import { NavigationBodyDTO, PageDTO } from 'wdBean';
import { Logger, ResourcesUtils } from 'wdKit';
import { ResponseDTO, } from 'wdNetwork';
import { PageRepository } from '../repository/PageRepository';
import { BaseViewModel } from './BaseViewModel';

const TAG = 'PageViewModel';
/**
 * mock数据开关，默认关。
 * mock数据是本地json数据，可自行修改内容（‘entry\src\main\resources\rawfile\’目录）
 */
const mock_switch = true;

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

  /**
   * get Nav Data from Resource .
   *
   * @return BottomNavBean[] Nav Data List
   */
  async getBottomNavData(context: Context): Promise<NavigationBodyDTO> {
    Logger.info(TAG, `getBottomNavData start`);
    if (mock_switch) {
      return this.getBottomNavDataMock(context);
    }
    return this.getNavData();
  }

  async getBottomNavDataMock(context: Context): Promise<NavigationBodyDTO> {
    Logger.info(TAG, `getBottomNavDataMock start`);
    let compRes: ResponseDTO<NavigationBodyDTO> | null = await ResourcesUtils.getResourcesJson<ResponseDTO<NavigationBodyDTO>>(context, 'bottom_nav.json');
    if (!compRes || !compRes.data) {
      Logger.info(TAG, `getBottomNavDataMock compRes bottomNavList is empty`);
      return {} as NavigationBodyDTO
    }
    Logger.info(TAG, `getBottomNavDataMock getResourcesJsonSync compRes : ${JSON.stringify(compRes)}`);
    return compRes.data
  }

  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);
        success(navResDTO.data);
      }).catch((err: Error) => {
        Logger.error(TAG, `fetchNavigationDataApi catch, error.name : ${err.name},  error.message:${err.message}`);
        error(err);
      })
    })
  }

  /**
   * Get PageDTO data.
   *
   * @return {GroupDTO} compRes.data
   */
  private async getPageData1(currentPage: number, context: Context): Promise<PageDTO> {
    if (currentPage > 1) {
      // 加载更多，返回无数据
      return {} as PageDTO
    }
    let compRes: ResponseDTO<PageDTO> | null = await ResourcesUtils.getResourcesJson<ResponseDTO<PageDTO>>(context, 'comp_list0.json');
    if (!compRes || !compRes.data) {
      Logger.info(TAG, `getCompList compRes is empty`);
      return {} as PageDTO
    }
    Logger.info(TAG, `getCompList getResourcesJson compRes : ${JSON.stringify(compRes)}`);
    return compRes.data
  }

  /**
   * Get Group data.
   *
   * @return {GroupDTO} compRes.data
   * @deprecated
   */
  private async getPageData2(context: Context): Promise<PageDTO> {
    let compRes: ResponseDTO<PageDTO> | null = await ResourcesUtils.getResourcesJson<ResponseDTO<PageDTO>>(context, 'comp_list2.json');
    if (!compRes || !compRes.data) {
      Logger.info(TAG, `getCompList compRes is empty`);
      return {} as PageDTO
    }
    // router.push('')
    Logger.info(TAG, `getCompList getResourcesJson compRes : ${JSON.stringify(compRes)}`);
    return compRes.data
  }

  async getPageData(pageId: string, groupId: string, channelId: string, currentPage: number
    , pageSize: number, context: Context): Promise<PageDTO> {
    Logger.debug(TAG, 'getPageData pageId: ' + pageId);
    if (mock_switch) {
      return this.getPageData1(currentPage, context);
    }
    return new Promise<PageDTO>((success, error) => {
      PageRepository.fetchPageData(pageId, groupId, channelId, currentPage, pageSize)
        .then((resDTO: ResponseDTO<PageDTO>) => {
          if (!resDTO || !resDTO.data) {
            Logger.error(TAG, 'getNavData then resDTO is empty');
            error('resDTO is empty');
            return
          }
          if (resDTO.code != 0) {
            Logger.error(TAG, `getNavData then code:${resDTO.code}, message:${resDTO.message}`);
            error('resDTO Response Code is failure');
            return
          }
          Logger.info(TAG, "getNavData then,resDTO.timestamp:" + resDTO.timestamp);
          success(resDTO.data);
        })
        .catch((err: Error) => {
          Logger.error(TAG, `getPageData catch, error.name : ${err.name},  error.message:${err.message}`);
          error(err);
        })
    })
  }
}


let pageViewModel = new PageViewModel();

export default pageViewModel as PageViewModel;