YAHOO.namespace("ibe.deals");

YUI({
      modules:{
        'slideshow':{},
        'ibe-anim':{}
      }
    }).use('node', 'anim', 'overlay', 'slideshow', 'ibe-anim', function(Y) {

             var DEAL = YAHOO.ibe.deals;

             var listComponent = undefined;

             Y.on('domready', function() {
               DEAL.initPage();
             });

             YAHOO.ibe.deals.initPage = function() {
               // Containers
               DEAL.fullBestDealsList = null;

               // Element id definitions
               DEAL.pageMapElementId = 'pageMapDiv';
               DEAL.pageListElementId = 'pageList';
               DEAL.pageErrorElementId = 'pageErrorDiv';
               DEAL.pageLoadingElementId = 'pageLoadingDiv';
               DEAL.pageNoDealsFoundElementId = 'pageNoDealsFoundElementDiv';
               DEAL.pageOverlayDiv = 'pageOverlayDiv';
               DEAL.pageHotelImagesContainerElementId = '';

               DEAL.pageNoImagesForHotelElementId = null;
               DEAL.noImagesForHotel = [];
               DEAL.max = undefined;

               // Views
               DEAL.listView = null;
               DEAL.hotelImagesView = null;

               // Components
               DEAL.imagesList = null;
               DEAL.compImages = new Array(); // Hotels systemHotelCode is index!

               DEAL.lockedAtErrorPage = false; // If true, cannot load new sub pages, error page is locked in place.
               DEAL.processManager = new IBEProcessManager('pushover');

               DEAL.currentSubPage = undefined;
               DEAL.currentSortOption = undefined;
               DEAL.currentHotelSystemCode = undefined;
               DEAL.currentIndex = undefined;
               DEAL.currentUniqueId = undefined;

               // Slide show
               DEAL.currentPhotoIconElementId = undefined;
               DEAL.currentSlideshowContainerId = undefined;
               DEAL.currentSlideshowId = undefined;
               DEAL.openedSlideshowContainerId = undefined;
               DEAL.currentSlideshowHeaderId = undefined;
               DEAL.slideshowOverlays = [];
               DEAL.slideshows = [];
               DEAL.renderHotelImagesInTabView = false;

               // Price information
               DEAL.priceOverlays = new Array();
               DEAL.priceOverlayElementId = 'priceOverlay_';

               DEAL.setUpAllViews();
               DEAL.getBestDealsListAndRender();
               DEAL.showLoadingAnimation();
             };

             YAHOO.ibe.deals.setUpAllViews = function() {
               DEAL.listView = new IBEWebComponentView(DEAL.listViewAction);
               if (DEAL.searchType == 'Hotel' || DEAL.searchType == 'Combo' || DEAL.searchType == 'Vacation') {
                 DEAL.hotelImagesView = new IBEWebComponentView('/ajax.component.view.holidaydeal.hotelImagesView.action');
                 DEAL.hotelImagesView.fetchView();
               }
             };

             YAHOO.ibe.deals.getBestDealsListAndRender = function(url) {
               if (!url) url = DEAL.resultListAction + DEAL.searchParams;
               sendRequest(url, function(response, o) {
                 /**
                  * This function is callback when best deals list has been fetched. Setup components and render the page. And if
                  * sort option is already selected, then sort the list before rendering it.
                  *
                  * @param result JSON-result.
                  */
                   // Populate the list
                 DEAL.fullBestDealsList = response.model;
                 if (DEAL.currentSortOption !== undefined) {
                   DEAL.updateFilterAndSort(DEAL.currentSortOption.getId(),
                                            DEAL.currentSortOption.isDescSortOrder(),
                                            DEAL.currentSortOption.getSortValue(),
                                            true);
                 } else {
                   DEAL.renderResultList();
                 }
               }, function(response, o, error) {
                 YAHOO.ibe.deals.lockedAtErrorPage = true;
               }, {processManager:DEAL.processManager});
             };

             YAHOO.ibe.deals.getDeal = function(atIndex) {
               if (!DEAL.fullBestDealsList) {
                 ibeerror('No result list available on page.');
                 return;
               }
               return DEAL.fullBestDealsList[atIndex];
             };

             YAHOO.ibe.deals.dataHasBeenFetched = function(result) {
             };

             YAHOO.ibe.deals.showSubPage = function(id) {
               if (DEAL.lockedAtErrorPage) {
                 id = DEAL.pageErrorElementId;
               }
               setHidden(DEAL.pageLoadingElementId, true);
               setVisible(id, true);
               DEAL.currentSubPage = id;
             };

             YAHOO.ibe.deals.hideSubPage = function(id) {
               if (DEAL.lockedAtErrorPage) id = DEAL.pageErrorElementId;
               setHidden(id, true);
             };

             YAHOO.ibe.deals.display = function(id) {
               if (id) setVisible(id, true);
             };

             YAHOO.ibe.deals.hide = function(id) {
               if (id) setHidden(id, true);
             };

             YAHOO.ibe.deals.showLoadingAnimation = function() {
               DEAL.hideAllSubPages();
               DEAL.showSubPage(DEAL.pageLoadingElementId);
             };

             YAHOO.ibe.deals.hideAllSubPages = function() {
               setHidden(DEAL.pageListElementId, true);
               setHidden(DEAL.pageErrorElementId, true);
               setHidden(DEAL.pageLoadingElementId, true);
               setHidden(DEAL.pageDetailsElementId, true);
               setHidden(DEAL.pageNoDealsFoundElementId, true);
             };

             YAHOO.ibe.deals.renderResultList = function() {
               if (DEAL.fullBestDealsList && DEAL.fullBestDealsList.length) {
                 if (listComponent === undefined) {
                   listComponent = new IBEWebComponentList({
                                                             id:'pageList',
                                                             view:DEAL.listView,
                                                             placeHolderId:DEAL.pageListElementId,
                                                             showMoreText:UiText.get(DEAL.searchType + '.Result.List.ShowMoreButton.Label') + ' »',
                                                             showMoreDivCssClass:'hotelShowMoreButtonDiv',
                                                             renderCallback:function() {
                                                               DEAL.showSubPage(DEAL.pageListElementId);
                                                               DEAL.initPriceOverlays();
                                                               DEAL.attachAirInfoEvents();
                                                             },
                                                             renderMoreCallback:function() {
                                                               DEAL.initPriceOverlays();
                                                               DEAL.attachAirInfoEvents();
                                                             },
                                                             renderPerPass:DEAL.max !== undefined ? DEAL.max : 10
                                                           });
                 }
                 listComponent.setList(DEAL.fullBestDealsList);
                 listComponent.render();
               } else {
                 DEAL.renderNoDealsFoundComponent();
               }
             };

             YAHOO.ibe.deals.renderNoDealsFoundComponent = function() {
               Y.one('#' + DEAL.pageNoDealsFoundElementId).set('innerHTML', UiText.get(DEAL.searchType + '.Result.NoDealsFound'));
               DEAL.showSubPage(DEAL.pageNoDealsFoundElementId);
             };

             YAHOO.ibe.deals.updateFilterAndSort = function(id, desc, sortValue, listAlreadySorted) {
               if (!id) {
                 ibeerror('No filters component available on page.');
                 return;
               }

               var SortOption = function(id, sortValue, desc) {
                 this.id = id;
                 this.sortValue = sortValue;
                 this.desc = desc;

                 this.getId = function() {
                   return this.id;
                 };

                 this.getSortValue = function() {
                   return this.sortValue;
                 };

                 this.isDescSortOrder = function() {
                   return this.desc;
                 };

                 this.toString = function() {
                   return '\nSortOption {id : ' + this.id + ",\nsortValue : " + this.sortValue + ",\ndesc : " + this.desc + "}";
                 };
               };

               var e = document.getElementById(id);
               if (e) {
                 if (!desc) desc = false;
                 if (!sortValue) sortValue = e.name;

                 if (DEAL.currentSortOption == undefined) {
                   DEAL.currentSortOption = new SortOption(id, sortValue, desc);
                 } else {
                   if (DEAL.currentSortOption.getId() == id && !listAlreadySorted) {
                     return;
                   }
                 }

                 DEAL.currentSortOption = new SortOption(id, sortValue, desc);

                 IBESorter.sort(DEAL.fullBestDealsList, sortValue, desc);

                 DEAL.renderResultList();

                 DEAL.resetOverlayHolders();
               }
             };

             YAHOO.ibe.deals.updateFilterAndRefresh = function(form) {
               if (!form) {
                 ibeerror('No filters component available on page.');
                 return;
               }

               var url = DEAL.createFilterOptionsUrl(form);
               if (url) {
                 DEAL.showLoadingAnimation();
                 YAHOO.ibe.deals.getBestDealsListAndRender(url);
               }

             };

             YAHOO.ibe.deals.createFilterOptionsUrl = function(form) {
               var url = DEAL.resultListAction, max, parameters, direct;
               parameters = new RequestParameters({form:form, includeEmptyParameterValues:false});

               max = parameters.getParameter('max');
               if (max) DEAL.max = max.value;

               direct = parameters.getParameter('direct');
               if (direct) direct.value = 'true';

               url += "?" + parameters.toString();

               DEAL.resetOverlayHolders();

               return url;
             };

             YAHOO.ibe.deals.showHotelImages = function(atIndex) {
               var deal = DEAL.getDeal(atIndex);
               DEAL.renderHotelImagesInTabView = false;
               DEAL.currentIndex = atIndex;
               DEAL.currentHotelSystemCode = deal.systemHotelCode;
               DEAL.currentUniqueId = DEAL.currentIndex + "_" + DEAL.currentHotelSystemCode;

               DEAL.closeOpenedHotelDetails();
               DEAL.closeOpenedSlideshow();

               DEAL.currentPhotoIconElementId = 'photoIcon_' + DEAL.currentUniqueId;
               DEAL.currentSlideshowContainerId = 'pageHotelImagesContainerElementDiv_' + DEAL.currentUniqueId;
               DEAL.currentSlideshowId = 'slideshow_' + DEAL.currentUniqueId;
               DEAL.currentSlideshowHeaderId = 'slideshow_' + DEAL.currentUniqueId + '_header';
               DEAL.pageNoImagesForHotelElementId = 'noImagesForHotel_' + DEAL.currentUniqueId;
               DEAL.openedSlideshowContainerId = DEAL.currentSlideshowContainerId;
               DEAL.openedSlideshowId = DEAL.currentSlideshowId;
               DEAL.slideshowLoadingAnimationElementId = 'animation_' + DEAL.currentUniqueId;

               DEAL.displaySlideshowOverlay();

               DEAL.fetchAndRenderHotelImages(deal);
             };

             YAHOO.ibe.deals.fetchAndRenderHotelImages = function(deal) {
               if (DEAL.compImages[DEAL.currentUniqueId] === undefined) {
                 if (deal.images === undefined || deal.images.length == 0) {
                   DEAL.fetchHotelImages(deal);
                 } else {
                   DEAL.renderHotelImages();
                 }
               }
               DEAL.renderHotelImages();
             };

             YAHOO.ibe.deals.attachAirInfoEvents = function() {
               DEAL.airInfoElementId = undefined;
               DEAL.airInfoAnim = new Array();

               var nodes = Y.all('.airInfo');

               var display = function(e) {
                 var id = e.currentTarget.get('id');
                 var unique = DEAL.getUniqueId(id);
                 var alreadyOpenedAirInfoElementId = undefined;

                 if (unique !== undefined) {
                   if (DEAL.airInfoElementId === undefined) {
                     DEAL.airInfoElementId = 'airInfo_' + unique;
                     if (DEAL.airInfoAnim[DEAL.airInfoElementId] === undefined) {
                       DEAL.airInfoAnim[DEAL.airInfoElementId] = new Y.SlideDownUp(DEAL.airInfoElementId);
                       DEAL.airInfoAnim[DEAL.airInfoElementId].open();
                     }
                   } else {
                     if (DEAL.airInfoElementId === 'airInfo_' + unique) {
                       DEAL.airInfoAnim[DEAL.airInfoElementId].toggle();
                     } else {
                       DEAL.airInfoAnim[DEAL.airInfoElementId].close();
                       alreadyOpenedAirInfoElementId = DEAL.airInfoElementId;
                       DEAL.airInfoElementId = 'airInfo_' + unique;
                       if (DEAL.airInfoAnim[DEAL.airInfoElementId] === undefined) {
                         DEAL.airInfoAnim[DEAL.airInfoElementId] = new Y.SlideDownUp(DEAL.airInfoElementId);
                       }
                       DEAL.airInfoAnim[DEAL.airInfoElementId].open();
                     }
                   }
                   toggleIcons(unique, alreadyOpenedAirInfoElementId);
                 }
               };

               var toggleIcons = function(id, alreadyOpenedAirInfoElementId) {
                 if (alreadyOpenedAirInfoElementId !== undefined) {
                   var openedId = DEAL.getUniqueId(alreadyOpenedAirInfoElementId);
                   DEAL.hide('airInfoMinusIcon_' + openedId);
                   DEAL.display('airInfoPlusIcon_' + openedId);
                 }

                 if (DEAL.airInfoAnim[DEAL.airInfoElementId].isOpened) {
                   DEAL.display('airInfoMinusIcon_' + id);
                   DEAL.hide('airInfoPlusIcon_' + id);
                 } else {
                   DEAL.hide('airInfoMinusIcon_' + id);
                   DEAL.display('airInfoPlusIcon_' + id);
                 }
               };

               if (nodes) {
                 nodes.detachAll();
                 nodes.on('click', display);
               }
             };

             /**
              * Splits id 'airInfoText_0_7_184176' --> [airInfoText, 0, 7, 184176] and creates an index = '0_7_184176', which is
              * the unique id composed by index position in the result list and hotelSystemCode.
              *
              * @param id HTML element id. EX_ 'airInfoText_0_7_184176'
              */
             YAHOO.ibe.deals.getUniqueId = function(id) {
               var unique = undefined;

               if (id) {
                 unique = '';
                 var argv = id.split('_');
                 for (var i = 1; i < argv.length; i++) {
                   if (i == 1) {
                     unique += argv[i];
                   } else {
                     unique += '_' + argv[i];
                   }
                 }
               }
               return unique;
             };

             YAHOO.ibe.deals.fetchHotelImages = function(deal) {
               if (deal) {
                 var url = '/ajax.component.model.hotel.imagesforhotel.action?systemHotelCode=' + DEAL.currentHotelSystemCode + '&hotelImagesFromDB=true';

                 sendRequest(url, function(response) {
                   var deal = DEAL.getDeal(DEAL.currentIndex);
                   deal.images = response.model;

                   if (deal.images === undefined || deal.images.length == 0) {
                     DEAL.noImagesForHotel[DEAL.pageNoImagesForHotelElementId] = true;
                   }
                   DEAL.renderHotelImages();
                 }, function() {
                   ibeerror("Unable to fetch images.");
                 })
               }
             };

             YAHOO.ibe.deals.renderHotelImages = function() {
               var deal = DEAL.getDeal(DEAL.currentIndex);
               if (deal) {
                 var component;
                 if (DEAL.renderHotelImagesInTabView === true) {
                   var placeHolder = 'images_' + DEAL.currentUniqueId;
                   component = new IBEWebComponent({
                                                     id:'hotelTabImagesId',
                                                     view:DEAL.hotelImagesTabView,
                                                     model:deal,
                                                     placeHolderId:placeHolder,
                                                     renderCallback:DEAL.showImagesInTabContainer
                                                   });
                   component.showLoadingWhileRendering = true;
                 } else {
                   component = new IBEWebComponent({
                                                     id:'hotelSlideshowImagesId',
                                                     view:DEAL.hotelImagesView,
                                                     model:deal,
                                                     placeHolderId:DEAL.currentSlideshowContainerId,
                                                     renderCallback:DEAL.showImagesContainer
                                                   });
                   component.showLoadingWhileRendering = false;
                 }

                 component.render();
                 DEAL.compImages[DEAL.currentUniqueId] = component;
               }
             };

             YAHOO.ibe.deals.generateHtmlForImageList = function(images) {
               var html = "";
               for (var i = 0; i < images.length; i++) {
                 html += '<div class="slideshowImgDiv"><img src="' + images[i].url + '"/></div>';
               }
               return html;
             };

             YAHOO.ibe.deals.displaySlideshowOverlay = function() {
               if (DEAL.slideshowOverlays[DEAL.currentSlideshowContainerId] === undefined) {
                 DEAL.slideshowOverlays[DEAL.currentSlideshowContainerId] = new Y.Overlay({
                                                                                            contentBox:'#' + DEAL.currentSlideshowContainerId,
                                                                                            visible:true,
                                                                                            align:{
                                                                                              node:'#' + DEAL.currentPhotoIconElementId,
                                                                                              points:[Y.WidgetPositionAlign.TL, Y.WidgetPositionAlign.RC]
                                                                                            }
                                                                                          });
               }
               DEAL.slideshowOverlays[DEAL.currentSlideshowContainerId].render();

               DEAL.display(DEAL.currentSlideshowContainerId);
             };

             YAHOO.ibe.deals.showImagesContainer = function() {
               DEAL.display(DEAL.slideshowLoadingAnimationElementId);

               var deal = DEAL.getDeal(DEAL.currentIndex);
               if (deal.images !== undefined && deal.images.length > 0) {
                 DEAL.slideshows[DEAL.currentSlideshowId] = new Y.Slideshow(DEAL.currentSlideshowId, {
                   interval:4000,
                   duration:0.5,
                   nextButton:'#slideshowNext_' + DEAL.currentUniqueId,
                   previousButton:'#slideshowPrev_' + DEAL.currentUniqueId,
                   playButton:'#slideshowPlay_' + DEAL.currentUniqueId,
                   pauseButton:'#slideshowPause_' + DEAL.currentUniqueId
                 });

                 DEAL.hide(DEAL.slideshowLoadingAnimationElementId);
                 DEAL.display(DEAL.currentSlideshowId);
                 DEAL.display(DEAL.currentSlideshowHeaderId);

                 var playButton = Y.one('#slideshowPlay_' + DEAL.currentUniqueId);
                 var pauseButton = Y.one('#slideshowPause_' + DEAL.currentUniqueId);
                 var nextButton = Y.one('#slideshowNext_' + DEAL.currentUniqueId);
                 var prevButton = Y.one('#slideshowPrev_' + DEAL.currentUniqueId);

                 var play = function() {
                   if (DEAL.slideshows[DEAL.currentSlideshowId] !== undefined) {
                     DEAL.hide('slideshowPlay_' + DEAL.currentUniqueId);
                     DEAL.display('slideshowPause_' + DEAL.currentUniqueId);
                   }
                 };

                 var pause = function() {
                   if (DEAL.slideshows[DEAL.currentSlideshowId] !== undefined) {
                     DEAL.hide('slideshowPause_' + DEAL.currentUniqueId);
                     DEAL.display('slideshowPlay_' + DEAL.currentUniqueId);
                   }
                 };

                 playButton.on('click', play);
                 pauseButton.on('click', pause);
                 nextButton.on('click', pause);
                 prevButton.on('click', pause);
               }

               DEAL.setNoImagesForHotelText();
             };

             YAHOO.ibe.deals.initPriceOverlays = function() {
               var priceNodes = Y.all('.holidayPrice');

               var displayOverlay = function(e, display) {
                 var priceLabelId = e.currentTarget.get('id');
                 var contentId = priceLabelId + "_overlay";

                 if (priceLabelId && contentId) {
                   if (display) {
                     if (DEAL.priceOverlays[priceLabelId] === undefined) {
                       DEAL.priceOverlays[priceLabelId] = new Y.Overlay({
                                                                          contentBox:'#' + contentId,
                                                                          visible:true,
                                                                          zIndex:6,
                                                                          align:{
                                                                            node:'#' + priceLabelId,
                                                                            points:[Y.WidgetPositionAlign.TL, Y.WidgetPositionAlign.RC]
                                                                          }
                                                                        });
                     }
                     DEAL.priceOverlays[priceLabelId].render('#' + DEAL.pageOverlayDiv);

                     DEAL.display(contentId);

                     new Y.IBEFade(contentId, {
                       from:{ opacity:0, width:'180px', height:'100%' },
                       to:{ opacity:1, width:'180px', height:'100%' }
                     }).fadeIn();
                   } else {
                     new Y.IBEFade(contentId).fadeOut();
                   }
                 }
               };

               priceNodes.detachAll();
               priceNodes.on('mouseover', displayOverlay, this, true);
               priceNodes.on('mouseout', displayOverlay, this, false);
             };

             YAHOO.ibe.deals.closeOpenedSlideshow = function() {
               if (DEAL.openedSlideshowContainerId !== undefined) {
                 var slideshowToClose = DEAL.slideshows[DEAL.openedSlideshowId];
                 if (slideshowToClose !== undefined) {
                   slideshowToClose.stopSlideshow();
                 }
                 DEAL.hide(DEAL.openedSlideshowContainerId);
               }
             };

             YAHOO.ibe.deals.setNoImagesForHotelText = function() {
               if (DEAL.noImagesForHotel[DEAL.pageNoImagesForHotelElementId] === true) {
                 DEAL.hide(DEAL.slideshowLoadingAnimationElementId);
                 setInnerHTML(DEAL.pageNoImagesForHotelElementId, DEAL.noImagesForHotelText);
                 DEAL.display(DEAL.pageNoImagesForHotelElementId);
               }
             };

             YAHOO.ibe.deals.index = function() {
               return YAHOO.ibe.deals.currentIndex;
             };

             YAHOO.ibe.deals.resetOverlayHolders = function() {
               DEAL.priceOverlays = new Array();
               DEAL.slideshowOverlays = new Array();
               DEAL.compImages = new Array();
             };

           });