import { requireNativeViewManager } from 'expo-modules-core';
import React from 'react';
import { View, ViewProps } from 'react-native';

type AppEvent = { [eventName: string]: any };

type PropsType = ViewProps & {
  /**
   * AdMob iOS library banner size constants
   * (https://developers.google.com/admob/ios/banner)
   * banner (320x50, Standard Banner for Phones and Tablets)
   * largeBanner (320x100, Large Banner for Phones and Tablets)
   * mediumRectangle (300x250, IAB Medium Rectangle for Phones and Tablets)
   * fullBanner (468x60, IAB Full-Size Banner for Tablets)
   * leaderboard (728x90, IAB Leaderboard for Tablets)
   * smartBannerPortrait (Screen width x 32|50|90, Smart Banner for Phones and Tablets)
   * smartBannerLandscape (Screen width x 32|50|90, Smart Banner for Phones and Tablets)
   *
   * banner is default
   */
  bannerSize:
    | 'banner'
    | 'largeBanner'
    | 'mediumRectangle'
    | 'fullBanner'
    | 'leaderboard'
    | 'smartBannerPortrait'
    | 'smartBannerLandscape';
  /**
   * AdMob ad unit ID
   */
  adUnitID?: string;
  /**
   * Additional request params added to underlying request for the ad.
   */
  additionalRequestParams?: Record<string, string>;
  /**
   * Whether the SDK should serve personalized ads (use only with user's consent). If this value is
   * `false` or `undefined`, this sets the `npa` key of `additionalRequestParams` to `'1'` following
   * https://developers.google.com/admob/ios/eu-consent#forward_consent_to_the_google_mobile_ads_sdk
   * and
   * https://developers.google.com/admob/android/eu-consent#forward_consent_to_the_google_mobile_ads_sdk.
   */
  servePersonalizedAds?: boolean;
  /**
   * AdMob iOS library events
   */
  onAdViewDidReceiveAd?: () => void;
  onDidFailToReceiveAdWithError?: (error: string) => void;
  onAdViewWillPresentScreen?: () => void;
  onAdViewWillDismissScreen?: () => void;
  onAdViewDidDismissScreen?: () => void;
  onAdMobDispatchAppEvent?: (event: AppEvent) => void;
};

type StateType = {
  style: { width?: number; height?: number };
};

export default class PublisherBanner extends React.Component<PropsType, StateType> {
  static defaultProps = { bannerSize: 'smartBannerPortrait' };

  state = { style: {} };

  _handleSizeChange = ({ nativeEvent }: { nativeEvent: { width: number; height: number } }) => {
    const { height, width } = nativeEvent;
    this.setState({ style: { width, height } });
  };

  _handleDidFailToReceiveAdWithError = ({ nativeEvent }: { nativeEvent: { error: string } }) =>
    this.props.onDidFailToReceiveAdWithError &&
    this.props.onDidFailToReceiveAdWithError(nativeEvent.error);

  render() {
    const additionalRequestParams: Record<string, string> = {
      ...this.props.additionalRequestParams,
    };
    if (!this.props.servePersonalizedAds) {
      additionalRequestParams.npa = '1';
    }
    return (
      <View style={this.props.style}>
        <ExpoBannerView
          style={this.state.style}
          adUnitID={this.props.adUnitID}
          bannerSize={this.props.bannerSize}
          onSizeChange={this._handleSizeChange}
          additionalRequestParams={additionalRequestParams}
          onAdViewDidReceiveAd={this.props.onAdViewDidReceiveAd}
          onDidFailToReceiveAdWithError={this._handleDidFailToReceiveAdWithError}
          onAdViewWillPresentScreen={this.props.onAdViewWillPresentScreen}
          onAdViewWillDismissScreen={this.props.onAdViewWillDismissScreen}
          onAdViewDidDismissScreen={this.props.onAdViewDidDismissScreen}
          onAdmobDispatchAppEvent={this.props.onAdMobDispatchAppEvent}
        />
      </View>
    );
  }
}

const ExpoBannerView = requireNativeViewManager('ExpoAdsPublisherBannerView');