const { DataTypes } = require('sequelize');
const sequelize = require('../config/db');

const PricingConfig = sequelize.define('PricingConfig', {
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true,
    comment: 'ID'
  },
  // 注意：混合计费模式下，基础费用来自套餐的 monthlyPrice
  // 此表只配置超额使用的单价
  overageApartmentPrice: {
    type: DataTypes.DECIMAL(10, 2),
    defaultValue: 10.00,
    comment: '超额公寓单价(每栋/月)'
  },
  overageRoomPrice: {
    type: DataTypes.DECIMAL(10, 2),
    defaultValue: 2.00,
    comment: '超额房间单价(每间/月)'
  },
  overageUserPrice: {
    type: DataTypes.DECIMAL(10, 2),
    defaultValue: 5.00,
    comment: '超额用户单价(每人/月)'
  },
  currency: {
    type: DataTypes.STRING(10),
    defaultValue: 'CNY',
    comment: '货币'
  },
  effectiveDate: {
    type: DataTypes.DATE,
    defaultValue: DataTypes.NOW,
    comment: '生效日期'
  },
  isActive: {
    type: DataTypes.BOOLEAN,
    defaultValue: true,
    comment: '是否生效'
  },
  isDeleted: {
    type: DataTypes.INTEGER,
    defaultValue: 0,
    comment: '删除状态（0：未删除，1：已删除）'
  },
  createTime: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW,
    comment: '创建时间'
  },
  updateTime: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW,
    comment: '更新时间'
  }
}, {
  tableName: 'pricing_configs',
  timestamps: false,
  comment: '定价配置表'
});

module.exports = PricingConfig;