mod common;

use common::tester::Tester;
use hoard::checkers::history::operation::{Operation, OperationImpl};
use hoard::checksum::{Checksum, MD5, SHA256};
use hoard::command::Command;
use hoard::newtypes::PileName;
use hoard::paths::RelativePath;
use tokio::fs;

const CONFIG: &str = r#"
exclusivity = [[ "unix", "windows" ]]

[envs]
[envs.unix]
    os = ["linux", "macos"]
    env = [{ var = "HOME" }]
[envs.windows]
    os = ["windows"]
    env = [{ var = "HOARD_TMP" }]

[hoards]
[hoards.md5]
    config = { hash_algorithm = "md5" }
    "unix" = "${HOME}/testing.txt"
    "windows" = "${HOARD_TMP}/testing.txt"
[hoards.sha256]
    config = { hash_algorithm = "sha256" }
    "unix" = "${HOME}/testing.txt"
    "windows" = "${HOARD_TMP}/testing.txt"
[hoards.default]
    "unix" = "${HOME}/testing.txt"
    "windows" = "${HOARD_TMP}/testing.txt"
"#;

#[tokio::test]
async fn test_operation_checksums() {
    let tester = Tester::new(CONFIG).await;
    let file_path = tester.home_dir().join("testing.txt");
    // Relative path for a file is ""
    let rel_file = RelativePath::none();
    common::create_file_with_random_data::<2048>(&file_path).await;

    tester
        .expect_command(Command::Backup { hoards: Vec::new() })
        .await;

    let data = fs::read(&file_path)
        .await
        .expect("reading data from test file should succeed");
    let md5 = Checksum::MD5(MD5::from_data(&data));
    let sha256 = Checksum::SHA256(SHA256::from_data(&data));

    let pile_name = PileName::anonymous();
    let md5_op = Operation::latest_local(&"md5".parse().unwrap(), Some((&pile_name, &rel_file)))
        .await
        .expect("should not fail to load operation for md5 hoard")
        .expect("operation should exist")
        .checksum_for(&pile_name, &rel_file)
        .expect("checksum should exist for file");
    let sha256_op =
        Operation::latest_local(&"sha256".parse().unwrap(), Some((&pile_name, &rel_file)))
            .await
            .expect("should not fail to load operation for sha256 hoard")
            .expect("operation should exist")
            .checksum_for(&pile_name, &rel_file)
            .expect("checksum should exist for file");
    let default_op =
        Operation::latest_local(&"default".parse().unwrap(), Some((&pile_name, &rel_file)))
            .await
            .expect("should not fail to load operation for default hoard")
            .expect("operation should exist")
            .checksum_for(&pile_name, &rel_file)
            .expect("checksum should exist for file");

    assert_eq!(md5_op, md5);
    assert_eq!(sha256_op, sha256);
    assert_eq!(default_op, sha256);
}