var TransferJSRevision="$Revision: 58 $".split(' ')[1]

function callServerFunction(sFunctionName, ojData, cbSuccess, cbError) {
    ojData.action=sFunctionName;
	ojData.ShoppingListName=sGShoppingListName;
	ojData.BrowserId=sGBrowserId;
	
	$.ajax
    ({
        type: "POST",
        timeout: 120000,
        url: './shoppinglist.php',
        dataType: 'json',
        async: true,
        //json object to sent to the authentication url
        data: ojData}).done(cbSuccess).fail(cbError);
}


function OnError_callback(response,textstatus)
{
		console.log('[OnError_callback] Error:',  response, textstatus);
}

function transferQDispatcher() {
	updateTransferQCounter();

	db.objectStore("TransferQ").each(function(Qitem){
		if (Qitem.value.type=="SendEntry") {
			var EntryId=Qitem.value.data;
			var TransferQKey=Qitem.key;
			db.objectStore("Entry").get(Number(EntryId)).done(function(result,event){
					if (null != result) {
						var theEntry={"EntryId":EntryId, "TransferQKey":TransferQKey, "Description":result.Description, "shopGlobalId":result.shopGlobalId};
						callServerFunction("ReceiveEntry",theEntry,deleteQitem,OnError_callback)
					} else {
						// this entry no longer exists, maybe the user deleted it before it could be transferred
						deleteQitem({"TransferQKey":TransferQKey, "Result":"True"});
						console.log("[transferQDispatcher] Failed to find Q-record from Data :" , Qitem);
					}
				}
			)
		}

		if (Qitem.value.type=="SendShop") {
			var ShopKey=Qitem.value.data;
			var TransferQKey=Qitem.key;
			db.objectStore("Shop").get(ShopKey).done(function(result,event){
					if (null != result) {
						var theShop={"GlobalId":result.GlobalId, "TransferQKey":TransferQKey, "Description":result.Description};
						callServerFunction("ReceiveShop",theShop,deleteQitem,OnError_callback)
					} else {
						// this entry no longer exists, maybe the user deleted it before it could be transferred
						deleteQitem({"TransferQKey":TransferQKey, "Result":"True"});
						console.log("[transferQDispatcher] Failed to find Q-record from Data :" , Qitem);
					}
				}
			);
		}

		if (Qitem.value.type=="ShopDeletion") {
			var GlobalId=Qitem.value.data;
			var TransferQKey=Qitem.key;

			var oData={"TransferQKey":TransferQKey, "GlobalId":GlobalId};
			callServerFunction("DeleteShop",oData,deleteQitem,OnError_callback)
		}
		
		if (Qitem.value.type=="BrandBrowser") {
			var TransferQKey=Qitem.key;
			var oData={ "ShoppingListName":Qitem.value.data, "TransferQKey":TransferQKey };
			callServerFunction("BrandBrowser",oData,deleteQitem,OnError_callback)
		}
		
		if (Qitem.value.type=="DeleteEntry") {
			var TransferQKey=Qitem.key;
			var oData={"TransferQKey":TransferQKey, "Description":Qitem.value.data.Description, "shopGlobalId":Qitem.value.data.shopGlobalId};
			callServerFunction("DeleteEntry",oData,deleteQitem,OnError_callback)
		}
	})
}


function deleteQitem(response){
	if (response.Result == "True") {
		db.objectStore("TransferQ").delete(Number(response.TransferQKey)).done(function(){
			updateTransferQCounter();
			console.log("[deleteQitem] Done SendEntry (" + response.TransferQKey + "): ", response)
		}).fail(function(result,event){
			console.log("[deleteQitem] failed deleteQitem (" , response , "): ", response,event)
		});
	} else {
		console.log("[deleteQitem] Failed SendEntry (" + response.TransferQKey + "): " , response);
	}
}

function addToQ(type,data,unique) {
	var isUnique=false || unique;
	var theItem = new Object();
	theItem.type=type;
	theItem.data=data;
	
	if (isUnique) {
		db.objectStore("TransferQ").index("type").get("GetServerEntries").done(function(result){ 
			if (result==null) {
				db.objectStore("TransferQ").add(theItem).done(function (result){ transferQDispatcher(); });
				console.log("[addToQ] uniqueAdd added: " , theItem );
			} else {
				console.log("[addToQ] uniqueAdd item not added because such typed item already exists: " , theItem);
			}
		})
	} else {
		db.objectStore("TransferQ").add(theItem).done(function (result){ transferQDispatcher(); });
		console.log("[addToQ] non-unique Add added: " , theItem);
	}
}