const TTSModule = uni.requireNativePlugin('native-tts')

const TTS = {
  isReady: false,
  isSpeaking: false,
  
  init(callback) {
    if (!TTSModule) {
      console.log('TTS 插件未安装')
      if (callback) callback(false, '插件未安装')
      return
    }
    
    try {
      const result = TTSModule.isReady()
      this.isReady = result.status === 1
      if (callback) callback(this.isReady, this.isReady ? '初始化成功' : '初始化失败')
    } catch (e) {
      console.log('TTS 初始化异常', e)
      if (callback) callback(false, e.message)
    }
  },
  
  speak(text, onSuccess, onError) {
    if (!text) {
      if (onError) onError('文本不能为空')
      return
    }
    
    if (!TTSModule) {
      if (onError) onError('插件未安装')
      return
    }
    
    try {
      this.isSpeaking = true
      const result = TTSModule.speak({ text: text })
      
      if (result.status === 0) {
        this.isSpeaking = false
        if (onSuccess) onSuccess()
      } else {
        this.isSpeaking = false
        if (onError) onError(result.message)
      }
    } catch (e) {
      console.log('TTS 播报异常', e)
      this.isSpeaking = false
      if (onError) onError(e.message)
    }
  },
  
  stop() {
    if (TTSModule) {
      try {
        TTSModule.stop()
        this.isSpeaking = false
      } catch (e) {
        console.log('TTS 停止异常', e)
      }
    }
  },
  
  setSpeed(speed) {
    if (TTSModule) {
      try {
        TTSModule.setSpeed({ speed: speed / 100 })
      } catch (e) {
        console.log('设置语速异常', e)
      }
    }
  },
  
  setPitch(pitch) {
    if (TTSModule) {
      try {
        TTSModule.setPitch({ pitch: pitch / 100 })
      } catch (e) {
        console.log('设置语调异常', e)
      }
    }
  },
  
  isSpeaking() {
    if (TTSModule) {
      try {
        const result = TTSModule.isSpeaking()
        return result.status === 1
      } catch (e) {
        return false
      }
    }
    return false
  },
  
  destroy() {
    if (TTSModule) {
      try {
        TTSModule.destroy()
        this.isReady = false
        this.isSpeaking = false
      } catch (e) {
        console.log('TTS 销毁异常', e)
      }
    }
  }
}

export default TTS