/*
	Multiverse by HTML5 UP
	html5up.net | @ajlkn
	Free for personal and commercial use under the CCA 3.0 license (html5up.net/license)

	Enhanced for dynamic gallery loading - Mischkomposition by Tom Misch
*/

(function ($) {
	var $window = $(window),
	  $body = $("body"),
	  $wrapper = $("#wrapper");

	// Breakpoints.
	breakpoints({
	  xlarge: ["1281px", "1680px"],
	  large: ["981px", "1280px"],
	  medium: ["737px", "980px"],
	  small: ["481px", "736px"],
	  xsmall: [null, "480px"],
	});

	// Hack: Enable IE workarounds.
	if (browser.name == "ie") $body.addClass("ie");

	// Touch?
	if (browser.mobile) $body.addClass("touch");

	// Transitions supported?
	if (browser.canUse("transition")) {
	  // Play initial animations on page load.
	  $window.on("load", function () {
		window.setTimeout(function () {
		  $body.removeClass("is-preload");
		}, 100);
	  });

	  // Prevent transitions/animations on resize.
	  var resizeTimeout;

	  $window.on("resize", function () {
		window.clearTimeout(resizeTimeout);

		$body.addClass("is-resizing");

		resizeTimeout = window.setTimeout(function () {
		  $body.removeClass("is-resizing");
		}, 100);
	  });
	}

	// Scroll back to top.
	$window.scrollTop(0);

	// Panels.
	var $panels = $(".panel");

	$panels.each(function () {
	  var $this = $(this),
		$toggles = $('[href="#' + $this.attr("id") + '"]'),
		$closer = $('<div class="closer" />').appendTo($this);

	  // Closer.
	  $closer.on("click", function (event) {
		$this.trigger("---hide");
	  });

	  // Events.
	  $this
		.on("click", function (event) {
		  event.stopPropagation();
		})
		.on("---toggle", function () {
		  if ($this.hasClass("active")) $this.triggerHandler("---hide");
		  else $this.triggerHandler("---show");
		})
		.on("---show", function () {
		  if ($body.hasClass("content-active")) $panels.trigger("---hide");
		  $this.addClass("active");
		  $toggles.addClass("active");
		  $body.addClass("content-active");
		})
		.on("---hide", function () {
		  $this.removeClass("active");
		  $toggles.removeClass("active");
		  $body.removeClass("content-active");
		});

	  // Toggles.
	  $toggles
		.removeAttr("href")
		.css("cursor", "pointer")
		.on("click", function (event) {
		  event.preventDefault();
		  event.stopPropagation();
		  $this.trigger("---toggle");
		});
	});

	// Global events.
	$body.on("click", function (event) {
	  if ($body.hasClass("content-active")) {
		event.preventDefault();
		event.stopPropagation();
		$panels.trigger("---hide");
	  }
	});

	$window.on("keyup", function (event) {
	  if (event.keyCode == 27 && $body.hasClass("content-active")) {
		event.preventDefault();
		event.stopPropagation();
		$panels.trigger("---hide");
	  }
	});

	// Header.
	var $header = $("#header");

	$header.find("a").each(function () {
	  var $this = $(this),
		href = $this.attr("href");
	  if (!href || href.charAt(0) == "#") return;
	  $this
		.removeAttr("href")
		.css("cursor", "pointer")
		.on("click", function (event) {
		  event.preventDefault();
		  event.stopPropagation();
		  window.location.href = href;
		});
	});

	// Footer.
	var $footer = $("#footer");

	$footer.find(".copyright").each(function () {
	  var $this = $(this),
		$parent = $this.parent(),
		$lastParent = $parent.parent().children().last();

	  breakpoints.on("<=medium", function () {
		$this.appendTo($lastParent);
	  });

	  breakpoints.on(">medium", function () {
		$this.appendTo($parent);
	  });
	});

	// Main - Dynamische Galerie
	var $main = $("#main"),
		exifDatas = {};

	var imageExtensions = ['jpg', 'jpeg', 'png', 'gif', 'webp'];

	function loadGallery() {
		$.ajax({
			url: '/images/fulls/',
			dataType: 'json',
			cache: false,
			success: function(files) {
				if(files.length === 0) {
				    $main.html('<p style="text-align:center;color:#fff;padding:2em;width:100%">Bitte logge dich über den Login-Button unten links ein, um deine zugewiesenen Bilder zu sehen.</p>');
				    return;
				}

				var images = files.filter(function(f) {
					if (f.type !== 'file') return false;
					var ext = f.name.split('.').pop().toLowerCase();
					return imageExtensions.indexOf(ext) !== -1;
				});

				if (images.length === 0) {
					$main.html('<p style="text-align:center;color:#fff;padding:2em;width:100%">Es wurden noch keine passenden Bilder für diesen Account hochgeladen oder zugewiesen.</p>');
					return;
				}

				images.sort(function(a, b) {
					return a.name.localeCompare(b.name);
				});

				images.forEach(function(file) {
					var article = $('<article class="thumb"></article>');
					var link = $('<a class="image" href="/images/fulls/' + encodeURIComponent(file.name) + '"></a>');
					var img = $('<img src="/images/thumbs/' + encodeURIComponent(file.name) + '" alt="" data-name="' + file.name.replace(/"/g, '&quot;') + '" />');
					link.append(img);
					article.append(link);
					$main.append(article);
				});

				initThumbs();
				initPoptrox();
			},
			error: function() {
				$main.html('<p style="text-align:center;color:#fff;padding:2em;">Keine Bilder gefunden. Lade Bilder in deinen Nextcloud-Ordner hoch.</p>');
			}
		});
	}

	function initThumbs() {
		$main.children(".thumb").each(function () {
			var $this = $(this),
				$image = $this.find(".image"),
				$image_img = $image.children("img"),
				x;

			if ($image.length == 0) return;

			$image.css("background-image", "url(" + $image_img.attr("src") + ")");
			if ((x = $image_img.data("position"))) $image.css("background-position", x);
			$image_img.hide();

			$image_img[0].addEventListener("load", function() {
				EXIF.getData($image_img[0], function () {
					exifDatas[$image_img.data('name')] = getExifDataMarkup(this);
				});
			});
		});
	}

	function initPoptrox() {
		$main.poptrox({
			baseZIndex: 20000,
			caption: function ($a) {
				var $image_img = $a.children('img');
				var data = exifDatas[$image_img.data('name')];
				if (data === undefined) {
					EXIF.getData($image_img[0], function () {
						data = exifDatas[$image_img.data('name')] = getExifDataMarkup(this);
					});
				}
				var downBtn = '<br/><a href="' + $a.attr('href') + '" download="' + $image_img.data('name') + '" class="button small" style="margin-top:10px;">Bild Speichern <i class="fa fa-download"></i></a>';
				return data !== undefined ? '<p>' + data + downBtn + '</p>' : '<p>' + downBtn + '</p>';
			},
			fadeSpeed: 300,
			onPopupClose: function () {
				$body.removeClass("modal-active");
			},
			onPopupOpen: function () {
				$body.addClass("modal-active");
			},
			overlayOpacity: 0,
			popupCloserText: "",
			popupHeight: 150,
			popupLoaderText: "",
			popupSpeed: 300,
			popupWidth: 150,
			selector: ".thumb > a.image",
			usePopupCaption: true,
			usePopupCloser: true,
			usePopupDefaultStyling: false,
			usePopupForceClose: true,
			usePopupLoader: true,
			usePopupNav: true,
			windowMargin: 50,
		});

		breakpoints.on("<=xsmall", function () {
			$main[0]._poptrox.windowMargin = 0;
		});

		breakpoints.on(">xsmall", function () {
			$main[0]._poptrox.windowMargin = 50;
		});
	}

	function getExifDataMarkup(img) {
		var exif = $('#main').data('exif');
		var template = '';

		for (var current in exif) {
			var current_data = exif[current];
			var exif_data = EXIF.getTag(img, current_data['tag']);
			if (typeof exif_data !== "undefined") {
				template += '<i class="' + current_data['icon'] + '" aria-hidden="true"></i> ' + exif_data + '&nbsp;&nbsp;';
			}
		}
		return template;
	}

	// Login Handling
	$.get('/api/auth/me').done(function(u) {
		$('#login-username, #login-password, #login-submit').hide();
		$('#logout-btn').show().css('display', 'inline-block');
		if(u.role === 'admin') {
		    $('#admin-link').html('<a href="/admin.html" class="button">Admin-Dashboard</a>');
		}
		$('#login-nav').html('Account <i class="fa fa-user"></i>');
	});

	$('#login-form').submit(function(e) {
		e.preventDefault();
		$.post('/api/auth/login', { username: $('#login-username').val(), password: $('#login-password').val() })
		 .done(function() { window.location.reload(); })
		 .fail(function(err) { alert("Login fehlgeschlagen. Bitte Zugangsdaten ueberpruefen."); });
	});

	$('#logout-btn').click(function(e) {
		e.preventDefault();
		$.post('/api/auth/logout').done(function() { window.location.reload(); });
	});

  })(jQuery);