import { defineStore } from 'pinia'

export const useAudioStore = defineStore('audio', {
    state: () => ({
        soundInstance: null, // Howl 实例
        isPlaying: false,     // 播放状态
        isVoiceEnabled: true, // 新增声音开关状态
        playbackPosition: 0, // 新增播放位置存储
        lastVoiceState: null,
        ttsUrl:'',
        isNewInstance: false, // 新增是否是新实例的标志
        nowSound:'',
        currentAudioUrl: '', // 当前音频URL
        isPaused: false, // 是否处于暂停状态
        duration: 0 // 音频总时长
    }),
    actions: {
        // 设置音频实例
        setAudioInstance(instance) {
            this.soundInstance = instance
        },
        // 播放控制
        play() {
            if (this.soundInstance) {
                if (this.isPaused && this.playbackPosition > 0) {
                    // 从暂停位置继续播放
                    this.soundInstance.seek(this.playbackPosition)
                }
                this.soundInstance.play()
                this.isPlaying = true
                this.isPaused = false
            }
        },
        // 暂停控制
        pause() {
            if (this.soundInstance && this.isPlaying) {
                // 保存当前播放位置
                this.playbackPosition = this.soundInstance.seek() || 0
                this.soundInstance.pause()
                this.isPlaying = false
                this.isPaused = true
            }
        },
        // 停止播放
        stop() {
            if (this.soundInstance) {
                this.soundInstance.stop()
                this.isPlaying = false
                this.isPaused = false
                this.playbackPosition = 0
            }
        },
        // 切换播放/暂停
        togglePlayPause() {
            if (this.isPlaying) {
                this.pause()
            } else {
                this.play()
            }
        },
        // 设置当前音频URL
        setCurrentAudioUrl(url) {
            if (this.currentAudioUrl !== url) {
                // 如果是新的音频，重置播放状态
                this.stop()
                this.currentAudioUrl = url
                this.playbackPosition = 0
                this.isPaused = false
            }
        },
        // 语音开关控制
        toggleVoice() {
            this.isVoiceEnabled = !this.isVoiceEnabled
            if (!this.isVoiceEnabled) {
                // 关闭语音时停止当前播放
                this.stop()
            }
        },
        // 重置音频状态
        resetAudioState() {
            this.stop()
            this.currentAudioUrl = ''
            this.ttsUrl = ''
            this.soundInstance = null
            this.nowSound = ''
        }
    }
})