// pages/lanyatest/lanyatest.js

var longUtil = require('./../../utils/long.js');

Page({
 
  /**
   * 页面的初始数据
   */
  data: {
    info:"未初始化蓝牙适配器",
	deviceName:"yxwl01680000004895",
    connectedDeviceId:"",
    deviceId:"",
    services:"",
	
	mtuSize:512,
    servicesUUID:"000018f0-0000-1000-8000-00805f9b34fb",
	notifyUUID:"00002af0-0000-1000-8000-00805f9b34fb",
	writeUUID:"00002af1-0000-1000-8000-00805f9b34fb",
    
	serviceId:"",
    notifyCharacteristicsId:"",
    writeCharacteristicsId: "",
	
    userTelephone:"13028878230",
    userPassword:"130288",
	pwd:"12344321",
    openLockType:2,	
    sendmsg:"8989415B017BC796C6F8001DA0B0AAB7AFABB1B6B9B1BAB7B0BE8989A9AB8BABBE80EEEEE2E2E6E6EFE4",
    systemInfo:{},
  },
 
  lanyatest1(event){
    var that = this;
		
    wx.getSystemInfo({
      success: function (res) {
          console.log(res.model)
          console.log(res.pixelRatio)
          console.log(res.windowWidth)
          console.log(res.windowHeight)
          console.log(res.language)
          console.log(res.version)
          console.log(res.platform)
          console.log(res.environment)
          that.setData({
              systemInfo:res
          });
      }
   })
	
	checkWechatVersion(that.data.systemInfo)
	
    wx.openBluetoothAdapter({
      success: function (res) {
        console.log('初始化蓝牙适配器成功')
        //页面日志显示
        that.setData({
          info: '初始化蓝牙适配器成功'
        })
      },
      fail: function (res) {
        console.log('请打开蓝牙和定位功能')
        that.setData({
          info: '请打开蓝牙和定位功能'
        })
      }
    })
  },
 
 
 
  lanyatest2(event){
    var that = this;
    wx.getBluetoothAdapterState({
 
      success: function (res) {
 
        //打印相关信息
        console.log(JSON.stringify(res.errMsg) + "\n蓝牙是否可用：" + res.available);
 
        that.setData({
          info: JSON.stringify(res.errMsg) +"\n蓝牙是否可用：" + res.available
        })
 
      },
      fail: function (res) {
 
        //打印相关信息
        console.log(JSON.stringify(res.errMsg) + "\n蓝牙是否可用：" + res.available);
 
        that.setData({
          info: JSON.stringify(res.errMsg) + "\n蓝牙是否可用：" + res.available
        })
 
      }
      
    })
 
  },
 
 
 
  lanyatest3(event){
    var that = this;
    wx.startBluetoothDevicesDiscovery({
      services: [that.data.servicesUUID], //如果填写了此UUID，那么只会搜索出含有这个UUID的设备
      success: function (res) {
        that.setData({
          info: "搜索设备" + JSON.stringify(res),
        })
        console.log('搜索设备返回' + JSON.stringify(res))
 
      }
    })
 
  },
 
 
 
  lanyatest4(event){
    var that = this;
	var pos;
    wx.getBluetoothDevices({
      success: function (res) {
 
    for (var i = 0; i < res.devices.length; i++) {
		    pos = that.data.deviceName.indexOf(res.devices[i].name);
        if(pos != -1)
        {
            that.setData({
                connectedDeviceId: res.devices[i].deviceId
            })
            console.log('设备号：' + res.devices[i].name + " Mac地址: " + that.data.connectedDeviceId + " pos: " + pos + "\n")	
            break;
        }
    }        
		that.setData({
          info: "设备列表\n" + JSON.stringify(res.devices),
          devices: res.devices
        })
        
		    console.log('搜设备数目：' + res.devices.length)
        console.log('设备信息：\n' + JSON.stringify(res.devices)+"\n")
      }
    })
 
  },
 
 
 
  lanyaconnect(event){
    var that = this;
    wx.createBLEConnection({
      deviceId: that.data.connectedDeviceId,
      success: function (res) {
        console.log('调试信息：' + res.errMsg);
        that.setData({
          info: "MAC地址：" + event.currentTarget.id  + '  调试信息：' + res.errMsg,    
        })
		if (that.data.systemInfo.platform == 'android')
		{
            wx.setBLEMTU({
                deviceId: that.data.connectedDeviceId,
                mtu:that.data.mtuSize,
                success:(res)=>{
                    console.log("setBLEMTU success >> " + JSON.stringify(res))
                },
                fail:(res)=>{
                    console.log("setBLEMTU fail >> " + JSON.stringify(res))
                }
            })		
		}
      },
      fail: function () {
        console.log("连接失败");
      },
 
    })
 
  },
 
 
  lanyatest6(event){
    var that = this;
    wx.stopBluetoothDevicesDiscovery({
      success: function (res) {
        console.log("停止搜索" + JSON.stringify(res.errMsg));
        that.setData({
          info: "停止搜索"  + JSON.stringify(res.errMsg),
        })
      }
    })
 
  },
 
 
 
  lanyatest7(event){
    var that = this;
    wx.getBLEDeviceServices({
      // 这里的 deviceId 需要在上面的 getBluetoothDevices 或 onBluetoothDeviceFound 接口中获取
      deviceId: that.data.connectedDeviceId,
      success: function (res) {
        console.log('services UUID:\n', JSON.stringify(res.services));
        for (var i = 0; i < res.services.length; i++) {
          console.log("第"+(i+1) + "个UUID:" + res.services[i].uuid+"\n")
        }
        that.setData({
          services: res.services,
          info: JSON.stringify(res.services),
        })
      }
    })
 
  },
 
 
 
  lanyatest8(event){
    var that = this;
    var myUUID = toPlatformString(that.data.systemInfo, that.data.servicesUUID);//具有写、通知属性的服务uuid
    console.log(' UUID: ' + myUUID + " mac: " + that.data.connectedDeviceId)
    wx.getBLEDeviceCharacteristics({
      // 这里的 deviceId 需要在上面的接口中获取
      deviceId: that.data.connectedDeviceId,
      // 这里的 serviceId 需要在上面的 接口中获取
      serviceId: myUUID,
      success: function (res) {
        console.log("%c getBLEDeviceCharacteristics", "color:red;");
        for (var i = 0; i < res.characteristics.length; i++) {
          console.log('特征值：' + res.characteristics[i].uuid)
 
          if (res.characteristics[i].properties.notify) {
            console.log("notifyServicweId：", myUUID);
            console.log("notifyCharacteristicsId：", res.characteristics[i].uuid);
            that.setData({
              notifyServicweId: myUUID,
              notifyCharacteristicsId: that.data.notifyUUID,//手动设置notifyCharacteristicsId为这个UUID，为了方便写死在这里
 
            })
          }
          if (res.characteristics[i].properties.write) {
            console.log("writeServicweId：", myUUID);
            console.log("writeCharacteristicsId：", res.characteristics[i].uuid);
            that.setData({
              writeServicweId: myUUID,
              //writeCharacteristicsId: res.characteristics[i].uuid,
              writeCharacteristicsId: that.data.writeUUID,//手动设置writeCharacteristicsId为这个UUID，为了方便写死在这里
            })
 
          }
 
        }
        console.log('device getBLEDeviceCharacteristics:', res.characteristics);
 
        that.setData({
          msg: JSON.stringify(res.characteristics),
        })
      },
      fail: function () {
        console.log("fail");
      },
 
    })
 
  },
 
  
 
 
  lanyatest9(event){
    var that = this;
    var notifyServicweId = toPlatformString(that.data.systemInfo, that.data.servicesUUID);  //具有写、通知属性的服务uuid
    var notifyCharacteristicsId = toPlatformString(that.data.systemInfo, that.data.notifyCharacteristicsId);
    console.log("启用notify的serviceId", notifyServicweId);
    console.log("启用notify的notifyCharacteristicsId", notifyCharacteristicsId);
 
    wx.notifyBLECharacteristicValueChange({
      state: true, // 启用 notify 功能
      deviceId: that.data.connectedDeviceId,
      // 这里的 serviceId 就是that.data.servicesUUID
      serviceId: notifyServicweId,
      characteristicId: notifyCharacteristicsId,
      success: function (res) {
        console.log('notifyBLECharacteristicValueChange success', res.errMsg)
        var msg = '启动notify:' + res.errMsg
        that.setData({
          info: msg
        })
      },
      fail: function () {
        console.log('启动notify:' + res.errMsg);
        
      },
    })
 
 
  },
 
 
 
  lanyatest10(event){
    var that = this;
    console.log("开始接收数据");
 
    wx.onBLECharacteristicValueChange(function (res) {
      console.log("characteristicId：" + res.characteristicId)
      console.log("serviceId: " + res.serviceId)
      console.log("deviceId: " + res.deviceId)
      console.log("Length: " + res.value.byteLength)
      console.log("hex value: " + ab2hex(res.value))
      that.setData({
        info: that.data.info + ab2hex(res.value)
      })
 
    })
 
  },
 
 
 
 
  lanyatest11(event){
    var that = this
    //var hex = that.data.sendmsg  //要发送的信息
    
    var myUUID = toPlatformString(that.data.systemInfo, that.data.servicesUUID);  //具有写、通知属性的服务uuid
    var writeCharId = toPlatformString(that.data.systemInfo, that.data.writeCharacteristicsId);	
	
	//console.log('要发送的信息是：'+hex)
       
    //var typedArray1 = new Uint8Array(hex.match(/[\da-f]{2}/gi).map(function (h) {
    //    return parseInt(h, 16)
    //}))
	//console.log(typedArray1)

    var typedArray = packData(that.data.userTelephone, that.data.userPassword, that.data.pwd, that.data.openLockType)

	console.log(typedArray)
    	
	wx.writeBLECharacteristicValue({
      deviceId: that.data.connectedDeviceId,
      serviceId: myUUID, 
      characteristicId: writeCharId,
      // 这里的value是ArrayBuffer类型
      value: typedArray.buffer,
      success: function (res) {
        console.log('写入成功', res.errMsg)
      },
      fail(res){
        console.log('写入失败', res.errMsg)
      }
    })
	
  },
 
 
 
  //获取输入框的数据
  getmsg(event){
    this.setData({
      sendmsg:event.detail.value
    })
    
  },
 
 
  lanyatest12(event){
    var that = this;
    wx.closeBLEConnection({
      deviceId: that.data.connectedDeviceId,
      success: function (res) {
        that.setData({
          connectedDeviceId: "",
        })
        console.log('断开蓝牙设备成功：' + res.errMsg)
      },
      fail:function(res){
        console.log('断开蓝牙设备失败：' + res.errMsg)
      }
    })
  },
 
})
 

function toPlatformString(systemInfo, str)
{
	if (systemInfo.platform == 'android')
		return str.toLowerCase();
	else if (systemInfo.platform == 'ios')
	    return str.toUpperCase();
	else
		return str;
} 

/**
 * 版本比较
 */
function versionCompare (ver1, ver2) { //版本比较
    // console.log("ver1" + ver1 + 'ver2' + ver2);
    var version1pre = parseFloat(ver1)
    var version2pre = parseFloat(ver2)
    var version1next = parseInt(ver1.replace(version1pre + ".", ""))
    var version2next = parseInt(ver2.replace(version2pre + ".", ""))
    if (version1pre > version2pre)
        return true
    else if (version1pre < version2pre)
        return false
    else {
        if (version1next > version2next)
            return true
        else
            return false
    }
}
 
/**
 * 微信版本检测
 * Android从微信 6.5.7 开始支持，iOS从微信 6.5.6 开始支持
 */
function checkWechatVersion(systemInfo) {

    if (systemInfo.platform == 'android' && versionCompare('6.5.7', systemInfo.version)) {
        wx.showModal({
            title: '提示',
            content: '当前微信版本过低，请更新至最新版本体验',
            showCancel: false
        })
    }else if (systemInfo.platform == 'ios' && versionCompare('6.5.6', systemInfo.version)) {
        wx.showModal({
            title: '提示',
            content: '当前微信版本过低，请更新至最新版本体验',
            showCancel: false
        })
    }
}


function Uint8ArrayToString(fileData){
  var dataString = "";
  for (var i = 0; i < fileData.length; i++) {
    dataString += String.fromCharCode(fileData[i]);
  }
  return dataString
}

 
// 微信官方给的ArrayBuffer转十六进制示例
function ab2hex(buffer) {
  var hexArr = Array.prototype.map.call(
    new Uint8Array(buffer),
    function (bit) {
      return ('00' + bit.toString(16)).slice(-2)
    }
  )
  return hexArr.join(',');
}


          //转成可展会的文字
function hexCharCodeToStr(hexCharCodeStr) {
    var trimedStr = hexCharCodeStr.trim();
    var rawStr = trimedStr.substr(0, 2).toLowerCase() === '0x' ? trimedStr.substr(2) : trimedStr;
    var len = rawStr.length;
    var curCharCode;
    var resultStr = [];
    for (var i = 0; i < len; i = i + 2) {
        curCharCode = parseInt(rawStr.substr(i, 2), 16);
        resultStr.push(String.fromCharCode(curCharCode));
    }
    return resultStr.join('');
}

        //转换成需要的格式
function buf2string(buffer) {
    var arr = Array.prototype.map.call(new Uint8Array(buffer), x => x)
    
	return arr.map((char, i) => {
            return String.fromCharCode(char);
    }).join('');
}




	
	
	function stringToUint8Array(str){
        let arr = [];
        for (let i = 0, j = str.length; i < j; ++i) {
            arr.push(str.charCodeAt(i));
        }
        let tmpUint8Array = new Uint8Array(arr);
        return tmpUint8Array
    }
	
    function decodeHexNibble(c) {
        if (c >= 48 && c <= 57) {
            return c - 48;
        } else if (c >= 65 && c <= 70) {
            return c - 65 + 10;
        } else {
            return c >= 97 && c <= 102 ? c - 97 + 10 : -1;
        }
    }
	
    function decodeHexByte(s, pos) {
        let hi = decodeHexNibble(s.charCodeAt(pos));
        let lo = decodeHexNibble(s.charCodeAt(pos + 1));
        return ((hi << 4) + lo);
    }

    function hexStringToBytesWithPadding(str, byteLen, padding) {
      let len = str.length  
      
      let length = 2 * byteLen
        
        if (length >= len && (length & 1) == 0) {
            if (length == 0) {
                return [0];
            } else {
		        //let buffer = new ArrayBuffer(length >>> 1);
	 	        //let bytes = new Uint8Array(buffer);
                let bytes = new Uint8Array(length >>> 1);				

                for(let i = 0; i < len; i += 2) {
                    bytes[i >>> 1] = decodeHexByte(str, i);	
                }

                for(let i = 0; i < byteLen-len/2; i++)
                    bytes[len/2+i] = padding;

                return bytes;
            }
        }  
		else
			return [0];
    }	
	
	
   function hexStringToBytes(str) {
		let s = str;	
		if(s.length < 12)
		{
		   let tmp = 12-s.length
		   for(let i = 0; i< tmp; i++)
              s = "0" + s;			   
		}
		else
			s = str.substr(s.length-12, s.length);

		let start = 0
		let length = s.length
		
        if (length >= 0 && (length & 1) == 0) {
            if (length == 0) {
                return new byte[0];
            } else {
                let bytes = new Uint8Array(length >>> 1);

                for(let i = 0; i < length; i += 2) {
                    bytes[i >>> 1] = decodeHexByte(s, start + i);
                }

                return bytes;
            }
        }
		else
			return [0];
			
    }	
	
	
	function packData(userTelephone, userPassword, pwd, openLockType)
	{    
		let cmd = 0x41
		
		let ut = stringToUint8Array(userTelephone)
        let up = stringToUint8Array(userPassword)
        let p = hexStringToBytesWithPadding(pwd, 10, 0xff)		   
        let length =  1+11+6+10+1

	 	let b = new Uint8Array(length)

        b[0] = cmd
        b.set(ut, 1)
		b.set(up, 12)
		b.set(p, 18)
		b[28] = openLockType
		
		console.log(b)
		
		return packMsg(0x41, b, length)
	}
	
	function packMsg(cmd, data, payloadLength)
	{
		let length = 13 + payloadLength
		//let buffer = new ArrayBuffer(length);
	 	let b = new Uint8Array(length);
 
        b[0] = 0x89;
        b[1] = 0x89;
        b[2] = cmd;
        
        let timestamp = new Date().getTime();	
        let ts = timestamp.toString(16)		
		let t = hexStringToBytes(ts)
	
		b.set(t, 4)	
		
		b[3] = b[9];
		
		b[10] = (payloadLength>>8)&0xff;
		b[11] = payloadLength & 0xff;
		
		let key = b[3];
        for (let i=0; i<payloadLength; i++) {
            data[i] -= (payloadLength - i) ^ key;
            data[i] = (data[i] ^ (key ^ i));
        }		
			
		b.set(data, 12)	
			
	    let xor = b[0];
        for (let i=1; i<length-1; i++)
            xor ^= b[i];

		b[length-1] = xor;
		
		return b;
	
	}