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



@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 = "test_00111";
  // 储存对象
  item;

  sideByIndex = ['左上', '右上', '左下', '右下'];

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

  }

  createLine(groupIdx) {
    this.item.group[groupIdx].push({
      word: '',
      img: '',
      audio: '',
      groups: [0],
      letterDataList: []
    });
    this.save();
  }

  removeLine(groupIdx, lineIdx) {
    this.item.group[groupIdx].splice(lineIdx, 1);
    this.save();
  }

  ngOnInit() {
    this.item = {
      title: '',
      titleAudio: '',
      titleLetter: '',
      titleLetterAudio: '',
      middleImg: '',
      middleImgAudio: '',
      totalAudio: '',
      group: [[], [], [], []],
      groupTitle: ['', '', '', ''],
      groupAudio: ['', '', '', ''],
    };

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

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

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

    }, this.saveKey);

  }


  ngOnChanges() {
  }

  ngOnDestroy() {
  }

  onTitleLetterAudioUploadSuccess(event) {
    this.item.titleLetterAudio = event.url;
    this.save();
  }

  onTitleAudioUploadSuccess(event) {
    this.item.titleAudio = event.url;
    this.save();
  }

  onTotalAudioUploadSuccess(event) {
    this.item.totalAudio = event.url;
    this.save();
  }

  onMiddleAudioUploadSuccess(event) {
    this.item.middleImgAudio = event.url;
    this.save();
  }

  init() {

  }

  onWordTyped(groupIdx, lineIdx) {
    const lineData = this.item.group[groupIdx][lineIdx];
    if (lineData.word == lineData.letterDataList.map(data => data.letter).join('')) {
      return;
    }

    lineData.letterDataList = lineData.word.split('').map(letter => {
      return {
        letter: letter,
        color: '#696363', // 颜色
        line: false, // 下划线
        number: 0, // 下划线下方的数字
        group: 0, // 分组
        point: false // 重音符号
      }
    });
    this.save();
  }

  onLetterClicked(groupIdx, lineIdx, letterIdx) {
    const data = this.item.group[groupIdx][lineIdx].letterDataList[letterIdx];
    if (data.showOptions) {
      data.showOptions = false;
    } else {
      this.item.group.forEach(group => {
        group.forEach(line => {
          line.letterDataList.forEach(letterData => {
            letterData.showOptions = false;
          });
        });
      });
      data.showOptions = true;
    }
    this.save();
  }

  changeLetterBlack(groupIdx, lineIdx, letterIdx) {
    this.item.group[groupIdx][lineIdx].letterDataList[letterIdx].color = '#696363';
    this.save();
  }

  changeLetterRed(groupIdx, lineIdx, letterIdx) {
    this.item.group[groupIdx][lineIdx].letterDataList[letterIdx].color = '#c8161e';
    this.save();
  }

  changeLetterGrey(groupIdx, lineIdx, letterIdx) {
    this.item.group[groupIdx][lineIdx].letterDataList[letterIdx].color = '#b8aeae';
    this.save();
  }

  changeLetterLine(groupIdx, lineIdx, letterIdx) {
    const data = this.item.group[groupIdx][lineIdx].letterDataList[letterIdx];
    data.line = !data.line;
    data.number = 0;
    this.save();
  }

  changeLetterLineNumber(groupIdx, lineIdx, letterIdx, number) {
    const data = this.item.group[groupIdx][lineIdx].letterDataList[letterIdx];
    data.line = true;
    data.number = number;
    this.save();
  }

  changeLetterPoint(groupIdx, lineIdx, letterIdx) {
    const data = this.item.group[groupIdx][lineIdx].letterDataList[letterIdx];
    data.point = !data.point;
    this.save();
  }

  changeLetterGroup(groupIdx, lineIdx, letterIdx) {
    if (letterIdx == 0) {
      return;
    }
    const letterDataList = this.item.group[groupIdx][lineIdx].letterDataList;
    const data = letterDataList[letterIdx];
    const dataBefore = letterDataList[letterIdx - 1];

    let step = 1;
    if (dataBefore.group != data.group) {
      step = -1;
    }

    let maxGroup = 0;
    for (let i = letterIdx; i < letterDataList.length; i++) {
      letterDataList[i].group += step;
      maxGroup = Math.max(letterDataList[i].group, maxGroup)
    }
    this.item.group[groupIdx][lineIdx].groups = new Array(maxGroup + 1).fill('0');

    this.save();
  }

  /**
   * 储存图片数据
   * @param e
   */
  onImageUploadSuccess(e, key) {
    this.item[key] = e.url;
    this.save();
  }

  onMiddleImageUploadSuccess(e) {
    this.item.middleImg = e.url;
    this.save();
  }

  onWordImgUploadSuccess(e, groupIdx, lineIdx) {
    this.item.group[groupIdx][lineIdx].img = e.url;
    this.save();
  }

  onGroupAudioUploadSuccess(e, groupIdx) {
    this.item.groupAudio[groupIdx] = e.url;
    this.save();
  }

  onLineAudioUploadSuccess(e, groupIdx, lineIdx) {
    this.item.group[groupIdx][lineIdx].audio = e.url;
    this.save();
  }

  /**
   * 储存音频数据
   * @param e
   */
  onAudioUploadSuccess(e, key) {

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



  /**
   * 储存数据
   */
  save() {
    (<any>window).courseware.setData(this.item, null, this.saveKey);
    console.log(JSON.stringify(this.item));
    this.refresh();
  }

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

}

