import { NavigationBodyDTO, NavigationDetailDTO, } from 'wdBean';

import { Logger } from 'wdKit';
import { CacheData, ResponseDTO } from 'wdNetwork';
import { PageRepository } from '../repository/PageRepository';

const TAG = 'ChannelViewModel';

/**
 * 首页底导、顶导相关
 */
export class ChannelViewModel {
  /**
   * 获取底导缓存数据
   */
  async getBottomNavCacheData(): Promise<NavigationBodyDTO | null> {
    Logger.info(TAG, `getBottomNavCacheData start`);
    return new Promise<NavigationBodyDTO | null>((success) => {
      CacheData.getLocalCacheData(CacheData.bottomCacheKey).then((data) => {
        // Logger.debug(TAG, 'getBottomNavCacheData 333 ' + JSON.stringify(data));
        if (data) {
          let navBean = JSON.parse(CacheData.getNetworkData(data)) as NavigationBodyDTO
          success(navBean)
        } else {
          success(null)
        }
      }).catch((err: object) => {
        Logger.error(TAG, 'getBottomNavCacheData catch err: ' + JSON.stringify(err));
        success(null)
      })
    });
  }

  /**
   * 保存底导数据到缓存
   */
  saveBottomData(data: NavigationBodyDTO) {
    CacheData.saveCacheData(CacheData.bottomCacheKey, data, data.md5)
  }

  /**
   * 获取底导详情（顶导）缓存数据
   */
  getBottomNavDetailCacheData(id: number): Promise<NavigationDetailDTO | null> {
    return new Promise<NavigationDetailDTO | null>((success) => {
      CacheData.getLocalCacheData(CacheData.channelCacheDataKey + id).then((data) => {
        if (data) {
          let navBean = JSON.parse(CacheData.getNetworkData(data)) as NavigationDetailDTO
          success(navBean)
        } else {
          success(null)
        }
      }).catch((err: object) => {
        Logger.error(TAG, 'getBottomNavDetailCacheData catch err: ' + JSON.stringify(err));
        success(null)
      })
    })
  }

  /**
   * 保存底导详情数据到缓存
   */
  saveBottomDetailData(data: NavigationDetailDTO) {
    CacheData.saveCacheData(CacheData.channelCacheDataKey + data?.id, data, data.md5)
  }

  /**
   * 获取底导接口数据
   */
  async getBottomNavData(): Promise<NavigationBodyDTO> {
    Logger.info(TAG, `getBottomNavData start`);
    return this.getNavData();
  }

  /**
   * 获取底导详情（顶导）接口数据
   */
  async getBottomNavDetailData(id: number): Promise<NavigationDetailDTO> {
    Logger.info(TAG, `getBottomNavDetailData start`);
    return this.getNavDetailData(id);
  }

  private getNavData(): Promise<NavigationBodyDTO> {
    return new Promise<NavigationBodyDTO>((success, error) => {
      Logger.info(TAG, `getNavData start`);
      PageRepository.fetchNavigationDataApi().then((navResDTO: ResponseDTO<NavigationBodyDTO>) => {
        if (!navResDTO || !navResDTO.data) {
          Logger.error(TAG, 'getNavData then navResDTO is empty');
          error('navResDTO is empty');
          return
        }
        if (navResDTO.code != 0) {
          Logger.error(TAG, `getNavData then code:${navResDTO.code}, message:${navResDTO.message}`);
          error('navResDTO Response Code is failure');
          return
        }
        // let navResStr = JSON.stringify(navResDTO);
        Logger.info(TAG, "getNavData then,navResDTO.timestamp:" + navResDTO.timestamp);
        navResDTO.data.md5 = navResDTO.meta?.md5 || ''
        success(navResDTO.data);
      }).catch((err: Error) => {
        Logger.error(TAG, `fetchNavigationDataApi catch, error.name : ${err.name},  error.message:${err.message}`);
        error(err);
      })
    })
  }

  private getNavDetailData(id: number): Promise<NavigationDetailDTO> {
    return new Promise<NavigationDetailDTO>((success, error) => {
      Logger.info(TAG, `getNavData start`);
      PageRepository.fetchNavigationDetailDataApi(id).then((navResDTO: ResponseDTO<NavigationDetailDTO>) => {
        if (!navResDTO || !navResDTO.data) {
          Logger.error(TAG, 'getNavData then navResDTO is empty');
          error('navResDTO is empty');
          return
        }
        if (navResDTO.code != 0) {
          Logger.error(TAG, `getNavData then code:${navResDTO.code}, message:${navResDTO.message}`);
          error('navResDTO Response Code is failure');
          return
        }
        // let navResStr = JSON.stringify(navResDTO);
        Logger.info(TAG, "getNavData then,navResDTO.timestamp:" + navResDTO.timestamp);
        navResDTO.data.md5 = navResDTO.meta?.md5 || ''
        success(navResDTO.data);
      }).catch((err: Error) => {
        Logger.error(TAG, `fetchNavigationDataApi catch, error.name : ${err.name},  error.message:${err.message}`);
        error(err);
      })
    })
  }
}


let channelViewModel = new ChannelViewModel();

export default channelViewModel as ChannelViewModel;