/**
 * Created by Pascal on 30/09/15.
 */
$(function () {
    resizer();
    scroller();

    $(window).resize(
        $.throttle( 250, resizer )
    );

    $(window).scroll(
        $.throttle( 250, scroller )
    );

    jQuery.each(jQuery('textarea[data-autoresize]'), function() {  //autosize TextArea
        var offset = this.offsetHeight - this.clientHeight;

        var resizeTextarea = function(el) {
            jQuery(el).css('height', 'auto').css('height', el.scrollHeight + offset);
        };
        jQuery(this).on('keyup input', function() { resizeTextarea(this); }).removeAttr('data-autoresize');
    });

    //get internal link and animate them examp: <a href='#top'>Home</a>
    $('a.internalLink').click(function(){
        animateScroll($(this));
        return false;
    });

});

function resizer() {

}

function scroller() {
    if($(window).scrollTop() > 40){
        $('.main-menu').addClass('scrolled');
    }
    else{
        $('.main-menu').removeClass('scrolled');
    }
}

function isElementFullInViewport(el) {
    //special bonus for those using jQuery
    if(el.length > 0){
        if (typeof jQuery === "function" && el instanceof jQuery) {
            el = el[0];
        }

        var rect = el.getBoundingClientRect();

        return (
            rect.top >= 0 &&
            rect.bottom <= (window.innerHeight || $(window).height())
        );
    }
}

function isElementPartInViewport(el)
{
    if(el.length > 0) {
        //special bonus for those using jQuery
        if (typeof jQuery !== 'undefined' && el instanceof jQuery) el = el[0];

        var rect = el.getBoundingClientRect();
        // DOMRect { x: 8, y: 8, width: 100, height: 100, top: 8, right: 108, bottom: 108, left: 8 }
        var windowHeight = (window.innerHeight || document.documentElement.clientHeight);
        var windowWidth = (window.innerWidth || document.documentElement.clientWidth);

        var vertInView = (rect.top <= windowHeight) && ((rect.top + rect.height) >= 0);
        var horInView = (rect.left <= windowWidth) && ((rect.left + rect.width) >= 0);

        return (vertInView && horInView);
    }
}

function isElementPartExtraInViewport(el, margin)
{
    if(el.length > 0) {
        //special bonus for those using jQuery
        if (typeof jQuery !== 'undefined' && el instanceof jQuery) el = el[0];

        var rect = el.getBoundingClientRect();
        // DOMRect { x: 8, y: 8, width: 100, height: 100, top: 8, right: 108, bottom: 108, left: 8 }
        var windowHeight = (window.innerHeight || document.documentElement.clientHeight);
        var windowWidth = (window.innerWidth || document.documentElement.clientWidth);

        var vertInView = (rect.top <= (windowHeight - margin)) && ((rect.top + rect.height) >= 0);
        var horInView = (rect.left <= windowWidth) && ((rect.left + rect.width) >= 0);

        return (vertInView && horInView);
    }
}

function tabletOrMobile() {
    if(window.navigator.userAgent.match(/Mobile/i)
        || window.navigator.userAgent.match(/iPhone/i)
        || window.navigator.userAgent.match(/iPod/i)
        || window.navigator.userAgent.match(/IEMobile/i)
        || window.navigator.userAgent.match(/Windows Phone/i)
        || window.navigator.userAgent.match(/Android/i)
        || window.navigator.userAgent.match(/BlackBerry/i)
        || window.navigator.userAgent.match(/webOS/i)) {
        return true;
        //alert('True - Mobile - ' + navigator.userAgent);
    } else {
        //alert('False - Mobile - ' + navigator.userAgent);
        //return false;
    }
    if(window.navigator.userAgent.match(/Tablet/i)
        || window.navigator.userAgent.match(/iPad/i)
        || window.navigator.userAgent.match(/Nexus 7/i)
        || window.navigator.userAgent.match(/Nexus 10/i)
        || window.navigator.userAgent.match(/KFAPWI/i)) {
        return true;
        //alert('True - Tablet - ' + navigator.userAgent);
    }
    if($('body').width() <= 500){
        return true;
    }
    else {
        //alert('False - Tablet - ' + navigator.userAgent);
        //return false;
    }
}

function animateScroll(e, offset, time){
    offset = typeof offset !== 'undefined' ? offset : 60;
    time = typeof time !== 'undefined' ? time : 800;

    var scrollTo = e.prop('href');
    scrollTo = scrollTo.substr(scrollTo.indexOf('#')+1);

    $('html,body').animate({
        scrollTop: $('#'+scrollTo).offset().top - offset
    }, time);
}