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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include <zencore/thread.h>
#include <zenhttp/httpserver.h>
#include <zenhttp/websocket.h>
#include <functional>
#include <memory>
#include <unordered_map>
namespace zen {
class HttpClient;
class HttpProxyHandler
{
public:
using PortValidator = std::function<bool(uint16_t)>;
HttpProxyHandler();
explicit HttpProxyHandler(PortValidator ValidatePort);
~HttpProxyHandler();
void SetPortValidator(PortValidator ValidatePort);
HttpProxyHandler(const HttpProxyHandler&) = delete;
HttpProxyHandler& operator=(const HttpProxyHandler&) = delete;
void HandleProxyRequest(HttpServerRequest& Request, std::string_view PortStr, std::string_view PathTail);
void PrunePort(uint16_t Port);
void Shutdown();
void OnWebSocketOpen(Ref<WebSocketConnection> Connection, std::string_view RelativeUri);
void OnWebSocketMessage(WebSocketConnection& Conn, const WebSocketMessage& Msg);
void OnWebSocketClose(WebSocketConnection& Conn, uint16_t Code, std::string_view Reason);
private:
PortValidator m_ValidatePort;
HttpClient& GetOrCreateProxyClient(uint16_t Port);
RwLock m_ProxyClientsLock;
std::unordered_map<uint16_t, std::unique_ptr<HttpClient>> m_ProxyClients;
struct WsBridge;
RwLock m_WsBridgesLock;
std::unordered_map<WebSocketConnection*, Ref<WsBridge>> m_WsBridges;
};
} // namespace zen
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