/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/09/19 17:08:46 by tmaze             #+#    #+#             */
/*   Updated: 2019/10/31 14:36:15 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

t_env	*env2lst(char **env)
{
	t_env	*ret;
	t_env	*new;
	int		i;

	i = 0;
	ret = NULL;
	while (env[i])
	{
		if ((new = lstnew(env[i])) != NULL)
			lstaddend(&ret, new);
		else
		{
			lstdelelem(&new);
			lstdel(&ret);
			return (NULL);
		}
		i++;
	}
	return (ret);
}

int		main(void)
{
	extern char			**environ;
	static t_builtin	built[S_BIN] = {{"env", &cmd_env}, {"cd", &cmd_cd}
								, {"setenv", &cmd_setenv}, {"echo", &cmd_echo}
								, {"unsetenv", &cmd_unsetenv}};
	char				**argv;
	t_env				*env;
	char				*cmd;
	int					i;

	env = NULL;
	if ((env = env2lst(environ)) == NULL)
		return (2);
	while (1)
	{
		cmd = NULL;
		ft_printf("%s$>%s ", FT_COLOR_GREEN, FT_RESET);
		if (ft_getline(&cmd) >= 0 && cmd != NULL
			&& (argv = ft_strsplit(cmd, ' ')) != NULL)
		{
			ft_strdel(&cmd);
			i = 0;
			ft_printf("before:\n");
			while (argv[i])
			{
				ft_printf("%s\n", argv[i++]);
			}
			if ((res_ext(argv, env)) != NULL)
			{
				i = 0;
				ft_printf("after:\n");
				while (argv[i])
				{
					ft_printf("%s\n", argv[i++]);
				}
				if (ft_strequ(argv[0], "exit"))
				{
					ft_del_words_tables(&argv);
					lstdel(&env);
					return (0);
				}
				i = 0;
				while (i < S_BIN)
				{
					if (ft_strequ(argv[0], built[i].cmd))
					{
						built[i].f(argv, &env);
						break ;
					}
					i++;
				}
				if (i == S_BIN)
				{
					exec_cmd(argv, &env);
				}
			}
		}
		ft_strdel(&cmd);
		ft_del_words_tables(&argv);
	}
	ft_del_words_tables(&argv);
	ft_strdel(&cmd);
	lstdel(&env);
	return (0);
}