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

void bet(int credit){
    int fd[2],fd2[2],fd3[2];
    pid_t p;
    int i,betNumber;
    int random=0;
    int creditoAtual;

    if(pipe(fd)== -1){
        perror("Pipe fail\n");
        exit(1);
    }
    if(pipe(fd2)==-1){
        perror("Pipe fail\n");
        exit(1);
    }
    if(pipe(fd3)==-3){
        perror("Pipe fail\n");
        exit(1);
    }

    if(credit>0){

        p = fork();
        if(p==0){
            close(fd[1]);
            read(fd[0],&i,sizeof(int));
            if(i==1){
                srand(3);
                betNumber = rand() %5;
                close(fd3[0]);
                write(fd3[1],&betNumber,sizeof(int));
                close(fd3[1]);
            }
            close(fd2[1]);
            read(fd2[0],&creditoAtual,sizeof(int));
            close(fd[0]);
            printf("Credito atual: %d\n",creditoAtual);
            exit(1);

        }else{
            random = rand() % 5;
            close(fd[0]);

            if(credit>0){
                i=1;
            }else{
                i=0;
            }

            write(fd[1],&i,sizeof(int));
            close(fd[1]);
            sleep(1);

            close(fd3[1]);
            read(fd3[0],&betNumber,sizeof(int));
            close(fd3[0]);
            if(betNumber==random){
                printf("Acertou!\n");
                creditoAtual = credit +10;

            }else{
                printf("Nao acertou :s !\n");
                creditoAtual = credit -5;
            }
            close(fd2[0]);
            write(fd2[1],&creditoAtual,sizeof(int));
            close(fd2[1]);
            wait(NULL);
        bet(creditoAtual);
        }
    }
}


int main(void){
    bet(20);
    printf("TERMINOU\n");
    return 1;
}