#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

//piping entails calling pipe on an array of size two

//second command details - character pointer to place that points at gnetcat

int
main(int ac, char* av[]) {
    char* first_prog = *(av + 1);
    char* second_prog = *(av + 2);

    int first_to_second[2];
    if (pipe(first_to_second) == -1) {
        perror("pipe"), exit(-1);
    }

    int second_to_first[2];
    if (pipe(second_to_first) == -1) {
        perror("pipe"), exit(-1);
    }

    pid_t first_cmd = fork();

    if (first_cmd < 0) {
        //perror here
    }
    if (first_cmd != 0) {
        pid_t second_cmd = fork();
        if (second_cmd < 0) {
            //perror
        }
        if (second_cmd != 0) {
            //this is a parent, we gotta wait here twice
            wait(NULL); //change this to wait4
            wait(NULL);
        } else {
            //this is the 'gnetcat' child
        }
    } else {
        //this is the 'wc' child
        //exec
        write(2, "Starting: %s", first_prog);
        dup2(first_to_second[1], 1);
        //THE REST OF THE WC SECTION
    }



    //first - no args
    //second - many args
    //

    //fork()
    //fork()

    // if (parent) { wait(), wait() }

    //initially double fork

    //check if parent, then double wait
}