var App = function() {
  function init() {
    tips();
    preset();
    draggable();
    droppable();
    openCard();
    createTask();
    closeModal();
    printNotes();
    editTask();
    exitEditMode();
  }
  
  function preset() {
    $('#remove').on('click', function(e) {
      e.preventDefault();
    });
    
    var defaultTask = {
      id: 1,
      title: 'This is a sample task',
      description: 'Sample tasks are useful to get started',
      remote_url: 'https://asana.com/12345/1234',
      assigned_to: 'Jon Doe',
      status: 'pending'
    }
    
    if(!LocalStorage.get('appInitialized', true)) {
      LocalStorage.set('taskCounter', 1);
      LocalStorage.set('task-1', JSON.stringify(defaultTask));
      LocalStorage.set('appInitialized', true);
    }
  }
  
  function createTask() {
    var source = $("#task-card-template").html();
    var template = Handlebars.compile(source);
    
    $('#add-task').on('click', function(e) {
      e.preventDefault();
      $('#add-task-modal').removeClass('hide');
      
      $('#add-task-modal').find('form').on('submit', function(e) {
        e.preventDefault();
        var obj = {};
        var params = $(this).serialize();
        var splitParams = params.split('&');
        
        for(var i = 0, l = splitParams.length; i < l; i++) {
          var keyVal = splitParams[i].split('=');
          obj[keyVal[0]] = unescape(keyVal[1]);
        }
        
        // TODO: Add validations
        if(obj.description === '' || obj.title === '') {
          return;
        }
        
        var iid = LocalStorage.get('taskCounter');
        obj.id = ++iid;
        obj.status = 'pending';
        LocalStorage.set('task-' + obj.id, JSON.stringify(obj));
        LocalStorage.set('taskCounter', iid);
        
        var newCard = template([obj]);
        $('#dashboard #' + obj.status).append(newCard);
        draggable();
        
        $('.close-modal').trigger('click');
        
        //Clear form fields after submit
        $(this).find('input[type=text], textarea').val('');
      });
      
    });
  }
  
  function editTask() {
    $(document).on('dblclick', '.card-details p', function(e) {
      e.stopPropagation();
      $(this).attr('contenteditable','true').parents('.card').addClass('edit-mode');
    });
    
    $('.card').find('p').on('input', function() {
      var taskId = $(this).parents('.card').data('task-id');
      var fieldToEdit = $(this).data('field');
      var getTaskData = JSON.parse(LocalStorage.get('task-' + taskId));
      
      getTaskData[fieldToEdit] = $(this).text();
      
      LocalStorage.set('task-' + taskId, JSON.stringify(getTaskData));
    });
  }
  
  function exitEditMode() {
    $(document).on('dblclick', function(e) {
      $('.card').removeClass('edit-mode').find('[contenteditable]').removeAttr('contenteditable');
    });
  }
  
  function closeModal() {
    $('.close-modal').on('click', function() {
      $('.modal').addClass('hide');
    })
  }
  
  function draggable() {
    $('.card').draggable({
      handle: 'h5',
      revert: true,
      cursor: 'move',
      start: function(event, ui) {
        
      },
      stop: function(event, ui) {
        
      }
    });
  }
  
  function droppable() {
    var droppableConfig = {
      tolerance: 'pointer',
      drop: function(event, ui) {
        var elm = ui.draggable,
            parentId = elm.parent().attr('id'),
            currentId = $(this).attr('id'),
            taskId = elm.data('task-id');
        
        if($(this).attr('id') == 'remove') {
          //Deletes task
          elm.remove();
          LocalStorage.remove('task-' + taskId);
          $('#removed-task-notification').text('Task removed successfully').removeClass('hide');
          
          
          setTimeout(function() {
            $('#removed-task-notification').text('').addClass('hide');
          }, 3000);
        } else {
          //Moves task
          if(parentId != currentId) {
            $(elm).detach().removeAttr('style').appendTo(this);
            
            var getTaskData = JSON.parse(LocalStorage.get('task-' + taskId));
            getTaskData.status = currentId;
            
            LocalStorage.set('task-' + taskId, JSON.stringify(getTaskData));
          }
        }
        
        $(this).removeClass('dragged-over');
      },
      over: function(event, ui) {
        $(this).addClass('dragged-over');
      },
      out: function(event, ui) {
        $(this).removeClass('dragged-over');
      }
    }
    
    $('#dashboard > div, #remove').droppable(droppableConfig);
  }
  
  function openCard() {
    $(document).on('click', '.expand-card', function(e) {
      $(this).parent().toggleClass('expanded');
      e.preventDefault();
    });
  }
  
  function getAllNotes() {
    var getAllData = localStorage;
    var getTasks = [];
    
    for(var data in getAllData) {
      if(data.split('-')[0] == 'task') {
        getTasks.push(JSON.parse(localStorage[data]));
      }
    }
    
    return getTasks;
  }
  
  function printNotes() {
    var source = $("#task-card-template").html();
    var template = Handlebars.compile(source);
    
    var status = ['rejected', 'pending', 'development', 'testing', 'production'];
    
    for(var i = 0, l = status.length; i < l; i++) {
      var result = App.getAllNotes().filter(function(obj) {
        return obj.status == status[i];
      });
      
      if(result) {
        var cards = template(result);
        $('#dashboard #' + status[i]).append(cards);
        draggable();
      }
    }
  }
  
  function tips() {
    if(!JSON.parse(LocalStorage.get('showedTip'))) {
      $('#tips').removeClass('hide').addClass('tips');
    }
    
    $('#tips').on('click', function() {
      $(this).addClass('hide');
      LocalStorage.set('showedTip', true);
    });
  }
  
  return {
    init: init,
    getAllNotes: getAllNotes
  }
}();

App.init();