#include <stdlib.h>
#include <stdio.h>
#include <err.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/wait.h>
#include <string.h>

int main(int argc,char * argv[])
{
    if(argc!=3)
    {
        errx(1,"Invalid number of arguments");
    }

    int pimp1[2];
    int pimp2[2];
    if(pipe(pimp1)==-1)
    {
        errx(100,"Couldnt make a pipe");
    }

    if(pipe(pimp2)==-1)
    {
        errx(100,"Couldnt make the pipe");
    }

    int fd1=fork();
    if(fd1==-1)
    {
        errx(2,"Ops something bad happened");
    }
    else if(fd1==0)
    {
       close(pimp1[1]);
       close(0);
       dup(pimp1[0]);
       //char buff[10];
       //ssize_t readsize=read(0,&buff,sizeof(buff));
       //write(1,&buff,readsize);
       execlp("wc","wc","-c",(char*)NULL);
       exit(99);
       //exit(0);
    }

    int fd2=fork();
    if(fd2==-1)
    {
      errx(3,"Ops something bad happened");
    }
    else if(fd2==0)
    {
        close(pimp2[1]);
        close(0);
        dup(pimp2[0]);
        //char buff[10];
        //ssize_t readsize=read(0,&buff,sizeof(buff));
        //write(1,&buff,readsize);
        execlp("wc","wc","-c",(char*)NULL);
        exit(99);
       // exit(0);
    }

    close(pimp1[0]);
    close(pimp2[0]);

    int counter=1;
    ssize_t readsize=0;
    while((readsize=read(0,&buff,sizeof(buff)))>0)
    {
        if(buff[readsize-1]=='\n')
        {
           readsize--;

        }


        if(counter%2==0)
        {
            if(write(pimp2[1],&buff,6)!=6)
            {
                close(pimp2[1]);
                close(pimp1[1]);
                errx(10,"Error while writing");
            }
            close(pimp2[1]);
        }
        else
        {
            if(write(pimp1[1],&buff,6)!=6)
            {
                close(pimp2[1]);
                close(pimp1[1]);
                errx(10,"Error while writing");
            }
            close(pimp1[1]);
        }
        counter++;
    }


    if(readsize==-1)
    {
        errx(23,"Relax, u piece of shit, u fucking garbage");
    }

  ("Sup\n");
    int status1=0;
    int status2=0;
    wait(&status1);
    wait(&status2);


    if(!WIFEXITED(status1)||WEXITSTATUS(status1)!=0)
    {
        errx(20,"Error with the first command");
    }
    else if(!WIFEXITED(status2)||WEXITSTATUS(status2)!=0)
    {
       errx(20,"Error with the second command");
    }
    exit(0);
}