import { Component, EventEmitter, Input, OnDestroy, OnChanges, OnInit, Output, ApplicationRef, ChangeDetectorRef } from '@angular/core';
import { JsonPipe } from '@angular/common';


@Component({
  selector: 'app-form',
  templateUrl: './form.component.html',
  styleUrls: ['./form.component.css']
})
export class FormComponent implements OnInit, OnChanges, OnDestroy {

  // 储存数据用
  saveKey = "ak_08";
  // 储存对象
  item;

  isHideVideo = false;


  constructor(private appRef: ApplicationRef, private changeDetectorRef: ChangeDetectorRef) {

  }

  createShell() {
    this.item.wordList.push({
      word: '',
      audio: '',
      backWord: '',
      backWordAudio: '',
    });
    this.save();
  }

  removeShell(idx) {
    this.item.wordList.splice(idx, 1);
    this.save();
  }

  ngOnInit() {

    this.item = {};

    // 获取存储的数据
    (<any>window).courseware.getData((data) => {

      if (data) {
        this.item = data;
      }

      // this.item = {"video_url":"http://staging-teach.cdn.ireadabc.com/537aa38d43627c3997b28da1f1cc43da.mp4","lrcData":{"audio_url":"http://staging-teach.cdn.ireadabc.com/c5bc3378e4e0be11b67fc6cf625dfdf7.mp3","fontSize":24,"lineHeight":32,"lyrics":[{"time":0,"data":"","newLine":false},{"time":4.105990000000002,"data":"Apple, apple. I like apples.","newLine":false},{"time":7.992413,"data":"I like apples.","newLine":false},{"time":10.024486,"data":"What about you?","newLine":false},{"time":11.666604,"data":"","newLine":false},{"time":15.850838,"data":"Banana, banana. I like bananas.","newLine":false},{"time":20.004074,"data":"I like bananas.","newLine":false},{"time":21.992325,"data":"What about you?","newLine":false},{"time":23.618069,"data":"","newLine":false},{"time":27.853187,"data":"Orange, orange. I like oranges.","newLine":false},{"time":31.986444,"data":"I like oranges.","newLine":false},{"time":34.104426999999994,"data":"What about you?","newLine":false},{"time":35.690391,"data":"","newLine":false}]},"accompany_audio_url":"http://staging-teach.cdn.ireadabc.com/6d59bf82e77182bcb6520e3a3593b579.mp3"}

      console.log("this.item: ", JSON.stringify(this.item));

      this.init();
      this.changeDetectorRef.markForCheck();
      this.changeDetectorRef.detectChanges();
      this.refresh();

    }, this.saveKey);
  }

  ngOnChanges() {
  }

  ngOnDestroy() {
  }

  init() {

  }


  onVideoUploadSuccess(e) {
    console.log('e: ', e);
    this.item.video_url = e.url;
    this.save();
  }

  videoSeeked(e) {

  }

  videoError(e) {

  }

  videoLoaded(e, it) {

  }

  hideVideo() {
    this.isHideVideo = !this.isHideVideo;
  }


  getLRC(evt) {
    this.item.lrcData = evt;
    this.save();

  }
  

  /**
   * 储存图片数据
   * @param e
   */
  onImageUploadSuccess(e, key) {

    this.item[key] = e.url;
    this.save();
  }

  /**
   * 储存音频数据
   * @param e
   */
  onAudioUploadSuccess(e, key, it) {
    it[key] = e.url;
    this.save();
  }

 

  /**
   * 储存数据
   */
  save() {
    (<any>window).courseware.setData(this.item, null, this.saveKey);

    this.refresh();
    console.log('this.item = ' + JSON.stringify(this.item));
  }

  /**
   * 刷新 渲染页面
   */
  refresh() {
    setTimeout(() => {
      this.appRef.tick();
    }, 1);
  }

}