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

/**
 * 耗材操作日志归档表
 * 用于存储被删除耗材的历史操作记录
 */
const ConsumableLogArchive = sequelize.define('ConsumableLogArchive', {
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true
  },
  archiveId: {
    type: DataTypes.STRING,
    allowNull: false,
    comment: '归档记录唯一标识'
  },
  consumableId: {
    type: DataTypes.STRING,
    allowNull: false,
    comment: '被删除的耗材ID'
  },
  consumableName: {
    type: DataTypes.STRING,
    allowNull: false,
    comment: '耗材名称'
  },
  consumableSnapshot: {
    type: DataTypes.JSON,
    allowNull: true,
    comment: '耗材快照信息'
  },
  totalOperations: {
    type: DataTypes.INTEGER,
    defaultValue: 0,
    comment: '操作记录总数'
  },
  firstOperationAt: {
    type: DataTypes.DATE,
    comment: '首次操作时间'
  },
  lastOperationAt: {
    type: DataTypes.DATE,
    comment: '最后操作时间'
  },
  totalInQuantity: {
    type: DataTypes.INTEGER,
    defaultValue: 0,
    comment: '总入库数量'
  },
  totalOutQuantity: {
    type: DataTypes.INTEGER,
    defaultValue: 0,
    comment: '总出库数量'
  },
  finalStock: {
    type: DataTypes.INTEGER,
    defaultValue: 0,
    comment: '删除时库存'
  },
  deletedBy: {
    type: DataTypes.STRING,
    comment: '删除人'
  },
  deletedAt: {
    type: DataTypes.DATE,
    comment: '删除时间'
  },
  deleteReason: {
    type: DataTypes.STRING,
    comment: '删除原因'
  }
}, {
  tableName: 'consumable_log_archives',
  timestamps: true,
  comment: '耗材操作日志归档表',
  indexes: [
    { fields: ['consumableId'] },
    { fields: ['archiveId'] },
    { fields: ['deletedAt'] },
    { fields: ['consumableId', 'deletedAt'] }
  ]
});

module.exports = ConsumableLogArchive;