const { sequelize } = require('./models');
const { ApiUser, Order } = require('./models');
const bcrypt = require('bcryptjs');

// 演示账号数据
const demoUsers = [
  {
    username: 'admin',
    password: 'admin123',
    phone: '13800138001',
    email: 'admin@niumall.com',
    user_type: 'admin',
    status: 'active'
  },
  {
    username: 'buyer',
    password: 'buyer123',
    phone: '13800138002',
    email: 'buyer@niumall.com',
    user_type: 'client',
    status: 'active'
  },
  {
    username: 'trader',
    password: 'trader123',
    phone: '13800138003',
    email: 'trader@niumall.com',
    user_type: 'supplier',
    status: 'active'
  }
];

// 演示订单数据
const demoOrders = [
  {
    orderNo: 'ORD20240520001',
    buyerId: 2, // buyer用户
    buyerName: '采购商',
    supplierId: 3, // trader用户
    supplierName: '供应商',
    traderId: null,
    traderName: null,
    cattleBreed: '西门塔尔牛',
    cattleCount: 10,
    expectedWeight: 5000.00,
    actualWeight: null,
    unitPrice: 35.00,
    totalAmount: 175000.00,
    paidAmount: 50000.00,
    remainingAmount: 125000.00,
    status: 'pending',
    deliveryAddress: '北京市朝阳区某某路123号',
    expectedDeliveryDate: new Date('2024-06-01'),
    actualDeliveryDate: null,
    notes: '请按时交货，质量要保证'
  },
  {
    orderNo: 'ORD20240520002',
    buyerId: 2, // buyer用户
    buyerName: '采购商',
    supplierId: 3, // trader用户
    supplierName: '供应商',
    traderId: null,
    traderName: null,
    cattleBreed: '夏洛来牛',
    cattleCount: 5,
    expectedWeight: 2500.00,
    actualWeight: null,
    unitPrice: 38.00,
    totalAmount: 95000.00,
    paidAmount: 95000.00,
    remainingAmount: 0.00,
    status: 'confirmed',
    deliveryAddress: '北京市海淀区某某路456号',
    expectedDeliveryDate: new Date('2024-05-28'),
    actualDeliveryDate: null,
    notes: '加急订单'
  }
];

// 初始化数据库
const initDatabase = async () => {
  try {
    console.log('开始初始化数据库...');
    
    // 测试数据库连接
    await sequelize.authenticate();
    console.log('✅ 数据库连接成功');

    // 删除并重新创建表结构
    console.log('正在创建表结构...');
    await sequelize.sync({ force: true });
    console.log('✅ 表结构创建完成');

    // 添加演示用户
    console.log('正在添加演示用户...');
    for (const userData of demoUsers) {
      // 加密密码
      const salt = await bcrypt.genSalt(10);
      const passwordHash = await bcrypt.hash(userData.password, salt);
      
      try {
        await ApiUser.create({
          ...userData,
          password_hash: passwordHash
        });
        console.log(`✅ 成功创建用户: ${userData.username} (${userData.user_type})`);
      } catch (error) {
        console.error(`❌ 创建用户 ${userData.username} 时出错:`, error.message);
      }
    }

    // 添加演示订单
    console.log('正在添加演示订单...');
    for (const orderData of demoOrders) {
      try {
        await Order.create(orderData);
        console.log(`✅ 成功创建订单: ${orderData.orderNo}`);
      } catch (error) {
        console.error(`❌ 创建订单 ${orderData.orderNo} 时出错:`, error.message);
      }
    }

    console.log('✅ 数据库初始化完成');
  } catch (error) {
    console.error('❌ 数据库初始化失败:', error.message);
    console.error(error);
  } finally {
    // 关闭数据库连接
    await sequelize.close();
  }
};

// 执行初始化
initDatabase();