import pytest
from unittest.mock import AsyncMock, patch, MagicMock


@pytest.mark.asyncio
async def test_get_or_create_profile_note_returns_body():
    """get_profile_body() should return empty string when no profile note exists."""
    with patch("fabledassistant.services.briefing_profile.list_notes", new_callable=AsyncMock) as mock_list:
        mock_list.return_value = ([], 0)
        from fabledassistant.services.briefing_profile import get_profile_body
        body = await get_profile_body(user_id=1)
        assert body == ""


def test_format_task_for_briefing():
    """format_task() should return a compact single-line string."""
    from fabledassistant.services.briefing_pipeline import format_task
    task = {"title": "Write design doc", "status": "in_progress", "due_date": "2026-03-12", "priority": "high"}
    result = format_task(task)
    assert "Write design doc" in result
    assert "in_progress" in result or "In Progress" in result



def test_compute_task_snapshot_hash():
    """compute_task_hash should return a stable SHA-256 hex string."""
    from fabledassistant.services.briefing_pipeline import compute_task_hash

    task = {"status": "todo", "priority": "high", "due_date": "2026-03-25", "title": "Write spec"}
    h = compute_task_hash(task)
    assert len(h) == 64  # SHA-256 hex
    assert h == compute_task_hash(task)
    assert h != compute_task_hash({**task, "status": "done"})


@pytest.mark.asyncio
async def test_split_changed_tasks_all_new():
    """split_changed_tasks should return all tasks as changed when no snapshot exists."""
    from fabledassistant.services.briefing_pipeline import split_changed_tasks

    tasks = [
        {"task_id": 1, "title": "A", "status": "todo", "priority": "none", "due_date": None},
    ]

    with patch(
        "fabledassistant.services.briefing_pipeline.async_session"
    ) as mock_cls:
        mock_session = AsyncMock()
        mock_session.__aenter__ = AsyncMock(return_value=mock_session)
        mock_session.__aexit__ = AsyncMock(return_value=False)
        mock_session.execute = AsyncMock(return_value=MagicMock(
            scalars=MagicMock(return_value=MagicMock(all=MagicMock(return_value=[])))
        ))
        mock_cls.return_value = mock_session

        changed, unchanged_count = await split_changed_tasks(user_id=1, tasks=tasks)
        assert len(changed) == 1
        assert unchanged_count == 0


@pytest.mark.asyncio
async def test_post_message_accepts_metadata():
    """post_message should accept an optional metadata dict and store it."""
    from unittest.mock import AsyncMock, patch, MagicMock

    mock_msg = MagicMock()
    mock_msg.id = 1

    with patch("fabledassistant.services.briefing_conversations.async_session") as mock_session_cls:
        mock_session = AsyncMock()
        mock_session.__aenter__ = AsyncMock(return_value=mock_session)
        mock_session.__aexit__ = AsyncMock(return_value=False)
        mock_session.add = MagicMock()
        mock_session.get = AsyncMock(return_value=None)
        mock_session.commit = AsyncMock()
        mock_session.refresh = AsyncMock()
        mock_session_cls.return_value = mock_session

        from fabledassistant.services.briefing_conversations import post_message
        metadata = {"weather": {"location": "Berlin"}, "rss_item_ids": [1, 2]}
        await post_message(1, "assistant", "Hello", metadata=metadata)

        # Verify Message was constructed with msg_metadata
        call_args = mock_session.add.call_args[0][0]
        assert call_args.msg_metadata == metadata