//File: player.c
//Robert Entenmann
//CSCI311
//Project 6

#include "player.h"

//initializing flag
int flag = 1;

//usr1handler
void usr1Handler (int sig)
{
    printf("received show command.\n");
}

//usr2handler
void usr2Handler (int sig)
{
    printf ("receieved done command.\n");
    flag = 0;
}

int main(int argc, char **argv)
{
    srand(time(NULL));

    //variable declarations
    int pick, pid, err;
    int OUT = atoi(argv[1]), ppid = atoi(argv[2]);
    char outBuff[100];

    //creating sigaction USR1
    struct sigaction usr1_act;
    /* Set signal handler. */
    usr1_act.sa_handler = (void(*)(int))usr1Handler;
    sigemptyset(&usr1_act.sa_mask);
    usr1_act.sa_flags = 0;
    err = sigaction (SIGUSR1, &usr1_act, NULL);

    //error on sigaction
    if (err == -1)
    {
        printf ("CSIG1: Received error %d on sigaction.\n", errno);
        exit(4);
    }

    //creating sigaction USR2
    struct sigaction usr2_act;
    /* Set signal handler. */
    usr2_act.sa_handler = (void(*)(int))usr2Handler;
    sigemptyset(&usr2_act.sa_mask);
    usr2_act.sa_flags = 0;
    err = sigaction (SIGUSR2, &usr2_act, NULL);

    //error on sigaction
    if (err == -1)
    {
        printf ("CSIG2: Received error %d on sigaction.\n", errno);
        exit(4);
    }

    //getting player process id
    pid = getpid();

    //send ready signal
    printf("Player (%d): sending ready command\n", pid);
    err = kill(ppid, SIGUSR1);

    //error on kill
    if (err == -1)
    {
        printf ("PSIG1: Kill error: %d\n", errno);
        exit (4);
    }

    //flag for game to be played based on # of games
    //player picks pick and is sent through pipe
    //repeats until # of games have been reached
    while(flag)
    {
        pick = rand()%3;
        sprintf(outBuff, "%d", pick);
        write(OUT, outBuff, strlen(outBuff) + 1);
        printf("Player (%d): ", pid);
        pause();
    }

    //player tells controller its terminating
    sleep(1);
    printf("Player (%d): terminating.\n", pid);

    return 0;
}