$(window).on("unload", function(e){


});

$(function(){

    var changedCombos = false;

    var viewingPartDetails = showingPartDetails();
    
    // Populate the combos from any values in localStorage
    if(!viewingPartDetails) {
        changedCombos = populateCombosFromLocalStorage();
    }

        if(localStorage.getItem('free_text') != undefined && localStorage.getItem('free_text') != ''){
            // update the free text - text value (shown to the user)
            $('#free-text').html(localStorage.getItem('free_text'));
            // trigger the change event in to determine if the removeClass should be invoked to grey out the text or not.
            if($('#free-text').html() != 'Enter Part Details (e.g. Ford Focus 2008 Petrol Engine)'){
                // Clear the initial suggest message.
                $('#free-text').removeClass('free-text-suggest');
            }
        }

    // if we don't have a "Z" then we DO NOT want to trigger a change
    // other wise we end up not being able to show a part if the user has selected one.

    // If any of the combos have been changed then fire the search again
    if(!viewingPartDetails && changedCombos){
        $('#free-text-search-btn').trigger('click');
    }

    // Add an event listener for the shipping description combo.
    $(".shipping-select-combo").change(function(e) {

        // Find the selected option's description from the data attribute 'desc'
        var ship_desc = $(this).find('option:selected').data('desc');

        // update the text of the shipping description to be the value of the changed select
        $(this).siblings(".shipping-option-description").html('<h5>Shipping Description</h5><p>' + ship_desc + '</p>');

    });

    // Adds a listener to the reset button on the search_criteria.php (part lookup) 
    $('.search_reset').on('click', function(e){

        // Abort any currently running AJAX calls.
        abortAllAjax();

        e.preventDefault();
        e.stopPropagation();
        e.stopImmediatePropagation();

        // Reset any of the PHP Session information.
        $.ajax({
            type: 'GET',
            url: "https://www.carparts-uk.com/ops/resetVRMPartLookup.php?opsId=global",
            processData: false,
            complete: function(jqXHR, textStatus) {
                resetUI();
            }
        });
    });

    // Adds a click event to the cookie_accept identifier.
    $('.cookie_accept, .mobile_cookie_accept').on('click', function(eventObject){
            eventObject.preventDefault();
            eventObject.stopImmediatePropagation();

        // Check to see if we have local storage available.
        if ('localStorage' in window && window['localStorage'] !== null) {
            localStorage.setItem('COOKIES_ACCEPTED', 'true');

            // hide the cookie warning from the display.
            // Now that the localStorage has been set the next time the
            // local storage is accessed it should get written to the $_COOKIE variable
            $(".cookie-warning").hide();
        }
      });

    $('#reglookup #submit').on('click', function(eventObject){

        eventObject.preventDefault();
        eventObject.stopImmediatePropagation();

        var vrm = $('#reglookup input[name=regNumber]').val();

        if(vrm == 'ENTER REG'){
            $('#regNumber, #regNumberSearch #submit').prop('disabled', false);
            return false;
        }

        // hide any currently visible info or error message
        $('.info_msg, .err_msg').hide();

        // in the named container "reglookup" find an attribute of the tag called "action"
        var action = $('#reglookup').attr('action');

        // see if we can set the PartsLookupService reg_number value.
        // Which is only valid for a parts by VRM lookup.
        $('#part_lookup_reg_number').val(vrm);

        var vin = "";

        var data = {"vehicleRegistrationMark": vrm,
                    "vehicleIdentificationNumber": vin};

        function error_msg(err){
            $('#reglookup').unbind();
            $('#reglookup').find('input[name=regNumber]').prop('disabled', true);
            $('#vehicleDetailsFromReg').html('<p class="err_msg">'+err+'</p>');
            $('#vehicleDetailsFromReg').slideDown(500);
        }
        
        var ajax = $.ajax({
            dataType: "json",
            type: 'POST',
            url: action,
            data: JSON.stringify(data),
            contentType: 'application/json',
            processData: false,
            success: function(jsonData, textStatus, jqXHR) {
                if(jsonData.error_msg != undefined && jsonData.error_msg != ''){
                    error_msg(jsonData.error_msg);
                    $('#regNumber, #regNumberSearch #submit').prop('disabled', false);
                }else if(jsonData.type == 'hpi_vin_decoder'){
                    matchHpi(jsonData);
                    $('#regNumber, #regNumberSearch #submit').prop('disabled', false);
                }else if (jsonData.vrmmatch != undefined && jsonData.vrmmatch == "true") {
                    window.location.href = jsonData.location;
                }else {
                    doFreeTextSearch(jsonData);
                    $('#regNumber, #regNumberSearch #submit').prop('disabled', false);
                }
            },
            error: function(jqXHR, textStatus, errorThrown){
                    error_msg('Sorry, unable to find vehicle details at this time.');
               }
            });
    });

    $('#tabs').on('click', function(e){
        e.preventDefault();
        e.stopPropagation();
        e.stopImmediatePropagation();

        $('.active_ovs_tab').addClass('inactive_ovs_tab').removeClass('active_ovs_tab');
        $(e.target).addClass('active_ovs_tab vehicleSelected').removeClass('inactive_ovs_tab');
    });

	$('.shoppingCartContainerButton').on('click', function(e){
		e.preventDefault();
		e.stopPropagation();
		e.stopImmediatePropagation();

		$('#shoppingCartContentsTable_div').toggle();
		$('#showShoppingCartContents_yes').toggle();
		$('#showShoppingCartContents_no').toggle();
	});

	// adds an onClick event handler to the dismiss button of the PayPal message which informs users that there is
	// not a requirement to pay by PayPal
	$('.paypal_notification').on('click', function(eventObject){

		//set the cookie to stop this message from showing to the user in the future.
		setCookie("payPalNotRequiredNotification", "notDisplay", 1);

	});

	// Initialise the add to cart facility.
	initAddToCart();

    $(window).on('hashchange', function(e){
                restorePageStateFromHash(e);

                    if(ga != undefined) ga('send', 'pageview', '/?page=' + window.location.hash);
            if(ga != undefined) ga('opsTracker.send', 'pageview', '/?page=' + window.location.hash);
            });

    $(window).on('load', function(e){
                restorePageStateFromHash(e);

                    if(ga != undefined) ga('send', 'pageview', '/?page=' + window.location.hash);
            if(ga != undefined) ga('opsTracker.send', 'pageview', '/?page=' + window.location.hash);
            });
});