import type {
  MediaPlayerAdapter,
  MediaLifecycleEvent,
} from '@financial-times/media-tracking-sdk'
import Clip from '.'

interface Opts {
  id?: string
  layout?: string
  autoplay?: boolean
  systemTitle?: string
  rootContentId?: string
}

class ClipMediaTrackerAdapter implements MediaPlayerAdapter {
  player: HTMLMediaElement
  private clip: Clip
  private options: Opts

  constructor(player: HTMLMediaElement, clip: Clip) {
    this.player = player
    this.clip = clip
    this.options = {
      id: clip.opts.id,
      layout: clip.opts.layout,
      autoplay: Boolean(clip.opts.autoplay),
      systemTitle: clip.opts.systemTitle,
      rootContentId: clip.opts.rootContentId,
    }
  }

  getCurrentTime(): number {
    return this.player.currentTime
  }

  getDuration(): number {
    return isNaN(this.player.duration) ? 0 : this.player.duration
  }

  getMediaId() {
    return this.options.id
  }

  getMediaName() {
    return this.options.systemTitle
  }

  getVideoType() {
    return 'clip'
  }

  getSourceUrl() {
    return this.options.id
  }

  isAutoplay() {
    return this.options.autoplay ?? this.player.autoplay
  }

  getVideoLayout() {
    return this.options.layout
  }

  getLoopCount() {
    return this.clip.loops
  }

  on(event: MediaLifecycleEvent, callback: (e: Event) => void): void {
    this.player.addEventListener(event, callback)
  }

  off(event: MediaLifecycleEvent, callback: (e: Event) => void): void {
    this.player.removeEventListener(event, callback)
  }
}

export default ClipMediaTrackerAdapter