import { BookBackTaskStatus, BookBackTaskType, TaskExecuteType } from "../../../define/enum/bookEnum";
import { BookBackTaskListService } from "../../../define/db/service/Book/bookBackTaskListService";
import { Book } from "../../../model/book";

export default class BookBackTaskServiceBasic {
  bookBackTaskListService: BookBackTaskListService
  constructor() { }

  private async InitService() {
    if (!this.bookBackTaskListService) {
      this.bookBackTaskListService = await BookBackTaskListService.getInstance()
    }
  }

  /**
   * 添加一个后台任务
   * @param bookId 小说ID
   * @param taskType 后台任务类型
   * @param executeType 执行的类型，是不是自动执行
   * @param bookTaskId 小说批次任务ID
   * @param bookTaskDetailId  小说批次任务分镜ID
   * @param responseMessageName 消息名称
  */
  async AddBookBackTask(bookId: string,
    taskType: BookBackTaskType,
    executeType = TaskExecuteType.AUTO,
    bookTaskId = null,
    bookTaskDetailId = null,
    responseMessageName: string = null
  ): Promise<TaskModal.Task> {
    await this.InitService();
    let res = this.bookBackTaskListService.AddBookBackTask(bookId, taskType, executeType, bookTaskId, bookTaskDetailId, responseMessageName)
    if (res.code == 0) {
      throw new Error(res.message)
    }
    return res.data as TaskModal.Task
  }

  /**
   * 获取指定状态的任务数量
   * @param status 
   * @returns 
   */
  async GetAllStatusTaskCount(status: BookBackTaskStatus[]): Promise<number> {
    await this.InitService();
    let count = this.bookBackTaskListService.GetAllStatusTaskCount(status)
    return count;

  }

  /**
   * 修改后台队列的状态
   * @param bookBackTask 要修改的数据
   */
  async UpdateTaskStatus(bookBackTask: Book.UpdateBookTaskListStatus) {
    await this.InitService();
    this.bookBackTaskListService.UpdateTaskStatus(bookBackTask)
  }

  /**
   * 丢弃等待中和重新连接的任务
   */
  async GiveUpNotStartBackTask() {
    await this.InitService();
    let task = this.bookBackTaskListService.realm.objects('BookBackTaskList').filtered('status == $0 || status == $1', BookBackTaskStatus.WAIT, BookBackTaskStatus.RECONNECT);
    let ids = task.map((item) => {
      return item.id
    })
    // 讲所有的人物状态改为放弃，然后errmessage改为 此任务已丢弃
    this.bookBackTaskListService.transaction(() => {
      for (let i = 0; i < ids.length; i++) {
        const element = this.bookBackTaskListService.realm.objectForPrimaryKey('BookBackTaskList', ids[i]);
        element.status = BookBackTaskStatus.FAIL
        element.errorMessage = '任务被丢弃'
      }
    })
  }
}