import idb from"./idbcore.js";let libraryDbVersion=3,databases={};function openLibraryDatabase(dbName){return new Promise(function(resolve,reject){if(dbName in databases)resolve(databases[dbName]);else{let request=indexedDB.open(dbName,libraryDbVersion);request.onerror=reject,request.onblocked=reject,request.onupgradeneeded=function(event){var db=request.result;event.oldVersion<1&&db.createObjectStore(dbName),event.oldVersion<3&&((db=request.transaction.objectStore(dbName)).createIndex("Index_ItemType","Item.Type"),db.createIndex("Index_SyncStatus","SyncStatus"))},request.onsuccess=function(event){let db=event.target.result;db.onversionchange=function(){db.close(),delete databases[dbName]},databases[dbName]=db,resolve(db)}}})}function getLibraryDb(serverId){return openLibraryDatabase("items_"+serverId)}function getLibrarytemTypes(serverId){return getLibraryDb(serverId).then(function(db){return idb.getDistinctndexKeys(db,"Index_ItemType")})}function getLibraryItemsByIds(serverId,ids){return getLibraryDb(serverId).then(function(db){return idb.getObjectsByKeys(db,ids).then(function(items){return items=items||[],(items=Array.isArray(items)?items:[items]).sort(function(a,b){a=ids.indexOf(a.Id),b=ids.indexOf(b.Id);return indexedDB.cmp(a,b)}),Promise.resolve(items)})})}function getLibraryItemPathsByIds(serverId,ids){return getLibraryItemsByIds(serverId,ids).then(function(items){items=items.reduce(function(result,item){var id_path;return item&&(id_path={ItemId:item.ItemId,LocalPath:""},item.LocalPath?id_path.LocalPath=item.LocalPath:item.Item&&item.Item.MediaSources&&item.Item.MediaSources.length&&(item=item.Item.MediaSources[0],id_path.LocalPath=item.StreamUrl||item.Path),result.push(id_path)),result},[]);return Promise.resolve(items)}).catch(function(error){return Promise.resolve([])})}function getLibraryItemsBySyncStatus(serverId,syncStati){return getLibraryDb(serverId).then(function(db){return idb.getObjectsByIndexKeys(db,"Index_SyncStatus",syncStati)})}function getLibraryItemsByType(serverId,itemTypes,options){return getLibraryDb(serverId).then(function(db){return idb.getObjectsByIndexKeys(db,"Index_ItemType",itemTypes)})}function getAllLibraryItems(serverId){return getLibraryDb(serverId).then(function(db){return idb.getAllObjects(db)})}function getLibraryItem(serverId,key){return getLibraryDb(serverId).then(function(db){return idb.getObjectByKey(db,key)})}function addLibraryItem(serverId,key,val){return getLibraryDb(serverId).then(function(db){return idb.addObject(db,key,val)})}function updateLibraryItem(serverId,key,val){return getLibraryDb(serverId).then(function(db){return idb.updateObject(db,key,val)})}function deleteLibraryItem(serverId,key){return getLibraryDb(serverId).then(function(db){return idb.deleteObject(db,key)})}function clearLibrary(serverId){return getLibraryDb(serverId).then(function(db){return idb.clearObjects(db)})}function getLibraryItems(serverId,options){let searchParentId=options.ParentId,seasonId=(searchParentId=normalizeId(searchParentId),normalizeId(options.SeasonId||options.seasonId)),seriesId=normalizeId(options.SeriesId||options.seriesId),albumIds=normalizeIdList(options.AlbumIds||options.albumIds),includeItemTypes=options.IncludeItemTypes?options.IncludeItemTypes.split(","):[],filters=options.Filters?options.Filters.split(","):[],mediaTypes=options.MediaTypes?options.MediaTypes.split(","):[],getPromise=(updateFiltersForTopLevelView(searchParentId,mediaTypes,includeItemTypes,options)&&(searchParentId=null),Promise.resolve());return searchParentId&&(getPromise=getLibraryItem(serverId,searchParentId).then(function(item){item&&item.Item&&"MusicAlbum"===item.Item.Type&&(albumIds.push(searchParentId),searchParentId=null,options.Recursive=!0,includeItemTypes.push("Audio"))})),(getPromise=includeItemTypes.length?getPromise.then(function(){var includeSet=Array.from(new Set(includeItemTypes));return includeItemTypes=[],getLibraryItemsByType(serverId,includeSet)}):getPromise.then(function(){return getAllLibraryItems(serverId)})).then(function(items){let itemsMap=new Map,subtreeIdSet=new Set;if(items.forEach(function(item){item.Item.LocalChildren=[],itemsMap.set(item.Item.Id,item.Item)}),itemsMap.forEach(function(item){item.ParentId&&itemsMap.has(item.ParentId)&&itemsMap.get(item.ParentId).LocalChildren.push(item)}),options.Recursive&&searchParentId&&itemsMap.has(searchParentId)){let addSubtreeIds=function(recurseItem){subtreeIdSet.has(recurseItem.Id)||subtreeIdSet.add(recurseItem.Id),recurseItem.LocalChildren.forEach(function(childItem){addSubtreeIds(childItem)})};var searchParentItem=itemsMap.get(searchParentId);addSubtreeIds(searchParentItem)}let resultItems=items.filter(function(item){return!(item.SyncStatus&&"synced"!==item.SyncStatus||mediaTypes.length&&-1===mediaTypes.indexOf(item.Item.MediaType||"")||seriesId&&item.Item.SeriesId!==seriesId||seasonId&&item.Item.SeasonId!==seasonId||albumIds.length&&-1===albumIds.indexOf(item.Item.AlbumId||"")||item.Item.IsFolder&&-1!==filters.indexOf("IsNotFolder")||!item.Item.IsFolder&&-1!==filters.indexOf("IsFolder")||includeItemTypes.length&&-1===includeItemTypes.indexOf(item.Item.Type||""))&&(!searchParentId||(options.Recursive?subtreeIdSet.has(item.Item.Id):item.Item.ParentId===searchParentId))}).map(function(item2){return item2.Item});searchParentItem=(resultItems=sortItems(resultItems,options)).length;return options.StartIndex&&(resultItems=resultItems.slice(options.StartIndex)),null!=options.Limit&&(resultItems=resultItems.slice(0,options.Limit)),Promise.resolve({Items:resultItems,TotalRecordCount:searchParentItem})})}function sortItems(items,query){if(query.LocalSortBy&&0!==query.LocalSortBy.length&&(query.SortBy=query.LocalSortBy),query.SortBy&&0!==query.SortBy.length){if("Random"===query.SortBy)return shuffle(items);let sortSpec=getSortSpec(query);items.sort(function(a,b){for(let i=0;i<sortSpec.length;i++){var result=compareValues(a,b,sortSpec[i].Field,sortSpec[i].OrderDescending);if(0!==result)return result}return 0})}return items}function compareValues(a,b,field,orderDesc){if(!Object.hasOwn(a,field)||!Object.hasOwn(b,field))return 0;let valA=a[field],valB=b[field],result=0;return"string"==typeof valA||"string"==typeof valB?(valA=valA||"",valB=valB||"",result=valA.toLowerCase().localeCompare(valB.toLowerCase())):valA>valB?result=1:valA<valB&&(result=-1),orderDesc&&(result*=-1),result}function shuffle(array){let currentIndex=array.length,temporaryValue,randomIndex;for(;0!==currentIndex;)randomIndex=Math.floor(Math.random()*currentIndex),temporaryValue=array[--currentIndex],array[currentIndex]=array[randomIndex],array[randomIndex]=temporaryValue;return array}function getSortSpec(query){var sortFields=(query.SortBy||"").split(","),sortOrders=(query.SortOrder||"").split(","),sortSpec=[];for(let i=0;i<sortFields.length;i++){let orderDesc=!1;i<sortOrders.length&&-1!==sortOrders[i].toLowerCase().indexOf("desc")&&(orderDesc=!0),sortSpec.push({Field:sortFields[i],OrderDescending:orderDesc})}return sortSpec}function updateFiltersForTopLevelView(parentId,mediaTypes,includeItemTypes,query){switch(parentId){case"MusicView":case"MusicAlbumsView":return query.Recursive?includeItemTypes.push("Audio"):includeItemTypes.push("MusicAlbum"),!0;case"MusicSongsView":return includeItemTypes.push("Audio"),!0;case"PhotosView":return query.Recursive?includeItemTypes.push("Photo"):includeItemTypes.push("PhotoAlbum"),!0;case"TVView":return query.Recursive?includeItemTypes.push("Episode"):includeItemTypes.push("Series"),!0;case"VideosView":return query.Recursive,includeItemTypes.push("Video"),!0;case"MoviesView":return query.Recursive,includeItemTypes.push("Movie"),!0;case"MusicVideosView":return query.Recursive,includeItemTypes.push("MusicVideo"),!0;case"TrailersView":return query.Recursive,includeItemTypes.push("Trailer"),!0}return!1}function normalizeId(id){return id?(id=stripStart(id,"localview:"),stripStart(id,"local:")):null}function normalizeIdList(val){return val?val.split(",").map(normalizeId):[]}function stripStart(str,find){return startsWith(str,find)?str.substr(find.length):str}function startsWith(str,find){return!!(str&&find&&str.length>find.length&&0===str.indexOf(find))}export default{getLibarytemTypes:getLibrarytemTypes,getLibraryItemsByIds:getLibraryItemsByIds,getLibraryItemPathsByIds:getLibraryItemPathsByIds,getLibraryItemsBySyncStatus:getLibraryItemsBySyncStatus,getLibraryItemsByType:getLibraryItemsByType,getAllLibraryItems:getAllLibraryItems,getLibraryItem:getLibraryItem,getLibraryItems:getLibraryItems,addLibraryItem:addLibraryItem,updateLibraryItem:updateLibraryItem,deleteLibraryItem:deleteLibraryItem,clearLibrary:clearLibrary};