"""Health check 엔드포인트 테스트."""
import pytest
from contextlib import asynccontextmanager
from unittest.mock import AsyncMock, MagicMock, patch

import httpx


@asynccontextmanager
async def mock_lifespan(app):
    """테스트용 mock lifespan."""
    yield


@pytest.mark.asyncio
async def test_health_basic():
    """기본 health check가 200을 반환한다."""
    from agent.webapp import app
    # Override lifespan for testing
    app.router.lifespan_context = mock_lifespan
    async with httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url="http://test") as client:
        resp = await client.get("/health")
        assert resp.status_code == 200
        data = resp.json()
        assert data["status"] == "ok"


@pytest.mark.asyncio
async def test_health_queue():
    """큐 health check가 pending 카운트를 반환한다."""
    from agent.webapp import app
    app.router.lifespan_context = mock_lifespan

    mock_queue = MagicMock()
    mock_queue.get_pending = AsyncMock(return_value=[{"id": "1"}, {"id": "2"}])

    with patch("agent.task_queue.get_task_queue", new_callable=AsyncMock, return_value=mock_queue):
        async with httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url="http://test") as client:
            resp = await client.get("/health/queue")
            assert resp.status_code == 200
            data = resp.json()
            assert data["status"] == "ok"
            assert data["pending_tasks"] == 2


@pytest.mark.asyncio
async def test_health_queue_empty():
    """큐가 비어있을 때 0을 반환한다."""
    from agent.webapp import app
    app.router.lifespan_context = mock_lifespan

    mock_queue = MagicMock()
    mock_queue.get_pending = AsyncMock(return_value=[])

    with patch("agent.task_queue.get_task_queue", new_callable=AsyncMock, return_value=mock_queue):
        async with httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url="http://test") as client:
            resp = await client.get("/health/queue")
            assert resp.status_code == 200
            data = resp.json()
            assert data["status"] == "ok"
            assert data["pending_tasks"] == 0


@pytest.mark.asyncio
async def test_health_discord_not_configured():
    """Discord가 설정되지 않았을 때."""
    from agent.webapp import app
    app.router.lifespan_context = mock_lifespan
    # Ensure no discord_handler on app.state
    if hasattr(app.state, "discord_handler"):
        delattr(app.state, "discord_handler")

    async with httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url="http://test") as client:
        resp = await client.get("/health/discord")
        assert resp.status_code == 200
        data = resp.json()
        assert data["status"] == "not_configured"


@pytest.mark.asyncio
async def test_health_discord_ready():
    """Discord 봇이 준비되었을 때."""
    from agent.webapp import app
    app.router.lifespan_context = mock_lifespan

    mock_bot = MagicMock()
    mock_bot.is_ready.return_value = True
    mock_bot.user = "TestBot#1234"

    mock_handler = MagicMock()
    mock_handler.bot = mock_bot
    app.state.discord_handler = mock_handler

    async with httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url="http://test") as client:
        resp = await client.get("/health/discord")
        assert resp.status_code == 200
        data = resp.json()
        assert data["status"] == "ok"
        assert data["user"] == "TestBot#1234"


@pytest.mark.asyncio
async def test_health_discord_connecting():
    """Discord 봇이 연결 중일 때."""
    from agent.webapp import app
    app.router.lifespan_context = mock_lifespan

    mock_bot = MagicMock()
    mock_bot.is_ready.return_value = False

    mock_handler = MagicMock()
    mock_handler.bot = mock_bot
    app.state.discord_handler = mock_handler

    async with httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url="http://test") as client:
        resp = await client.get("/health/discord")
        assert resp.status_code == 200
        data = resp.json()
        assert data["status"] == "connecting"


@pytest.mark.asyncio
async def test_health_gitea_ok():
    """Gitea API 연결이 성공할 때."""
    from agent.webapp import app
    app.router.lifespan_context = mock_lifespan

    mock_response = MagicMock()
    mock_response.status_code = 200

    mock_client = MagicMock()
    mock_client._client.get = AsyncMock(return_value=mock_response)

    with patch("agent.utils.gitea_client.get_gitea_client", return_value=mock_client):
        async with httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url="http://test") as client:
            resp = await client.get("/health/gitea")
            assert resp.status_code == 200
            data = resp.json()
            assert data["status"] == "ok"
            assert data["gitea_status_code"] == 200


@pytest.mark.asyncio
async def test_health_gitea_error():
    """Gitea API 연결이 실패할 때."""
    from agent.webapp import app
    app.router.lifespan_context = mock_lifespan

    with patch("agent.utils.gitea_client.get_gitea_client", side_effect=Exception("Connection failed")):
        async with httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url="http://test") as client:
            resp = await client.get("/health/gitea")
            assert resp.status_code == 200
            data = resp.json()
            assert data["status"] == "error"
            assert "Connection failed" in data["error"]