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

const SystemSetting = sequelize.define(
  'SystemSetting',
  {
    settingKey: {
      type: DataTypes.STRING(100),
      primaryKey: true,
      allowNull: false,
      comment: '设置键名',
    },
    settingValue: {
      type: DataTypes.TEXT,
      allowNull: true,
      comment: '设置值(JSON格式)',
    },
    settingType: {
      type: DataTypes.STRING(20),
      allowNull: false,
      defaultValue: 'string',
      comment: '设置类型: string, number, boolean, json, array',
    },
    category: {
      type: DataTypes.STRING(50),
      allowNull: false,
      defaultValue: 'general',
      comment: '设置分类: general, appearance, backup, about',
    },
    description: {
      type: DataTypes.STRING(255),
      allowNull: true,
      comment: '设置描述',
    },
    isEditable: {
      type: DataTypes.BOOLEAN,
      allowNull: false,
      defaultValue: true,
      comment: '是否可编辑',
    },
  },
  {
    tableName: 'system_settings',
    timestamps: true,
    indexes: [{ fields: ['category'] }],
  }
);

module.exports = SystemSetting;