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#include <arpa/inet.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <iostream>
#include <sys/wait.h>
#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <pthread.h>
#include <cerrno>
#include <unistd.h>
#include <termios.h>
#include <vector>
#include <sys/stat.h>
#include <iostream>
#include <fstream>
#include <fcntl.h>
#include <dirent.h>
#include <linux/input.h>
#include <sys/select.h>
#include <sys/time.h>

#include <signal.h>


using namespace std;

char c;
int my_socket;
struct sockaddr_in local, remote;
socklen_t addrlen = sizeof(remote);

struct input_event ev[64];
int fd, rd, value, size = sizeof (struct input_event);
char name[256] = "Unknown";
char *device = NULL;

pthread_t thread1;

int start (string ip, uint16_t port)
{
    my_socket = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
    memset((char*)&local, 0, sizeof(local));
    local.sin_family = AF_INET;
    local.sin_addr.s_addr = htonl(INADDR_ANY);
    local.sin_port = htons (port);
    bind (my_socket, (sockaddr*)&local, sizeof(local));


return 0;

}

int send (string ip, uint16_t port, char msg)
{
    memset((char*)&remote, 0, sizeof(remote));
    remote.sin_family = AF_INET; //POTRZEBNE?
    remote.sin_addr.s_addr = (inet_addr(ip.c_str()));
    remote.sin_port = htons (port);
    sendto(my_socket, &msg, 1,0,(sockaddr*)&remote,sizeof(remote));
    return 1;
}

void* receive (void* useless)
{
    char c;
    while(1){
cout << remote.sin_port << remote.sin_addr.s_addr << endl;
        while(recvfrom(my_socket, &c,1,0,(sockaddr*)&remote,&addrlen) > 0){
            fflush(stdout);
            //putchar(c);
            printf("kod: %d\n", c);
            //fflush(stdout);

        }
    }

}



int main(int argc, char * argv[])
{
    char d;
    //opening EVENT file
    device = argv[4];

    if ((fd = open (device, O_RDONLY)) == -1)
        printf ("%s is not a vaild device.n", device);




    start("127.0.0.1", atoi(argv[3]));
    pthread_create( &thread1, NULL, &receive, NULL);

    while(1) {
        rd = read (fd, ev, size * 64);
        value = ev[0].value;
        if ( ev[1].value == 1 && ev[1].type == 1){ // Only read the key press event
            d = ev[1].code;
            send(argv[1], atoi(argv[2]), d);
          }
        //fflush(stdout);


    }


return 0;
}