/* 
Created by: Kenrick Beckett

Name: Chat Engine
*/

var instanse = false;
var state;
var mes;
var file;

function Chat() {
  this.update = updateChat;
  this.send = sendChat;
  this.getState = getStateOfChat;
}

//gets the state of the chat
function getStateOfChat() {
  if (!instanse) {
    instanse = true;
    $.ajax({
      type: "POST",
      url: "custom/chat/process.php",
      data: {
        'function': 'getState',
        'file': file
      },
      dataType: "json",

      success: function (data) {
        state = data.state;
        instanse = false;
      }
    });
  }
}

//Updates the chat
function updateChat() {
  if (!instanse) {
    instanse = true;
    $.ajax({
      type: "POST",
      url: "custom/chat/process.php",
      data: {
        'function': 'update',
        'state': state,
        'file': file
      },
      dataType: "json",
      success: function (data) {
        if (data.text) {
          for (var i = 0; i < data.text.length; i++) {
            $('#chat-area').append($("<p>" + data.text[i] + "</p>"));
          }
        }
        document.getElementById('chat-area').scrollTop = document.getElementById('chat-area').scrollHeight;
        instanse = false;
        state = data.state;
      }
    });
  }
  else {
    setTimeout(updateChat, 1500);
  }
}

//send the message
function sendChat(message, nickname) {
  updateChat();
  $.ajax({
    type: "POST",
    url: "custom/chat/process.php",
    data: {
      'function': 'send',
      'message': message,
      'nickname': nickname,
      'file': file
    },
    dataType: "json",
    success: function (data) {
      updateChat();
    }
  });
}