"""Tests for ThreadMetaRepository (SQLAlchemy-backed)."""

import pytest

from deerflow.persistence.repositories.thread_meta_repo import ThreadMetaRepository


async def _make_repo(tmp_path):
    from deerflow.persistence.engine import get_session_factory, init_engine

    url = f"sqlite+aiosqlite:///{tmp_path / 'test.db'}"
    await init_engine("sqlite", url=url, sqlite_dir=str(tmp_path))
    return ThreadMetaRepository(get_session_factory())


async def _cleanup():
    from deerflow.persistence.engine import close_engine

    await close_engine()


class TestThreadMetaRepository:
    @pytest.mark.anyio
    async def test_create_and_get(self, tmp_path):
        repo = await _make_repo(tmp_path)
        record = await repo.create("t1")
        assert record["thread_id"] == "t1"
        assert record["status"] == "idle"
        assert "created_at" in record

        fetched = await repo.get("t1")
        assert fetched is not None
        assert fetched["thread_id"] == "t1"
        await _cleanup()

    @pytest.mark.anyio
    async def test_create_with_assistant_id(self, tmp_path):
        repo = await _make_repo(tmp_path)
        record = await repo.create("t1", assistant_id="agent1")
        assert record["assistant_id"] == "agent1"
        await _cleanup()

    @pytest.mark.anyio
    async def test_create_with_owner_and_display_name(self, tmp_path):
        repo = await _make_repo(tmp_path)
        record = await repo.create("t1", owner_id="user1", display_name="My Thread")
        assert record["owner_id"] == "user1"
        assert record["display_name"] == "My Thread"
        await _cleanup()

    @pytest.mark.anyio
    async def test_create_with_metadata(self, tmp_path):
        repo = await _make_repo(tmp_path)
        record = await repo.create("t1", metadata={"key": "value"})
        assert record["metadata"] == {"key": "value"}
        await _cleanup()

    @pytest.mark.anyio
    async def test_get_nonexistent(self, tmp_path):
        repo = await _make_repo(tmp_path)
        assert await repo.get("nonexistent") is None
        await _cleanup()

    @pytest.mark.anyio
    async def test_list_by_owner(self, tmp_path):
        repo = await _make_repo(tmp_path)
        await repo.create("t1", owner_id="user1")
        await repo.create("t2", owner_id="user1")
        await repo.create("t3", owner_id="user2")
        results = await repo.list_by_owner("user1")
        assert len(results) == 2
        assert all(r["owner_id"] == "user1" for r in results)
        await _cleanup()

    @pytest.mark.anyio
    async def test_list_by_owner_with_limit_and_offset(self, tmp_path):
        repo = await _make_repo(tmp_path)
        for i in range(5):
            await repo.create(f"t{i}", owner_id="user1")
        results = await repo.list_by_owner("user1", limit=2, offset=1)
        assert len(results) == 2
        await _cleanup()

    @pytest.mark.anyio
    async def test_check_access_no_record_allows(self, tmp_path):
        repo = await _make_repo(tmp_path)
        assert await repo.check_access("unknown", "user1") is True
        await _cleanup()

    @pytest.mark.anyio
    async def test_check_access_owner_matches(self, tmp_path):
        repo = await _make_repo(tmp_path)
        await repo.create("t1", owner_id="user1")
        assert await repo.check_access("t1", "user1") is True
        await _cleanup()

    @pytest.mark.anyio
    async def test_check_access_owner_mismatch(self, tmp_path):
        repo = await _make_repo(tmp_path)
        await repo.create("t1", owner_id="user1")
        assert await repo.check_access("t1", "user2") is False
        await _cleanup()

    @pytest.mark.anyio
    async def test_check_access_no_owner_allows_all(self, tmp_path):
        repo = await _make_repo(tmp_path)
        await repo.create("t1")  # owner_id=None
        assert await repo.check_access("t1", "anyone") is True
        await _cleanup()

    @pytest.mark.anyio
    async def test_update_status(self, tmp_path):
        repo = await _make_repo(tmp_path)
        await repo.create("t1")
        await repo.update_status("t1", "busy")
        record = await repo.get("t1")
        assert record["status"] == "busy"
        await _cleanup()

    @pytest.mark.anyio
    async def test_delete(self, tmp_path):
        repo = await _make_repo(tmp_path)
        await repo.create("t1")
        await repo.delete("t1")
        assert await repo.get("t1") is None
        await _cleanup()

    @pytest.mark.anyio
    async def test_delete_nonexistent_is_noop(self, tmp_path):
        repo = await _make_repo(tmp_path)
        await repo.delete("nonexistent")  # should not raise
        await _cleanup()