import request from '@/utils/request'

// ================== 蓝牙协议封装类 ==================
class HBY100JProtocol {
    constructor() {
        this.deviceId = ''; // 4G 接口所需的 deviceId
        this.isBleConnected = false;
        this.bleDeviceId = ''; // 小程序/APP中连接蓝牙的 deviceId
        
        // 蓝牙服务与特征值 UUID
        this.SERVICE_UUID = '0000AE30-0000-1000-8000-00805F9B34FB'; // 0xAE30
        this.WRITE_UUID = '0000AE03-0000-1000-8000-00805F9B34FB';   // 0xAE03
        this.NOTIFY_UUID = '0000AE02-0000-1000-8000-00805F9B34FB';  // 0xAE02
        
        this.onNotifyCallback = null;
    }

    setBleConnectionStatus(status, bleDeviceId = '') {
        this.isBleConnected = status;
        if (bleDeviceId) {
            this.bleDeviceId = bleDeviceId;
        }
    }

    onNotify(callback) {
        this.onNotifyCallback = callback;
    }

    parseBleData(buffer) {
        const view = new Uint8Array(buffer);
        if (view.length < 3) return null;
        
        const header = view[0];
        const tail = view[view.length - 1];
        if (header !== 0xFB || tail !== 0xFF) return null; // 校验头尾
        
        const funcCode = view[1];
        const data = view.slice(2, view.length - 1);
        
        let result = { funcCode, rawData: data };
        
        switch (funcCode) {
            case 0x01: result.resetType = data[0]; break;
            case 0x02: break;
            case 0x03: break;
            case 0x04: result.batteryPercentage = data[16]; break;
            case 0x06: result.voiceBroadcast = data[0]; break;
            case 0x09: result.volume = data[0]; break;
            case 0x0A: 
                result.strobeEnable = data[0];
                result.strobeMode = data[1];
                break;
            case 0x0B: result.strobeFrequency = data[0]; break;
            case 0x0C: 
                result.alarmEnable = data[0];
                result.alarmMode = data[1];
                break;
            case 0x0D: 
                result.redBrightness = data[0];
                result.blueBrightness = data[1];
                result.yellowBrightness = data[2];
                break;
            case 0x0E: 
                result.voiceBroadcast = data[0];
                result.alarmEnable = data[1];
                result.alarmMode = data[2];
                result.strobeEnable = data[3];
                result.strobeMode = data[4];
                result.strobeFrequency = data[5];
                result.volume = data[6];
                result.redBrightness = data[7];
                result.blueBrightness = data[8];
                result.yellowBrightness = data[9];
                break;
        }
        
        if (this.onNotifyCallback) {
            this.onNotifyCallback(result);
        }
        return result;
    }

    sendBleData(funcCode, dataBytes = []) {
        return new Promise((resolve, reject) => {
            if (!this.isBleConnected || !this.bleDeviceId) {
                return reject(new Error('蓝牙未连接'));
            }
            
            const buffer = new ArrayBuffer(dataBytes.length + 3);
            const view = new Uint8Array(buffer);
            view[0] = 0xFA; // 数据头
            view[1] = funcCode; // 功能码
            for (let i = 0; i < dataBytes.length; i++) {
                view[2 + i] = dataBytes[i];
            }
            view[view.length - 1] = 0xFF; // 结尾
            
            // 使用项目中统一的 BleHelper 发送数据
            import('@/utils/BleHelper.js').then(module => {
                const bleTool = module.default.getBleTool();
                bleTool.sendData(this.bleDeviceId, buffer, this.SERVICE_UUID, this.WRITE_UUID)
                    .then(res => resolve(res))
                    .catch(err => reject(err));
            });
        });
    }

    // 纯蓝牙指令发送方法
    deviceReset(type = 0) { return this.sendBleData(0x01, [type]); }
    setVoiceBroadcast(enable) { return this.sendBleData(0x06, [enable]); }
    setVolume(volume) { return this.sendBleData(0x09, [volume]); }
    setStrobeMode(enable, mode) { return this.sendBleData(0x0A, [enable, mode]); }
    setStrobeFrequency(frequency) { return this.sendBleData(0x0B, [frequency]); }
    setForceAlarm(enable, mode) { return this.sendBleData(0x0C, [enable, mode]); }
    setLightBrightness(red, blue = 0, yellow = 0) { return this.sendBleData(0x0D, [red, blue, yellow]); }
    getCurrentWorkMode() { return this.sendBleData(0x0E, []); }
}

// ================== 全局单例与状态管理 ==================
const protocolInstance = new HBY100JProtocol();

// 暴露给页面：更新蓝牙连接状态
export function updateBleStatus(isConnected, bleDeviceId, deviceId) {
    protocolInstance.setBleConnectionStatus(isConnected, bleDeviceId);
    protocolInstance.deviceId = deviceId;
}

// 暴露给页面：解析蓝牙接收到的数据
export function parseBleData(buffer) {
    return protocolInstance.parseBleData(buffer);
}

// ================== API 接口 (拦截层) ==================

// 获取语音管理列表
export function deviceVoliceList(params) {
  return request({
    url: `/app/video/queryAudioFileList`,
    method: 'get',
	data:params
  })
}
// 重命名
export function videRenameAudioFile(data) {
  return request({
    url: `/app/video/renameAudioFile`,
    method: 'post',
	data:data
  })
}
// 删除语音文件列表
export function deviceDeleteAudioFile(params) {
  return request({
    url: `/app/video/deleteAudioFile`,
    method: 'get',
	data:params
  })
}

// 更新语音,使用语音
export function deviceUpdateVoice(data) {
  return request({
    url: `/app/hby100j/device/updateVoice`,
    method: 'post',
	data:data
  })
}
// 100J信息
export function deviceDetail(id) {
  return request({
    url: `/app/hby100j/device/${id}`,
    method: 'get',
  })
}

// 爆闪模式
export function deviceStrobeMode(data) {
  if (protocolInstance.isBleConnected) {
      return protocolInstance.setStrobeMode(data.enable, data.mode).then(res => {
          return { code: 200, msg: '操作成功(蓝牙)' };
      });
  }
  return request({
    url: `/app/hby100j/device/strobeMode`,
    method: 'post',
	data:data
  })
}

// 强制报警
export function deviceForceAlarmActivation(data) {
  if (protocolInstance.isBleConnected) {
      return protocolInstance.setForceAlarm(data.voiceStrobeAlarm, data.mode).then(res => {
          return { code: 200, msg: '操作成功(蓝牙)' };
      });
  }
  return request({
    url: `/app/hby100j/device/forceAlarmActivation`,
    method: 'post',
	data:data
  })
}

// 爆闪频率
export function deviceStrobeFrequency(data) {
  if (protocolInstance.isBleConnected) {
      return protocolInstance.setStrobeFrequency(data.frequency).then(res => {
          return { code: 200, msg: '操作成功(蓝牙)' };
      });
  }
  return request({
    url: `/app/hby100j/device/strobeFrequency`,
    method: 'post',
	data:data
  })
}

// 灯光调节亮度
export function deviceLightAdjustment(data) {
  if (protocolInstance.isBleConnected) {
      return protocolInstance.setLightBrightness(data.brightness, data.brightness, data.brightness).then(res => {
          return { code: 200, msg: '操作成功(蓝牙)' };
      });
  }
  return request({
    url: `/app/hby100j/device/lightAdjustment`,
    method: 'post',
	data:data
  })
}

// 调节音量
export function deviceUpdateVolume(data) {
  if (protocolInstance.isBleConnected) {
      return protocolInstance.setVolume(data.volume).then(res => {
          return { code: 200, msg: '操作成功(蓝牙)' };
      });
  }
  return request({
    url: `/app/hby100j/device/updateVolume`,
    method: 'post',
	data:data
  })
}

// 语音播放
export function deviceVoiceBroadcast(data) {
  if (protocolInstance.isBleConnected) {
      return protocolInstance.setVoiceBroadcast(data.voiceBroadcast).then(res => {
          return { code: 200, msg: '操作成功(蓝牙)' };
      });
  }
  return request({
    url: `/app/hby100j/device/voiceBroadcast`,
    method: 'post',
	data:data
  })
}