//connecting to our signaling server
var conn = new WebSocket('ws://localhost:9090');
  
conn.onopen = function () { 
   console.log("Connected to the signaling server"); 
};
  
//when we got a message from a signaling server 
conn.onmessage = function (msg) { 
    console.log("Got message", msg.data);

    var data = JSON.parse(msg.data); 

    switch(data.type) { 
        case "login": 
            handleLogin(data.success); 
            break; 
        
        case "offer": 
            handleOffer(data.offer, data.name); 
            break; 

        case "answer": 
            handleAnswer(data.answer, data.name); 
            break; 
        
        case "candidate": 
            handleCandidate(data.candidate, data.name); 
            break; 

        case "userlist":
            handleUserlist(data);
            break;

        case "leave": 
            handleLeave(); 
            break; 

        case "video-offer":
            handleVideoOffer(data.sdp, data.name);
            break;
    
        case "video-answer":
            handleVideoAnswer(data.sdp, data.name);
            break;

        default: 
            break; 
    }
};
  
conn.onerror = function (err) { 
   console.log("Got error", err); 
};

//alias for sending JSON encoded messages 
function send(message) {     
    console.log("Sended message", message);
    conn.send(JSON.stringify(message)); 
 };