use std::any::type_name;

use bloock_storage::kv::KeyValue;
use std::collections::HashMap;

fn init_hashmap() -> HashMap<Vec<u8>, Vec<u8>> {
    //let config: HashMapConfig = HashMapConfig {};
    HashMap::<Vec<u8>, Vec<u8>>::new()
}

fn type_of<T>(_: T) -> &'static str {
    type_name::<T>()
}

#[test]
fn test_read_exist() {
    let mut hashmap = init_hashmap();
    hashmap.put(&[1; 32], &[1; 32]).unwrap();
    assert_eq!(
        <HashMap<Vec<u8>, Vec<u8>> as KeyValue>::get(&hashmap, &[1; 32]).unwrap(),
        Some(vec![1; 32]),
        "The value should be none"
    );
}

#[test]
fn test_read_not_exist() {
    let hashmap = init_hashmap();
    assert_eq!(
        <HashMap<Vec<u8>, Vec<u8>> as KeyValue>::get(&hashmap, &[1; 32])
            .unwrap()
            .is_none(),
        true,
        "The value should be none"
    );
}

#[test]
fn test_read_error() {
    /* TO DO: fill, don't know how to make hashmap return error" */
}

#[test]
fn test_put() {
    let mut hashmap = init_hashmap();
    HashMap::<Vec<u8>, Vec<u8>>::put(&mut hashmap, &[1; 32], &[0; 32]).unwrap();
    assert_eq!(
        <HashMap<Vec<u8>, Vec<u8>> as KeyValue>::get(&hashmap, &[1; 32])
            .unwrap()
            .unwrap(),
        [0; 32],
        "The value read was not written or unable to read"
    );
}

#[test]
fn test_put_error() {
    /* No idea de com fer que peti escribint */
}

#[test]
fn test_ini_batch() {
    assert_eq!(
        "std::collections::hash::map::HashMap<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>",
        type_of(HashMap::<Vec<u8>, Vec<u8>>::ini_batch().unwrap()),
        "ini_batch does not work correctly"
    )
}

#[test]
fn test_put_batch() {
    let mut b = HashMap::<Vec<u8>, Vec<u8>>::new();
    assert_eq!(
        true,
        HashMap::<Vec<u8>, Vec<u8>>::put_batch(&mut b, &[2u8], &[3u8]).is_ok(),
        "put batch not working"
    )
}

#[test]
fn test_end_batch() {
    let mut db = init_hashmap();
    let b = HashMap::<Vec<u8>, Vec<u8>>::new();
    assert_eq!(true, db.end_batch(b).is_ok(), "put batch not working");
}