/* 1. Initialize Winsock.
   2. Create a socket.
   3. Connect to the server.
   4. Send and receive data.
   5. Disconnect.
*/

#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN

#define C_USER "USER %srn"
#define C_PASS "PASS %srn"
#define C_STAT "STATrn"
#endif

#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <stdio.h>
#include <iostream>
#include <stdlib.h>
#include <conio.h>
#include <errno.h>

#pragma comment(lib, "Ws2_32.lib")

using namespace std;


int main() {
    //instalacja winsocka
    WSADATA wsaData;

int iResult;

// Initialize Winsock
iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
if (iResult != 0) {
    printf("dupa1 %d\n", iResult);
    return 1;
}

struct addrinfo *result = NULL,
                *ptr = NULL,
                hints;

ZeroMemory( &hints, sizeof(hints) );
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;

#define DEFAULT_PORT "110"

iResult = getaddrinfo("poczta.wp.pl",DEFAULT_PORT,&hints,&result);
if (iResult != 0) {
    printf("dupa socket nie polaczyl sie z wesola poczta %d\n", iResult); // co robi 3 argument funkcji getaddrinfo??
    WSACleanup();
    return 1;
}

//tworzymy socketa odbierajacego i wysylajacego dane
SOCKET ConnectSocket = INVALID_SOCKET;
ptr=result;
ConnectSocket = socket(ptr->ai_family, ptr->ai_socktype,
    ptr->ai_protocol);
if (ConnectSocket == INVALID_SOCKET) {
    printf("dupa3 socket odbierajacy cos z poczty nie dziala: %ld\n", WSAGetLastError());
    freeaddrinfo(result);
    WSACleanup();
    return 1;
}

//laczenie sie z serwerem
iResult = connect( ConnectSocket, ptr->ai_addr, (int)ptr->ai_addrlen);
if (iResult == SOCKET_ERROR) {
    closesocket(ConnectSocket);
    ConnectSocket = INVALID_SOCKET;
}

freeaddrinfo(result);
//spr czy sie polaczyl
if (ConnectSocket == INVALID_SOCKET) {
    printf(" dupa Unable to connect to server!\n");
    WSACleanup();
    return 1;
}

// wyslanie loginu

char sendbuf[0x64]  = {0};
char recvbuf[0x64]={0};
                sprintf(sendbuf, C_USER, "poczta_sieci@o2.pl");
                iResult = send(ConnectSocket, sendbuf, strlen(sendbuf), 0);
                iResult = recv(ConnectSocket, recvbuf,512, 0);

                printf("%s",recvbuf);

system("pause");

}