use std::path::Path;

use rpki::storage::{
    PackTime, RawByHashEntry, RepositoryViewEntry, RepositoryViewState, RocksStore,
    RrdpSourceRecord, RrdpSourceSyncState,
};
use sha2::Digest;

fn put_current_object(store: &RocksStore, rsync_uri: &str, bytes: &[u8], object_type: &str) {
    let sha256_hex = hex::encode(sha2::Sha256::digest(bytes));
    let mut raw = RawByHashEntry::from_bytes(sha256_hex.clone(), bytes.to_vec());
    raw.origin_uris.push(rsync_uri.to_string());
    raw.object_type = Some(object_type.to_string());
    raw.encoding = Some("der".to_string());
    store.put_raw_by_hash_entry(&raw).expect("put raw_by_hash");
    store
        .put_repository_view_entry(&RepositoryViewEntry {
            rsync_uri: rsync_uri.to_string(),
            current_hash: Some(sha256_hex),
            repository_source: Some("https://example.invalid/notification.xml".to_string()),
            object_type: Some(object_type.to_string()),
            state: RepositoryViewState::Present,
        })
        .expect("put repository view");
}

#[test]
fn storage_opens_and_creates_column_families() {
    let dir = tempfile::tempdir().expect("tempdir");
    let _store = RocksStore::open(dir.path()).expect("open rocksdb");
}

#[test]
fn current_object_roundtrip_by_rsync_uri() {
    let dir = tempfile::tempdir().expect("tempdir");
    let store = RocksStore::open(dir.path()).expect("open rocksdb");

    let key = "rsync://example.invalid/repo/a.cer";
    let value = b"hello";
    put_current_object(&store, key, value, "cer");
    let got = store
        .load_current_object_bytes_by_uri(key)
        .expect("get current object");
    assert_eq!(got.as_deref(), Some(value.as_slice()));

    let current_hash = store
        .get_repository_view_entry(key)
        .expect("get repository view")
        .expect("view exists")
        .current_hash
        .expect("current hash");
    store
        .delete_repository_view_entry(key)
        .expect("delete repository view");
    store
        .delete_raw_by_hash_entry(&current_hash)
        .expect("delete raw_by_hash");
    let got = store
        .load_current_object_bytes_by_uri(key)
        .expect("get current object after delete");
    assert!(got.is_none());
}

#[test]
fn rrdp_source_roundtrip_by_notification_uri() {
    let dir = tempfile::tempdir().expect("tempdir");
    let store = RocksStore::open(dir.path()).expect("open rocksdb");

    let notif = "https://example.invalid/rrdp/notification.xml";
    let record = RrdpSourceRecord {
        notify_uri: notif.to_string(),
        last_session_id: Some("00000000-0000-0000-0000-000000000000".to_string()),
        last_serial: Some(1),
        first_seen_at: PackTime::from_utc_offset_datetime(time::OffsetDateTime::now_utc()),
        last_seen_at: PackTime::from_utc_offset_datetime(time::OffsetDateTime::now_utc()),
        last_sync_at: None,
        sync_state: RrdpSourceSyncState::SnapshotOnly,
        last_snapshot_uri: None,
        last_snapshot_hash: None,
        last_error: None,
    };
    store.put_rrdp_source_record(&record).expect("put rrdp_source");

    let got = store
        .get_rrdp_source_record(notif)
        .expect("get rrdp_source")
        .expect("rrdp_source present");
    assert_eq!(got.last_serial, Some(1));
    assert_eq!(
        got.last_session_id.as_deref(),
        Some("00000000-0000-0000-0000-000000000000")
    );
}

#[test]
fn store_is_reopenable() {
    let dir = tempfile::tempdir().expect("tempdir");
    let path: &Path = dir.path();

    let store = RocksStore::open(path).expect("open rocksdb");
    put_current_object(&store, "rsync://example.invalid/repo/x", b"x", "bin");
    drop(store);

    let store = RocksStore::open(path).expect("reopen rocksdb");
    let got = store
        .load_current_object_bytes_by_uri("rsync://example.invalid/repo/x")
        .expect("get after reopen");
    assert_eq!(got.as_deref(), Some(b"x".as_slice()));
}