<template>
  <view class="music-control" @click.stop="toggleMusic">
    <text class="music-text" :class="{ 'rotating': isPlaying }">
      {{ isPlaying ? '🎵' : '🔇' }}
    </text>
  </view>
</template>

<script>
export default {
  name: 'MusicControl',
  data() {
    return {
      isPlaying: false,
      isAudioPlaying: false // 记录音频播放状态
    }
  },
  mounted() {
	  // console.log('初始化')
    // 组件挂载时同步音乐状态
    this.syncMusicState();
    
    // 检查全局音频状态
    this.checkGlobalAudioState();
    
    // 添加定时器，每秒同步一次状态
    this.timer = setInterval(() => {
      this.syncMusicState();
      this.checkGlobalAudioState();
    }, 1000);
    
    // 监听音频播放状态变化
    uni.$on('audioPlaying', this.handleAudioStateChange);
  },
  beforeUnmount() {
    // 组件卸载前清除定时器
    if (this.timer) {
      clearInterval(this.timer);
    }
    
    // 移除事件监听
    uni.$off('audioPlaying', this.handleAudioStateChange);
  },
  methods: {
    syncMusicState() {
      const app = getApp();
      if (app && app.globalData) {
        this.isPlaying = app.globalData.isMusicPlaying;
      }
    },
    
    toggleMusic() {
      const app = getApp();
      if (!app || !app.globalData || !app.globalData.bgMusic) {
        // console.error('背景音乐未初始化');
        return;
      }
      
      const bgMusic = app.globalData.bgMusic;
	  
	  // console.log(bgMusic)
      
      // 先发送背景音乐切换事件，通知AudioControl组件（但不要让它恢复背景音乐）
      if (this.isAudioPlaying) {
        uni.$emit('backgroundMusicToggle');
        // 等待一小段时间确保音频已暂停
        setTimeout(() => {
          // 直接基于当前组件的状态切换背景音乐
          if (this.isPlaying) {
            bgMusic.pause();
          } else {
            bgMusic.play();
          }
        }, 100);
      } else {
        // 没有音频在播放时，直接切换背景音乐
        if (this.isPlaying) {
          bgMusic.pause();
        } else {
          bgMusic.play();
        }
      }
    },
    
    // 处理音频状态变化
    handleAudioStateChange(isAudioPlaying) {
      this.isAudioPlaying = isAudioPlaying;
      // console.log('音频状态变化:', isAudioPlaying);
    },
    
    // 检查全局音频状态
    checkGlobalAudioState() {
      try {
        const app = getApp();
        if (app && app.globalData && app.globalData.currentAudio) {
          const globalAudio = app.globalData.currentAudio;
          // 检查全局音频是否在播放
          this.isAudioPlaying = !globalAudio.paused;
          // console.log('检查到全局音频状态:', this.isAudioPlaying);
        } else {
          this.isAudioPlaying = false;
        }
      } catch (error) {
        // console.error('检查全局音频状态失败:', error);
        this.isAudioPlaying = false;
      }
    }
  }
}
</script>

<style scoped>
.music-control {
  position: fixed;
  right: 30rpx;
  bottom: 210rpx;
  width: 80rpx;
  height: 80rpx;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 998;
}

.music-text {
  font-size: 40rpx;
}

.rotating {
  animation: rotate 3s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
</style>
