const UI_TITEL = 0;
const UI_LABEL = 1;
const UI_BUTTON = 2;
const UI_SWITCHER = 3;
const UI_PAD = 4;
const UI_CPAD = 5;
const UPDATE_LABEL = 6;
const UPDATE_SWITCHER = 7;

const FOR = 0;
const BACK = 1;
const LEFT = 2;
const RIGHT = 3;
const CENTER = 4;

var websock;

function start() {
  websock = new WebSocket('ws://' + window.location.hostname + '/ws');
  websock.onopen = function(evt) {
    console.log('websock open');
    $("#conStatus").addClass("color-green");
    $("#conStatus").text("Connected");
   };
  websock.onclose = function(evt) {
    console.log('websock close');
    $("#conStatus").removeClass("color-green");
    $("#conStatus").addClass("color-red");
    $("#conStatus").text("Error / No Connection");
  };
  websock.onerror = function(evt) {
    console.log(evt);
    $("#conStatus").removeClass("color-green");
    $("#conStatus").addClass("color-red");
    $("#conStatus").text("Error / No Connection");
  };
  websock.onmessage = function(evt) {
    console.log(evt);
    var data = JSON.parse(evt.data);
    var e = document.body;
    var center = "";
    switch(data.type){
      case UI_TITEL:
        document.title = data.label;
        $('#mainHeader').html(data.label);
      break;
      case UI_LABEL:
        $('#row').append("<div class='two columns card'><h5 id='"+data.id+"'>"+data.label+"</h5><hr /><span id='l"+data.id+"' class='label'>"+data.value+"</span></div>");
      break;
      case UI_BUTTON:
        $('#row').append("<div class='two columns card'><h5>"+data.label+"</h5><hr/><button onmousedown='buttonclick("+data.id+", true)' onmouseup='buttonclick("+data.id+", false)' id='"+data.id+"'></button></div>");
        $('#'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); buttonclick(data.id, true) } });
        $('#'+data.id).on({ 'touchend' : function(e){e.preventDefault(); buttonclick(data.id, false) } });
      break;
      case UI_SWITCHER:
      var label = "<label id='sl"+data.id+"' class='switch checked'>";
      var input = "<input type='checkbox' id='s"+data.id+"' onClick='switcher("+data.id+",null)' checked>";
      if(data.value == "0"){
        label = "<label id='sl"+data.id+"' class='switch'>";
        input = "<input type='checkbox' id='s"+data.id+"' onClick='switcher("+data.id+",null)' >";
      }
      $('#row').append(
      "<div id='"+data.id+"' class='two columns card'><h5>"+data.label+"</h5><hr/>" +
      label + "<i class='icon-ok'></i>" +
      "<i class='icon-remove'></i>" + input +
      "</label>" +
      "</div>");
      break;
      case UI_CPAD:
      center = "<a class='confirm' onmousedown='padclick(CENTER, "+data.id+", true)' onmouseup='padclick(CENTER, "+data.id+", false)' href='#' id='pc"+data.id+"'>OK</a>";
      //NO BREAK
      case UI_PAD:
      $('#row').append(
      "<div class='two columns card'><h5>"+data.label+"</h5><hr/>"+
      "<nav class='control'>"+
      "<ul>"+
      "<li><a onmousedown='padclick(FOR, "+data.id+", true)' onmouseup='padclick(FOR, "+data.id+", false)' href='#' id='pf"+data.id+"'>▲</a></li>" +
      "<li><a onmousedown='padclick(RIGHT, "+data.id+", true)' onmouseup='padclick(RIGHT, "+data.id+", false)' href='#' id='pr"+data.id+"'>▲</a></li>" +
      "<li><a onmousedown='padclick(LEFT, "+data.id+", true)' onmouseup='padclick(LEFT, "+data.id+", false)' href='#' id='pl"+data.id+"'>▲</a></li>" +
      "<li><a onmousedown='padclick(BACK, "+data.id+", true)' onmouseup='padclick(BACK, "+data.id+", false)' href='#' id='pb"+data.id+"'>▲</a></li>" +
      "</ul>"+
      center +
      "</nav>"+
      "</div>");

      $('#pf'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(FOR, data.id, true) } });
      $('#pf'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(FOR, data.id, false) } });
      $('#pl'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(LEFT, data.id, true) } });
      $('#pl'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(LEFT, data.id, false) } });
      $('#pr'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(RIGHT, data.id, true) } });
      $('#pr'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(RIGHT, data.id, false) } });
      $('#pb'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(BACK, data.id, true) } });
      $('#pb'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(BACK,data.id, false) } });
      $('#pc'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(CENTER, data.id, true) } });
      $('#pc'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(CENTER,data.id, false) } });

      break;
      case UPDATE_LABEL:
      $('#l'+data.id).html(data.value);
      break;
      case UPDATE_SWITCHER:
      if(data.value == "0")
        switcher(data.id, 0);
      else
        switcher(data.id, 1);
      break;
      default:
        console.error('Unknown type or event');
      break;
    }
  };
}


function buttonclick(number, isdown) {
  if(isdown)websock.send("bdown:"+number);
  else websock.send("bup:"+number);
}

function padclick(type, number, isdown) {
  switch(type){
    case CENTER:
      if(isdown)websock.send("pcdown:"+number);
      else websock.send("pcup:"+number);
    break;
    case FOR:
      if(isdown)websock.send("pfdown:"+number);
      else websock.send("pfup:"+number);
    break;
    case BACK:
      if(isdown)websock.send("pbdown:"+number);
      else websock.send("pbup:"+number);
    break;
    case LEFT:
      if(isdown)websock.send("pldown:"+number);
      else websock.send("plup:"+number);
    break;
    case RIGHT:
      if(isdown)websock.send("prdown:"+number);
      else websock.send("prup:"+number);
    break;

  }
}

function switcher(number, state){
  if(state == null){
    if($('#s'+number).is(':checked')){
      websock.send("sactive:"+number);
      $('#sl'+number).addClass('checked');
    }else {
      websock.send("sinactive:"+number);
      $('#sl'+number).removeClass('checked');
    }
  }else if(state == 1){
    $('#sl'+number).addClass('checked');
    $('#sl'+number).prop( "checked", true );
  }else if(state == 0){
    $('#sl'+number).removeClass('checked');
    $('#sl'+number).prop( "checked", false );
  }
}