/**
 * 方形播放器卡片 (2x2)
 * 显示专辑封面、歌曲信息和播放按钮
 * 参考华为官方设计，移除收藏功能
 * 需求: 5.1, 1.4, 1.5
 */


// 定义对齐规则 - 参考华为官方代码
const SquareSingerAlignRules: Record<string, Record<string, string | VerticalAlign | HorizontalAlign>> = {
  'top': { 'anchor': 'musicTitle', 'align': VerticalAlign.Bottom },
  'left': { 'anchor': 'musicCover', 'align': HorizontalAlign.End }
};

const SquareCoverAlignRules: Record<string, Record<string, string | VerticalAlign | HorizontalAlign>> = {
  'bottom': { 'anchor': '__container__', 'align': VerticalAlign.Bottom }
};

const PlayAlignRules: Record<string, Record<string, string | VerticalAlign | HorizontalAlign>> = {
  'bottom': { 'anchor': '__container__', 'align': VerticalAlign.Bottom },
  'right': { 'anchor': '__container__', 'align': HorizontalAlign.End }
};

@Entry
@Component
struct PlayerWidgetSquare {
  // 卡片数据属性 - 使用LocalStorageProp与FormExtensionAbility通信
  @LocalStorageProp('formId') formId: string = '12400633174999288';
  @LocalStorageProp('isPlaying') isPlaying: boolean = false;
  @LocalStorageProp('songTitle') songTitle: string = 'Dream It Possible';
  @LocalStorageProp('songArtist') songArtist: string = 'Delacey';
  @LocalStorageProp('coverImage') coverImage: string = '';
  @LocalStorageProp('isLoading') isLoading: boolean = false;
  @LocalStorageProp('imageColorHex') imageColorHex: string = '2A2A2A';
  @LocalStorageProp('imgName') imgName: string = ''; // 图片文件名，用于memory://协议

  /**
   * 格式化歌曲标题显示
   */
  private getDisplayTitle(): string {
    if (!this.songTitle || this.songTitle.trim() === '') {
      return '暂无播放';
    }
    return this.songTitle;
  }

  /**
   * 格式化艺术家显示
   */
  private getDisplayArtist(): string {
    if (!this.songArtist || this.songArtist.trim() === '') {
      return '未知艺术家';
    }
    return this.songArtist;
  }

  /**
   * 获取专辑封面
   */
  private getCoverImage(): Resource | string {
    console.info(`Heanup PlayerWidgetSquare: getCoverImage called, coverImage='${this.coverImage}', imgName='${this.imgName}'`);
    
    // 优先使用通过formImages传递的本地图片（支持网络图片下载后的显示）
    if (this.imgName && this.imgName.trim() !== '') {
      const memoryUrl = 'memory://' + this.imgName;
      console.info(`Heanup PlayerWidgetSquare: Using memory image: ${memoryUrl}`);
      return memoryUrl;
    }
    
    // 如果有coverImage且不是网络URL，使用本地路径
    if (this.coverImage && this.coverImage.trim() !== '' && !this.isNetworkUrl(this.coverImage)) {
      console.info(`Heanup PlayerWidgetSquare: Using local cover image: ${this.coverImage}`);
      return this.coverImage;
    }
    
    // 默认使用内置图片
    console.info(`Heanup PlayerWidgetSquare: Using default cover image`);
    return $r('app.media.ic_avatar4'); // 使用默认专辑封面
  }

  /**
   * 检查是否为网络URL
   */
  private isNetworkUrl(url: string): boolean {
    return url.startsWith('http://') || url.startsWith('https://');
  }

  build() {
    RelativeContainer() {
      // 歌曲标题 - 参考华为官方样式
      Text(this.getDisplayTitle())
        .fontSize(14)
        .fontWeight(700)
        .width('85%')
        .fontColor(Color.White)
        .textOverflow({ overflow: TextOverflow.Ellipsis })
        .maxLines(1)
        .id('musicTitle')

      // 艺术家名称 - 参考华为官方样式
      Text(this.getDisplayArtist())
        .fontSize(12)
        .fontColor('#CCFFFFFF')
        .fontWeight(500)
        .maxLines(1)
        .alignRules(SquareSingerAlignRules)
        .margin({ top: 2 })
        .id('singerText')

      // 专辑封面 - 参考华为官方黑胶唱片设计
      Stack({ alignContent: Alignment.Center }) {
        Image($r('app.media.ic_music_bg_mini'))
          .height(88)
          .width(88)

        Button()
          .backgroundImage(this.getCoverImage())
          .backgroundImageSize(ImageSize.Cover)
          .height(58)
          .width(58)
          .borderRadius(29)
      }
      .alignRules(SquareCoverAlignRules)
      .id('musicCover')
      .onClick(() => {
        console.info('Heanup PlayerWidgetSquare: Album cover clicked');
        postCardAction(this, {
          'action': 'router',
          'abilityName': 'EntryAbility'
        });
      })

      // 播放按钮 - 参考华为官方样式
      SymbolGlyph(this.isPlaying ? $r('sys.symbol.pause_round_triangle_fill') : $r('sys.symbol.play_round_triangle_fill'))
        .fontSize(36)
        .symbolEffect(new ReplaceSymbolEffect(EffectScope.WHOLE), true)
        .fontColor(['#E5FFFFFF'])
        .alignRules(PlayAlignRules)
        .onClick(() => {
          console.info('Heanup PlayerWidgetSquare: Play/Pause button clicked');
          if (!this.isLoading) {
            postCardAction(this, {
              'action': 'call',
              'abilityName': 'EntryAbility',
              'params': {
                'formId': this.formId,
                'method': 'playPause',
                'widgetIsPlaying': this.isPlaying // 传递卡片当前显示的播放状态
              }
            });
          }
        })
    }
    .height('100%')
    .width('100%')
    .linearGradient({
      direction: GradientDirection.Bottom,
      repeating: false,
      colors: [[`#ff${this.imageColorHex}`, 0.0], [`#ff${this.imageColorHex}`, 0.5], [`#ff${this.imageColorHex}`, 1.0]]
    })
    .padding(12)
    .onClick(() => {
      console.info('Heanup PlayerWidgetSquare: Container clicked, jumping to main app');
      postCardAction(this, {
        'action': 'router',
        'abilityName': 'EntryAbility'
      });
    })
  }
}