import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import { DataSource } from 'typeorm';
import { IntegrationTestDatabase, setupIntegrationDatabaseHooksWithEntities } from '@d8d/shared-test-util';
import { UserEntityMt, RoleMt } from '@d8d/user-module-mt';
import { DeliveryAddressMt } from '@d8d/delivery-address-module-mt';
import { AreaEntityMt } from '@d8d/geo-areas-mt';
import { MerchantMt } from '@d8d/merchant-module-mt';
import { SupplierMt } from '@d8d/supplier-module-mt';
import { FileMt } from '@d8d/file-module-mt';
import { GoodsMt, GoodsCategoryMt } from '@d8d/goods-module-mt';
import { OrderMt, OrderGoodsMt, OrderRefundMt } from '../../src/entities';
import { OrderTimeoutSchedulerService } from '../../src/services/order-timeout-scheduler.service';
import { OrdersTestFactory } from '../factories/orders-test-factory';

// 设置集成测试钩子
setupIntegrationDatabaseHooksWithEntities([
  UserEntityMt, RoleMt, OrderMt, OrderGoodsMt, OrderRefundMt, DeliveryAddressMt, MerchantMt, SupplierMt, FileMt, AreaEntityMt, GoodsMt, GoodsCategoryMt
])

describe('订单超时调度器集成测试', () => {
  let dataSource: DataSource;
  let schedulerService: OrderTimeoutSchedulerService;
  let testFactory: OrdersTestFactory;
  let testUser: UserEntityMt;

  beforeEach(async () => {
    // 获取数据源
    dataSource = await IntegrationTestDatabase.getDataSource();

    // 创建测试工厂
    testFactory = new OrdersTestFactory(dataSource);

    // 创建测试用户
    testUser = await testFactory.createTestUser(1);

    // 创建调度器服务（特定租户）
    schedulerService = new OrderTimeoutSchedulerService(dataSource, 1);
  });

  afterEach(async () => {
    // 清理测试数据
    await testFactory.cleanup();
  });

  describe('超时订单检测逻辑', () => {
    it('应该正确识别24小时前创建的未支付订单为超时订单', async () => {
      // 创建一个未支付订单
      const testOrder = await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        payState: 0, // 未支付
        state: 0,    // 未发货
        expireTime: null // 无过期时间
      });

      // 更新订单创建时间为25小时前
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);
      const orderRepository = dataSource.getRepository(OrderMt);
      await orderRepository.update(
        { id: testOrder.id, tenantId: 1 },
        { createdAt: twentyFiveHoursAgo }
      );

      // 手动触发处理以检查是否能检测到超时订单
      const result = await schedulerService.triggerManualProcess(1);

      // 验证处理结果
      expect(result.success).toBe(true);
      expect(result.processedOrders).toBeGreaterThan(0);
      expect(result.message).toContain('成功处理');

      // 验证订单状态已更新为关闭
      const updatedOrder = await orderRepository.findOne({
        where: { id: testOrder.id, tenantId: 1 }
      });

      expect(updatedOrder).toBeDefined();
      expect(updatedOrder!.payState).toBe(5); // 订单关闭
      expect(updatedOrder!.cancelReason).toBe('订单超时未支付，系统自动取消');
      expect(updatedOrder!.cancelTime).toBeDefined();
    });

    it('不应该识别23小时前创建的未支付订单为超时订单', async () => {
      // 创建一个23小时前创建的未支付订单（不到24小时）
      const twentyThreeHoursAgo = new Date();
      twentyThreeHoursAgo.setHours(twentyThreeHoursAgo.getHours() - 23);

      await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        createdAt: twentyThreeHoursAgo,
        payState: 0, // 未支付
        state: 0     // 未发货
      });

      // 手动触发处理
      const result = await schedulerService.triggerManualProcess(1);

      // 验证没有处理任何订单
      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(0);
    });

    it('不应该识别已支付的订单为超时订单', async () => {
      // 创建一个25小时前创建的已支付订单
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      const testOrder = await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 2, // 已支付
        state: 0     // 未发货
      });

      // 手动触发处理
      const result = await schedulerService.triggerManualProcess(1);

      // 验证没有处理已支付订单
      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(0);

      // 验证订单状态未改变
      const orderRepository = dataSource.getRepository(OrderMt);
      const updatedOrder = await orderRepository.findOne({
        where: { id: testOrder.id, tenantId: 1 }
      });

      expect(updatedOrder).toBeDefined();
      expect(updatedOrder!.payState).toBe(2); // 保持已支付状态
    });

    it('不应该识别已发货的订单为超时订单', async () => {
      // 创建一个25小时前创建的未支付但已发货的订单
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      const testOrder = await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 0, // 未支付
        state: 1     // 已发货
      });

      // 手动触发处理
      const result = await schedulerService.triggerManualProcess(1);

      // 验证没有处理已发货订单
      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(0);
    });

    it('应该考虑订单过期时间(expireTime)', async () => {
      // 创建一个25小时前创建的订单，已设置过期时间为10小时前
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      const tenHoursAgo = new Date();
      tenHoursAgo.setHours(tenHoursAgo.getHours() - 10);

      const testOrder = await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 0, // 未支付
        state: 0,    // 未发货
        expireTime: tenHoursAgo // 已过期
      });

      // 手动触发处理
      const result = await schedulerService.triggerManualProcess(1);

      // 验证处理了过期订单（创建时间超过24小时且已过期）
      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(1);
    });

    it('不应该处理未来过期时间的订单', async () => {
      // 创建一个25小时前创建的订单，但过期时间在未来
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      const futureTime = new Date();
      futureTime.setHours(futureTime.getHours() + 1); // 1小时后过期

      await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 0, // 未支付
        state: 0,    // 未发货
        expireTime: futureTime // 未来才过期
      });

      // 手动触发处理
      const result = await schedulerService.triggerManualProcess(1);

      // 验证没有处理（因为过期时间还没到）
      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(0);
    });
  });

  describe('手动触发处理功能', () => {
    it('应该能够手动触发处理指定租户的超时订单', async () => {
      // 为租户1创建超时订单
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      const order1 = await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 0,
        state: 0
      });

      // 手动触发处理租户1
      const result = await schedulerService.triggerManualProcess(1);

      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(1);
      expect(result.message).toContain('成功处理 1 个超时订单');
    });

    it('应该正确处理多个超时订单', async () => {
      // 创建多个超时订单
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      // 创建3个超时订单
      for (let i = 0; i < 3; i++) {
        await testFactory.createTestOrder(testUser.id, {
          tenantId: 1,
          createdAt: twentyFiveHoursAgo,
          payState: 0,
          state: 0
        });
      }

      // 手动触发处理
      const result = await schedulerService.triggerManualProcess(1);

      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(3);
    });

    it('应该处理订单状态在检查期间发生变化的情况', async () => {
      // 创建一个超时订单
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      const testOrder = await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 0,
        state: 0
      });

      // 在手动处理前，先手动支付订单
      const orderRepository = dataSource.getRepository(OrderMt);
      await orderRepository.update(
        { id: testOrder.id, tenantId: 1 },
        { payState: 2, updatedAt: new Date() }
      );

      // 手动触发处理
      const result = await schedulerService.triggerManualProcess(1);

      // 验证没有处理已支付的订单
      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(0);

      // 验证订单状态仍然是已支付
      const updatedOrder = await orderRepository.findOne({
        where: { id: testOrder.id, tenantId: 1 }
      });
      expect(updatedOrder!.payState).toBe(2);
    });

    it('应该恢复超时订单的商品库存', async () => {
      // 创建测试商品
      const testGoods = await testFactory.createTestGoods(testUser.id, {
        tenantId: 1,
        stock: 10
      });

      // 创建超时订单
      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      const testOrder = await testFactory.createTestOrder(testUser.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 0,
        state: 0
      });

      // 创建订单商品（购买2个）
      await testFactory.createTestOrderGoods(testOrder.id, testGoods.id, {
        tenantId: 1,
        num: 2
      });

      // 手动触发处理
      const result = await schedulerService.triggerManualProcess(1);

      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(1);

      // 验证商品库存已恢复
      const goodsRepository = dataSource.getRepository(GoodsMt);
      const updatedGoods = await goodsRepository.findOne({
        where: { id: testGoods.id, tenantId: 1 }
      });

      expect(Number(updatedGoods!.stock)).toBe(12); // 原库存10 + 退回2 = 12
    });

    it('处理失败时应该返回错误信息', async () => {
      // 创建未指定租户的调度器（tenantId为null）
      const invalidScheduler = new OrderTimeoutSchedulerService(dataSource);

      // 尝试处理但不指定租户ID
      const result = await invalidScheduler.triggerManualProcess();

      expect(result.success).toBe(false);
      expect(result.processedOrders).toBe(0);
      expect(result.message).toContain('未指定租户ID');
    });
  });

  describe('调度器生命周期管理', () => {
    it('应该能够成功启动和停止调度器', async () => {
      // 启动调度器
      await schedulerService.start();

      // 验证调度器状态
      const status = schedulerService.getStatus();
      expect(status.isRunning).toBe(true);
      expect(status.tenantId).toBe(1);
      expect(status.checkInterval).toBe('*/5 * * * *'); // 默认检查间隔

      // 停止调度器
      await schedulerService.stop();

      // 验证调度器已停止
      const stoppedStatus = schedulerService.getStatus();
      expect(stoppedStatus.isRunning).toBe(false);
    });

    it('重复启动调度器应该抛出错误', async () => {
      // 第一次启动
      await schedulerService.start();

      // 第二次启动应该失败
      await expect(schedulerService.start()).rejects.toThrow('订单超时调度器已经在运行中');

      // 清理：停止调度器
      await schedulerService.stop();
    });

    it('停止未运行的调度器应该抛出错误', async () => {
      await expect(schedulerService.stop()).rejects.toThrow('订单超时调度器未在运行中');
    });

    it('健康检查应该返回正确的状态', async () => {
      // 调度器未启动时的健康检查
      let health = await schedulerService.healthCheck();
      expect(health.healthy).toBe(false);
      expect(health.isRunning).toBe(false);
      expect(health.timestamp).toBeInstanceOf(Date);

      // 启动调度器后的健康检查
      await schedulerService.start();
      health = await schedulerService.healthCheck();
      expect(health.healthy).toBe(true);
      expect(health.isRunning).toBe(true);

      // 停止调度器
      await schedulerService.stop();
    });
  });

  describe('租户数据隔离', () => {
    it('应该只处理指定租户的超时订单', async () => {
      // 创建租户1的用户和订单
      const tenant1User = await testFactory.createTestUser(1);
      const tenant2User = await testFactory.createTestUser(2);

      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      // 租户1的超时订单
      await testFactory.createTestOrder(tenant1User.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 0,
        state: 0
      });

      // 租户2的超时订单
      await testFactory.createTestOrder(tenant2User.id, {
        tenantId: 2,
        createdAt: twentyFiveHoursAgo,
        payState: 0,
        state: 0
      });

      // 创建租户1的调度器
      const tenant1Scheduler = new OrderTimeoutSchedulerService(dataSource, 1);

      // 处理租户1
      const result = await tenant1Scheduler.triggerManualProcess(1);

      // 验证只处理了租户1的订单
      expect(result.success).toBe(true);
      expect(result.processedOrders).toBe(1);

      // 验证租户2的订单未被处理
      const orderRepository = dataSource.getRepository(OrderMt);
      const tenant2Orders = await orderRepository.find({
        where: { tenantId: 2, payState: 0 }
      });

      expect(tenant2Orders.length).toBe(1); // 租户2的订单仍然是未支付状态
    });

    it('应该能够处理多个租户的超时订单', async () => {
      // 创建多个租户的用户和订单
      const tenant1User = await testFactory.createTestUser(1);
      const tenant2User = await testFactory.createTestUser(2);
      const tenant3User = await testFactory.createTestUser(3);

      const twentyFiveHoursAgo = new Date();
      twentyFiveHoursAgo.setHours(twentyFiveHoursAgo.getHours() - 25);

      // 每个租户创建一个超时订单
      await testFactory.createTestOrder(tenant1User.id, {
        tenantId: 1,
        createdAt: twentyFiveHoursAgo,
        payState: 0,
        state: 0
      });

      await testFactory.createTestOrder(tenant2User.id, {
        tenantId: 2,
        createdAt: twentyFiveHoursAgo,
        payState: 0,
        state: 0
      });

      await testFactory.createTestOrder(tenant3User.id, {
        tenantId: 3,
        createdAt: twentyFiveHoursAgo,
        payState: 0,
        state: 0
      });

      // 创建未指定租户的调度器（可以处理多个租户）
      const globalScheduler = new OrderTimeoutSchedulerService(dataSource);

      // 为每个租户单独处理
      const result1 = await globalScheduler.triggerManualProcess(1);
      const result2 = await globalScheduler.triggerManualProcess(2);
      const result3 = await globalScheduler.triggerManualProcess(3);

      // 验证每个租户都处理成功
      expect(result1.success).toBe(true);
      expect(result2.success).toBe(true);
      expect(result3.success).toBe(true);
      expect(result1.processedOrders + result2.processedOrders + result3.processedOrders).toBe(3);

      // 验证所有订单都被关闭
      const orderRepository = dataSource.getRepository(OrderMt);
      const openOrders = await orderRepository.find({
        where: { payState: 0 }
      });

      expect(openOrders.length).toBe(0); // 所有未支付订单都应被关闭
    });
  });
});