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

const TicketOperationRecord = sequelize.define(
  'TicketOperationRecord',
  {
    recordId: {
      type: DataTypes.STRING,
      primaryKey: true,
      allowNull: false,
      unique: true,
    },
    ticketId: {
      type: DataTypes.STRING,
      allowNull: false,
      comment: '关联工单ID',
    },
    operationType: {
      type: DataTypes.STRING,
      allowNull: false,
      comment: '操作类型: create/update/status_change/assignment/comment/attachment',
    },
    operationDescription: {
      type: DataTypes.TEXT,
      comment: '操作描述',
    },
    operatorId: {
      type: DataTypes.STRING,
      allowNull: false,
      comment: '操作人ID',
    },
    operatorName: {
      type: DataTypes.STRING,
      allowNull: false,
      comment: '操作人姓名',
    },
    operatorRole: {
      type: DataTypes.STRING,
      comment: '操作人角色',
    },
    operationSteps: {
      type: DataTypes.JSON,
      defaultValue: [],
      comment: '操作步骤详情',
    },
    spareParts: {
      type: DataTypes.JSON,
      defaultValue: [],
      comment: '使用的备件列表',
    },
    beforeState: {
      type: DataTypes.JSON,
      comment: '操作前状态',
    },
    afterState: {
      type: DataTypes.JSON,
      comment: '操作后状态',
    },
    duration: {
      type: DataTypes.INTEGER,
      comment: '操作耗时(分钟)',
    },
    result: {
      type: DataTypes.STRING,
      comment: '操作结果: success/failed/partial',
    },
    notes: {
      type: DataTypes.TEXT,
      comment: '备注信息',
    },
    attachments: {
      type: DataTypes.JSON,
      defaultValue: [],
      comment: '附件',
    },
    metadata: {
      type: DataTypes.JSON,
      defaultValue: {},
      comment: '扩展字段',
    },
  },
  {
    tableName: 'ticket_operation_records',
    timestamps: true,
    indexes: [
      { fields: ['ticketId'] },
      { fields: ['operatorId'] },
      { fields: ['operationType'] },
      { fields: ['createdAt'] },
    ],
  }
);

module.exports = TicketOperationRecord;