import { Logger, StringUtils } from 'wdKit';
import { ResponseDTO, } from 'wdNetwork';
import { ContentDetailDTO } from '../repository/bean/ContentDetailDTO';
import { PageRepository } from '../repository/PageRepository';
import { BaseViewModel } from './BaseViewModel';

const TAG = 'DetailViewModel';

/**
 * 处理返回后的数据
 */
export class DetailViewModel extends BaseViewModel {
  getLogTag() {
    return TAG;
  }

  /**
   * 获取详情数据.
   * 例：https://pd-apis-uat.pdnews.cn/api/rmrb-bff-display-zh/content/zh/c/content/detail?relId=500000008738&contentId=30001373964&relType=1
   * @return {string} resDTO.data
   */
  async getDetailPageData(relId: string, contentId: string, relType: string): Promise<string> {
    Logger.debug(TAG, 'getDetailPageData contentId: ' + contentId);
    return new Promise<string>((success, error) => {
      PageRepository.fetchDetailData(relId, contentId, relType)
        .then((resDTO: ResponseDTO<string>) => {
          if (this.isRespondsInvalid(resDTO, 'getDetailPageData')) {
            error("detail data invalid");
            return
          }
          Logger.info(TAG, "getDetailPageData then,resDTO.timeStamp:" + resDTO.timestamp);
          success(JSON.stringify(resDTO.data));
        })
        .catch((err: Error) => {
          Logger.error(TAG, `getDetailPageData catch, error.name : ${err.name},  error.message:${err.message}`);
          error(err);
        })
    })
  }

  private dataTranslate(json: string): ContentDetailDTO {
    if (StringUtils.isEmpty(json)) {
      return null;
    }
    try {
      let data: ContentDetailDTO = JSON.parse(json)
      return data;
    } catch (err) {
      // json解析异常
      Logger.error(TAG, `dataTranslate catch parse failed.: ${err}`);
    }
    return null;
  }
}

let detailViewModel = new DetailViewModel();

export default detailViewModel as DetailViewModel;