$('#save-purchase-button').on('click', function(e)
{
	e.preventDefault();

	var jsonForm = $('#purchase-form').serializeJSON();

	Grocy.FetchJson('/api/stock/get-product-details/' + jsonForm.product_id,
		function (productDetails)
		{
			jsonForm.amount = jsonForm.amount * productDetails.product.qu_factor_purchase_to_stock;

			Grocy.FetchJson('/api/helper/uniqid',
				function(uniqidResponse)
				{
					jsonForm.stock_id = uniqidResponse.uniqid;

					Grocy.PostJson('/api/add-object/stock', jsonForm,
						function(result)
						{
							toastr.success('Added ' + jsonForm.amount + ' ' + productDetails.quantity_unit_stock.name + ' of ' + productDetails.product.name + ' to stock');

							$('#amount').val(1);
							$('#best_before_date').val('');
							$('#product_id').val('');
							$('#product_id_text_input').focus();
							$('#product_id_text_input').val('');
							$('#product_id_text_input').trigger('change');
							$('#purchase-form').validator('validate');
						},
						function(xhr)
						{
							console.error(xhr);
						}
					);
				},
				function(xhr)
				{
					console.error(xhr);
				}
			);
		},
		function(xhr)
		{
			console.error(xhr);
		}
	);
});

$('#product_id').on('change', function(e)
{
	var productId = $(e.target).val();

	if (productId)
	{
		Grocy.FetchJson('/api/stock/get-product-details/' + productId,
			function(productDetails)
			{
				$('#selected-product-name').text(productDetails.product.name);
				$('#selected-product-stock-amount').text(productDetails.stock_amount || '0');
				$('#selected-product-stock-qu-name').text(productDetails.quantity_unit_stock.name);
				$('#selected-product-purchase-qu-name').text(productDetails.quantity_unit_purchase.name);
				$('#selected-product-last-purchased').text((productDetails.last_purchased || 'never').substring(0, 10));
				$('#selected-product-last-purchased-timeago').text($.timeago(productDetails.last_purchased || ''));
				$('#selected-product-last-used').text((productDetails.last_used || 'never').substring(0, 10));
				$('#selected-product-last-used-timeago').text($.timeago(productDetails.last_used || ''));

				Grocy.EmptyElementWhenMatches('#selected-product-last-purchased-timeago', 'NaN years ago');
				Grocy.EmptyElementWhenMatches('#selected-product-last-used-timeago', 'NaN years ago');
			},
			function(xhr)
			{
				console.error(xhr);
			}
		);
	}
});

$(function()
{
	$('.datepicker').datepicker(
	{
		format: 'yyyy-mm-dd',
		startDate: '+0d',
		todayHighlight: true,
		autoclose: true,
		calendarWeeks: true,
		orientation: 'bottom auto',
		weekStart: 1,
		showOnFocus: false
	});
	$('.datepicker').trigger('change');

	$('.combobox').combobox({ appendId: '_text_input' });

	$('#amount').val(1);
	$('#best_before_date').val('');
	$('#product_id').val('');
	$('#product_id_text_input').focus();
	$('#product_id_text_input').val('');
	$('#product_id_text_input').trigger('change');

	$('#purchase-form').validator({
		custom: {
			'isodate': function($el)
			{
				if ($el.val().length !== 0 && !moment($el.val(), 'YYYY-MM-DD', true).isValid())
				{
					return 'Wrong date format, needs to be YYYY-MM-DD';
				}
			}
		}
	});
	$('#purchase-form').validator('validate');

	$('#purchase-form input').keydown(function(event)
	{
		if (event.keyCode === 13) //Enter
		{
			if ($('#purchase-form').validator('validate').has('.has-error').length !== 0) //There is at least one validation error
			{
				event.preventDefault();
				return false;
			}
		}
	});
});

$('#best_before_date-datepicker-button').on('click', function(e)
{
	$('.datepicker').datepicker('show');
});

$('#best_before_date').on('change', function(e)
{
	var value = $('#best_before_date').val();
	if (value.length === 8 && $.isNumeric(value))
	{
		value = value.replace(/(\d{4})(\d{2})(\d{2})/, '$1-$2-$3');
		$('#best_before_date').val(value);
		$('#purchase-form').validator('validate');
	}
});

$('#best_before_date').on('keypress', function(e)
{
	var element = $(e.target);
	var value = element.val();
	var dateObj = moment(element.val(), 'YYYY-MM-DD', true);

	$('.datepicker').datepicker('hide');

	if (value.length === 0)
	{
		element.val(moment().format('YYYY-MM-DD'));
	}
	else if (dateObj.isValid())
	{
		if (e.keyCode === 38) //Up
		{
			element.val(dateObj.add(-1, 'days').format('YYYY-MM-DD'));
		}
		else if (e.keyCode === 40) //Down
		{
			element.val(dateObj.add(1, 'days').format('YYYY-MM-DD'));
		}
		else if (e.keyCode === 37) //Left
		{
			element.val(dateObj.add(-1, 'weeks').format('YYYY-MM-DD'));
		}
		else if (e.keyCode === 39) //Right
		{
			element.val(dateObj.add(1, 'weeks').format('YYYY-MM-DD'));
		}
	}

	$('#purchase-form').validator('validate');
});