// Interaktivnost

var socket = new WebSocket(location.origin.replace(/https?/, 'wss'));

function throttle (cb, limit) {
  var w = false;
  return function () {
    if (!w) {
      cb.apply(this, arguments);
      w = true;
      setTimeout(function () {
        w = false;
      }, limit);
    }
  }
}

inputi = {
    "fov": {
        val: 120,
        min: 30,
        max: 179
    },
    "sirina": {
        val: 2,
        min: 1,
        max: 6,
        step: 0.1
    },
    "visina": {
        val: 2,
        min: 1,
        max: 6,
        step: 0.1
    },
    "obj_limit": {
        val: 1000,
        min: 1,
        max: 10000
    },
    "rotx": {
        val: 0,
        min: -0.1,
        max: 0.1,
        step: 0.001
    },
    "roty": {
        val: 0,
        min: -0.1,
        max: 0.1,
        step: 0.001
    },
    "rotz": {
        val: 0,
        min: -0.1,
        max: 0.1,
        step: 0.001
    },
    "barva_mod": {
        val: 0.001,
        min: 0.001,
        max: 0.18,
        step: 0.001
    },
    "cam_rot_offset": {
        val: 0,
        min: -10,
        max: 10,
        step: 0.1
    }
};

Object.keys(inputi).map(function (name) {
    var valEl = document.getElementById(name + "Val");
    if (!valEl) { return; }

    var ctlEl = document.getElementById(name + "Ctl");
    var params = inputi[name];

    var step = params.step;
    if (!step) step = 1;
    noUiSlider.create(ctlEl, {
        start: [params.val],
        range: {
            min: [params.min],
            max: [params.max]
        },
        step: step
    });

    ctlEl.noUiSlider.on('slide', throttle(function(val) {
        console.log("update!");
        var value = val[0];
        valEl.innerHTML = value;
      socket.send(['adjust', name, value].join(':'));
    }, 125));

    valEl.innerHTML = ctlEl.noUiSlider.get();
});


callbacks = {
    fov: function(val) {
        if (typeof camera === 'undefined') return;
        FOV = val;
        camera.fov = val;
        camera.updateProjectionMatrix();
    },
    sirina: function(val) {
        width = parseFloat(val);
    },
    visina: function (val) {
        height = parseFloat(val);
    },
    rotx: function(val) {
        rotacijaX = parseFloat(val);
    },
    roty: function(val) {
        rotacijaY = parseFloat(val);
    },
    rotz: function(val) {
        rotacijaZ = parseFloat(val);
    },
    obj_limit: function(val) {
        obj_limit = parseInt(val);
    },
    default: function(name, val) {
        window[name] = parseFloat(val);
    }
};

socket.onmessage = function (msg) {
  var parts = msg.data.split(":");
  var cmd = parts[0];

  switch (cmd) {
  case 'adjust':
    var name = parts[1];
    var val = parts[2];

    if (name in callbacks) {
        callbacks[name].call(this, val);
    } else {
        callbacks["default"].call(this, name, val);
    }

    var valEl = document.getElementById(name + "Val");
    if (!valEl) { return; }
    var ctlEl = document.getElementById(name + "Ctl");

    ctlEl.noUiSlider.set(val, false);
    valEl.innerHTML = ctlEl.noUiSlider.get();
  }
};