// smooth scroll
$(function() {
    $('a[href*=#]:not([href=#])').click(function() {
        if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') || location.hostname == this.hostname) {
            var target = $(this.hash);
            target = target.length ? target : $('[name=' + this.hash.slice(1) + ']');
            if (target.length) {
                $('html,body').animate({
                    scrollTop: target.offset().top
                }, 1000);
                return false;
            }
        }
    });
});
function verifyCallback(response) {
    $("#captcha").val(response);
    $('#error-message').modal('hide');
    $.ajax({
        type: 'POST',
        url: $('#subscribe-form').attr("action"), 
        dataType: 'json',
        data: $('#subscribe-form').serialize(),
        success: function(response) {
            $('#captcha-modal').modal('hide');
            if(response.success == 1) {
                $("#email, #name").val('');
                $('#success-message').modal('show');
                setTimeout(function() {
                    $('#success-message').modal('hide');
                }, 2000);
            } else {
                if(response.error.email == 1) {
                    $("#email").addClass('has-error');
                }
                if(response.error.name == 1) {
                    $("#name").addClass('has-error');
                }
                $('#error-message').modal('show');
                setTimeout(function() {
                    $('#error-message').modal('hide');
                }, 2000);
            }
            grecaptcha.reset();
        }
    });
}
function onloadCallback() {
    grecaptcha.render('g-recaptcha', {
        'sitekey' : '6Le35xUUAAAAACvQBDQTC4yPKgt3cBQagF6s3CUp',
        'callback' : verifyCallback,
        'theme' : 'dark'
    });
}
// fix vertical when not overflow
// call fullscreenFix() if .fullscreen content changes
function fullscreenFix(){
    if(screen.width > 768) {
        var height = $(window).height();
        $('.fullscreen').css('height', height + "px");
    }
}
// resize background images
function backgroundResize() {
    var windowH = $(window).height();
    $(".landing, .why-golpas").each(function(i){
        var path = $(this);
        // variables
        var contW = path.width();
        var contH = path.height();
        var imgW = path.attr("data-img-width");
        var imgH = path.attr("data-img-height");
        var ratio = imgW / imgH;
        // overflowing difference
        var diff = parseFloat(path.attr("data-diff"));
        diff = diff ? diff : 0;
        // remaining height to have fullscreen image only on parallax
        var remainingH = 0;
        if(path.hasClass("parallax") && !$("html").hasClass("touch")){
            var maxH = contH > windowH ? contH : windowH;
            remainingH = windowH - contH;
        }
        // set img values depending on cont
        imgH = contH + remainingH + diff;
        imgW = imgH * ratio;
        // fix when too large
        if(contW > imgW){
            imgW = contW;
            imgH = imgW / ratio;
        }
        //
        path.data("resized-imgW", imgW);
        path.data("resized-imgH", imgH);
        path.css("background-size", imgW + "px " + imgH + "px");
    });
}
// set parallax background-position
function parallaxPosition(e) {
    // do not change position!!!
    return true;
    // console.log(e);
    var heightWindow = $(window).height();
    var topWindow = $(window).scrollTop();
    var bottomWindow = topWindow + heightWindow;
    var currentWindow = (topWindow + bottomWindow) / 2;
    $(".parallax").each(function(i) {
        //console.log(i);
        var path = $(this);
        var height = path.height();
        var top = path.offset().top;
        var bottom = top + height;
        // only when in range
        if(bottomWindow > top && topWindow < bottom) {
            var imgW = path.data("resized-imgW");
            var imgH = path.data("resized-imgH");
            // min when image touch top of window
            var min = 0;
            // max when image touch bottom of window
            var max = - imgH + heightWindow;
            // overflow changes parallax
            var overflowH = height < heightWindow ? imgH - height : imgH - heightWindow; // fix height on overflow
            top = top - overflowH;
            bottom = bottom + overflowH;
            // value with linear interpolation
            var value = min + (max - min) * (currentWindow - top) / (bottom - top);
            // set background-position
            var orizontalPosition = path.attr("data-oriz-pos");
            orizontalPosition = orizontalPosition ? orizontalPosition : "50%";
            $(this).css("background-position", orizontalPosition + " " + value + "px");
        }
    });
}
// scrollspy -- also uncomment the a.scrollToTop in the bottom
// $('body').scrollspy({ target: '#navbar-scroll' });
//
// lets run all JS
//
jQuery(document).ready(function($) {
    // site preloader -- also uncomment the div in the header
    $(window).load(function(){
        $('#preloader').fadeOut('slow',function(){$(this).remove();});
    });
    // scrollToTop -- also uncomment the a.scrollToTop in the bottom
	// check to see if the window is top if not then display button
	//$(window).scroll(function(){
	//	if ($(this).scrollTop() > 500) {
	//		$('.scrollToTop').fadeIn();
	//	} else {
	//		$('.scrollToTop').fadeOut();
	//	}
	//});
	// click event to scroll to top -- also uncomment the a.scrollToTop in the bottom
	//$('.scrollToTop').click(function(){
	//	$('html, body').animate({scrollTop : 0},800);
	//	return false;
	//});
    // parallax background image http://www.minimit.com/articles/lets-animate/parallax-backgrounds-with-centered-content detect touch
    if("ontouchstart" in window){
        document.documentElement.className = document.documentElement.className + " touch";
    }
    if(!$("html").hasClass("touch")){
        // background fix
        $(".parallax").css("background-attachment", "fixed");
    }
    // magic
    $(window).resize(fullscreenFix);
    fullscreenFix();
    $(window).resize(backgroundResize);
    $(window).focus(backgroundResize);
    backgroundResize();
    if(!$("html").hasClass("touch")){
        $(window).resize(parallaxPosition);
        // $(window).focus(parallaxPosition);
        $(window).scroll(parallaxPosition);
        parallaxPosition();
    }
    // init WOW effects
    new WOW().init();
    $(".subscribe-form-btn").click(function(e) {
        $("#email, #name").removeClass('has-error');
        var re = /^[^@]+@.*.[a-z]{2,15}$/i;
        if($('#name').val() && ($('#email').val() && re.test($('#email').val()))) {
            $('#captcha-modal').modal('show');
        } else {
            if(!$('#email').val() || !re.test($('#email').val())) {
                $("#email").addClass('has-error');
            }
            if(!$('#name').val()) {
                $("#name").addClass('has-error');
            }
        }
    });
});