import MediaPlayer from '../../MediaPlayer'
import Ads, { Ad } from './Ads'

class AdsPlugin {
    private ads: Ads;
    private player: MediaPlayer;
    private media: HTMLMediaElement;
    private currentAd: Ad;
    private adsContainer: HTMLElement;

    constructor() {
        this.ads = Ads.getInstance()
        this.adsContainer = document.createElement('div');
        this.handleTimeUpdate = this.handleTimeUpdate.bind(this);
    }
  
    run(player: MediaPlayer) {
        this.player = player;
        this.player.container.appendChild(this.adsContainer);
        this.media = this.player.media;
        this.media.addEventListener('timeupdate', this.handleTimeUpdate);
    }

    private handleTimeUpdate () {
        const currentTime = Math.floor(this.media.currentTime)
        
        if(currentTime % 30 === 0) {
            this.renderAd();
        }
    }

    private renderAd() {
        if(this.currentAd) {
            return;
        }
        const ad = this.ads.getAd();
        this.currentAd = ad;

        this.adsContainer.innerHTML =
        `<div class="ads">
            <a class="ads__link"href="${this.currentAd.url}"target="_blank">
            <img class="ads__img"src="${this.currentAd.imageUrl}" />
            <divclass="ads__info">
                <h5class="ads__title">${this.currentAd.title}</h5>
                <pclass="ads__body">${this.currentAd.body}</p>
            </div>
            </a>
        </div>`;

        setTimeout(() => {
            this.currentAd = null;
            this.adsContainer.innerHTML = '';
        }, 10000)
    }
}

export default AdsPlugin;