/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/04/29 13:35:21 by dkaiser           #+#    #+#             */
/*   Updated: 2024/05/07 16:36:39 by dkaiser          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "pipex.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/_types/_pid_t.h>
#include <unistd.h>

int	pipex(t_pxdata *data, char *envp[])
{
	int		p[2];
	pid_t	pid;
	char	**cmd;
	int		status;

	pipe(p);
	pid = fork();
	if (pid < 0)
		return (EXIT_FAILURE);
	if (pid == 0)
	{
		close(p[0]);
		dup2(data->in_fd, 0);
		dup2(p[1], 1);
		if (!data->cmds[0])
			exit(127);
		cmd = ft_split(data->cmds[0], ' '); // TODO: Free on fail
		status = execve(cmd[0], cmd, envp);
		free(cmd);
		exit(status);
	}
	else
	{
		close(p[1]);
		dup2(p[0], 0);
		dup2(data->out_fd, 1);
		if (!data->cmds[1])
			return (EXIT_FAILURE);
		cmd = ft_split(data->cmds[1], ' '); // TODO: Free on fail
		if (execve(cmd[0], cmd, envp))
			return (EXIT_FAILURE);
		free(cmd);
	}
	close(data->in_fd);
	close(data->out_fd);
	return (EXIT_SUCCESS);
}

int	main(int argc, char *argv[], char *envp[])
{
	t_pxdata	*data;

	if (argc != 5)
		return (1);
	data = get_pxdata(argc, argv, envp);
	/* if (data->in_fd < 0 || data->out_fd < 0) */
	/* 	return (1); */
	/* ft_printf("IN: %d\nOUT: %d\n", data->in_fd, data->out_fd); */
	/* int i = 0; */
	/* while (data->cmds[i]) */
	/* { */
	/* 	ft_printf("CMD [%d]: %s\n", i, data->cmds[i]); */
	/* 	i++; */
	/* } */
	return (pipex(data, envp));
}