// Copyright 2017 David Romanski(Socke). All Rights Reserved.

#include "UAsyncNodeHttpRequest.h"

UAsyncNodeHttpRequest* UAsyncNodeHttpRequest::AsyncExecuteHTTP_GET_REQUEST(FString url, TMap<FString, FString> header, FString optionalRequestID, bool bindServerSendEvent){

	//The node is only visible in Blueprints if the function is declared in a UBlueprintAsyncActionBase class. 
	//Therefore an instance of itself is created here.
	UAsyncNodeHttpRequest* instance = NewObject<UAsyncNodeHttpRequest>();
	instance->AddToRoot();
	if (optionalRequestID.IsEmpty()) {
		instance->requestID = FGuid::NewGuid().ToString();
	}
	else {
		instance->requestID = optionalRequestID;
	}
	//save it in the main class to use it everywhere
	UWebCommunicationBPLibrary::getWebCommunicationTarget()->registerUAsyncNodeHttpRequest(instance->requestID, instance);
	int32 result = UWebCommunicationBPLibrary::getWebCommunicationTarget()->CreateHttpRequestGET(TArray<struct FhttpRequest>(), url, header, instance->requestID, bindServerSendEvent, instance->httpRequests, instance->requestID);
	if (result == 400) {
		instance->httpRequestComplete("", TArray<FString>(), TArray<FString>(), 400, TArray<uint8>(), instance->requestID);
	}
	return instance;
}

UAsyncNodeHttpRequest* UAsyncNodeHttpRequest::AsyncExecuteHTTP_GoogleDrive_REQUEST(FString downloadID, FString optionalRequestID, int64 optionalFileSizeInByte) {

	UAsyncNodeHttpRequest* instance = NewObject<UAsyncNodeHttpRequest>();
	instance->AddToRoot();
	if (optionalRequestID.IsEmpty()) {
		instance->requestID = FGuid::NewGuid().ToString();
	}
	else {
		instance->requestID = optionalRequestID;
	}
	UWebCommunicationBPLibrary::getWebCommunicationTarget()->registerUAsyncNodeHttpRequest(instance->requestID, instance);
	int32 result = UWebCommunicationBPLibrary::getWebCommunicationTarget()->CreateHttpRequestGoogleDrive(TArray<struct FhttpRequest>(), downloadID, instance->requestID, optionalFileSizeInByte, instance->httpRequests, instance->requestID);
	if (result == 400) {
		instance->httpRequestComplete("", TArray<FString>(), TArray<FString>(), 400, TArray<uint8>(), instance->requestID);
	}
	return instance;
}

UAsyncNodeHttpRequest* UAsyncNodeHttpRequest::AsyncExecuteHTTP_POST_REQUEST(FString url, TMap<FString, FString> header, TMap<FString, FString> POSTData, FString optionalRequestID, bool bindServerSendEvent) {

	UAsyncNodeHttpRequest* instance = NewObject<UAsyncNodeHttpRequest>();
	instance->AddToRoot();
	if (optionalRequestID.IsEmpty()) {
		instance->requestID = FGuid::NewGuid().ToString();
	}
	else {
		instance->requestID = optionalRequestID;
	}
	UWebCommunicationBPLibrary::getWebCommunicationTarget()->registerUAsyncNodeHttpRequest(instance->requestID, instance);
	int32 result = UWebCommunicationBPLibrary::getWebCommunicationTarget()->CreateHttpRequestPOST(TArray<struct FhttpRequest>(), url, header, POSTData, instance->requestID, bindServerSendEvent, instance->httpRequests, instance->requestID);
	if (result == 400) {
		instance->httpRequestComplete("", TArray<FString>(), TArray<FString>(), 400, TArray<uint8>(), instance->requestID);
	}
	return instance;
}

UAsyncNodeHttpRequest* UAsyncNodeHttpRequest::AsyncExecuteHTTP_Individual_REQUEST(FString url, TMap<FString, FString> header, FString verb,
	EHTTPWebComIndividualType contentType, FString content,TArray<uint8> binaryContent, FString optionalRequestID, bool addContentLengthHeader) {

	UAsyncNodeHttpRequest* instance = NewObject<UAsyncNodeHttpRequest>();
	instance->AddToRoot();
	if (optionalRequestID.IsEmpty()) {
		instance->requestID = FGuid::NewGuid().ToString();
	}
	else {
		instance->requestID = optionalRequestID;
	}
	UWebCommunicationBPLibrary::getWebCommunicationTarget()->registerUAsyncNodeHttpRequest(instance->requestID, instance);
	UWebCommunicationBPLibrary::getWebCommunicationTarget()->CreateHttpRequestIndividual(TArray<struct FhttpRequest>(), url, header, verb, contentType,content,binaryContent, instance->requestID, instance->httpRequests, instance->requestID, addContentLengthHeader);
	return instance;
}

void UAsyncNodeHttpRequest::Activate(){
	UWebCommunicationBPLibrary::webcom->startRequests(httpRequests);
}

void UAsyncNodeHttpRequest::BeginDestroy(){
	//UE_LOG(LogTemp, Error, TEXT("UAsyncNodeHttpRequest::BeginDestroy() %s"),*requestID);
	UWebCommunicationBPLibrary::getWebCommunicationTarget()->unregisterUAsyncNodeHttpRequest(requestID);
	RemoveFromRoot();
	Super::BeginDestroy();
}

void UAsyncNodeHttpRequest::httpRequestComplete(const FString dataString, const TArray<FString>& data, const TArray<FString>& headerP, const int32 statusCode, const TArray<uint8>& byteData, const FString requestIDP){
	
	if (statusCode >= 400 || statusCode == 0) {
		OnFail.Broadcast(dataString, data, headerP, statusCode, byteData, requestIDP);
	}
	else {
		OnSuccess.Broadcast(dataString, data, headerP, statusCode, byteData, requestIDP);
	}
	ConditionalBeginDestroy();
}