"""API 路由测试"""

import pytest
from httpx import AsyncClient, ASGITransport
from unittest.mock import AsyncMock, patch

from app.main import app


class TestHealthCheck:
    """健康检查测试"""

    @pytest.mark.asyncio
    async def test_health_endpoint(self):
        """测试 /health 端点"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get("/health")

        assert response.status_code == 200
        data = response.json()
        assert data["status"] == "healthy"
        assert "service" in data


class TestPlansAPI:
    """Plans API 测试"""

    @pytest.mark.asyncio
    async def test_list_plans_empty(self, temp_db, temp_storage):
        """测试列出空的 Plans"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get("/api/plans")

        assert response.status_code == 200
        assert response.json() == []

    @pytest.mark.asyncio
    async def test_create_plan(self, temp_db, temp_storage):
        """测试创建 Plan"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/plans",
                json={
                    "name": "Test Plan",
                    "provider_name": "openai",
                    "api_key": "sk-test",
                    "api_base": "https://api.openai.com/v1",
                    "plan_type": "coding",
                    "supported_models": ["gpt-4"],
                },
            )

        assert response.status_code == 200
        data = response.json()
        assert "id" in data
        assert data["name"] == "Test Plan"

    @pytest.mark.asyncio
    async def test_create_plan_invalid(self, temp_db, temp_storage):
        """测试创建 Plan 无效数据"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post("/api/plans", json={})

        # 应该返回 422 验证错误
        assert response.status_code == 422

    @pytest.mark.asyncio
    async def test_get_plan(self, temp_db, temp_storage):
        """测试获取 Plan"""
        # 先创建
        from app import database as db
        plan = await db.create_plan(
            name="Test Plan",
            provider_name="openai",
            api_key="sk-test",
        )

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get(f"/api/plans/{plan['id']}")

        assert response.status_code == 200
        data = response.json()
        assert data["id"] == plan["id"]
        assert data["name"] == "Test Plan"
        assert "quota_rules" in data

    @pytest.mark.asyncio
    async def test_get_plan_not_found(self, temp_db, temp_storage):
        """测试获取不存在的 Plan"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get("/api/plans/nonexistent")

        assert response.status_code == 404

    @pytest.mark.asyncio
    async def test_update_plan(self, temp_db, temp_storage):
        """测试更新 Plan"""
        from app import database as db
        plan = await db.create_plan(
            name="Old Name",
            provider_name="openai",
            api_key="sk-test",
        )

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.patch(
                f"/api/plans/{plan['id']}",
                json={"name": "New Name"},
            )

        assert response.status_code == 200
        assert response.json()["ok"] is True

    @pytest.mark.asyncio
    async def test_delete_plan(self, temp_db, temp_storage):
        """测试删除 Plan"""
        from app import database as db
        plan = await db.create_plan(
            name="To Delete",
            provider_name="openai",
            api_key="sk-test",
        )

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.delete(f"/api/plans/{plan['id']}")

        assert response.status_code == 200
        assert response.json()["ok"] is True


class TestQuotaRulesAPI:
    """QuotaRules API 测试"""

    @pytest.mark.asyncio
    async def test_create_quota_rule(self, temp_db, temp_storage):
        """测试创建 QuotaRule"""
        from app import database as db
        plan = await db.create_plan(name="Test", provider_name="openai", api_key="sk-test")

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                f"/api/plans/{plan['id']}/rules",
                json={
                    "rule_name": "Daily Limit",
                    "quota_total": 100,
                    "quota_unit": "requests",
                    "refresh_type": "calendar_cycle",
                    "calendar_unit": "daily",
                    "calendar_anchor": {"hour": 0},
                },
            )

        assert response.status_code == 200
        data = response.json()
        assert "id" in data
        assert data["rule_name"] == "Daily Limit"

    @pytest.mark.asyncio
    async def test_list_quota_rules(self, temp_db, temp_storage):
        """测试列出 QuotaRules"""
        from app import database as db
        plan = await db.create_plan(name="Test", provider_name="openai", api_key="sk-test")
        await db.create_quota_rule(plan_id=plan["id"], rule_name="Rule 1", quota_total=100)
        await db.create_quota_rule(plan_id=plan["id"], rule_name="Rule 2", quota_total=200)

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get(f"/api/plans/{plan['id']}/rules")

        assert response.status_code == 200
        data = response.json()
        assert len(data) == 2

    @pytest.mark.asyncio
    async def test_update_quota_rule(self, temp_db, temp_storage):
        """测试更新 QuotaRule"""
        from app import database as db
        plan = await db.create_plan(name="Test", provider_name="openai", api_key="sk-test")
        rule = await db.create_quota_rule(plan_id=plan["id"], rule_name="Rule", quota_total=100)

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.patch(
                f"/api/plans/rules/{rule['id']}",
                json={"quota_total": 200},
            )

        assert response.status_code == 200
        assert response.json()["ok"] is True

    @pytest.mark.asyncio
    async def test_delete_quota_rule(self, temp_db, temp_storage):
        """测试删除 QuotaRule"""
        from app import database as db
        plan = await db.create_plan(name="Test", provider_name="openai", api_key="sk-test")
        rule = await db.create_quota_rule(plan_id=plan["id"], rule_name="Rule", quota_total=100)

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.delete(f"/api/plans/rules/{rule['id']}")

        assert response.status_code == 200
        assert response.json()["ok"] is True


class TestModelRoutesAPI:
    """ModelRoutes API 测试"""

    @pytest.mark.asyncio
    async def test_set_model_route(self, temp_db, temp_storage):
        """测试设置模型路由"""
        from app import database as db
        plan = await db.create_plan(name="Test", provider_name="openai", api_key="sk-test")

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/plans/routes/models",
                json={"model_name": "gpt-4", "plan_id": plan["id"], "priority": 10},
            )

        assert response.status_code == 200
        data = response.json()
        assert "id" in data
        assert data["model_name"] == "gpt-4"

    @pytest.mark.asyncio
    async def test_list_model_routes(self, temp_db, temp_storage):
        """测试列出模型路由"""
        from app import database as db
        plan = await db.create_plan(name="Test", provider_name="openai", api_key="sk-test")
        await db.set_model_route("gpt-4", plan["id"], priority=10)
        await db.set_model_route("gpt-3.5-turbo", plan["id"], priority=5)

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get("/api/plans/routes/models")

        assert response.status_code == 200
        data = response.json()
        assert len(data) == 2

    @pytest.mark.asyncio
    async def test_delete_model_route(self, temp_db, temp_storage):
        """测试删除模型路由"""
        from app import database as db
        plan = await db.create_plan(name="Test", provider_name="openai", api_key="sk-test")
        route = await db.set_model_route("gpt-4", plan["id"], priority=10)

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.delete(f"/api/plans/routes/models/{route['id']}")

        assert response.status_code == 200
        assert response.json()["ok"] is True


class TestTasksAPI:
    """Tasks API 测试"""

    @pytest.mark.asyncio
    async def test_create_task(self, temp_db, temp_storage):
        """测试创建任务"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/queue",
                json={
                    "task_type": "image",
                    "request_payload": {"prompt": "a cat"},
                },
            )

        assert response.status_code == 200
        data = response.json()
        assert "id" in data
        assert data["status"] == "pending"

    @pytest.mark.asyncio
    async def test_list_tasks(self, temp_db, temp_storage):
        """测试列出任务"""
        from app import database as db
        await db.create_task(task_type="image", request_payload={"prompt": "cat"})
        t = await db.create_task(task_type="voice", request_payload={"text": "hello"})
        await db.update_task(t["id"], status="running")

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get("/api/queue")

        assert response.status_code == 200
        data = response.json()
        assert len(data) == 2

        # 测试过滤
        response = await client.get("/api/queue?status=pending")
        assert response.status_code == 200
        data = response.json()
        assert len(data) == 1

    @pytest.mark.asyncio
    async def test_get_task(self, temp_db, temp_storage):
        """测试获取任务"""
        from app import database as db
        task = await db.create_task(task_type="image", request_payload={"prompt": "cat"})

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get(f"/api/queue/{task['id']}")

        assert response.status_code == 200
        data = response.json()
        assert data["id"] == task["id"]
        assert data["task_type"] == "image"

    @pytest.mark.asyncio
    async def test_cancel_task(self, temp_db, temp_storage):
        """测试取消任务"""
        from app import database as db
        task = await db.create_task(task_type="image", request_payload={"prompt": "cat"})

        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(f"/api/queue/{task['id']}/cancel")

        assert response.status_code == 200
        assert response.json()["ok"] is True

        # 验证状态
        updated = await db.get_task(task["id"])
        assert updated["status"] == "cancelled"


class TestProxyAPI:
    """代理 API 测试"""

    @pytest.mark.asyncio
    async def test_chat_completions_missing_auth(self, temp_db, temp_storage):
        """测试聊天请求缺少鉴权"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/v1/chat/completions",
                json={"model": "gpt-4", "messages": [{"role": "user", "content": "hello"}]},
            )

        # 默认 proxy_api_key 为空时应该通过，但如果设置了则返回 401
        # 这里我们测试没有设置 key 的情况
        # 实际行为取决于配置

    @pytest.mark.asyncio
    async def test_chat_completions_invalid_model(self, temp_db, temp_storage):
        """测试聊天请求无效模型"""
        from app import database as db

        # 设置空的 proxy_api_key 以跳过鉴权测试
        import app.config as config_module
        original_key = config_module.settings.server.proxy_api_key
        config_module.settings.server.proxy_api_key = ""

        try:
            transport = ASGITransport(app=app)
            async with AsyncClient(transport=transport, base_url="http://test") as client:
                response = await client.post(
                    "/v1/chat/completions",
                    json={"model": "nonexistent-model", "messages": [{"role": "user", "content": "hello"}]},
                )
        finally:
            config_module.settings.server.proxy_api_key = original_key

        # 应该返回 404 找不到模型路由
        assert response.status_code == 404

    @pytest.mark.asyncio
    async def test_anthropic_messages_format_conversion(self, temp_db, temp_storage):
        """测试 Anthropic 格式转换"""
        from app import database as db

        import app.config as config_module
        original_key = config_module.settings.server.proxy_api_key
        config_module.settings.server.proxy_api_key = ""

        # 创建路由
        plan = await db.create_plan(name="Test", provider_name="openai", api_key="sk-test")
        await db.create_quota_rule(plan_id=plan["id"], rule_name="Rule", quota_total=100)
        await db.set_model_route("gpt-4", plan["id"])

        try:
            transport = ASGITransport(app=app)
            async with AsyncClient(transport=transport, base_url="http://test") as client:
                response = await client.post(
                    "/v1/messages",
                    json={
                        "model": "gpt-4",
                        "messages": [{"role": "user", "content": "hello"}],
                        "max_tokens": 100,
                    },
                )
        finally:
            config_module.settings.server.proxy_api_key = original_key

        # 由于没有真实的 API，可能会失败，但至少验证格式转换不抛出错误
        # 实际会返回 502 或类似的错误，因为没有真实后端