use aes_gcm::aead::Aead;
use aes_gcm::{KeyInit, Nonce};
use base64::engine::general_purpose;
use base64::Engine;
use chrono::{TimeDelta, TimeZone, Utc};
use ciborium::from_reader;
use log::error;
use std::collections::HashMap;
use std::fs::File;
use std::io::{Cursor, Read, Write};
use std::str;
use std::{env, fs};

use antimatter_api::apis::configuration::Configuration;
use antimatter_api::apis::{authentication_api, contexts_api, general_api};
use antimatter_api::models::set_data_policy_binding::DefaultAttachment;
use antimatter_api::models::{
    self, FactExpression, FactExpressionArgumentsInner, NewFactTypeDefinition,
    NewFactTypeDefinitionArgumentsInner,
};
use antimatter_api::models::{
    AddReadContext, AddWriteContext, CreatePeerDomain, DataPolicyClause, DataPolicyRuleChanges,
    DataPolicyRuleEffect, DomainAuthenticate, NewDataPolicy, NewDataPolicyRule, NewDomain,
    ReadContextParameter, ReadContextRequiredHook, SetDataPolicyBinding,
    SetDataPolicyBindingReadContextsInner, TagExpression, WriteContextConfigInfo,
    WriteContextConfigInfoRequiredHooksInner,
};

use antimatter::capsule::common::{CapsuleTag, CellReader, Column, RowReader, SpanTag, TagType};
use antimatter::session::RUNTIME;

use antimatter::session::session::{
    recover_capsule, DomainIdentityToken, EncapsulateConfig, Session, SessionConf,
};

use antimatter::session::api_helper::domains;
use p256::elliptic_curve::sec1::ToEncodedPoint;
use p256::{FieldBytes, PublicKey, Scalar, SecretKey};
use rand::{Rng, RngCore};
use sha3::{Digest, Sha3_256};
use url::Url;

const ANTIMATTER_TEST_ADDRESS: &str = "test@antimatter.io";

const API_TARGET_VERSION: &str = "v2";

struct ScopeCall<F: FnOnce()> {
    c: Option<F>,
}
impl<F: FnOnce()> Drop for ScopeCall<F> {
    fn drop(&mut self) {
        self.c.take().unwrap()()
    }
}

macro_rules! expr {
    ($e: expr) => {
        $e
    };
} // tt hack
macro_rules! defer {
    ($($data: tt)*) => (
        let _scope_call = ScopeCall {
            c: Some(|| -> () { expr!({ $($data)* }) })
        };
    )
}

fn antimatter_api_url() -> String {
    env::var("ANTIMATTER_TEST_API_URL")
        .unwrap_or_else(|_| "https://api.dev.antimatter.io".to_string())
}

// decrypting_function is an example function that is intended to mirror what the DR cards are expected to do.
fn decrypting_function(
    secret_key: &str,
) -> Box<dyn Fn(&Vec<u8>) -> Result<Vec<u8>, String> + Send> {
    let secret_bytes = hex::decode(secret_key).expect("Invalid hex string");
    let secret_array: [u8; 32] = match secret_bytes.try_into() {
        Ok(arr) => arr,
        Err(vec) => {
            panic!("Error: secret_bytes has wrong length: {}", vec.len());
        }
    };

    let secret_field_bytes = FieldBytes::from(secret_array);
    let sk = match SecretKey::from_bytes(&secret_field_bytes) {
        Ok(sk) => sk,
        Err(e) => {
            panic!("Error: failed to construct secret key: {}", e);
        }
    };
    let secret_scalar = Scalar::from(&sk);

    Box::new(move |token_bytes| {
        if token_bytes.len() < 33 + 12 {
            return Err("malformed token: token too short to contain key material".to_string());
        }
        let public_key = PublicKey::from_sec1_bytes(token_bytes[..33].as_ref())
            .map_err(|e| format!("failed to construct public key: {}", e))?;
        let public_affine_point = public_key.as_affine();
        let shared_point = *public_affine_point * secret_scalar;
        let combined_point = shared_point.to_encoded_point(false);
        let combined_bytes = combined_point.as_bytes();

        let mut hasher = Sha3_256::new();
        hasher.update(combined_bytes);
        let hash_result = hasher.finalize();
        let result = hash_result.as_slice();
        let cipher = aes_gcm::Aes256Gcm::new_from_slice(result)
            .map_err(|e| format!("decrypt to generate cipher: {}", e))?;
        let nonce = Nonce::default();

        let decoded_bytes = cipher
            .decrypt(&nonce, &token_bytes[33..])
            .map_err(|e| format!("decrypt failed: {}", e))?;
        Ok(decoded_bytes)
    })
}

#[test]
fn get_admin_url() {
    let (domain_id, api_key, _) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id.clone(), api_key).expect("failed to create session");

    let company_name = "some_name".to_string();
    let custom_lifetime = 900;
    let result = session
        .get_admin_url(&company_name, None, Some(custom_lifetime))
        .expect("failed to get admin URL");

    let url = Url::parse(&*result).unwrap();

    let mut base = format!("{}://{}", url.scheme(), url.host_str().unwrap());
    if let Some(port) = url.port() {
        base = format!("{}:{:?}", base, port);
    }
    assert_eq!(base, antimatter_api_url().replace("api", "app"));
    assert_eq!(url.path(), format!("/settings/{}/byok", domain_id));

    let query_pairs = url.query_pairs();
    let vendor = query_pairs
        .into_owned()
        .find(|(key, _)| key == "vendor")
        .map(|(_, value)| value)
        .unwrap_or_default();
    assert_eq!(vendor, company_name);
    let token = query_pairs
        .into_owned()
        .find(|(key, _)| key == "token")
        .map(|(_, value)| value)
        .unwrap_or_default();

    let base64_decoded_token = general_purpose::STANDARD.decode(&token).unwrap();
    let domain_identity_token: DomainIdentityToken =
        from_reader(&mut Cursor::new(base64_decoded_token)).unwrap();

    let ts_not_before = Utc
        .timestamp_opt(domain_identity_token.not_valid_before, 0)
        .unwrap();
    let ts_not_after = Utc
        .timestamp_opt(domain_identity_token.not_valid_after, 0)
        .unwrap();

    // We hack in 10 seconds to account tor drift, etc. THis is done by the server so we need to
    // mimic this here
    let adjusted_lifetime = (custom_lifetime + 10) as i64;

    // There can be a little variance here, so als long as it is in a range we pass:
    let ts_duration = ts_not_after - ts_not_before;
    let ts_lower_bound = ts_duration - TimeDelta::seconds(10);
    let ts_upper_bound = ts_duration + TimeDelta::seconds(10);
    if ts_lower_bound >= TimeDelta::seconds(adjusted_lifetime)
        && ts_upper_bound <= TimeDelta::seconds(adjusted_lifetime)
    {
        panic!(
            "time stamp is too different from expected. Wanted {}, got {}",
            TimeDelta::seconds(adjusted_lifetime),
            ts_duration
        )
    }
}

#[test]
fn get_admin_url_for_peer() {
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());
    let res = domains::create_domain("test@antimatter.io").expect("failed to create session");
    let mut session = res.0;

    session
        .new_peer_domain_link_all(
            Some(vec!["child".to_string()]),
            None,
            "child".to_string(),
            None,
            "childDisplay".to_string(),
        )
        .expect("failed to create peer");

    let company_name = "example".to_string();
    let nickname = "child".to_string();
    let custom_lifetime = 900;
    let result = session
        .get_admin_url(&company_name, Some(&nickname), Some(custom_lifetime))
        .expect("failed to get admin URL");

    let url = Url::parse(&*result).unwrap();

    let mut base = format!("{}://{}", url.scheme(), url.host_str().unwrap());
    if let Some(port) = url.port() {
        base = format!("{}:{:?}", base, port);
    }

    let domain_id = session
        .get_peer(None, Some("child"))
        .expect("failed to get peer domain ID")
        .id;

    assert_eq!(base, antimatter_api_url().replace("api", "app"));
    assert_eq!(url.path(), format!("/settings/{}/byok", domain_id));

    let query_pairs = url.query_pairs();
    let vendor = query_pairs
        .into_owned()
        .find(|(key, _)| key == "vendor")
        .map(|(_, value)| value)
        .unwrap_or_default();
    assert_eq!(vendor, company_name);
    let token = query_pairs
        .into_owned()
        .find(|(key, _)| key == "token")
        .map(|(_, value)| value)
        .unwrap_or_default();

    let base64_decoded_token = general_purpose::STANDARD.decode(&token).unwrap();
    let domain_identity_token: DomainIdentityToken =
        from_reader(&mut Cursor::new(base64_decoded_token)).unwrap();

    let ts_not_before = Utc
        .timestamp_opt(domain_identity_token.not_valid_before, 0)
        .unwrap();
    let ts_not_after = Utc
        .timestamp_opt(domain_identity_token.not_valid_after, 0)
        .unwrap();

    // We hack in 10 seconds to account tor drift, etc. THis is done by the server so we need to
    // mimic this here
    let adjusted_lifetime = (custom_lifetime + 10) as i64;

    // There can be a little variance here, so als long as it is in a range we pass:
    let ts_duration = ts_not_after - ts_not_before;
    let ts_lower_bound = ts_duration - TimeDelta::seconds(10);
    let ts_upper_bound = ts_duration + TimeDelta::seconds(10);
    if ts_lower_bound >= TimeDelta::seconds(adjusted_lifetime)
        && ts_upper_bound <= TimeDelta::seconds(adjusted_lifetime)
    {
        panic!(
            "time stamp is too different from expected. Wanted {}, got {}",
            TimeDelta::seconds(adjusted_lifetime),
            ts_duration
        )
    }
}

#[test]
fn test_serialize_session() {
    let (domain_id, api_key, _) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut temp_session = Session::new(domain_id, api_key).expect("failed to create session");

    // now serialize and deserialize
    let serialized = temp_session.to_serialized().unwrap();
    let (mut session, _) = Session::from_serialized(serialized).unwrap();

    // use the resulting session to encrypt and decrypt a capsule
    let input_data = vec![vec!["row0, col0: example data element".as_bytes().to_vec()]];
    let cell_readers = convert_to_readers(input_data.clone(), vec![vec![vec![]]])
        .expect("failed to generate data");
    let columns = vec![Column {
        name: "col0".to_string(),
        tags: vec![],
        skip_classification: false,
    }];
    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    // encapsulate the data
    let (mut reader, _meta) = session
        .encapsulate(columns, cell_readers, vec![], cfg)
        .expect("failed to encapsulate");
    let mut capsule_data: Vec<u8> = Vec::new();
    reader
        .read_to_end(&mut capsule_data)
        .expect("failed to read capsule data");
    // reader seems to be linked to the session so if we don't drop it, we get
    // Err: cannot borrow `session` as mutable more than once at a time
    drop(reader);

    // open the sealed capsule
    let writer = Cursor::new(capsule_data);
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");

    assert_eq!(input_data, output_data)
}
#[test]
fn test_recover_old_capsule() {
    // A small test to ensure that we can recover capsule that have a more verbose DR token.
    let expected_data = vec![vec!["hello".as_bytes().to_vec()]];
    let key = "4fc8f6d72999e72198ef5ec69fffbeadee60e4f4635578b48a8fc1c6d5e059c6";

    // Validate that the capsule created using the old encoding of DR header works
    let capsule_old = general_purpose::STANDARD
        .decode(
            "gogY+RjYGIQYUxiQGMkCGGgDg0mYQ7ce5/d+40AbAAABkTEOWNP0hVhQgtnkoYMHAqBYRoxnRyHUPeNyjNRs\
        lAsFuRBMH4lbLUx4M5aTcAkY36A2AlPpE/GJOK5tEUo/NynkSg8aL9wrS1mhqMyYewYEN5gfhBtgo9UASZhDtx7n937\
        jQFEVnS2mIiepXlaCE1xJbZuJMJhbAhgjGDAY2AwYLxi6GEoYGhiYGM4YURjVGOIYIBhwGBkYXhg1GG8YnBhMGIMY9g\
        oYgRgkGIQYqxigGD0YwRjZGHQY9Rg8GIcYjRiYGPYYsRiNGJkY/hcYGBiuGDgIGJkYfBhzGPUYfRgyGBgYLhinGNcYT\
        Bh3GLcY3RjzGEsYdxiTGHUY3BiQGH4YfRhgFBjTGOsYlhhIGJAYXRgtGD0YfBg6GO8YVBjBGCQFGIgY7RcAAAAAAAAA\
        AAAAAAAAAACFOkm+o2hBBPdQzks2DgXEPHv02970PiIAAAAAAAAAAAAAAAAAAAEkOZHhISWIuGdHAo4mWDW+g+oV1L8\
        iAGGxBRrQ+v0L+hECEgAAAAAAAAAAAAAAAAAAAnIxAPDBZdoXGrdc6iLa7D321QAAAAD/AA==",
        )
        .unwrap();
    let writer = Cursor::new(capsule_old);
    let decrypting_fn = decrypting_function(key);
    let mut iterator =
        recover_capsule(writer, decrypting_fn).expect("failed to open capsule with DR key");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(expected_data, output_data);

    // Validate that the capsule created using the new encoding of DR header works
    let capsule_new = general_purpose::STANDARD
        .decode(
            "gogY+RjYGIQYUxiQGMkCGGgDg0lGIl4DQSF2YgAbAAABkTEaxXr0hVhQgtnkoYMHAqBYRvSdI9EdUuCdApRa\
        KKIS9OXeRThrSNfaQQ0I00ZOACwWV0vyzI0y9GiQGphqQYBYvQd9r+EdMd1ACHS7UtjFQ56rSw7quRoASUYiXgNBIXZ\
        iAFEbCwepOdghujbdGioW8saycFhbAh0k8rn68euFMnt+SzuNhEmV061of+3jZWPEDBJtzmTrTY1GfZx4Mgn3wyTG+i\
        dez/NYosvEvuvwrWpA10h27lYDdHvfNLejhrpSk6WQ6qEmYdR1K3wy2AIHKBcAAAAAAAAAAAAAAAAAAADCog4DJo+zg\
        eLaI/IUIohM1NjZHD9WQSIAAAAAAAAAAAAAAAAAAAFDh44TH3yaV5U4qXlB93qxSNSAmnEsDG4VGwbheFslBsH1EgAA\
        AAAAAAAAAAAAAAAAAmaLZHkXDN6rf5cI5Y0VT+BKeQAAAAD/AA==",
        )
        .unwrap();

    let writer = Cursor::new(capsule_new);
    let decrypting_fn = decrypting_function(key);
    let mut iterator =
        recover_capsule(writer, decrypting_fn).expect("failed to open capsule with DR key");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(expected_data, output_data);
}

#[test]
fn test_create_capsule() {
    let (domain_id, api_key, _) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id, api_key).expect("failed to create session");

    let input_data = vec![vec!["row0, col0: example data element".as_bytes().to_vec()]];

    let cell_readers = convert_to_readers(input_data.clone(), vec![vec![vec![]]])
        .expect("failed to generate data");

    let columns = vec![Column {
        name: "col0".to_string(),
        tags: vec![],
        skip_classification: false,
    }];

    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    // encapsulate the data
    let (mut reader, _meta) = session
        .encapsulate(columns, cell_readers, vec![], cfg)
        .expect("failed to encapsulate");
    let mut capsule_data: Vec<u8> = Vec::new();
    reader
        .read_to_end(&mut capsule_data)
        .expect("failed to read capsule data");
    // reader seems to be linked to the session so if we don't drop it, we get
    // Err: cannot borrow `session` as mutable more than once at a time
    drop(reader);

    // Check the error returned if we failed to open a capsule
    let writer = Cursor::new(capsule_data.clone());
    match session.open("unknown", HashMap::new(), HashMap::new(), writer) {
        Ok(_) => panic!("expected an error, got a result"),
        Err(e) => assert_eq!(
            e.to_string().starts_with(
                "Error: failed to open capsule: APIError: open request failed (404 Not Found):"
            ),
            true
        ),
    }

    // open the sealed capsule
    let writer = Cursor::new(capsule_data);
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");

    assert_eq!(input_data, output_data)
}

#[test]
fn test_create_large_capsule() {
    let (domain_id, api_key, _) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id, api_key).expect("failed to create session");

    // Make a large data source such that:
    // - data.len % classifier_chunk_size < classifier_overlap
    // - data.len % classifier_chunk_size > 0
    let data = ("AB".repeat(16 * 1024 * 2) + "additional data")
        .as_bytes()
        .to_vec();

    let input_data = vec![vec![data]];

    let cell_readers = convert_to_readers(input_data.clone(), vec![vec![vec![]]])
        .expect("failed to generate data");

    let columns = vec![Column {
        name: "col0".to_string(),
        tags: vec![],
        skip_classification: false,
    }];

    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    // encapsulate the data
    let (capsule_data, _meta) = session
        .encapsulate_to_bytes(columns, cell_readers, vec![], cfg)
        .expect("failed to encapsulate");

    // open the sealed capsule
    let writer = Cursor::new(capsule_data);
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");

    assert_eq!(input_data, output_data)
}

#[test]
fn test_create_capsule_and_update() {
    let (domain_id, api_key, _) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id.clone(), api_key).expect("failed to create session");

    let input_data = vec![vec!["row0, col0: example data element".as_bytes().to_vec()]];

    let cell_readers = convert_to_readers(input_data.clone(), vec![vec![vec![]]])
        .expect("failed to generate data");

    let columns = vec![Column {
        name: "col0".to_string(),
        tags: vec![],
        skip_classification: false,
    }];

    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    // encapsulate the data
    let mut file = File::create("/tmp/example.cap").expect("failed to create a file");
    defer!({
        fs::remove_file("/tmp/example.cap").expect("failed to remove file");
    });
    let mut cap = session
        .new_capsule(columns, vec![], cfg, &mut file)
        .expect("failed to create streaming capsule");

    cap.add_rows(cell_readers).expect("failed to add data");
    cap.finalize().expect("failed to finalize");
    drop(cap);
    file.flush().expect("failed to flush file");

    // open the sealed capsule
    let file = File::open("/tmp/example.cap").expect("failed to open file");
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), file)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");

    assert_eq!(input_data, output_data)
}
#[test]
fn test_create_capsule_with_dr() {
    let (domain_id, api_key, config) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());
    let mut session =
        Session::new(domain_id.clone(), api_key.clone()).expect("failed to create session");

    // secret_key is hex encoded, public key is base64 encoded
    // TODO: we props want to improve how keys are added. right now we rely on them being encoded correctly
    let secret_key = "4fc8f6d72999e72198ef5ec69fffbeadee60e4f4635578b48a8fc1c6d5e059c6";
    let public_key = "2eShgwgBWCEDPXAv9x4R081qWJlnEBeQw5ejPH5kuPYosKDQhYO/EVE=";
    enable_disaster_recovery(&config, &domain_id.clone(), public_key);

    let dr_settings = RUNTIME
        .block_on(general_api::domain_get_disaster_recovery_settings(
            &config,
            &domain_id.clone(),
        ))
        .expect("failed to enable disaster recovery");
    assert_eq!(dr_settings.clone().enable.is_some(), true);
    assert_eq!(dr_settings.clone().enable.unwrap(), true);

    let input_data = vec![vec!["row0, col0: example data element".as_bytes().to_vec()]];

    let cell_readers = convert_to_readers(input_data.clone(), vec![vec![vec![]]])
        .expect("failed to generate data");

    let columns = vec![Column {
        name: "col0".to_string(),
        tags: vec![],
        skip_classification: false,
    }];

    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    // encapsulate the data
    let (mut reader, _meta) = session
        .encapsulate(columns, cell_readers, vec![], cfg)
        .expect("failed to encapsulate");
    let mut capsule_data: Vec<u8> = Vec::new();
    reader
        .read_to_end(&mut capsule_data)
        .expect("failed to read capsule data");
    drop(reader);

    // open the sealed capsule
    let writer = Cursor::new(capsule_data.clone());
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(input_data, output_data);

    // open the sealed capsule using the DR key
    let writer = Cursor::new(capsule_data);
    let decrypting_fn = decrypting_function(secret_key);
    let mut iterator =
        recover_capsule(writer, decrypting_fn).expect("failed to open capsule with DR key");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(input_data, output_data)
}

#[test]
fn test_create_capsule_with_redaction() {
    let (domain_id, api_key, config) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id.clone(), api_key).expect("failed to create session");

    add_write_ctx(
        &config,
        &domain_id.clone().to_string(),
        &"test_ctx".to_string(),
    );
    add_read_ctx(
        &config,
        &domain_id.clone().to_string(),
        &"test_ctx".to_string(),
    );
    add_redaction_rule(&mut session, &"test_ctx".to_string());

    let input_data = vec![vec![
        "User: John Smith".as_bytes().to_vec(),
        "Access: Basic".as_bytes().to_vec(),
    ]];

    let cell_readers = convert_to_readers(input_data.clone(), vec![vec![vec![], vec![]]])
        .expect("failed to generate data");

    let columns = vec![
        Column {
            name: "col0".to_string(),
            tags: vec![],
            skip_classification: false,
        },
        Column {
            name: "col1".to_string(),
            tags: vec![],
            skip_classification: false,
        },
    ];

    let cfg = EncapsulateConfig {
        write_context_name: "test_ctx".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    // encapsulate the data
    let (mut reader, _meta) = session
        .encapsulate(columns, cell_readers, vec![], cfg)
        .expect("failed to encapsulate");
    let mut capsule_data: Vec<u8> = Vec::new();
    reader
        .read_to_end(&mut capsule_data)
        .expect("failed to read capsule data");
    // reader seems to be linked to the session so if we don't drop it, we get
    // Err: cannot borrow `session` as mutable more than once at a time
    drop(reader);

    // open the sealed capsule
    let writer = Cursor::new(capsule_data);
    let mut iterator = session
        .open("test_ctx", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");

    let expected_output = vec![vec![
        "User: John {redacted}".as_bytes().to_vec(),
        "Access: Basic".as_bytes().to_vec(),
    ]];

    assert_eq!(output_data, expected_output)
}

#[test]
fn test_create_large_capsule_with_redaction() {
    let (domain_id, api_key, config) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());
    let mut session =
        Session::new(domain_id.clone(), api_key.clone()).expect("failed to create session");

    add_write_ctx(
        &config,
        &domain_id.clone().to_string(),
        &"test_ctx".to_string(),
    );
    add_read_ctx(
        &config,
        &domain_id.clone().to_string(),
        &"test_ctx".to_string(),
    );
    add_redaction_rule(&mut session, &"test_ctx".to_string());

    // Make a large data source such that:
    // - data.len % classifier_chunk_size < classifier_overlap
    // - data.len % classifier_chunk_size > 0
    let base_data = "..".repeat(16 * 1024 * 2);
    let data = (base_data.clone() + " John Smith").as_bytes().to_vec();
    let input_data = vec![vec![data, "Access: Basic".as_bytes().to_vec()]];

    let cell_readers = convert_to_readers(input_data.clone(), vec![vec![vec![], vec![]]])
        .expect("failed to generate data");

    let columns = vec![
        Column {
            name: "col0".to_string(),
            tags: vec![],
            skip_classification: false,
        },
        Column {
            name: "col1".to_string(),
            tags: vec![],
            skip_classification: false,
        },
    ];

    let cfg = EncapsulateConfig {
        write_context_name: "test_ctx".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    // encapsulate the data
    let (mut reader, _meta) = session
        .encapsulate(columns, cell_readers, vec![], cfg)
        .expect("failed to encapsulate");
    let mut capsule_data: Vec<u8> = Vec::new();
    reader
        .read_to_end(&mut capsule_data)
        .expect("failed to read capsule data");
    // reader seems to be linked to the session so if we don't drop it, we get
    // Err: cannot borrow `session` as mutable more than once at a time
    drop(reader);

    // open the sealed capsule
    let writer = Cursor::new(capsule_data);
    let mut iterator = session
        .open("test_ctx", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");

    let expected_output = vec![vec![
        (base_data + " {redacted}").as_bytes().to_vec(),
        "Access: Basic".as_bytes().to_vec(),
    ]];

    assert_eq!(output_data, expected_output)
}

#[test]
fn test_create_capsule_with_deny_record() {
    let (domain_id, api_key, config) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id.clone(), api_key).expect("failed to create session");

    add_write_ctx(
        &config,
        &domain_id.clone().to_string(),
        &"test_ctx".to_string(),
    );
    add_read_ctx(
        &config,
        &domain_id.clone().to_string(),
        &"test_ctx".to_string(),
    );

    let policy_id = session
        .create_data_policy(NewDataPolicy {
            name: "testpolicy1".to_string(),
            description: "test policy".to_string(),
        })
        .expect("failed to create data policy")
        .policy_id;

    let ft_name = "test_ft";

    let _ = session.add_fact_type(
        ft_name,
        NewFactTypeDefinition {
            arguments: vec![NewFactTypeDefinitionArgumentsInner {
                name: "example".to_string(),
                description: "example".to_string(),
            }],
            description: "test fact type".to_string(),
        },
    );

    session
        .update_data_policy_rules(
            policy_id.as_str(),
            DataPolicyRuleChanges {
                delete_rules: None,
                new_rules: Some(vec![
                    NewDataPolicyRule {
                        comment: None,
                        clauses: vec![DataPolicyClause {
                            operator: antimatter_api::models::data_policy_clause::Operator::AnyOf,
                            capabilities: None,
                            facts: Some(vec![FactExpression {
                                r#type: ft_name.to_string(),
                                operator: antimatter_api::models::fact_expression::Operator::NotExists,
                                arguments: vec![FactExpressionArgumentsInner{
                                    operator: antimatter_api::models::fact_expression_arguments_inner::Operator::Any,
                                    values: None
                                }],
                                variables: None,
                            }]),
                            read_parameters: None,
                            tags: None,
                        }],
                        effect: DataPolicyRuleEffect::DenyRecord,
                        token_scope: None,
                        token_format: None,
                        priority: Some(0),
                        assign_priority: None,
                    },
                ]),
            },
        )
        .expect("failed to add data policy rule");

    session.set_data_policy_binding(
        policy_id.as_str(),
        SetDataPolicyBinding{
            read_contexts: Some(vec![SetDataPolicyBindingReadContextsInner{
                name: "test_ctx".to_string(),
                configuration: antimatter_api::models::set_data_policy_binding_read_contexts_inner::Configuration::Attached,
            }]),
            default_attachment: antimatter_api::models::set_data_policy_binding::DefaultAttachment::Attached,
        },
    ).expect("failed to set data policy binding");

    let input_data = vec![vec![
        "data".as_bytes().to_vec(),
        "The name is Adam Smith".as_bytes().to_vec(),
    ]];

    let cell_readers = convert_to_readers(input_data.clone(), vec![vec![vec![], vec![]]])
        .expect("failed to generate data");

    let columns = vec![
        Column {
            name: "some".to_string(),
            tags: vec![],
            skip_classification: false,
        },
        Column {
            name: "name".to_string(),
            tags: vec![],
            skip_classification: false,
        },
    ];

    let cfg = EncapsulateConfig {
        write_context_name: "test_ctx".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    // encapsulate the data
    let (mut reader, _meta) = session
        .encapsulate(columns, cell_readers, vec![], cfg)
        .expect("failed to encapsulate");
    let mut capsule_data: Vec<u8> = Vec::new();
    reader
        .read_to_end(&mut capsule_data)
        .expect("failed to read capsule data");
    // reader seems to be linked to the session so if we don't drop it, we get
    // Err: cannot borrow `session` as mutable more than once at a time
    drop(reader);

    // open the sealed capsule
    let writer = Cursor::new(capsule_data);
    let mut iterator = session
        .open("test_ctx", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    println!("{:?}", output_data);

    let expected_output: Vec<Vec<Vec<u8>>> = vec![];

    assert_eq!(output_data, expected_output)
}

#[test]
fn test_create_capsule_generate_subdomains() {
    let (domain_id, api_key, config) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());
    let mut session =
        Session::new(domain_id.clone(), api_key.clone()).expect("failed to create session");

    let (id_a, key_a) = create_subdomain(domain_id.clone(), api_key.clone(), "tenant_a")
        .expect("failed to create subdomain");
    let (id_b, _) = create_subdomain(domain_id.clone(), api_key.clone(), "tenant_b")
        .expect("failed to create subdomain");
    let (_id_c, _) = create_subdomain(domain_id.clone(), api_key.clone(), "tenant_c")
        .expect("failed to create subdomain");

    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: Some("tenant".to_string()),
        create_subdomains: None,
        async_seal: false,
    };

    let columns = vec!["id", "tenant", "data1", "data2"]
        .into_iter()
        .map(|item| Column {
            name: item.to_string(),
            tags: vec![],
            skip_classification: false,
        })
        .collect();

    let tags = vec![
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
        vec![vec![], vec![], vec![], vec![]],
    ];

    let expected_data: Vec<Vec<Vec<u8>>> = vec![
        vec!["0", "tenant_a", "foo", "bar"],
        vec!["1", "tenant_a", "foo", "bar"],
        vec!["2", "tenant_b", "foo", "bar"],
        vec!["3", "tenant_a", "foo", "bar"],
        vec!["4", "tenant_b", "foo", "bar"],
        vec!["5", "tenant_b", "foo", "bar"],
        vec!["6", "tenant_a", "foo", "bar"],
        vec!["7", "tenant_b", "foo", "bar"],
        vec!["8", "tenant_b", "foo", "bar"],
        vec!["9", "tenant_c", "foo", "bar"],
    ]
    .into_iter()
    .map(|row| {
        row.into_iter()
            .map(|item| item.as_bytes().to_vec())
            .collect()
    })
    .collect();

    let tenant_a_data: Vec<Vec<Vec<u8>>> = vec![
        vec!["0", "tenant_a", "foo", "bar"],
        vec!["1", "tenant_a", "foo", "bar"],
        vec!["3", "tenant_a", "foo", "bar"],
        vec!["6", "tenant_a", "foo", "bar"],
    ]
    .into_iter()
    .map(|row| {
        row.into_iter()
            .map(|item| item.as_bytes().to_vec())
            .collect()
    })
    .collect();

    let expected_continue_data: Vec<Vec<Vec<u8>>> = vec![
        vec!["3", "tenant_a", "foo", "bar"],
        vec!["4", "tenant_b", "foo", "bar"],
        vec!["5", "tenant_b", "foo", "bar"],
        vec!["6", "tenant_a", "foo", "bar"],
        vec!["7", "tenant_b", "foo", "bar"],
        vec!["8", "tenant_b", "foo", "bar"],
        vec!["9", "tenant_c", "foo", "bar"],
    ]
    .into_iter()
    .map(|row| {
        row.into_iter()
            .map(|item| item.as_bytes().to_vec())
            .collect()
    })
    .collect();

    let data =
        convert_to_readers(expected_data.clone(), tags).expect("failed to convert to readers");

    // encapsulate the data
    let (mut reader, _meta) = session
        .encapsulate(columns, data, vec![], cfg)
        .expect("failed to encapsulate");
    let mut capsule_data: Vec<u8> = Vec::new();
    reader
        .read_to_end(&mut capsule_data)
        .expect("failed to read capsule data");
    // reader seems to be linked to the session so if we don't drop it, we get
    // Err: cannot borrow `session` as mutable more than once at a time
    drop(reader);

    // Check that interleaving is working. We expect one capsule per tenant, then one for metadata
    let capsules = session
        .list_capsules(None, None, None, None, None, None, None)
        .unwrap();
    assert_eq!(capsules.results.len(), 4);

    // open the sealed capsule
    let writer = Cursor::new(capsule_data.clone());
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(output_data, expected_data);

    // Next lets see if we can open the bundle as a subdomain
    let mut session_a =
        Session::new(id_a.clone(), key_a.clone()).expect("failed to create session");

    // open the sealed capsule
    let writer = Cursor::new(capsule_data.clone());
    let mut iterator = session_a
        .open("default", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(output_data, tenant_a_data);
    assert_eq!(iterator.open_failures().len(), 4);

    // Next let us try reading the bundle simulating an unreachable Cell with parent.
    // open the sealed capsule
    let writer = Cursor::new(capsule_data.clone());
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), writer)
        .expect("failed to open capsule");

    // Swap out the configured Cell address.
    session
        .set_configuration_defaults(Some("http://127.0.0.1:1337".parse().unwrap()), None, None)
        .expect("failed to reset session");
    session
        .set_use_direct_address(false)
        .expect("failed to set use direct address false");

    match iterator.read_all(&[]) {
        Ok((_, _)) => panic!("expected API error"),
        Err(e) => {}
    }

    // Emulate restoring connectivity and check we can continue reads from the
    // next capsule.
    session
        .set_use_direct_address(true)
        .expect("failed to set use direct address true");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(output_data, expected_continue_data);

    // now let us remove the peering with tenant_b and confirm we cannot open
    // the capsule. In the future we would like to still open the capsule and
    // just skip over shards belonging to tenant_b
    remove_peering(&config, &domain_id.to_string(), &id_b.to_string());
    let writer = Cursor::new(capsule_data);

    match session.open("default", HashMap::new(), HashMap::new(), writer) {
        Ok(_) => error!("open request should be rejected"),
        Err(_) => {}
    }
}

#[test]
fn test_create_capsule_multirow() {
    let (domain_id, api_key, _) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id, api_key).expect("failed to create session");
    let columns = vec![
        Column {
            name: "col0".to_string(),
            tags: vec![],
            skip_classification: false,
        },
        Column {
            name: "col1".to_string(),
            tags: vec![],
            skip_classification: false,
        },
    ];
    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };
    let mut file = File::create("/tmp/example_multirow.cap").expect("failed to create a file");
    defer!({
        fs::remove_file("/tmp/example_multirow.cap").expect("failed to remove file");
    });
    let mut cap = session
        .new_capsule(columns, vec![], cfg, &mut file)
        .expect("failed to create streaming capsule");

    let mut input_data = vec![vec![
        "row0, col0: example data element".as_bytes().to_vec(),
        "row0, col1: example data element".as_bytes().to_vec(),
    ]];
    let cell_readers = readers_no_tags(input_data.clone()).expect("failed to generate data");
    cap.add_rows(cell_readers).expect("failed to add rows");

    let new_rows = vec![
        vec![
            "row1, col0: example data element".as_bytes().to_vec(),
            "row1, col1: example data element".as_bytes().to_vec(),
        ],
        vec![
            "row2, col0: example data element".as_bytes().to_vec(),
            "row2, col1: example data element".as_bytes().to_vec(),
        ],
        vec![
            "row3, col0: example data element".as_bytes().to_vec(),
            "row3, col1: example data element".as_bytes().to_vec(),
        ],
    ];
    input_data.append(&mut new_rows.clone());
    let cell_readers = readers_no_tags(new_rows).expect("failed to generate data");
    cap.add_rows(cell_readers).expect("failed to add rows");

    let new_rows = vec![
        vec![
            "row4, col0: example data element".as_bytes().to_vec(),
            "row4, col1: example data element".as_bytes().to_vec(),
        ],
        vec![
            "row5, col0: example data element".as_bytes().to_vec(),
            "row5, col1: example data element".as_bytes().to_vec(),
        ],
    ];
    input_data.append(&mut new_rows.clone());
    let cell_readers = readers_no_tags(new_rows).expect("failed to generate data");
    cap.add_rows(cell_readers).expect("failed to add rows");

    cap.finalize().expect("failed to finalize");
    drop(cap);
    file.flush().expect("failed to flush file");

    // open the sealed capsule
    let file = File::open("/tmp/example_multirow.cap").expect("failed to open file");
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), file)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");

    assert_eq!(input_data, output_data)
}

#[test]
fn test_create_capsule_generate_subdomains_multirow() {
    let (domain_id, api_key, config) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());
    let mut session =
        Session::new(domain_id.clone(), api_key.clone()).expect("failed to create session");

    let (id_a, key_a) = create_subdomain(domain_id.clone(), api_key.clone(), "tenant_a")
        .expect("failed to create subdomain");
    let (id_b, _) = create_subdomain(domain_id.clone(), api_key.clone(), "tenant_b")
        .expect("failed to create subdomain");
    let (_id_c, _) = create_subdomain(domain_id.clone(), api_key.clone(), "tenant_c")
        .expect("failed to create subdomain");

    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: Some("tenant".to_string()),
        create_subdomains: None,
        async_seal: false,
    };

    let columns = vec!["id", "tenant", "data1", "data2"]
        .into_iter()
        .map(|item| Column {
            name: item.to_string(),
            tags: vec![],
            skip_classification: false,
        })
        .collect();

    let mut file =
        File::create("/tmp/example_subdomains_multirow.cap").expect("failed to create a file");
    defer!({
        fs::remove_file("/tmp/example_subdomains_multirow.cap").expect("failed to remove file");
    });
    let mut cap = session
        .new_capsule(columns, vec![], cfg, &mut file)
        .expect("failed to create streaming capsule");

    let mut input_data: Vec<Vec<Vec<u8>>> = vec![
        vec!["0", "tenant_a", "foo", "bar"],
        vec!["1", "tenant_a", "foo", "bar"],
    ]
    .into_iter()
    .map(|row| {
        row.into_iter()
            .map(|item| item.as_bytes().to_vec())
            .collect()
    })
    .collect();
    let cell_readers = readers_no_tags(input_data.clone()).expect("failed to generate data");
    cap.add_rows(cell_readers).expect("failed to add rows");

    let new_rows: Vec<Vec<Vec<u8>>> = vec![
        vec!["2", "tenant_b", "foo", "bar"],
        vec!["3", "tenant_a", "foo", "bar"],
        vec!["4", "tenant_b", "foo", "bar"],
    ]
    .into_iter()
    .map(|row| {
        row.into_iter()
            .map(|item| item.as_bytes().to_vec())
            .collect()
    })
    .collect();
    input_data.append(&mut new_rows.clone());
    let cell_readers = readers_no_tags(new_rows).expect("failed to generate data");
    cap.add_rows(cell_readers).expect("failed to add rows");

    let new_rows: Vec<Vec<Vec<u8>>> = vec![
        vec!["5", "tenant_b", "foo", "bar"],
        vec!["6", "tenant_a", "foo", "bar"],
        vec!["7", "tenant_b", "foo", "bar"],
        vec!["8", "tenant_b", "foo", "bar"],
        vec!["9", "tenant_c", "foo", "bar"],
    ]
    .into_iter()
    .map(|row| {
        row.into_iter()
            .map(|item| item.as_bytes().to_vec())
            .collect()
    })
    .collect();
    input_data.append(&mut new_rows.clone());
    let cell_readers = readers_no_tags(new_rows).expect("failed to generate data");
    cap.add_rows(cell_readers).expect("failed to add rows");
    cap.finalize().expect("failed to finalize");
    drop(cap);

    // Check that interleaving is working. We expect one capsule per tenant, then one for metadata
    let capsules = session
        .list_capsules(None, None, None, None, None, None, None)
        .unwrap();
    assert_eq!(capsules.results.len(), 4);

    // open the sealed capsule
    let file = File::open("/tmp/example_subdomains_multirow.cap").expect("failed to open file");
    let mut iterator = session
        .open("default", HashMap::new(), HashMap::new(), file)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(output_data, input_data);

    // Check the error returned if we failed to open a bundle
    let file = File::open("/tmp/example_subdomains_multirow.cap").expect("failed to open file");
    match session.open("unknown", HashMap::new(), HashMap::new(), file) {
        Ok(_) => panic!("expected an error, got a result"),
        Err(e) => assert_eq!(
            e.to_string().starts_with(
                "Error: failed to open capsule: APIError: open request failed (404 Not Found):"
            ),
            true
        ),
    }

    // Next lets see if we can open the bundle as a subdomain
    let mut session_a =
        Session::new(id_a.clone(), key_a.clone()).expect("failed to create session");

    // open the sealed capsule but only for tenant_a
    let tenant_a_data: Vec<Vec<Vec<u8>>> = vec![
        vec!["0", "tenant_a", "foo", "bar"],
        vec!["1", "tenant_a", "foo", "bar"],
        vec!["3", "tenant_a", "foo", "bar"],
        vec!["6", "tenant_a", "foo", "bar"],
    ]
    .into_iter()
    .map(|row| {
        row.into_iter()
            .map(|item| item.as_bytes().to_vec())
            .collect()
    })
    .collect();
    let file = File::open("/tmp/example_subdomains_multirow.cap").expect("failed to openfile");
    let mut iterator = session_a
        .open("default", HashMap::new(), HashMap::new(), file)
        .expect("failed to open capsule");
    let (_tags, output_data) = iterator.read_all(&[]).expect("failed to read all");
    assert_eq!(output_data, tenant_a_data);

    // there will be 5 failures as we process every add_rows each time its called.
    // So even though there are subsequent rows to the same tenant, they were added
    // on different 'add_rows' calls, so were encapsulated separately. We should
    // consider an optimisation of maybe only doing the encapsulate after a known
    // number of rows are given, but we have no knowledge on the size of the sells
    // which makes this complicated.
    assert_eq!(iterator.open_failures().len(), 5);

    // now let us remove the peering with tenant_b and confirm we cannot open
    // the capsule. In the future we would like to still open the capsule and
    // just skip over shards belonging to tenant_b
    remove_peering(&config, &domain_id.to_string(), &id_b.to_string());
    let file = File::open("/tmp/example_subdomains_multirow.cap").expect("failed to open file");
    match session.open("default", HashMap::new(), HashMap::new(), file) {
        Ok(_) => error!("open request should be rejected"),
        Err(_) => {}
    }
}

#[test]
fn test_base_address() {
    let (domain_id, api_key, _config) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let name = "company".to_string();
    let mut conf = SessionConf {
        domain_id: domain_id.clone(),
        bearer_access_token: None,
        api_key: Some(api_key.clone()),
        read_cache_size: 0,
        engine_cache_size: 0,
        write_cache_size: 0,
        subdomain_cache_size: 0,
        buffered_seal: 0,
        buffered_seal_enabled: false,
        use_direct_address: false,
        current_base_path: None,
        act_for_domain: None,
    };

    // Create a session that won't use the cell direct address if available
    let (mut session, _) = Session::from_config(conf.clone()).expect("failed to create session");
    session
        .get_admin_url(&name, None, None)
        .expect("failed to construct an admin URL");
    let serialised = session.to_serialized().expect("failed to serialise");
    let indirect_conf: SessionConf = from_reader(&mut Cursor::new(&serialised)).unwrap();

    conf.use_direct_address = true;
    // Create a session that will use the cell direct address if available
    let (mut session, _) = Session::from_config(conf).expect("failed to create session");
    session
        .get_admin_url(&name, None, None)
        .expect("failed to construct an admin URL");
    let serialised = session.to_serialized().expect("failed to serialise");
    let direct_conf: SessionConf = from_reader(&mut Cursor::new(&serialised)).unwrap();

    // validate that the new base addresses are different. One should be global and one should be cell
    let indirect_base_path = indirect_conf.current_base_path.expect("no base path");
    let direct_base_path = direct_conf.current_base_path.expect("no base path");
    assert_ne!(indirect_base_path, direct_base_path);
}

#[test]
fn test_row_tags() {
    let (domain_id, api_key, _config) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let cfg = EncapsulateConfig {
        write_context_name: "default".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: None,
        create_subdomains: None,
        async_seal: false,
    };

    let mut session =
        Session::new(domain_id.clone(), api_key.clone()).expect("failed to create session");

    let mut columns = Vec::new();
    let mut rng = rand::thread_rng();
    let mut rows: Vec<RowReader> = Vec::new();
    for i in 0..4 {
        columns.push(Column {
            name: format!("col {}", i),
            tags: vec![],
            skip_classification: false,
        })
    }
    // add 5 rows to the table
    for row in 0..5 {
        let mut row_data = RowReader {
            cells: vec![],
            tags: vec![CapsuleTag {
                name: format!("row_tag_{}", row),
                tag_type: TagType::Unary,
                value: format!("{}", row),
                source: "".to_string(),
                hook_version: (0, 0, 0),
            }],
        };
        for _ in 0..4 {
            // ass variance to the cell size so it may span multiple chunks.
            // We want to confirm we only get one row tag even if there are
            // multiple cells and chunks.
            let mut data = vec![0; rng.gen_range(10000..100000)];
            rng.fill_bytes(&mut data);
            row_data.cells.push(CellReader {
                data: Box::new(Cursor::new(data)),
                tags: vec![],
            });
        }
        rows.push(row_data)
    }

    let (_, meta) = session
        .encapsulate_to_bytes(columns, rows, vec![], cfg)
        .expect("failed to create capsule");
    assert_eq!(meta.capsule_ids.len(), 1);
    let info = session
        .get_capsule_info(meta.capsule_ids[0].as_str())
        .expect("failed to fetch info");

    for (idx, tag) in info.capsule_tags.iter().enumerate() {
        assert_eq!(format!("row_tag_{}", idx), tag.name);
    }
}

fn create_domain(email: &str) -> Result<(String, String, Configuration), String> {
    let mut config = Configuration {
        base_path: format!("{}/{}", antimatter_api_url(), API_TARGET_VERSION),
        user_agent: None,
        client: antimatter::session::http_client::HTTPClient::new()
            .expect("failed to create HTTP client")
            .client(),
        basic_auth: None,
        oauth_access_token: None,
        bearer_access_token: Some("TODO".to_string()),
        api_key: None,
    };

    let response = RUNTIME
        .block_on(general_api::domain_add_new(
            &config,
            NewDomain {
                admin_email: email.to_string(),
                google_jwt: None,
                display_name: None,
            },
        ))
        .map_err(|e| format!("Failed to create domain: {}", e))?;

    let auth = RUNTIME
        .block_on(authentication_api::domain_authenticate(
            &config,
            response.id.clone().as_str(),
            DomainAuthenticate {
                token: response.api_key.clone(),
            },
            None,
            None,
            None,
        ))
        .expect("failed to auth parent");
    config.bearer_access_token = Some(auth.token);
    Ok((response.id, response.api_key, config))
}

fn create_subdomain(
    parent: String,
    parent_key: String,
    nickname: &str,
) -> Result<(String, String), String> {
    let mut config = Configuration {
        base_path: format!("{}/{}", antimatter_api_url(), API_TARGET_VERSION),
        user_agent: None,
        client: antimatter::session::http_client::HTTPClient::new()
            .expect("failed to create HTTP client")
            .client(),
        basic_auth: None,
        oauth_access_token: None,
        bearer_access_token: Some("TODO".to_string()),
        api_key: None,
    };

    let auth = RUNTIME
        .block_on(authentication_api::domain_authenticate(
            &config,
            parent.as_str(),
            DomainAuthenticate { token: parent_key },
            None,
            None,
            None,
        ))
        .expect("failed to auth parent");
    config.bearer_access_token = Some(auth.token);
    let req = CreatePeerDomain {
        nicknames: Some(vec![nickname.to_string()]),
        import_alias_for_parent: None,
        import_alias_for_child: nickname.to_string(),
        display_name_for_parent: None,
        display_name_for_child: nickname.to_string(),
        link_all: Some(true),
        link_identity_providers: None,
        link_facts: None,
        link_read_contexts: None,
        link_write_contexts: None,
        link_capabilities: None,
        link_domain_policy: None,
        link_root_encryption_keys: None,
        link_capsule_access_log: None,
        link_control_log: None,
        link_capsule_manifest: None,
        link_data_policy: None,
    };
    let response = RUNTIME
        .block_on(general_api::domain_add_peer_domain(
            &config,
            parent.as_str(),
            req,
        ))
        .map_err(|e| format!("Failed to create peered domain: {}", e))?;
    Ok((response.id, response.api_key))
}

fn readers_no_tags(elements: Vec<Vec<Vec<u8>>>) -> Result<Vec<RowReader>, String> {
    let mut tags: Vec<Vec<Vec<SpanTag>>> = Vec::new();
    for row in &elements {
        let mut tag_row: Vec<Vec<SpanTag>> = Vec::new();
        for _ in row {
            tag_row.push(vec![]);
        }
        tags.push(tag_row);
    }
    convert_to_readers(elements, tags)
}
fn convert_to_readers(
    elements: Vec<Vec<Vec<u8>>>,
    tags: Vec<Vec<Vec<SpanTag>>>,
) -> Result<Vec<RowReader>, String> {
    if elements.is_empty() {
        return Ok(Vec::new());
    }

    let col_count = elements[0].len();
    // Validate column consistency.
    if elements.iter().any(|row| row.len() != col_count) {
        return Err("column length inconsistency".to_string());
    }

    let rows = elements
        .clone()
        .into_iter()
        .zip(tags.into_iter())
        .map(|(row, tags)| {
            let mapped = row
                .clone()
                .into_iter()
                .zip(tags.clone().into_iter())
                .map(|(item_a, item_b)| to_data_element(item_a, item_b))
                .collect::<Result<Vec<CellReader>, String>>()
                .unwrap();
            RowReader {
                tags: vec![],
                cells: mapped,
            }
        })
        .collect::<Vec<RowReader>>();
    Ok(rows)
}
fn to_data_element(element: Vec<u8>, tags: Vec<SpanTag>) -> Result<CellReader, String> {
    CellReader::new(tags, std::io::Cursor::new(element.clone()))
        .map_err(|e| format!("failed to create reader for element: {}", e))
}

fn add_write_ctx(config: &Configuration, domain: &String, write_ctx: &String) {
    let request_config = models::AddWriteContext {
        summary: "".to_string(),
        description: "".to_string(),
        config: Box::new(models::WriteContextConfigInfo {
            key_reuse_ttl: Some(0),
            default_capsule_tags: None,
            required_hooks: vec![models::WriteContextConfigInfoRequiredHooksInner {
                hook: "fast-pii".to_string(),
                constraint: ">1.0.0".to_string(),
                mode: Default::default(),
            }],
        }),
    };
    RUNTIME
        .block_on(contexts_api::domain_upsert_write_context(
            &config,
            domain,
            write_ctx,
            request_config,
        ))
        .expect("failed to create write context");
}

fn remove_peering(config: &Configuration, domain: &String, peer: &String) {
    RUNTIME
        .block_on(general_api::domain_delete_peer(config, peer, domain))
        .expect("failed to delete peer");
    RUNTIME
        .block_on(general_api::domain_delete_peer(config, domain, peer))
        .expect("failed to delete peer");
}

fn add_redaction_rule(session: &mut Session, read_ctx: &String) {
    let policy_id = session
        .create_data_policy(NewDataPolicy {
            name: "testpolicy1".to_string(),
            description: "test policy".to_string(),
        })
        .expect("failed to create data policy")
        .policy_id;

    session
        .update_data_policy_rules(
            policy_id.as_str(),
            DataPolicyRuleChanges {
                delete_rules: None,
                new_rules: Some(vec![
                    NewDataPolicyRule {
                        comment: None,
                        clauses: vec![DataPolicyClause {
                            operator: antimatter_api::models::data_policy_clause::Operator::AnyOf,
                            capabilities: None,
                            facts: None,
                            read_parameters: None,
                            tags: Some(vec![TagExpression {
                                name: "tag.antimatter.io/pii/name".to_string(),
                                values: None,
                                operator: antimatter_api::models::tag_expression::Operator::Exists,
                                variables: None,
                            }]),
                        }],
                        effect: DataPolicyRuleEffect::Redact,
                        token_scope: None,
                        token_format: None,
                        priority: Some(0),
                        assign_priority: None,
                    },
                    NewDataPolicyRule {
                        comment: None,
                        clauses: vec![DataPolicyClause {
                            operator: antimatter_api::models::data_policy_clause::Operator::AnyOf,
                            capabilities: None,
                            facts: None,
                            read_parameters: None,
                            tags: Some(vec![TagExpression {
                                name: "tag.antimatter.io/pii/sin".to_string(),
                                values: None,
                                operator: antimatter_api::models::tag_expression::Operator::Exists,
                                variables: None,
                            }]),
                        }],
                        effect: DataPolicyRuleEffect::Allow,
                        token_scope: None,
                        token_format: None,
                        priority: Some(0),
                        assign_priority: None,
                    },
                ]),
            },
        )
        .expect("failed to add data policy rule");

    session.set_data_policy_binding(
        policy_id.as_str(),
        SetDataPolicyBinding{
            read_contexts: Some(vec![SetDataPolicyBindingReadContextsInner{
                name: read_ctx.to_string(),
                configuration: antimatter_api::models::set_data_policy_binding_read_contexts_inner::Configuration::Attached,
            }]),
            default_attachment: antimatter_api::models::set_data_policy_binding::DefaultAttachment::Attached,
        },
    ).expect("failed to set data policy binding");
}
fn add_read_ctx(config: &Configuration, domain: &str, read_ctx: &str) {
    let request_config = models::AddReadContext {
        summary: "example".to_string(),
        description: "example read context for testing".to_string(),
        disable_read_logging: None,
        key_cache_ttl: None,
        required_hooks: Some(vec![models::ReadContextRequiredHook {
            hook: "fast-pii".to_string(),
            constraint: ">1.0.0".to_string(),
            write_context: None,
        }]),
        read_parameters: None,
    };
    RUNTIME
        .block_on(contexts_api::domain_upsert_read_context(
            &config,
            domain,
            read_ctx,
            request_config,
        ))
        .expect("failed to create read context");
}

fn enable_disaster_recovery(config: &Configuration, domain: &str, secret_key: &str) {
    RUNTIME
        .block_on(general_api::domain_put_disaster_recovery_settings(
            &config,
            domain,
            models::DisasterRecoverySettings {
                enable: Some(true),
                public_key: Some(secret_key.to_string()),
            },
        ))
        .expect("failed to enable disaster recovery");
}

#[test]
fn test_classify_and_redact() {
    let (domain_id, api_key, _) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id, api_key).expect("failed to create session");

    session
        .classify_and_redact(
            vec![Column {
                name: "col0".to_string(),
                tags: vec![],
                skip_classification: false,
            }],
            vec![RowReader {
                cells: vec![
                    CellReader::new(vec![], std::io::Cursor::new("test".to_string()))
                        .expect("failed to create CellReader"),
                ],
                tags: vec![],
            }],
            vec![],
            "default".to_string(),
            "default",
            HashMap::new(),
        )
        .expect("classify_and_redact returned an error")
        .read_all(&[])
        .expect("read_all returned an error");
}

#[test]
fn test_deny_record() {
    let (domain_id, api_key, _) =
        create_domain(ANTIMATTER_TEST_ADDRESS).expect("failed to create domain");
    env::set_var("ANTIMATTER_API_URL", antimatter_api_url());

    let mut session = Session::new(domain_id, api_key).expect("failed to create session");

    session
        .add_read_context(
            "my_read_ctx",
            AddReadContext {
                summary: "sample read context".to_string(),
                description: "sample description".to_string(),
                required_hooks: Some(vec![ReadContextRequiredHook {
                    hook: "fast-pii".to_string(),
                    constraint: ">1.0.0".to_string(),
                    write_context: None,
                }]),
                read_parameters: Some(vec![ReadContextParameter {
                    key: Some("key".to_string()),
                    required: Some(true),
                    description: Some("description".to_string()),
                }]),
                key_cache_ttl: None,
                disable_read_logging: None,
            },
        )
        .expect("failed to create read context");
    session
        .add_write_context(
            "my_write_ctx",
            AddWriteContext {
                summary: "sample write context".to_string(),
                description: "sample description".to_string(),
                config: Box::new(WriteContextConfigInfo {
                    key_reuse_ttl: None,
                    default_capsule_tags: None,
                    required_hooks: vec![WriteContextConfigInfoRequiredHooksInner {
                        hook: "fast-pii".to_string(),
                        constraint: ">1.0.0".to_string(),
                        mode: antimatter_api::models::write_context_config_info_required_hooks_inner::Mode::Sync,
                    }],
                }),
            },
        )
        .expect("failed to create write context");
    let data_policy = session
        .create_data_policy(NewDataPolicy {
            description: "sample description".to_string(),
            name: "my_data_policy".to_string(),
        })
        .expect("failed to create data policy");
    session
        .update_data_policy_rules(
            &data_policy.policy_id,
            DataPolicyRuleChanges {
                delete_rules: None,
                new_rules: Some(vec![NewDataPolicyRule {
                    comment: Some("deny".to_string()),
                    effect: DataPolicyRuleEffect::DenyRecord,
                    token_scope: None,
                    token_format: None,
                    priority: Some(10),
                    assign_priority: None,
                    clauses: vec![DataPolicyClause {
                        operator: antimatter_api::models::data_policy_clause::Operator::AnyOf,
                        capabilities: None,
                        facts: None,
                        read_parameters: None,
                        tags: Some(vec![TagExpression {
                            name: "tag.antimatter.io/pii/name".to_string(),
                            values: None,
                            operator: antimatter_api::models::tag_expression::Operator::Exists,
                            variables: None,
                        }]),
                    }],
                }]),
            },
        )
        .expect("failed to update data policy rules");
    session
        .set_data_policy_binding(
            &data_policy.policy_id,
            SetDataPolicyBinding {
                read_contexts: None,
                default_attachment: DefaultAttachment::Attached,
            },
        )
        .expect("failed to bind data policy");

    //encapsulate, open, read_all
    let cfg = EncapsulateConfig {
        write_context_name: "my_write_ctx".to_string(),
        extra: "some extra data".to_string(),
        subdomain: None,
        subdomain_from: Some("tenant".to_string()),
        create_subdomains: Some(true),
        async_seal: false,
    };

    let columns = vec!["tenant", "age", "name"]
        .into_iter()
        .map(|item| Column {
            name: item.to_string(),
            tags: vec![],
            skip_classification: false,
        })
        .collect();

    let tags = vec![
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
        vec![vec![], vec![], vec![]],
    ];

    let input: Vec<Vec<Vec<u8>>> = vec![
        vec!["smiths", "22", "Adam Smith"],
        vec!["smiths", "11", "Bobby Smith"],
        vec!["smiths", "42", "Haley Smith"],
        vec!["cooks", "55", "Captain Cook"],
        vec!["hues", "32", "Amber Hue"],
        vec!["hues", "30", "Steven Hue"],
        vec!["grangers", "12", "Harry Granger"],
        vec!["grangers", "28", "Kim Granger"],
        vec!["grangers", "30", "Jess Granger"],
    ]
    .into_iter()
    .map(|row| {
        row.into_iter()
            .map(|item| item.as_bytes().to_vec())
            .collect()
    })
    .collect();

    let data = convert_to_readers(input, tags).expect("failed to convert to readers");

    // encapsulate the data
    let (mut data, _meta) = session
        .encapsulate_to_bytes(columns, data, vec![], cfg)
        .expect("failed to encapsulate");

    let mut reader = session
        .open(
            "my_read_ctx",
            HashMap::new(),
            HashMap::new(),
            std::io::Cursor::new(data),
        )
        .expect("failed to open");

    let (_, data) = reader.read_all(&[]).expect("failed to read_all");
    assert_eq!(
        data,
        vec![vec!["cooks", "55", "Captain Cook"]]
            .into_iter()
            .map(|row| {
                row.into_iter()
                    .map(|item| item.as_bytes().to_vec())
                    .collect::<Vec<_>>()
            })
            .collect::<Vec<_>>()
    );
}