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#include "TcpClient.h"
#include <winsock2.h>
#include <windows.h>
#include <ws2tcpip.h>

	WSADATA wsaData;
    SOCKET SendingSocket = INVALID_SOCKET;
    struct addrinfo *result = NULL,
                    *ptr = NULL,
                    hints;
    char recvbuf[512];
    int iResult;
    int iResultt;
    int recvbuflen = 512;
    
	long RequestHandle = 0x80000000;

TcpClient::TcpClient()
{

     // Server/receiver address

     
}

void TcpClient::Close()
{
    closesocket(SendingSocket);

          // Do the clean up

    WSACleanup();
}

bool TcpClient::Connect(std::string address, int port)
{
	// Initialize Winsock
    iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
    if (iResult != 0) {
        printf("WSAStartup failed with error: %d\n", iResult);
        return 1;
    }

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

    // Resolve the server address and port
    iResult = getaddrinfo("localhost", "5002", &hints, &result);
    if ( iResult != 0 ) {
        printf("getaddrinfo failed with error: %d\n", iResult);
        WSACleanup();
        return 1;
    }

    // Attempt to connect to an address until one succeeds
    for(ptr=result; ptr != NULL ;ptr=ptr->ai_next) {

        // Create a SOCKET for connecting to server
        SendingSocket = socket(ptr->ai_family, ptr->ai_socktype, 
            ptr->ai_protocol);
        if (SendingSocket == INVALID_SOCKET) {
            printf("socket failed with error: %ld\n", WSAGetLastError());
            WSACleanup();
            return 1;
        }

        // Connect to server.
        iResult = connect(SendingSocket, ptr->ai_addr, (int)ptr->ai_addrlen);
        if (iResult == SOCKET_ERROR) {
            closesocket(SendingSocket);
            SendingSocket = INVALID_SOCKET;
            continue;
        }
        break;
    }

    freeaddrinfo(result);

    if (SendingSocket == INVALID_SOCKET) {
        printf("Unable to connect to server!\n");
        WSACleanup();
        return 1;
    }
}

bool TcpClient::Send(std::string data)
{
	//const char* messageData = data.c_str();
	//authenticate with dedicated server
	const char* messageData = "<?xml version=\"1.0\" encoding=\"utf-8\"?><methodCall><methodName><![CDATA[Authenticate]]></methodName><params><param><value><string><![CDATA[SuperAdmin]]></string></value></param><param><value><string><![CDATA[password]]></string></value></param></params></methodCall>";
    //unsigned long dataLength = (strlen(messageData));
    //unsigned long messageLength = (dataLength + 8);
    //char message[messageLength];
    //memcpy(&message[0], &dataLength, 4);
    //memcpy(&message[4], &RequestHandle, 4);
    //memcpy(&message[8], messageData, dataLength);
    std::cout << messageData;
    //for(;;)
    // Send an initial buffer
    iResult = send(SendingSocket, messageData, (int)strlen(messageData), 0 );
    std::cout << strlen(messageData);
    if (iResult == SOCKET_ERROR) {
        printf("send failed with error: %d\n", WSAGetLastError());
        closesocket(SendingSocket);
        WSACleanup();
        return false;
    }

    printf("Bytes Sent: %ld\n", iResult);
    
    // shutdown the connection since no more data will be sent
    /*iResult = shutdown(SendingSocket, SD_SEND);
    if (iResult == SOCKET_ERROR) {
        printf("shutdown failed with error: %d\n", WSAGetLastError());
        closesocket(SendingSocket);
        WSACleanup();
        return false;
    }*/
    
    /*getsockname(SendingSocket, (SOCKADDR *)&ServerAddr, (int *)sizeof(ServerAddr));
    printf("Client: Receiver IP(s) used: %s\n", inet_ntoa(ServerAddr.sin_addr));

    printf("Client: Receiver port used: %d\n", htons(ServerAddr.sin_port));
    while(bytes_to_write > 0)
    {
		int send_return = send(SendingSocket, message, bytes_to_write, 0);
		if(send_return == SOCKET_ERROR)
        {
            perror("Send failed : ");
            return false;
        }
        std::cout << bytes_to_write << std::endl << send_return;
		
        bytes_to_write -= send_return;
        if(bytes_to_write == 0)
            break;

        memcpy(message, (message + send_return), bytes_to_write);
	}*/
    //message[7] = 0x80;

    return true;
}

std::string TcpClient::Receive(int size = 512)
{
	if(SendingSocket == -1)
        return NULL;
    std::string received;
    received.resize(size);
    int bytes_received = 0;

    while(bytes_received < size)
	{
        iResultt = recv(SendingSocket, &received[bytes_received], (size - bytes_received),0);
        if ( iResultt > 0 )
            printf("Bytes received: %d\n", iResultt);
        else if ( iResultt == 0 )
            printf("Connection closed\n");
        else
        {
            printf("recv failed with error: %d\n", WSAGetLastError());
            break;
        }
		bytes_received += iResultt;
		std::cout << received;
    }
    
    received[bytes_received] = 0;
    return received;
    
}

bool TcpClient::SearchForCallBacks(int timeout)
{
    fd_set readfds;
    struct timeval tv;

    FD_ZERO(&readfds);
    FD_SET(sock, &readfds);

    tv.tv_sec = 0;
    tv.tv_usec = 2;
    int selectResult = select((sock + 1), &readfds, NULL, NULL, &tv);

    if(selectResult > 0)
    {
        return true;
    }

    return false;
}