#include <iostream>
#include "afxsock.h"
#include "math.h"
#include<string>

#ifdef _DEBUG
#define new DEBUG_NEW
#endif
#define Saddress "127.0.0.1"
#define port 8080 //Same port as server
CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	int nRetCode = 0;

	//initialize MFC and print and error on failure
	if (!AfxWinInit(::GetModuleHandle(NULL), NULL, GetCommandLine(), 0))
	{
		//TODO: change error code to suit your needs
		_tprintf(_T("Fatal error: MFC initialization failed\n"));
		nRetCode = 1;
	}
	else {
		//TODO: code your application's behaviour here
		CSocket client;
		AfxSocketInit(NULL);

		//1.Create Socket
		client.Create();

		if (client.Connect(CA2W(Saddress), port))
		{
			cout << "Client have connected to Server!" << endl;

			//Receiving from server the position number
			int id;
			client.Receive((char*)&id, sizeof(id), 0);
			cout << "\n\nThis is client number " << id + 1 << endl << endl;




			char  r_str[1000], s_str[1000];
			//Receiving returning results from server
			client.Receive(r_str, 10, 0);
			int len = atoi(r_str);
			client.Receive(r_str, len, 0);
			r_str[len] = 0;

			cout << "\nServer: " << r_str << endl;
			
			gets_s(s_str);
			// goi chieu dai chuoi
			char buff[10];
			_itoa_s(strlen(s_str), buff, 10);
			client.Send(buff, 10, 0);
			//gui chuoi
			client.Send(s_str, strlen(s_str), 0);



			//username
			client.Receive(r_str, 10, 0);
			len = atoi(r_str);
			client.Receive(r_str, len, 0);
			r_str[len] = 0;

			cout << r_str;

			char username[1000];
			gets_s(username);
			// goi chieu dai chuoi

			_itoa_s(strlen(username), buff, 10);
			client.Send(buff, 10, 0);
			//gui chuoi
			client.Send(username, strlen(username), 0);

			//password
			client.Receive(r_str, 10, 0);
			len = atoi(r_str);
			client.Receive(r_str, len, 0);
			r_str[len] = 0;

			cout << r_str;

			char password[1000];
			gets_s(password);
			// goi chieu dai chuoi

			_itoa_s(strlen(password), buff, 10);
			client.Send(buff, 10, 0);
			//gui chuoi
			client.Send(password, strlen(password), 0);

			//nhan ket qua
			client.Receive(r_str, 10, 0);
			len = atoi(r_str);
			client.Receive(r_str, len, 0);
			r_str[len] = 0;
			cout << r_str;

			client.Close();
		}
		else {
			printf("Can not connect to server!");
		}
		getchar();
		client.Close();
	}
	getchar();
	return nRetCode;
}