module.exports = {
  subscribeSingleDevice: subscribeSingleDevice,
  subscribeAllDevice: subscribeAllDevice,
  onlineDevice: onlineDevice,
}

// 订阅在线单个设备
function subscribeSingleDevice(deviceId) {
  var topic = `/AIrSMArT_${deviceId.split("BLUFI_")[1]}/status/onoffline`;
  const app = getApp();
  app.unsubscribe(topic);
  app.subscribe(topic);
};

// 订阅在线设备
function subscribeAllDevice() {
  const strings = require('../strings');
  var deviceList = getCurrentPages()[0].getDeviceList();
  if (strings.isEmpty(deviceList)) {
    return;
  }

  const app = getApp();
  ///扫描所有在线Wifi设备
  for (var i = 0; i < deviceList.length; i++) {
    var device = deviceList[i];
    if (device.connectType == 3) {
      var deviceId = device.deviceId;
      var topic = `/AIrSMArT_${deviceId.split("BLUFI_")[1]}/status/onoffline`;
      app.subscribe(topic);
      // break;
    }
  }
};

// [{"deviceId":"BLUFI_7cdfa1fcbb24","name":"BLUFI_7cdfa1fcbb24","state":"online","ProdModel":"MW-2AX(WIFI-N)","devName":"猫王小王子OTR-X"}]
///连上就调用2次 处理离线在线问题 wifi设备 BLUFI_
/// payloads：{"uuid":"AIrSMArT_7cdfa1fcbb24","state":"online","userid":"1"}
// [{"deviceId":"BLUFI_7cdfa1fcbb24","name":"BLUFI_7cdfa1fcbb24","state":"online","ProdModel":"MW-2AX(WIFI-N)","devName":"猫王小王子OTR-X"}]

///更新在线状态，连接第一个在线设备
// deviceId: BLUFI_7cdfa1fd3af0
// uuid: AIrSMArT_7cdfa1fd3af0
function onlineDevice(payloads, changeCallback) {
  var isChanged = false;
  const strings = require('../strings');
  var deviceList = getCurrentPages()[0].getDeviceList();

  /// 处理在线设备
  if (!strings.isEmpty(deviceList)) {
    for (var i = 0; i < deviceList.length; i++) {
      if (payloads && payloads.uuid) {
        var device = deviceList[i];
        var connectType = device.connectType;
        if (connectType == 3) {
          var deviceId = device.deviceId;
          var splitDeviceId = deviceId.split("BLUFI_");
          if (splitDeviceId.length == 2) {
            var index = payloads.uuid.indexOf(splitDeviceId[1]);
            if (index !== -1) {
              if (device.state != payloads.state) {
                isChanged = true;
                device.state = payloads.state;
              }
              break;
            }
          }
        }
      }
    }
  }

  ///更新数据
  if (isChanged) {
    changeCallback(deviceList);
  }

  ///是否已登录
  var isLogin = getCurrentPages()[0].getIsLogin();
  if (!isLogin) {
    return;
  }

  ///当前没有连接设备，则去连接第一个wifi设备
  var list = getCurrentPages()[0].getDeviceList();
  var deviceListSelect = getCurrentPages()[0].getDeviceListSelect();
  ///去连接第一个
  if (deviceListSelect === null) {
    if (!strings.isEmpty(list)) {
      var deviceList = getCurrentPages()[0].getDeviceList();
      var autoConnected = getCurrentPages()[0].getAutoConnected();
      var connectDeviceIding = getCurrentPages()[0].getConnectDeviceIding();

      /// 还没有自动连接采用第一个
      if (!autoConnected) {
        for (var i = 0; i < list.length; i++) {
          var device = list[i];
          var deviceId = device.deviceId;
          if (device.connectType == 3 && device.state === "online") {
            connectDeviceIding = deviceId;
            break;
          }
        }
      }

      for (var i = 0; i < list.length; i++) {
        var device = list[i];
        var deviceId = device.deviceId;
        if (deviceId == connectDeviceIding) {
          if (device.connectType == 3 && device.state === "online") {
            getCurrentPages()[0].actionDevice(device);
          }
          break;
        }
      }
    }
  } else {
    // 当前播放设备离线
    if (list.length > deviceListSelect && list[deviceListSelect].state !== "online") {
      that.setData({
        actionIndex: null,
        deviceListSelect: null,
      });
    };
  }
};