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

const Category = sequelize.define('Category', {
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true,
    comment: '类目ID'
  },
  name: {
    type: DataTypes.STRING(50),
    allowNull: false,
    comment: '类目名称'
  },
  code: {
    type: DataTypes.STRING(50),
    allowNull: false,
    comment: '类目编码'
  },
  type: {
    type: DataTypes.ENUM('income', 'expense'),
    allowNull: false,
    comment: '类型：income-收入，expense-支出'
  },
  sort: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0,
    comment: '排序号'
  },
  status: {
    type: DataTypes.ENUM('active', 'inactive'),
    allowNull: false,
    defaultValue: 'active',
    comment: '状态：active-启用，inactive-禁用'
  },
  isDefault: {
    type: DataTypes.TINYINT,
    allowNull: false,
    defaultValue: 0,
    comment: '是否默认类目（0：否，1：是）'
  },
  tenantId: {
    type: DataTypes.INTEGER,
    allowNull: false,
    comment: '租户ID'
  },
  createBy: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: '创建人ID'
  },
  updateBy: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: '修改人ID'
  },
  isDeleted: {
    type: DataTypes.INTEGER,
    allowNull: false,
    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: 'categories',
  timestamps: false,
  comment: '收支类目表',
  indexes: [
    {
      fields: ['tenantId'],
      name: 'idx_tenant'
    },
    {
      fields: ['type'],
      name: 'idx_type'
    },
    {
      fields: ['status'],
      name: 'idx_status'
    },
    {
      fields: ['code'],
      name: 'idx_code'
    }
  ]
});

module.exports = Category;