// Roadmap:
// Build a serial Console?

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 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></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_CPAD:
      center = "<a class='confirm' onmousedown='padclick(CENTER, "+data.id+", true)' onmouseup='padclick(CENTER, "+data.id+", false)' href='#' id='c"+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='f"+data.id+"'>▲</a></li>" +
      "<li><a onmousedown='padclick(RIGHT, "+data.id+", true)' onmouseup='padclick(RIGHT, "+data.id+", false)' href='#' id='r"+data.id+"'>▲</a></li>" +
      "<li><a onmousedown='padclick(LEFT, "+data.id+", true)' onmouseup='padclick(LEFT, "+data.id+", false)' href='#' id='l"+data.id+"'>▲</a></li>" +
      "<li><a onmousedown='padclick(BACK, "+data.id+", true)' onmouseup='padclick(BACK, "+data.id+", false)' href='#' id='b"+data.id+"'>▲</a></li>" +
      "</ul>"+
      center +
      "</nav>"+
      "</div>");

      $('#f'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(FOR, data.id, true) } });
      $('#f'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(FOR, data.id, false) } });
      $('#l'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(LEFT, data.id, true) } });
      $('#l'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(LEFT, data.id, false) } });
      $('#r'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(RIGHT, data.id, true) } });
      $('#r'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(RIGHT, data.id, false) } });
      $('#b'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(BACK, data.id, true) } });
      $('#b'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(BACK,data.id, false) } });
      $('#c'+data.id).on({ 'touchstart' : function(e){e.preventDefault(); padclick(CENTER, data.id, true) } });
      $('#c'+data.id).on({ 'touchend' : function(e){e.preventDefault(); padclick(CENTER,data.id, false) } });

      break;
      case UPDATE_LABEL:
      $('#'+data.id).html(data.label);
      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;

  }
}