use ovr_ruc::*;
use serde::{Deserialize, Serialize};
use vsdb::{vsdb_set_base_dir, Mapx, ValueEnDe};

#[derive(Serialize, Deserialize, Default, Debug, Eq, PartialEq, Clone)]
struct SampleBlock {
    idx: usize,
    data: Vec<usize>,
}

fn gen_sample(idx: usize) -> SampleBlock {
    SampleBlock {
        idx,
        data: vec![idx],
    }
}

#[test]
fn basic_cases() {
    let cnt = 200;
    vsdb_set_base_dir("/tmp/.vsdb/basic_mapx_test").unwrap();
    let hdr = {
        let hdr_i = Mapx::new();

        assert_eq!(0, hdr_i.len());
        (0..cnt).for_each(|i| {
            assert!(hdr_i.get(&i).is_none());
        });

        (0..cnt).map(|i| (i, gen_sample(i))).for_each(|(i, b)| {
            hdr_i.entry(i).or_insert(b.clone());
            assert_eq!(1 + i as usize, hdr_i.len());
            assert_eq!(pnk!(hdr_i.get(&i)).idx, i);
            assert_eq!(hdr_i.remove(&i), Some(b.clone()));
            assert_eq!(i as usize, hdr_i.len());
            assert!(hdr_i.get(&i).is_none());
            assert!(hdr_i.insert_ref(&i, &b).is_none());
            assert!(hdr_i.insert(i, b).is_some());
        });

        assert_eq!(cnt, hdr_i.len());

        <Mapx<usize, SampleBlock> as ValueEnDe>::encode(&hdr_i)
    };

    let reloaded = pnk!(<Mapx<usize, SampleBlock> as ValueEnDe>::decode(&hdr));

    assert_eq!(cnt, reloaded.len());

    (0..cnt).for_each(|i| {
        assert_eq!(i, reloaded.get(&i).unwrap().idx);
    });

    (1..cnt).for_each(|i| {
        pnk!(reloaded.get_mut(&i)).idx = 1 + i;
        assert_eq!(pnk!(reloaded.get(&i)).idx, 1 + i);
        assert!(reloaded.contains_key(&i));
        assert!(reloaded.remove(&i).is_some());
        assert!(!reloaded.contains_key(&i));
    });

    assert_eq!(1, reloaded.len());
    reloaded.clear();
    assert!(reloaded.is_empty());
}