// The root URL for the RESTful services
var rootURL = "/dmvc/api/wines";

var currentWine;

$(document).ready(function(){
	//pupulate years combo
	for (i = new Date().getFullYear(); i > 1940; i--)
	{
			$('#year').append($('<option />').val(i).html(i));
	}

  // Retrieve wine list when application starts
  findAll();
  // Nothing to delete in initial application state
  $('#btnDelete').hide();

  // Register listeners
  $('#btnSearch').click(function() {
      search($('#searchKey').val());
      return false;
  });

  // Trigger search when pressing 'Return' on search key input field
  $('#searchKey').keypress(function(e){
      if(e.which == 13) {
          search($('#searchKey').val());
          e.preventDefault();
          return false;
      }
  });

  $('#btnAdd').click(function() {
      newWine();
      return false;
  });

  $('#btnSave').click(function() {
      if ($('#wineId').val() == '')
			{
          addWine();

			}
      else
          updateWine();
      return false;
  });

  $('#btnDelete').click(function() {
      deleteWine();
      return false;
  });

  $('#wineList a').live('click', function() {
      findById($(this).data('identity'));
  });

  // Replace broken images with generic wine bottle
  $("img").error(function(){
    $(this).attr("src", "pics/generic.jpg");

  });

});


function search(searchKey) {
	if (searchKey == '')
		findAll();
	else
		findByName(searchKey);
}

function newWine() {
	$('#btnDelete').hide();
	currentWine = {};
	renderDetails(currentWine); // Display empty form
}

function findAll() {
	console.log('findAll');
	$.ajax({
		type: 'GET',
		url: rootURL,
		dataType: "json", // data type of response
		success: renderList
	});
}

function findByName(searchKey) {
	console.log('findByName: ' + searchKey);
	$.ajax({
		type: 'GET',
		url: rootURL + '/search/' + searchKey,
		dataType: "json",
		success: renderList
	});
}

function findById(id) {
	console.log('findById: ' + id);
	$.ajax({
		type: 'GET',
		url: rootURL + '/' + id,
		dataType: "json",
		success: function(data){
			$('#btnDelete').show();
			console.log('findById success: ' + data.name);
			currentWine = data;
			renderDetails(currentWine);
		}
	});
}

function addWine() {
	console.log('addWine');
	$.ajax({
		type: 'POST',
		contentType: 'application/json',
		url: rootURL,
		dataType: "json",
		data: formToJSON(),
		success: function(data, textStatus, jqXHR){
			alert('Wine created successfully');
			$('#btnDelete').show();
			$('#wineId').val(data.id);
			findById(data.id);
		},
		error: function(jqXHR, textStatus, errorThrown){
			alert('addWine error: ' + textStatus);
		}
	});
}

function updateWine() {
	console.log('updateWine');
	$.ajax({
		type: 'PUT',
		contentType: 'application/json',
		url: rootURL + '/' + $('#wineId').val(),
		dataType: "json",
		data: formToJSON(),
    processData: false,
		success: function(data, textStatus, jqXHR){
            debugger;
			alert('Wine updated successfully');
		},
		error: function(jqXHR, textStatus, errorThrown){
			alert('updateWine error: ' + textStatus);
		}
	});
}

function deleteWine() {
	console.log('deleteWine');
	$.ajax({
		type: 'DELETE',
		url: rootURL + '/' + $('#wineId').val(),
		success: function(data, textStatus, jqXHR){
			alert('Wine deleted successfully');
            findAll();
		},
		error: function(jqXHR, textStatus, errorThrown){
			alert('deleteWine error');
		}
	});
}

function renderList(data) {
	// JAX-RS serializes an empty list as null, and a 'collection of one' as an object (not an 'array of one')
	//var list = data == null ? [] : (data.wine instanceof Array ? data.wine : [data.wine]);
    //debugger;
    var list = data;
	$('#wineList li').remove();
	$.each(list, function(index, wine) {
		$('#wineList').append('<li><a href="#" data-identity="' + wine.id + '">'+wine.name+'</a></li>');
	});
}

function renderDetails(wine) {
	$('#wineId').val(wine.id);
	$('#name').val(wine.name);
	$('#grapes').val(wine.grapes);
	$('#country').val(wine.country);
	$('#region').val(wine.region);
	$('#year').val(wine.year);
	$('#pic').attr('src', 'pics/' + wine.picture);
	$('#description').val(wine.description);
}

// Helper function to serialize all the form fields into a JSON string
function formToJSON() {
	return JSON.stringify({
		"id": $('#wineId').val(),
		"name": $('#name').val(),
		"grapes": $('#grapes').val(),
		"country": $('#country').val(),
		"region": $('#region').val(),
		"year": $('#year').val(),
		"picture": currentWine.picture,
		"description": $('#description').val()
		});
}