/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_e_lcom.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <libft.h>
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
#include "ft_s_struct.h"

static uint8_t
	ft_get_builtin_id(const char com[],
					t_msh *msh)
{
	uint8_t	i;

	i = 0;
	while (ft_strncmp(com, msh->bu_ref[i], 7) != 0)
	{
		i++;
	}
	return (i);
}

#include <stdio.h>
uint8_t
	ft_e_lcom(t_msh *msh)
{
	/* TODO: norme */
	t_lcom	*ptr;
	int32_t	write_fd;
	int32_t	status;
	uint8_t	bu_id;
	pid_t	pid;

	ptr = msh->curr;
	while (ptr != NULL)
	{
		if ((bu_id = ft_get_builtin_id(ptr->com, msh))
			< FT_BUILTINS_COUNT)
		{
			if ((pid = fork()) == 0)
			{
				if (ptr->redir == 1)
				{
					if ((write_fd = open(ptr->rdrpath, O_CREAT | O_RDWR, 0644)))
					{
						/* TODO: handle err */
					}
					dup2(write_fd, STDOUT_FILENO);
					close(write_fd);
				}
				msh->ret = msh->bu_ptr[bu_id](ptr->args, msh);
				exit(msh->ret);
			}
			else if (pid < 0)
			{
				/* TODO: handle fork failed */
			}
			else
			{
				while (!(wait(&status) == pid))
				{
					/* TODO: fix this syntax */
				}
				msh->ret = status;
			}
		}
		else
		{
			 /* TODO: exec $PATH stuff */
		}
		ptr = ptr->next;
	}
	return (0);
}