jQuery(function() {

    jQuery(document).on('click', '.wcml_currency_switcher a', wcml_switch_currency_handler );

});

var wcml_switch_currency_handler = function( event ){
    event.preventDefault();
    if( jQuery(this).is(':disabled') || jQuery(this).parent().hasClass('wcml-cs-active-currency') || jQuery(this).hasClass('wcml-cs-active-currency')){
        return false;
    }else{
        jQuery( this ).off( event );
    }

    wcml_load_currency( jQuery(this).attr('rel') );
}

function wcml_load_currency( currency, force_switch ){
    var ajax_loader = jQuery('<img class=\"wcml-spinner\" width=\"16\" heigth=\"16\" src=\"' + wcml_mc_settings.wcml_spinner +'\" />');
    jQuery('.wcml_currency_switcher').append(ajax_loader);

    if ( typeof force_switch === 'undefined') force_switch = 0;

    jQuery.ajax({
        type : 'post',
        url : woocommerce_params.ajax_url,
        dataType: "json",
        data : {
            action: 'wcml_switch_currency',
            currency : currency,
            force_switch: force_switch,
            params: window.location.search.substr(1)
        },
        success: function(response) {
            if(typeof response.error !== 'undefined') {
                alert(response.error);
            }else if( typeof response.data.prevent_switching !== 'undefined' ){
                jQuery('body').append( response.data.prevent_switching );
            }else{

                var target_location = window.location.href;
                if( -1 !== target_location.indexOf('#') || wcml_mc_settings.cache_enabled ){

                    var url_dehash = target_location.split('#');
                    var hash = url_dehash.length > 1 ? '#' + url_dehash[1] : '';

                    target_location = url_dehash[0]
                                    .replace(/&wcmlc(\=[^&]*)?(?=&|$)|wcmlc(\=[^&]*)?(&|$)/, '')
                                    .replace(/\?$/, '');

                    var url_glue = target_location.indexOf('?') != -1 ? '&' : '?';
                    target_location += url_glue + 'wcmlc=' + currency + hash;

                }

                wcml_reset_cart_fragments();

                target_location = wcml_maybe_adjust_widget_price( target_location, response.data );

                window.location = target_location;
            }
        }
    });
}

function wcml_maybe_adjust_widget_price(target_location, response) {

    if (typeof response.min_price !== 'undefined') {
        target_location = target_location.replace(/(min_price=)(\d+)/, "$1" + response.min_price);
    }

    if (typeof response.max_price !== 'undefined') {
        target_location = target_location.replace(/(max_price=)(\d+)/, "$1" + response.max_price);
    }

    return target_location;
}