"""调度器 API 集成测试 - 测试 /api/scheduler/* 所有接口"""
import pytest

from app.api.deps import get_settings_repo
from app.repositories.settings_repo import SettingsRepository


class FailingSettingsRepository(SettingsRepository):
    """save 恒为 False，用于覆盖「设置保存失败」分支，非 MagicMock。"""

    @staticmethod
    async def save(db, settings):
        return False


class TestSchedulerAPI:
    """测试调度器相关 API"""

    @pytest.mark.asyncio
    async def test_get_scheduler_status(self, client):
        """测试 GET /api/scheduler/status"""
        response = await client.get("/api/scheduler/status")
        assert response.status_code == 200
        data = response.json()
        assert data["code"] == 200
        assert "running" in data["data"]
        assert "interval_minutes" in data["data"]
        assert isinstance(data["data"]["running"], bool)

    @pytest.mark.asyncio
    async def test_start_scheduler(self, client):
        """测试 POST /api/scheduler/start"""
        response = await client.post("/api/scheduler/start")
        assert response.status_code == 200
        data = response.json()
        assert data["code"] == 200
        assert data["data"]["running"] is True

    @pytest.mark.asyncio
    async def test_start_scheduler_already_running(self, client):
        """测试 POST /api/scheduler/start - 已经运行"""
        # 先启动
        await client.post("/api/scheduler/start")
        # 再次启动
        response = await client.post("/api/scheduler/start")
        assert response.status_code == 200
        data = response.json()
        assert data["code"] == 200
        assert "已在运行" in data["message"] or data["data"]["running"] is True

    @pytest.mark.asyncio
    async def test_stop_scheduler(self, client):
        """测试 POST /api/scheduler/stop"""
        # 先确保调度器在运行
        await client.post("/api/scheduler/start")
        
        response = await client.post("/api/scheduler/stop")
        assert response.status_code == 200
        data = response.json()
        assert data["code"] == 200
        assert data["data"]["running"] is False

    @pytest.mark.asyncio
    async def test_stop_scheduler_already_stopped(self, client):
        """测试 POST /api/scheduler/stop - 已经停止"""
        # 先停止
        await client.post("/api/scheduler/stop")
        # 再次停止
        response = await client.post("/api/scheduler/stop")
        assert response.status_code == 200
        data = response.json()
        assert data["code"] == 200
        assert "未运行" in data["message"] or data["data"]["running"] is False

    @pytest.mark.asyncio
    async def test_validate_now(self, client):
        """测试 POST /api/scheduler/validate-now"""
        # 先启动调度器
        await client.post("/api/scheduler/start")
        
        response = await client.post("/api/scheduler/validate-now")
        assert response.status_code == 200
        data = response.json()
        assert data["code"] == 200
        assert data["data"]["started"] is True

    @pytest.mark.asyncio
    async def test_validate_now_returns_valid_job(self, client):
        """测试 POST /api/scheduler/validate-now 返回有效 job_id"""
        await client.post("/api/scheduler/start")
        response = await client.post("/api/scheduler/validate-now")
        assert response.status_code == 200
        data = response.json()
        assert data["code"] == 200
        job_id = data["data"]["job_id"]
        assert isinstance(job_id, str) and len(job_id) > 0

        # 通过应用状态验证 job 已被提交到 executor
        from app.api.main import create_app
        # 使用 client 的 app 实例
        app = client._transport.app
        executor = app.state.executor
        job = executor.get_job(job_id)
        assert job is not None

    @pytest.mark.asyncio
    async def test_start_scheduler_db_save_failure(self, client, app):
        """测试启动调度器时数据库保存失败应返回 running=False"""
        # lifespan 启动时调度器可能已自动启动，先停止它
        await client.post("/api/scheduler/stop")

        app.dependency_overrides[get_settings_repo] = lambda: FailingSettingsRepository()
        try:
            response = await client.post("/api/scheduler/start")
        finally:
            app.dependency_overrides.pop(get_settings_repo, None)

        assert response.status_code == 200
        data = response.json()
        assert data["code"] == 200
        assert data["data"]["running"] is False
        assert "失败" in data["message"]

    @pytest.mark.asyncio
    async def test_scheduler_full_workflow(self, client):
        """测试调度器完整工作流"""
        # 1. 获取初始状态
        response = await client.get("/api/scheduler/status")
        initial_status = response.json()["data"]
        
        # 2. 启动调度器
        response = await client.post("/api/scheduler/start")
        assert response.json()["data"]["running"] is True
        
        # 3. 验证状态
        response = await client.get("/api/scheduler/status")
        assert response.json()["data"]["running"] is True
        
        # 4. 触发立即验证
        response = await client.post("/api/scheduler/validate-now")
        assert response.json()["data"]["started"] is True
        
        # 5. 停止调度器
        response = await client.post("/api/scheduler/stop")
        assert response.json()["data"]["running"] is False
        
        # 6. 验证最终状态
        response = await client.get("/api/scheduler/status")
        assert response.json()["data"]["running"] is False