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

const Expense = sequelize.define('Expense', {
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true,
    comment: '支出ID'
  },
  date: {
    type: DataTypes.DATE,
    allowNull: false,
    comment: '支出日期'
  },
  amount: {
    type: DataTypes.DECIMAL(10, 2),
    allowNull: false,
    comment: '支出金额'
  },
  category: {
    type: DataTypes.STRING(50),
    allowNull: false,
    comment: '支出类别'
  },
  remark: {
    type: DataTypes.STRING(255),
    allowNull: true,
    comment: '备注'
  },
  createBy: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: '创建人ID'
  },
  createTime: {
    type: DataTypes.DATE,
    defaultValue: DataTypes.NOW,
    comment: '创建时间'
  },
  updateBy: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: '修改人ID'
  },
  updateTime: {
    type: DataTypes.DATE,
    defaultValue: DataTypes.NOW,
    onUpdate: DataTypes.NOW,
    comment: '更新时间'
  },
  isDeleted: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0,
    comment: '删除状态（0：未删除，1：已删除）'
  }
}, {
  tableName: 'expenses',
  timestamps: false
});

module.exports = Expense;