import {
  IAdsInitParams,
  IAdConfigParams,
  IAdBreakParams,
  IAdUnitParams,
  JoliboxAdsForGame
} from '@jolibox/ads';
import { IAdsHandler } from '../ads';

declare global {
  interface Window {
    // gamedistribution
    gdsdk: {
      preloadAd: (type: string) => Promise<void>;
      showAd: (type: string) => Promise<{ adType: string; args: { success: boolean } }>;
    };
  }
}

export default class GamedistributionAdsHandler implements IAdsHandler {
  private static instance: GamedistributionAdsHandler;

  private constructor() {
    // 不需要初始化
  }

  public static getInstance(): GamedistributionAdsHandler {
    if (!GamedistributionAdsHandler.instance) {
      GamedistributionAdsHandler.instance = new GamedistributionAdsHandler();
    }
    return GamedistributionAdsHandler.instance;
  }

  getAdsInstance(): JoliboxAdsForGame {
    return GamedistributionAdsHandler.getInstance() as unknown as JoliboxAdsForGame;
  }

  init(): void {
    // 不需要初始化
  }

  adConfig(params: IAdConfigParams): void {
    if (params.onReady) params.onReady();
  }

  adBreak(params: IAdBreakParams): Promise<void> | void {
    try {
      if (params.type === 'reward') {
        window.gdsdk
          .preloadAd('rewarded')
          .then(() => {
            params.beforeReward?.(() => {
              if (params.beforeAd) params.beforeAd();

              window.gdsdk
                .showAd('rewarded')
                .then((response) => {
                  if (response?.args?.success) {
                    params.adViewed?.();
                  } else {
                    params.adDismissed?.();
                  }

                  if (params.afterAd) params.afterAd();

                  params.adBreakDone?.({
                    breakType: params.type,
                    breakName: params.name,
                    breakFormat: 'reward',
                    breakStatus: response?.args?.success ? 'viewed' : 'dismissed'
                  });
                })
                .catch((error) => {
                  console.log('showReward error => ', error);

                  params.adBreakDone?.({
                    breakType: params.type,
                    breakName: params.name,
                    breakFormat: 'reward',
                    breakStatus: 'noAdPreloaded'
                  });
                });
            });
          })
          .catch((error) => {
            console.log('preloadAd error => ', error);

            params.adBreakDone?.({
              breakType: params.type,
              breakName: params.name,
              breakFormat: 'reward',
              breakStatus: 'noAdPreloaded'
            });
          });
      } else {
        if (params.type !== 'preroll' && params.beforeAd) params.beforeAd();
        window.gdsdk.showAd('interstitial').then(() => {
          if (params.type !== 'preroll' && params.afterAd) params.afterAd();

          params.adBreakDone?.({
            breakType: params.type,
            breakName: params.type === 'preroll' ? undefined : params.name,
            breakFormat: 'interstitial',
            breakStatus: 'viewed'
          });
        });
      }
    } catch (e) {
      console.log('adBreak error => ', e);

      params.adBreakDone?.({
        breakType: params.type,
        breakName: params.type === 'preroll' ? undefined : params.name,
        breakFormat: params.type === 'reward' ? 'reward' : 'interstitial',
        breakStatus: 'error'
      });
    }
  }

  adUnit(): void {
    // 不需要初始化
  }
}