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

const InventoryRecord = sequelize.define('InventoryRecord', {
  recordId: {
    type: DataTypes.STRING,
    primaryKey: true,
    allowNull: false,
    unique: true
  },
  taskId: {
    type: DataTypes.STRING,
    allowNull: false
  },
  planId: {
    type: DataTypes.STRING,
    allowNull: false
  },
  deviceId: {
    type: DataTypes.STRING,
    allowNull: false
  },
  deviceName: {
    type: DataTypes.STRING,
    allowNull: true
  },
  deviceType: {
    type: DataTypes.STRING,
    allowNull: true
  },
  serialNumber: {
    type: DataTypes.STRING,
    allowNull: true,
    comment: '系统记录的序列号'
  },
  actualSerialNumber: {
    type: DataTypes.STRING,
    allowNull: true,
    comment: '实际盘点序列号'
  },
  rackId: {
    type: DataTypes.STRING,
    allowNull: true,
    comment: '系统记录的机柜'
  },
  actualRackId: {
    type: DataTypes.STRING,
    allowNull: true,
    comment: '实际盘点机柜'
  },
  position: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: '系统记录的位置'
  },
  actualPosition: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: '实际盘点位置'
  },
  status: {
    type: DataTypes.STRING,
    defaultValue: 'pending',
    comment: 'pending:待盘点, normal:正常, abnormal:异常, missed:未盘点, not_found:未找到'
  },
  abnormalType: {
    type: DataTypes.STRING,
    allowNull: true,
    comment: 'serial_mismatch:序列号不符, position_mismatch:位置不符, device_missing:设备缺失, extra_device:多出设备'
  },
  checkedBy: {
    type: DataTypes.STRING,
    allowNull: true
  },
  checkedAt: {
    type: DataTypes.DATE,
    allowNull: true
  },
  remark: {
    type: DataTypes.TEXT,
    allowNull: true
  },
  photoUrl: {
    type: DataTypes.STRING,
    allowNull: true,
    comment: '盘点照片'
  }
}, {
  tableName: 'inventory_records',
  timestamps: true,
  indexes: [
    { fields: ['taskId'] },
    { fields: ['planId'] },
    { fields: ['deviceId'] },
    { fields: ['status'] },
    { fields: ['checkedBy'] }
  ]
});

module.exports = InventoryRecord;