'use strict';

module.exports = {
  up: async (queryInterface, Sequelize) => {
    await queryInterface.createTable('system_configs', {
      id: {
        type: Sequelize.INTEGER,
        primaryKey: true,
        autoIncrement: true,
        allowNull: false,
        comment: '配置ID',
      },
      config_key: {
        type: Sequelize.STRING(128),
        allowNull: false,
        unique: true,
        comment: '配置键名（唯一）',
      },
      config_value: {
        type: Sequelize.TEXT,
        allowNull: true,
        comment: '配置值',
      },
      created_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP'),
        comment: '创建时间',
      },
      updated_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'),
        comment: '更新时间',
      },
    });
  },

  down: async (queryInterface, Sequelize) => {
    await queryInterface.dropTable('system_configs');
  },
};