/**
   * Copyright (c) 2011, Robin Appelman <icewind1991@gmail.com>
   * Copyright (c) 2012, Thomas Tanghus <thomas@tanghus.net>
   * This file is licensed under the Affero General Public License version 3 or later.
   * See the COPYING-README file.
   */
  
  OC.Settings = OC.Settings || {};
  OC.Settings.Apps = OC.Settings.Apps || {
  	loadApp:function(app) {

  		var page = $('#app-content');

  		page.find('p.license').show();
  		page.find('span.name').text(app.name);
  		page.find('small.externalapp').text(app.internallabel);
  		if (app.version) {
  			page.find('span.version').text(app.version);
  		} else {
  			page.find('span.version').text('');
  		}
  		page.find('span.score').html(app.score);
  		page.find('p.description').text(app.description);
  		page.find('img.preview').attr('src', app.preview);
  		if (app.preview && app.preview.length) {
  			page.find('img.preview').show();
  		} else {
  			page.find('img.preview').hide();
  		}
  		page.find('small.externalapp').attr('style', 'visibility:visible');
  		page.find('span.author').text(app.author);

  		// FIXME licenses of downloaded apps go into app.licence, licenses of not-downloaded apps into app.license
  		var appLicense = '';
  		if (typeof(app.licence) !== 'undefined') {
  			appLicense = app.licence;
  		} else if (typeof(app.license) !== 'undefined') {
  			appLicense = app.license;
  		}
  		page.find('span.licence').text(appLicense);

  		var userDocumentation = false;
  		var adminDocumentation = false;
  		if (typeof(app.documentation) !== 'undefined') {
  			if (typeof(app.documentation.user) !== 'undefined') {
  				userDocumentation = true;
  				page.find('span.userDocumentation').html("<a id='userDocumentation' href='" + app.documentation.user + "'>" + t('settings', 'User Documentation') + "</a>");
  				page.find('p.documentation').show();
  			}

  			else {
  				page.find('span.userDocumentation').empty();
  				userDocumentation = false;
  			}

  			if (typeof(app.documentation.admin) !== 'undefined') {
  				adminDocumentation = true;
  				page.find('span.adminDocumentation').html("<a id='adminDocumentation' href='" + app.documentation.admin + "'>" + t('settings', 'Admin Documentation') + "</a>");
  				page.find('p.documentation').show();
  			}

  			else {
  				page.find('span.adminDocumentation').empty();
  				adminDocumentation = false;
  			}

  
  			if(userDocumentation && adminDocumentation) {

  				page.find('span.comma').remove();
  				page.find('span.userDocumentation').after('<span class="comma">, </span>');
  			}
  			else {
  				page.find('span.comma').remove();

  			}
  		}

  		else {
  			page.find('p.documentation').hide();
  		}

  
  		if (typeof(app.website) !== 'undefined') {
  			page.find('p.website').show();
  			page.find('a#websitelink').attr('href', app.website);
  		}

  		if (app.update !== false) {

  			page.find('input.update').show();
  			page.find('input.update').data('appid', app.id);
  			page.find('input.update').attr('value',t('settings', 'Update to {appversion}', {appversion:app.update}));
  		} else {
  			page.find('input.update').hide();
  		}

  		if (app.removable !== false && app.active === false) {
  			page.find('a.uninstall').show();
  			page.find('a.uninstall').data('appid', app.id);
  			page.find('a.uninstall').attr('value', t('settings', 'Uninstall App'));
  		} else {
  			page.find('a.uninstall').hide();
  		}

  		page.find('input.enable').show();
  		page.find('input.enable').val((app.active) ? t('settings', 'Disable') : t('settings', 'Enable'));
  		page.find('input.enable').data('appid', app.id);
  		page.find('input.enable').data('active', app.active);

  		if (app.internal === false) {

  			page.find('span.score').show();

  			page.find('p.appstore').show();
  			page.find('a#appstorelink').attr('href', 'http://apps.owncloud.com/content/show.php?content=' + app.id);

  			page.find('small.externalapp').hide();
  		} else {
  			page.find('p.appslink').hide();
  			page.find('span.score').hide();
  		}

  		if (typeof($('#app-navigation ul li[data-id="'+app.id+'"]').data('errormsg')) !== "undefined") {

  			page.find(".warning").show();

  			page.find(".warning").text($('#app-navigation ul li[data-id="'+app.id+'"]').data('errormsg'));

  		} else {
  			page.find(".warning").hide();
  		}

  
  		page.find("div.multiselect").parent().remove();
  		if(OC.Settings.Apps.isType(app, 'filesystem') || OC.Settings.Apps.isType(app, 'prelogin') ||
  			OC.Settings.Apps.isType(app, 'authentication') || OC.Settings.Apps.isType(app, 'logging')) {
  			page.find("#groups_enable").hide();
  			page.find("label[for='groups_enable']").hide();
  			page.find("#groups_enable").attr('checked', null);
  		} else {
  			$('#group_select > option').each(function (i, el) {
  				if (app.groups.length === 0 || app.groups.indexOf(el.value) >= 0) {
  					$(el).attr('selected', 'selected');
  				} else {
  					$(el).attr('selected', null);
  				}
  			});
  			if (app.active) {
  				if (app.groups.length) {
  					$('#group_select').multiSelect();
  					page.find("#groups_enable").attr('checked','checked');
  				} else {
  					page.find("#groups_enable").attr('checked', null);
  				}
  				page.find("#groups_enable").show();
  				page.find("label[for='groups_enable']").show();
  			} else {
  				page.find("#groups_enable").hide();
  				page.find("label[for='groups_enable']").hide();
  			}
  		}

  	},

  	enableApp:function(appid, active, element, groups) {
  		groups = groups || [];
  		var appitem=$('#app-navigation ul li[data-id="'+appid+'"]');

  		element.val(t('settings','Please wait....'));

  		if(active && !groups.length) {

  			$.post(OC.filePath('settings','ajax','disableapp.php'),{appid:appid},function(result) {

  				if(!result || result.status !== 'success') {
  					if (result.data && result.data.message) {
  						OC.Settings.Apps.showErrorMessage(result.data.message);
  						appitem.data('errormsg', result.data.message);
  					} else {
  						OC.Settings.Apps.showErrorMessage(t('settings', 'Error while disabling app'));
  						appitem.data('errormsg', t('settings', 'Error while disabling app'));
  					}
  					element.val(t('settings','Disable'));
  					appitem.addClass('appwarning');

  				}
  				else {

  					appitem.data('active',false);

  					appitem.data('groups', '');

  					element.data('active',false);
  					OC.Settings.Apps.removeNavigation(appid);

  					appitem.removeClass('active');

  					element.val(t('settings','Enable'));

  					element.parent().find("#groups_enable").hide();
  					element.parent().find("label[for='groups_enable']").hide();
  					var app = OC.get('appData_' + appid);
  					app.active = false;

  				}
  			},'json');

  		} else {

  			$.post(OC.filePath('settings','ajax','enableapp.php'),{appid: appid, groups: groups},function(result) {

  				if(!result || result.status !== 'success') {
  					if (result.data && result.data.message) {
  						OC.Settings.Apps.showErrorMessage(result.data.message);
  						appitem.data('errormsg', result.data.message);
  					} else {
  						OC.Settings.Apps.showErrorMessage(t('settings', 'Error while enabling app'));
  						appitem.data('errormsg', t('settings', 'Error while disabling app'));
  					}
  					element.val(t('settings','Enable'));
  					appitem.addClass('appwarning');
  				} else {

  					OC.Settings.Apps.addNavigation(appid);

  					appitem.data('active',true);

  					element.data('active',true);

  					appitem.addClass('active');

  					element.val(t('settings','Disable'));

  					var app = OC.get('appData_' + appid);
  					app.active = true;
  					if (OC.Settings.Apps.isType(app, 'filesystem') || OC.Settings.Apps.isType(app, 'prelogin') ||
  						OC.Settings.Apps.isType(app, 'authentication') || OC.Settings.Apps.isType(app, 'logging')) {
  						element.parent().find("#groups_enable").hide();
  						element.parent().find("label[for='groups_enable']").hide();
  					} else {
  						element.parent().find("#groups_enable").show();
  						element.parent().find("label[for='groups_enable']").show();
  						if (groups) {
  							appitem.data('groups', JSON.stringify(groups));
  						} else {
  							appitem.data('groups', '');
  						}
  					}

  				}
  			},'json')

  			.fail(function() {

  				OC.Settings.Apps.showErrorMessage(t('settings', 'Error while enabling app'));
  				appitem.data('errormsg', t('settings', 'Error while enabling app'));
  				appitem.data('active',false);
  				appitem.addClass('appwarning');

  				OC.Settings.Apps.removeNavigation(appid);
  				element.val(t('settings','Enable'));
  			});

  		}
  	},
  	updateApp:function(appid, element) {

  		element.val(t('settings','Updating....'));
  		$.post(OC.filePath('settings','ajax','updateapp.php'),{appid:appid},function(result) {

  			if(!result || result.status !== 'success') {
  				OC.Settings.Apps.showErrorMessage(t('settings','Error while updating app'),t('settings','Error'));
  				element.val(t('settings','Update'));

  			}
  			else {
  				element.val(t('settings','Updated'));
  				element.hide();
  			}
  		},'json');
  	},

  	uninstallApp:function(appid, element) {
  		element.val(t('settings','Uninstalling ....'));
  		$.post(OC.filePath('settings','ajax','uninstallapp.php'),{appid:appid},function(result) {
  			if(!result || result.status !== 'success') {
  				OC.Settings.Apps.showErrorMessage(t('settings','Error while uninstalling app'),t('settings','Error'));
  				element.val(t('settings','Uninstall'));
  			} else {
  				OC.Settings.Apps.removeNavigation(appid);
  				appitem.removeClass('active');
  			}
  		},'json');
  	},

  
  	insertApp:function(appdata) {

  		var applist = $('#app-navigation ul li');

  		var app =
  				$('<li data-id="' + appdata.id + '" data-type="external" data-installed="0">'
  				+ '<a class="app externalapp" href="' + OC.filePath('settings', 'apps', 'index.php') + '&appid=' + appdata.id+'">'
  				+ appdata.name+'</a><small class="externalapp list">3rd party</small></li>');
  		app.data('app', appdata);
  		var added = false;
  		applist.each(function() {
  			if(!parseInt($(this).data('installed')) && $(this).find('a').text().toLowerCase() > appdata.name.toLowerCase()) {
  				$(this).before(app);
  				added = true;
  				return false; // dang, remember this to get out of loop
  			}
  		});
  		if(!added) {
  			applist.last().after(app);
  		}
  		return app;
  	},
  	removeNavigation: function(appid){
  		$.getJSON(OC.filePath('settings', 'ajax', 'navigationdetect.php'), {app: appid}).done(function(response){
  			if(response.status === 'success'){
  				var navIds=response.nav_ids;
  				for(var i=0; i< navIds.length; i++){

  					$('#apps ul').children('li[data-id="'+navIds[i]+'"]').remove();

  				}
  			}
  		});
  	},
  	addNavigation: function(appid){
  		$.getJSON(OC.filePath('settings', 'ajax', 'navigationdetect.php'), {app: appid}).done(function(response){
  			if(response.status === 'success'){
  				var navEntries=response.nav_entries;
  				for(var i=0; i< navEntries.length; i++){
  					var entry = navEntries[i];

  					var container = $('#apps ul');

  
  					if(container.children('li[data-id="'+entry.id+'"]').length === 0){
  						var li=$('<li></li>');
  						li.attr('data-id', entry.id);

  						var img= $('<img class="app-icon"/>').attr({ src: entry.icon});

  						var a=$('<a></a>').attr('href', entry.href);
  						var filename=$('<span></span>');
  						filename.text(entry.name);
  						a.prepend(filename);
  						a.prepend(img);
  						li.append(a);

  
  						// append the new app as last item in the list
  						// which is the "add apps" entry with the id
  						// #apps-management
  						$('#apps-management').before(li);
  
  						// scroll the app navigation down
  						// so the newly added app is seen
  						$('#navigation').animate({
  							scrollTop: $('#navigation').height()
  						}, 'slow');
  
  						// draw attention to the newly added app entry
  						// by flashing it twice
  						$('#header .menutoggle')
  							.animate({opacity: 0.5})
  							.animate({opacity: 1})
  							.animate({opacity: 0.5})
  							.animate({opacity: 1})
  							.animate({opacity: 0.75});

  						if (!SVGSupport() && entry.icon.match(/\.svg$/i)) {
  							$(img).addClass('svg');
  							replaceSVG();
  						}
  					}
  				}
  			}
  		});

  	},
  	showErrorMessage: function(message) {
  		$('.appinfo .warning').show();
  		$('.appinfo .warning').text(message);

  	},
  	isType: function(app, type){
  		return app.types && app.types.indexOf(type) !== -1;

  	}
  };
  
  $(document).ready(function(){

  	$('#app-navigation ul li').each(function(index,li){

  		var app = OC.get('appData_'+$(li).data('id'));

  		if (app) {
  			app.groups= $(li).data('groups') || [];
  		}

  		$(li).data('app',app);
  		$(this).find('span.hidden').remove();
  	});

  	$('#app-navigation ul li').keydown(function(event) {

  		if (event.which === 13 || event.which === 32) {

  			$(event.target).click();
  		}
  		return false;
  	});

  	$(document).on('click', '#app-navigation', function(event){

  		var tgt = $(event.target);
  		if (tgt.is('li') || tgt.is('a')) {
  			var item = tgt.is('li') ? $(tgt) : $(tgt).parent();
  			var app = item.data('app');
  			OC.Settings.Apps.loadApp(app);

  			$('#app-navigation .selected').removeClass('selected');
  			item.addClass('selected');

  		}
  		return false;
  	});

  	$('#app-content input.enable').click(function(){

  		var element = $(this);
  		var appid=$(this).data('appid');
  		var active=$(this).data('active');
  		if(appid) {
  			OC.Settings.Apps.enableApp(appid, active, element);
  		}
  	});

  	$('#app-content input.update').click(function(){

  		var element = $(this);
  		var appid=$(this).data('appid');
  		if(appid) {
  			OC.Settings.Apps.updateApp(appid, element);
  		}
  	});

  	$('#app-content a.uninstall').click(function(){
  		var element = $(this);
  		var appid=$(this).data('appid');
  		if(appid) {
  			OC.Settings.Apps.uninstallApp(appid, element);
  		}
  	});
  
  	$('#group_select').change(function() {
  		var element = $('#app-content input.enable');
  		var groups = $(this).val();
  		var appid = element.data('appid');
  		if (appid) {
  			OC.Settings.Apps.enableApp(appid, false, element, groups);
  			var li = $('[data-id="'+appid+'"]');
  			var app = OC.get('appData_' + $(li).data('id'));
  			app.groups = groups;
  			li.data('groups', groups);
  			li.attr('data-groups', JSON.stringify(groups));
  		}
  	});

  
  	if(appid) {

  		var item = $('#app-navigation ul li[data-id="'+appid+'"]');

  		if(item) {
  			item.trigger('click');
  			item.addClass('active');

  			$('#app-navigation').animate({scrollTop: item.offset().top-70}, 'slow','swing');

  		}
  	}

  
  	$("#groups_enable").change(function() {
  		if (this.checked) {
  			$("div.multiselect").parent().remove();
  			$('#group_select').multiSelect();
  		} else {
  			$('#group_select').hide().val(null);
  			$("div.multiselect").parent().remove();
  		}
  
  		$('#group_select').change();
  	});

  });