#ifndef headerfile_libscorpiohttpserver_src_server_h
#define headerfile_libscorpiohttpserver_src_server_h

#include <list>
#include <sys/select.h>
#include "client.h"
#include "headers_parser.h"



class Server
{
public:


	Server();

	Server(const Server & s) = delete;
	Server & operator=(const Server & s) = delete;

	virtual ~Server();


	void CloseMainSocket();
	void CloseClientSockets();
	void Close();

	void Prepare();
	void Wait();



private:

	// we cannot use vector here because Client has aiocb struct
	// and when adding clients to tab pointers can be invalidated for aio reading
	std::list<Client> client_tab;
	int main_socket;
	fd_set read_set, write_set;
	bool close_server;
	HeadersParser headers_parser;
	char * in_buffer; // rename to a better name
	size_t in_buffer_max_len;
	//size_t how_many_sending_file; // how many sockets currently is used for sending files

	void PrepareSocketsForSelect(int & fd_max, timeval & t, int & how_many_external_resources);
	void AddNewClient();
	void AllocInputBuffer();

	void ReadWriteToClients();
	void ReadInputFromClient(Client & client);
	void WriteOutputToClient(Client & client);
	void ReadExternalResource(int how_many_external_resources);


	void CheckHeaders(Client & client, size_t input_buffer_index);
	void ParseHeaders(Client & client);


	virtual bool SelectMethodName(Client & client, const std::wstring & method_name);

	void ReadExternalResource(Client & client, std::string & output_buffer);
	void WriteOutputToClient(Client & client, std::string & output_buffer, size_t & output_buffer_sent);


	//void RemoveClientSocket(int client_socket);

	virtual void CreateAnswer(Client & client);


	void PrepareMainSocket();
	int FileLen(std::string & file_name, size_t & file_len);


	void CreateOutputHeaders(Client & client);

};







#endif