"""数据库模块测试"""

import pytest

from app import database as db


class TestPlanCRUD:
    """Plan CRUD 操作测试"""

    @pytest.mark.asyncio
    async def test_create_plan(self, db):
        """测试创建 Plan"""
        plan = await db.create_plan(
            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 "id" in plan
        assert plan["name"] == "Test Plan"
        assert plan["provider_name"] == "openai"

    @pytest.mark.asyncio
    async def test_get_plan(self, db):
        """测试获取 Plan"""
        created = await db.create_plan(
            name="Get Test",
            provider_name="openai",
            api_key="sk-test",
        )
        plan = await db.get_plan(created["id"])
        assert plan is not None
        assert plan["name"] == "Get Test"
        assert plan["enabled"] is True

    @pytest.mark.asyncio
    async def test_get_plan_not_found(self, db):
        """测试获取不存在的 Plan"""
        plan = await db.get_plan("nonexistent")
        assert plan is None

    @pytest.mark.asyncio
    async def test_list_plans(self, db):
        """测试列出 Plans"""
        await db.create_plan(name="Plan 1", provider_name="openai", api_key="sk1")
        await db.create_plan(name="Plan 2", provider_name="kimi", api_key="sk2")
        await db.create_plan(name="Plan 3", provider_name="google", api_key="sk3", enabled=False)

        plans = await db.list_plans()
        assert len(plans) == 3

        enabled_only = await db.list_plans(enabled_only=True)
        assert len(enabled_only) == 2

    @pytest.mark.asyncio
    async def test_update_plan(self, db):
        """测试更新 Plan"""
        plan = await db.create_plan(name="Old Name", provider_name="openai", api_key="sk-test")
        ok = await db.update_plan(plan["id"], name="New Name", plan_type="token")
        assert ok is True

        updated = await db.get_plan(plan["id"])
        assert updated["name"] == "New Name"
        assert updated["plan_type"] == "token"

    @pytest.mark.asyncio
    async def test_delete_plan(self, db):
        """测试删除 Plan"""
        plan = await db.create_plan(name="To Delete", provider_name="openai", api_key="sk-test")
        ok = await db.delete_plan(plan["id"])
        assert ok is True

        deleted = await db.get_plan(plan["id"])
        assert deleted is None


class TestQuotaRuleCRUD:
    """QuotaRule CRUD 操作测试"""

    @pytest.mark.asyncio
    async def test_create_quota_rule(self, db):
        """测试创建 QuotaRule"""
        plan = await db.create_plan(name="Test Plan", provider_name="openai", api_key="sk-test")
        rule = await db.create_quota_rule(
            plan_id=plan["id"],
            rule_name="Daily Limit",
            quota_total=100,
            quota_unit="requests",
            refresh_type="calendar_cycle",
            calendar_unit="daily",
            calendar_anchor={"hour": 0},
        )
        assert "id" in rule
        assert rule["rule_name"] == "Daily Limit"

    @pytest.mark.asyncio
    async def test_list_quota_rules(self, db):
        """测试列出 QuotaRules"""
        plan = await db.create_plan(name="Test Plan", 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)

        rules = await db.list_quota_rules(plan["id"])
        assert len(rules) == 2

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

        ok = await db.update_quota_rule(rule["id"], quota_total=200)
        assert ok is True

        rules = await db.list_quota_rules(plan["id"])
        assert rules[0]["quota_total"] == 200

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

        ok = await db.delete_quota_rule(rule["id"])
        assert ok is True

        rules = await db.list_quota_rules(plan["id"])
        assert len(rules) == 0

    @pytest.mark.asyncio
    async def test_increment_quota_used(self, db):
        """测试增加已用额度"""
        plan = await db.create_plan(name="Test Plan", provider_name="openai", api_key="sk-test")
        await db.create_quota_rule(plan_id=plan["id"], rule_name="Rule", quota_total=100, quota_unit="requests")
        await db.create_quota_rule(plan_id=plan["id"], rule_name="Token Rule", quota_total=1000, quota_unit="tokens")

        await db.increment_quota_used(plan["id"], token_count=50)

        rules = await db.list_quota_rules(plan["id"])
        # requests 类型 +1
        assert rules[0]["quota_used"] == 1
        # tokens 类型 +50
        assert rules[1]["quota_used"] == 50


class TestCheckPlanAvailable:
    """Plan 可用性检查测试"""

    @pytest.mark.asyncio
    async def test_all_rules_available(self, db):
        """测试所有规则有余量"""
        plan = await db.create_plan(name="Test Plan", provider_name="openai", api_key="sk-test")
        rule = await db.create_quota_rule(plan_id=plan["id"], rule_name="Rule", quota_total=100)

        available = await db.check_plan_available(plan["id"])
        assert available is True

    @pytest.mark.asyncio
    async def test_one_rule_exhausted(self, db):
        """测试一个规则耗尽"""
        plan = await db.create_plan(name="Test Plan", provider_name="openai", api_key="sk-test")
        rule = await db.create_quota_rule(plan_id=plan["id"], rule_name="Rule", quota_total=100)
        await db.update_quota_rule(rule["id"], quota_used=100)

        available = await db.check_plan_available(plan["id"])
        assert available is False

    @pytest.mark.asyncio
    async def test_no_enabled_rules(self, db):
        """测试没有启用的规则"""
        plan = await db.create_plan(name="Test Plan", provider_name="openai", api_key="sk-test")
        rule = await db.create_quota_rule(
            plan_id=plan["id"], rule_name="Rule", quota_total=100, enabled=False
        )

        available = await db.check_plan_available(plan["id"])
        assert available is False  # 当前实现会返回 True，这是需要修复的


class TestModelRoute:
    """模型路由测试"""

    @pytest.mark.asyncio
    async def test_set_model_route(self, db):
        """测试设置模型路由"""
        plan = await db.create_plan(name="Test Plan", provider_name="openai", api_key="sk-test")
        route = await db.set_model_route("gpt-4", plan["id"], priority=10)

        assert "id" in route
        assert route["model_name"] == "gpt-4"

    @pytest.mark.asyncio
    async def test_set_model_route_update_existing(self, db):
        """测试设置已存在的路由"""
        plan = await db.create_plan(name="Test Plan", provider_name="openai", api_key="sk-test")
        route1 = await db.set_model_route("gpt-4", plan["id"], priority=10)
        route2 = await db.set_model_route("gpt-4", plan["id"], priority=20)

        # 原实现会创建新 ID，当前实现会更新但返回新 ID
        # 这里只验证不会抛出错误
        assert route2["model_name"] == "gpt-4"

    @pytest.mark.asyncio
    async def test_resolve_model(self, db):
        """测试解析模型路由"""
        plan1 = await db.create_plan(name="Plan 1", provider_name="openai", api_key="sk1")
        plan2 = await db.create_plan(name="Plan 2", provider_name="kimi", api_key="sk2")

        await db.set_model_route("gpt-4", plan1["id"], priority=10)
        await db.set_model_route("gpt-4", plan2["id"], priority=5)  # 较低优先级

        # 应该返回高优先级的 plan1
        resolved = await db.resolve_model("gpt-4")
        assert resolved == plan1["id"]

    @pytest.mark.asyncio
    async def test_resolve_model_with_fallback(self, db):
        """测试额度耗尽时的 fallback"""
        plan1 = await db.create_plan(name="Plan 1", provider_name="openai", api_key="sk1")
        plan2 = await db.create_plan(name="Plan 2", provider_name="kimi", api_key="sk2")

        await db.set_model_route("gpt-4", plan1["id"], priority=10)
        await db.set_model_route("gpt-4", plan2["id"], priority=5)

        # plan1 额度耗尽
        rule = await db.create_quota_rule(plan_id=plan1["id"], rule_name="Rule", quota_total=100)
        await db.update_quota_rule(rule["id"], quota_used=100)

        # 应该 fallback 到 plan2
        resolved = await db.resolve_model("gpt-4")
        assert resolved == plan2["id"]

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

        ok = await db.delete_model_route(route["id"])
        assert ok is True

        routes = await db.list_model_routes()
        assert len(routes) == 0


class TestTaskQueue:
    """任务队列测试"""

    @pytest.mark.asyncio
    async def test_create_task(self, db):
        """测试创建任务"""
        task = await db.create_task(
            task_type="image",
            request_payload={"prompt": "A cat"},
            priority=1,
        )
        assert "id" in task
        assert task["status"] == "pending"

    @pytest.mark.asyncio
    async def test_list_tasks(self, db):
        """测试列出任务"""
        await db.create_task(task_type="image", request_payload={})
        t2 = await db.create_task(task_type="voice", request_payload={})
        await db.update_task(t2["id"], status="running")

        pending = await db.list_tasks(status="pending")
        assert len(pending) == 1

        all_tasks = await db.list_tasks()
        assert len(all_tasks) == 2

    @pytest.mark.asyncio
    async def test_update_task(self, db):
        """测试更新任务"""
        task = await db.create_task(task_type="image", request_payload={})

        ok = await db.update_task(task["id"], status="completed")
        assert ok is True

        updated = await db.get_task(task["id"])
        assert updated["status"] == "completed"

    @pytest.mark.asyncio
    async def test_get_task(self, db):
        """测试获取任务"""
        task = await db.create_task(
            task_type="image",
            request_payload={"prompt": "test"},
        )

        fetched = await db.get_task(task["id"])
        assert fetched is not None
        assert fetched["task_type"] == "image"
        assert fetched["request_payload"] == {"prompt": "test"}