// source --> https://metaforikipapoutsis.gr/wp-content/plugins/wp-post-modal/public/js/wp-post-modal-public.js?ver=1.0.0 
(function ($) {
    'use strict';

    /**
     * Check if URL is external function
     *
     * @returns {boolean}
     */
    $.fn.isExternal = function () {
        var host = window.location.hostname;
        var link = $('<a>', {
            href: this.attr('href')
        })[0].hostname;
        return (link !== host);

    };

    /**
     * Check if modal is open
     */
    function popupOpen() {
        return $('.modal-wrapper').hasClass('show');
    }

    /**
     * Basename function for JS
     *
     * @param path
     * @param suffix
     * @returns {*}
     */
    function basename(path, suffix) {
        var b = path;
        var lastChar = b.charAt(b.length - 1);
        if (lastChar === '/' || lastChar === '\\') {
            b = b.slice(0, -1);
        }
        b = b.replace(/^.*[/\\]/g, '');
        if (typeof suffix === 'string' && b.substr(b.length - suffix.length) === suffix) {
            b = b.substr(0, b.length - suffix.length);
        }
        return b;
    }

    /**
     * Get URL Paramenters
     *
     * @param sParam
     * @returns {*}
     */
    var getUrlParameter = function getUrlParameter(sParam) {
        var sPageURL = decodeURIComponent(window.location.search.substring(1)),
            sURLVariables = sPageURL.split('&'),
            sParameterName,
            i;

        for (i = 0; i < sURLVariables.length; i++) {
            sParameterName = sURLVariables[i].split('=');

            if (sParameterName[0] === sParam) {
                return sParameterName[1] === undefined ? true : sParameterName[1];
            }
        }
    };

    /**
     * Suppress modal link redirect in WP Customizer
     */
    function modalCustomizer() {
        if (typeof wp.customize !== 'undefined') {
            var body = $('body');
            body.off('click.preview');

            body.on('click.preview', 'a[href]:not(.modal-link)', function (e) {
                var link = $(this);
                e.preventDefault();
                wp.customize.preview.send('scroll', 0);
                wp.customize.preview.send('url', link.prop('href'));
            });
        }
    }

    // Document Ready
    $(function () {

        // Detect windows width function
        var $window = $(window),
            $document = $(document),
            scrollPos,
            currentURL = window.location.pathname,
            disablePopup = !!window.MSInputMethodContext && !!document.documentMode;

        /**
         * Show modal functionality
         */
        function showModal(postLink, external) {
            scrollPos = window.pageYOffset;
            if (fromPHP.disableScrolling) $('body, html').addClass('no-scroll');
            $('.modal-wrapper').addClass('show');
            $('.modal').addClass('show');

            // update address bar to show url of popup content page
            if (postLink) {
                if (postLink.length > 0 && !external) {
                    history.replaceState('', '', postLink);
                }
            }
        }

        /**
         * Close modal functionality
         */
        function hideModal(currentURL) {
            var body = $('body');

            // handle scrolling
            if (body.hasClass('no-scroll')) {
                body.removeClass('no-scroll');
                $('html').removeClass('no-scroll');
                window.scroll(0, scrollPos);
            }

            // hide popup
            $('.modal-wrapper').removeClass('show').hide();
            $('.modal').removeClass('show');
            $('#modal-content').empty();

            // return original page url in address bar
            if (window.location.pathname !== currentURL) {
                history.replaceState('', '', currentURL);
            }
        }


        $document
        // Close modal when pressing esc
            .keyup(function (e) {
                if (e.keyCode === 27 && $('.modal-wrapper').hasClass('show'))
                    hideModal(currentURL);
            })
            // Close modal when clicking on close button
            .on('click', '.close-modal', function () {
                hideModal(currentURL);
            })
            // when clicking outside of modal
            .on('click', '.modal', function (e) {
                e.stopPropagation();
            });


        // when clicking outside of modal
        $(window).on('click', function () {
            if (popupOpen()) hideModal(currentURL);
        });

        /**
         * Check width
         */
        function initModal() {
            // if the window is greater than breakpoint then show modal, otherwise go to linked page as normal
            if ($window.width() >= fromPHP.breakpoint) {
                var modalUrl = getUrlParameter('modal-link');

                // if using URL parameter to open modal
                if (modalUrl) {
                    // show loading animation if styling is turned on
                    if (fromPHP.loader) {
                        $('#modal-content').html('<img class="loading" src="' + fromPHP.pluginUrl + '/images/loading.gif" />');
                    }

                    $.get(
                        modalUrl,
                        function (html) {
                            var htmlContent = (html.indexOf('<html') > -1) ? $(html).find(fromPHP.containerID).html() : html;

                            $('#modal-content').html(htmlContent);
                        });

                    // show modal
                    $('.modal-wrapper').fadeIn('fast', showModal);
                }


                /**
                 * When clicking a modal-link
                 */
                $('body').on('click', '.modal-link', function (e) {
                    // Define variables
                    var modalContent = $('#modal-content');
                    var $this = ($(this).attr('href') != null) ? $(this) : $(this).children('a').first();
                    var postLink = $this.attr('href');
                    var postSlug = postLink.lastIndexOf('/#') > -1 ? basename(postLink.substring(0, postLink.lastIndexOf('/#'))) + basename(postLink) : basename(postLink);
                    var postAnchor = postSlug.lastIndexOf('#') !== -1 ? postSlug.substring(postSlug.lastIndexOf('#')) : false;
                    var dataDivID = $this.attr('data-div') ? ('#' + $this.attr('data-div')) : fromPHP.containerID;
                    var dataBuddypress = $this.attr('data-buddypress');
                    var loader = '<img class="loading" src="' + fromPHP.pluginUrl + '/images/loading.gif" />';

                    // prevent link from being followed
                    e.preventDefault();

                    // display loading animation or in this case static content
                    if (fromPHP.loader) {
                        modalContent.html(loader);
                    }

                    // Load content from external
                    if ($this.isExternal()) {
                        // load external content using iframe method
                        if ($(this).hasClass('iframe') || fromPHP.iframe) {
                            var iframeCode = '<iframe src="' + $(this).attr('href') + '" width="100%"' +
                                ' height="600px" frameborder="0"></iframe>';
                            modalContent.html(iframeCode);
                        }
                        // load external content normally
                        else {
                            $.ajaxPrefilter(function (options) {
                                if (options.crossDomain && jQuery.support.cors) {
                                    var http = (window.location.protocol === 'http:' ? 'http:' : 'https:');
                                    options.url = http + '//cors-anywhere.herokuapp.com/' + options.url;
                                    //options.url = "http://cors.corsproxy.io/url=" + options.url;
                                }
                            });

                            $.get(
                                postLink,
                                function (html) {
                                    modalContent.html($(html).find(dataDivID).html());
                                });
                        }
                    }
                    // Load content from internal page
                    else {
                        // when loading buddy press profile
                        if (dataBuddypress) {
                            modalContent.load(postLink + ' #buddypress');
                        }
                        // load internal content using iframe method
                        else if ($(this).hasClass('iframe')) {
                            var iframeCode = '<iframe src="' + $(this).attr('href') + '" width="100%"' +
                                ' height="600px" frameborder="0"></iframe>';
                            modalContent.html(iframeCode);
                        }
                        // when loading any other type of content
                        else {
                            // use the rest method
                            if (fromPHP.restMethod || $(this).hasClass('rest')) {
                                $.get(
                                    fromPHP.siteUrl + '/wp-json/wp-post-modal/v1/any-post-type?slug=' + postSlug,
                                    function (response) {
                                        $.when(modalContent.html(response.post_content)).done(function () {
                                            // scroll to anchor
                                            setTimeout(function () {
                                                if (postAnchor) {
                                                    $('.modal-wrapper').animate({
                                                        scrollTop: ($('#modal-content ' + postAnchor).offset().top)
                                                    }, 300);
                                                }
                                            }, 200);
                                        });
                                    });
                            }
                            // use the default method
                            else {
                                $.get(
                                    postLink,
                                    function (html) {
                                        var content = $(html).find(dataDivID),
                                            htmlContent = (html.indexOf('<html') > -1) ? $(html).find(dataDivID).html() : html;

                                        if (content[0]) {
                                            $.when(modalContent.html(htmlContent))
                                                .done(function () {
                                                    // scroll to anchor
                                                    setTimeout(function () {
                                                        if (postAnchor) {
                                                            $('.modal-wrapper').animate({
                                                                scrollTop: ($('#modal-content ' + postAnchor).offset().top)
                                                            }, 300);
                                                        }
                                                    }, 200);
                                                });
                                        }
                                        // fallback to load method
                                        else {
                                            modalContent.load(postLink, function () {
                                                modalContent.html($(modalContent.html()).find(dataDivID).html());

                                                setTimeout(function () {
                                                    if (postAnchor) {
                                                        $('.modal-wrapper').animate({
                                                            scrollTop: ($('#modal-content ' + postAnchor).offset().top)
                                                        }, 300);
                                                    }
                                                }, 200);
                                            });
                                        }
                                    });
                            }
                        }
                    }

                    // show modal
                    $('.modal-wrapper').fadeIn('fast', function () {
                        // if url state plugin setting is active
                        showModal(fromPHP.urlState ? postLink : '', $this.isExternal());
                    });
                });
            }
        }

        // Initiate modal if not IE11
        if (!disablePopup) initModal();
    });

    // Window load
    $(window).on('load', function () {
        modalCustomizer();
    });

})(jQuery);