// ACTIVITY INDICATOR
var activityIndicatorOn = function(){ $('<div id="imagelightbox-loading"><div></div></div>').appendTo('body'); },
	activityIndicatorOff = function(){ $('#imagelightbox-loading').remove(); },
	// OVERLAY
	overlayOn = function(){ $('<div id="imagelightbox-overlay"></div>').appendTo('body'); },
	overlayOff = function(){ $('#imagelightbox-overlay').remove(); },
	// CLOSE BUTTON
	closeButtonOn = function(instance){ $('<button type="button" id="imagelightbox-close" title="Close"></button>').appendTo('body').on('click touchend', function() { $(this).remove(); instance.quitImageLightbox(); return false; }); },
	closeButtonOff = function(){ $('#imagelightbox-close').remove(); },
	// CAPTION
	captionOn = function(){ var description = $('a[href="' + $('#imagelightbox').attr('src') + '"] img').attr('alt'); if (description != '' && description != undefined) $('<div id="imagelightbox-caption">' + description + '</div>').appendTo('body'); },
	captionOff = function(){ $('#imagelightbox-caption').remove(); },
	// NAVIGATION
	navigationOn = function(instance, selector){ var images = $(selector); if (images.length) { var nav = $('<div id="imagelightbox-nav"></div>'); for (var i = 0; i < images.length; i++) nav.append('<button type="button"></button>'); nav.appendTo('body'); nav.on('click touchend', function() { return false; }); var navItems = nav.find('button'); navItems.on('click touchend', function() { var $this = $(this); if (images.eq($this.index()).attr('href') != $('#imagelightbox').attr('src')) instance.switchImageLightbox($this.index()); navItems.removeClass('active'); navItems.eq($this.index()).addClass('active'); return false; }) .on('touchend', function() { return false; }); } },
	navigationUpdate = function(selector) { var items = $('#imagelightbox-nav button'); items.removeClass('active'); items.eq($(selector).filter('[href="' + $('#imagelightbox').attr('src') + '"]').index(selector)).addClass('active'); },
	navigationOff = function(){ $('#imagelightbox-nav').remove(); },
	// ARROWS
	arrowsOn = function(instance, selector) { var $arrows = $('<button type="button" class="imagelightbox-arrow imagelightbox-arrow-left"></button><button type="button" class="imagelightbox-arrow imagelightbox-arrow-right"></button>'); $arrows.appendTo('body'); $arrows.on('click touchend', function(e) { e.preventDefault(); var $this = $(this), $target = $(selector + '[href="' + $('#imagelightbox').attr('src') + '"]'), index = $target.index(selector); console.log(index + " / " + selector); if ($this.hasClass('imagelightbox-arrow-left')) { index = index - 1; if (!$(selector).eq(index).length) index = $(selector).length; } else { index = index + 1; if (!$(selector).eq(index).length) index = 0; } instance.switchImageLightbox(index); return false; }); },
	arrowsOff = function() { $('.imagelightbox-arrow').remove(); };


var imageLighBoxSelector = 'a.fancybox',
	imageLightboxInstance = $(imageLighBoxSelector).imageLightbox({
	onStart: function() { overlayOn(); closeButtonOn( imageLightboxInstance ); arrowsOn( imageLightboxInstance, imageLighBoxSelector ); },
	onEnd: function() { overlayOff(); captionOff(); closeButtonOff(); arrowsOff(); activityIndicatorOff(); },
	onLoadStart: function() { captionOff(); activityIndicatorOn(); },
	onLoadEnd: function() { captionOn(); activityIndicatorOff(); $( '.imagelightbox-arrow' ).css( 'display', 'block' ); }
});


$(document).ready(function(){

	$('#contactFormSend').on('submit', function(evt){
        evt.preventDefault();
        
        var k = [ 'name', 'question' ],
            good = true;
			
		$(this).find('[name]').removeClass('error');
        $(this).find('p.ajaxInfo').hide();
		
            
        if ( /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test( $('[name="mail"]').val() ) == false ){
            $('[name="mail"]').addClass('error');
            good = false;
        }

        if ( $('[name="phone"]').val().replace(/[^\d]/, '').length < 9 ){
            $('[name="phone"]').addClass('error');
            good = false;
        }
            
        for ( var i = 0; i < k.length; i++ ){
            var obj = $('[name="'+ k[i] +'"]');

            if ( obj.val().length <= 1 ){
                good = false;
                obj.addClass('error');
            }
        }
        
        if ( good ){
            $.post( $(this).attr('action'), $(this).serialize(), function(response){
                if (response.indexOf('false') === -1) {
                    $('input, textarea').val('');
                    $('p.ajaxInfo.ok').show();
                } else {
                    $('p.ajaxInfo.error_send').show();
                }
            });
        } else {
            $('p.ajaxInfo.error').show();
        }
    });


	// Zabiegaj linkom #
	$('a[href=#]').click(function(e){
		e.preventDefault();
	});
});