var outgoingSession = null,incomingSession = null,currentSession = null,nativeStream = null,callVideoState= null,callVideoFail = null,
    inComing = true,sip_uri_, sip_password_, ws_uri_,localStream = null,userAgent = null,currentVideoIndex = 0,registrationState = null;
var getWidthScale = document.documentElement.clientWidth; //监测浏览器的宽度
var myVideoView = document.getElementById('myVideo'); //我的本地视频
var videoView_1 = document.getElementById('videoView'); //对方的视频信息
console.log(getWidthScale)
$(function(){
  $(".videoList").css({
    "height":getWidthScale*0.8/1.6+"px",
  })
  
  $(".videoMy").css({
    "height":getWidthScale*0.8/1.6+"px",
  })
  
})

//开启本地摄像头
function captureLocalMediaVideo() {
  navigator.getUserMedia({
    video: true,
    audio: false
  }, function(stream) {
    nativeStream = stream;
    myVideoView.srcObject = stream;
  }, function(e) {
    alert('getUserMedia() error: ' + e.name);
  });
}
//获取本地媒体流
function localMediaStream() {
	navigator.getUserMedia({
	  video:true,
	  audio: true
	}, function(stream) {
    if(callVideoState){
      localStream = stream;
      sipCallVideo();
    }
	  
	 
	}, function(e) {
	  alert('getUserMedia() error: ' + e.name);
	});
}
// 关闭摄像头
function closeMediaVideo() {
	//console.log("1213")
  if(nativeStream){
    nativeStream.getTracks().forEach(function(track) {
      track.stop();
    });
  }
  if(localStream){
    localStream.getTracks().forEach(function(track) {
      track.stop();
    });
  }
  
}

function testStart() {
  
  // sip_uri_ = "sip:" + selectExten + "@zmd.xjt.net.cn"; //zmd.xjt.net.cn   sip.800100.com.cn
  // sip_password_ = selectExten.toString(); //zhumadian12345800100
	
	//sip_uri_ = "sip:" + selectExten + "@12345sp1.zhumadian.gov.cn"; // 12345sp.zwfw.anyang.gov.cn
  sip_uri_ = "sip:" + selectExten + "@12345sp.zwfw.anyang.gov.cn";
	sip_password_ = "123456"; //zhumadian12345800100
  //ws_uri_ = "wss://zmd.xjt.net.cn:7443";
	//ws_uri_ = "wss://12345sp2.zhumadian.gov.cn:7443";
  ws_uri_ = "wss://12345sp.zwfw.anyang.gov.cn:7443";
  console.info("get input info: sip_uri = ", sip_uri_, " sip_password = ", sip_password_, " ws_uri = ", ws_uri_);
  var socket = new JsSIP.WebSocketInterface(ws_uri_);
  var configuration = {
    sockets: [socket],
    outbound_proxy_set: ws_uri_,
    uri: sip_uri_, //与用户代理关联的SIP URI（字符串）。这是您的提供商提供给您的SIP地址
    password: sip_password_, //SIP身份验证密码
	contact_uri: 'sip:'+selectExten+'@12345sp1.zhumadian.gov.cn;transport=wss',
	//stun_servers: stun_servers,
	//contact_uri: 'sip:'+extno+'@'+returnCitySN["cip"]+';transport=ws', 
    register: true, //指示启动时JsSIP用户代理是否应自动注册
    session_timers: false,//启用会话计时器（根据RFC 4028）
  };
  userAgent = new JsSIP.UA(configuration);

  //成功注册成功,data:Response JsSIP.IncomingResponse收到的SIP 2XX响应的实例
  userAgent.on('registered', function(data) {
    console.info("registered: ", data.response.status_code, ",", data.response.reason_phrase);
		$(".titText").show();
		$(".titText").html(selectExten + "注册成功");
		registrationState = true;
		top.Connect();
		
  });
  //由于注册失败而被解雇,data:Response JsSIP.IncomingResponse接收到的SIP否定响应的实例，如果失败是由这样的响应的接收产生的，否则为空
  userAgent.on('registrationFailed', function(data) {
    console.log("registrationFailed, ", data);
    //console.warn("registrationFailed, ", data.response.status_code, ",", data.response.reason_phrase, " cause - ", data.cause);
  });

  //1.在注册到期之前发射几秒钟。如果应用程序没有为这个事件设置任何监听器，JsSIP将像往常一样重新注册。
  userAgent.on('registrationExpiring', function() {
    //==console.warn("registrationExpiring");
  });

  //为传入或传出会话/呼叫激发。data:
  userAgent.on('newRTCSession', function(data) {
    //console.info('onNewRTCSession: ', data);
    console.info('onNewRTCSession: ', data);
    var originator = data.originator;
    var session = data.session;
    var request = data.request;
    if (data.originator == 'remote') { //incoming call
    	//console.log(JSON.stringify(data));
    	console.info("incomingSession, answer the call");
    	incomingSession = data.session;
    	$(".videoBtn").show();
    	$(".vidDrop").hide();		
    	$(".videoCall").show();
    	$(".videoList").hide();
    	$(".videoMy").hide();				
    	$('.maxOpen').trigger("click");
      captureLocalMediaVideo()
      localMediaStream()
    } else {
    	console.info("2");
    	//console.info("outgoingSession");
    	outgoingSession = data.session;
    	outgoingSession.on('connecting', function(data) {
    		//console.info('onConnecting - ', data.request);
    		currentSession = outgoingSession;
    		outgoingSession = null;
    	});
    }
    
    //接受呼叫时激发
    data.session.on('accepted', function(data) {
      console.info("3");
      //console.info('onAccepted - ', data);
      if (data.originator == 'remote' && currentSession == null) {
        currentSession = incomingSession;
        incomingSession = null;
        //console.info("setCurrentSession - ", currentSession);
      }
    });
    //确认呼叫后激发
    data.session.on('confirmed', function(data) {
      console.info("4");
      //console.info('onConfirmed - ', data);
      $(".callStyle").text("通话中");
      
      if (data.originator == 'remote' && currentSession == null) {
        currentSession = incomingSession;
        incomingSession = null;
        //console.info("setCurrentSession - ", currentSession);
      }
    });
    //在将远程SDP传递到RTC引擎之前以及在发送本地SDP之前激发。此事件提供了修改传入和传出SDP的机制。
    data.session.on('sdp', function(data) {
      console.info("5");
    });
    //接收或生成对邀请请求的1XX SIP类响应（>100）时激发。该事件在SDP处理之前触发（如果存在），以便在需要时对其进行微调，甚至通过删除数据对象中响应参数的主体来删除它
    data.session.on('progress', function(data) {
      console.info("6");
      //console.info('onProgress - ', data.originator);
      if (data.originator == 'remote') {
        //console.info('onProgress, response - ', data.response);
      }
    });
    //创建基础RTCPeerConnection后激发。应用程序有机会通过在peerconnection上添加RTCDataChannel或设置相应的事件侦听器来更改peerconnection。
    data.session.on('peerconnection', function(data) {

      console.info('onPeerconnection ----创建基础RTCPeerConnection后激发 ');
      var datachannel;
      datachannel = data.peerconnection.createDataChannel('chat');
      console.log("1111" + datachannel)
      callVideoFail = false;
      if (inComing) {
        inComing =false;
      	data.peerconnection.onaddstream = function(ev) {
          
          $(".videoMy").show();    
      		$(".videoBtn").hide();
      		$(".videoList").show();
      		$(".vidDrop").show();
      		videoView_1.srcObject = ev.stream;
      		
      	}
      }
    });
  });
  //为传入或传出消息请求激发。data:
  //     originator：'remote',新消息由远程对等方生成；'local',新消息由本地用户生成。
  //      message:JsSIP.Message 实例。
  //      request:JsSIP.IncomingRequest收到的MESSAGE请求的实例；JsSIP.OutgoingRequest传出MESSAGE请求的实例
  userAgent.on('newMessage', function(data) {
    console.info("8");
    if (data.originator == 'local') {
      //console.info('onNewMessage , OutgoingRequest - ', data.request);
    } else {
      //console.info('onNewMessage , IncomingRequest - ', data.request);
    }
  });

  console.info("call register");
  //连接到信令服务器，并恢复以前的状态，如果以前停止。重新开始时，如果UA配置中的参数设置为register:true，则向SIP域注册。
  userAgent.start();
}

// Register callbacks to desired call events
var eventHandlers = {
  'progress': function(e) {
    console.log('call is in progress');
  },
  'failed': function(e) {
    console.log('call failed: ', e);
    if(callVideoFail){
      setTimeout(function(){videoCall()},2000)
    }
  },
  'ended': function(e) {
    console.log('call ended : ', e);
    dropCall();
  },
  'confirmed': function(e) {
    console.log('call confirmed');
  }
};

//视频呼叫
function audioCall(callPhone) {
  if($("#numberCall").val()<1005||$("#numberCall").val()>1010){
    alert("账号不正确，请重新输入")
  } else{
    inComing = true
    callVideoState = true ;
    localMediaStream();
    captureLocalMediaVideo();
    $(".videoCall").show();
    $(".callStyle").text("连接中");
    
  }
	
}
function sipCallVideo(){
  callVideoFail = true;
  if(localStream){
    var sip_phone_number_ = $("#numberCall").val().toString();
    var options = {
    	'eventHandlers': eventHandlers,
    	'mediaConstraints': {
    		'audio': true,
    		'video': {
    		  'width': 320,
    		  'height': 240 
    		}   
    	
    	},
    	'mediaStream': localStream
    };
    callVideoState = false;
    outgoingSession = userAgent.call(sip_phone_number_, options);
    
  }
  
}
//接听
function answerCall() {
  inComing = true;
	console.log(incomingSession)
 
	if (incomingSession) {
		incomingSession.answer({
			'mediaConstraints': {
				'audio': true,
				'video': {
				  'width': 320,
				  'height': 240 
				}   
			},
			'mediaStream': localStream
		});
		incomingSession = null;
	}
}
//注销
function unReg() {
	console.log('注销----------->');
	userAgent.unregister(true);
}
//挂断
function dropCall() {
	console.log('挂断----------->');
	userAgent.terminateSessions();
  $(".callStyle").text("")
	closeMediaVideo();
	$(".videoCall").hide();
}