use crank_community_mcp::session::{
    InMemorySessionStore, SessionStoreError, TransportSessionStore,
};
use time::format_description::well_known::Rfc3339;

fn timestamp(value: &str) -> time::OffsetDateTime {
    time::OffsetDateTime::parse(value, &Rfc3339).unwrap()
}

#[tokio::test]
async fn creates_and_reads_transport_sessions() {
    let store = InMemorySessionStore::default();
    let created_at = timestamp("2026-05-01T10:00:00Z");

    let session_id = store
        .create("2025-11-25", "default", "sales", created_at, None)
        .await
        .unwrap();
    let session = store.get(&session_id).await.unwrap().unwrap();

    assert_eq!(session.id, session_id);
    assert_eq!(session.protocol_version, "2025-11-25");
    assert_eq!(session.workspace_slug, "default");
    assert_eq!(session.agent_slug, "sales");
    assert!(!session.initialized);
    assert_eq!(session.created_at, created_at);
    assert_eq!(session.updated_at, created_at);
}

#[tokio::test]
async fn marks_transport_sessions_initialized() {
    let store = InMemorySessionStore::default();
    let created_at = timestamp("2026-05-01T10:00:00Z");
    let initialized_at = timestamp("2026-05-01T10:00:05Z");

    let session_id = store
        .create("2025-11-25", "default", "sales", created_at, None)
        .await
        .unwrap();

    assert!(
        store
            .mark_initialized(&session_id, initialized_at)
            .await
            .unwrap()
    );

    let session = store.get(&session_id).await.unwrap().unwrap();
    assert!(session.initialized);
    assert_eq!(session.updated_at, initialized_at);
}

#[tokio::test]
async fn drops_expired_in_memory_transport_sessions_on_read() {
    let store = InMemorySessionStore::default();
    let created_at = timestamp("2026-05-01T10:00:00Z");
    let expires_at = timestamp("2026-05-01T10:00:01Z");

    let session_id = store
        .create(
            "2025-11-25",
            "default",
            "sales",
            created_at,
            Some(expires_at),
        )
        .await
        .unwrap();

    assert!(store.get(&session_id).await.unwrap().is_none());
}

#[test]
fn formats_transport_session_store_error() {
    let error = SessionStoreError {
        details: "postgres is unavailable".to_owned(),
    };

    assert_eq!(
        error.to_string(),
        "transport session store is unavailable: postgres is unavailable"
    );
}