import { userInfo } from "basic"

abstract class Query{
  pageNum: number = 1
  pageSize: number = 15
  total: number = 0
  /** 用户id */
  userId: string | null = userInfo.getId()

  // 重新请求
  reload() {
    this.pageNum = 1
    this.pageSize = 16
    this.total = 1
  }

  // 触底加载更多
  reachEnd(sourceLength: number): boolean {
    if(sourceLength < this.pageSize) {
      this.pageNum++
      return true
    }
    return false
  }

  // 页数回滚
  backPage() {
    this.pageNum--
  }

  // 设置 total
  setTotal(total?: string) {
    if(!total) return
    this.total = parseInt(total)
  }
}


/** 搜索书单 */
export class searchBookListQuery extends Query{
  /** 书单类型ID **/
  bookListTypeId?: string
  /** 书单名称 **/
  key?: string
}


/** 搜索书籍 */
@ObservedV2
export class searchBookQuery extends Query {
  /** 搜索关键词 */
  @Trace key?: string;
  /** 最大适读年龄 */
  @Trace maxAge?: number;
  /** 最小适读年龄 */
  @Trace minAge?: number;
  /** 排序方式 */
  @Trace sort: number = 0;
  /** 分类ID */
  @Trace typeId?: string;


  clone(): searchBookQuery {
    return {
      pageNum: this.pageNum,
      pageSize: this.pageSize,
      key: this.key,
      maxAge: this.maxAge,
      minAge: this.minAge,
      sort: this.sort,
      typeId: this.typeId,
      userId: this.userId
    } as ESObject
  }
}


/** 书包里的书本数据 */
@ObservedV2
export class bookPackageQuery extends Query{
  //  0代表全部 1代表可借 2代表已借光
  flag: number = 0;
}

// 用户订单数据
export class userOrderQuery extends Query{
  /** 订单状态 订单状态;待支付0/待出库1/待收书2/借阅中3/已超期4/待取书5/待验收6/已完成7/已关闭8 */
  statusCode?: number;
}