/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   minishell.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/02/06 13:44:06 by kcolin            #+#    #+#             */
/*   Updated: 2025/03/19 16:38:42 by khais            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "buffer/buffer.h"
#include "get_command.h"
#include "parser/cmdgroup/cmdgroup.h"
#include "parser/wordlist/wordlist.h"
#include "parser/wordsplit/wordsplit.h"
#include "postprocess/redirections/redirection_parsing.h"
#include <stdlib.h>

/*
** Parse shell commands from line.
**
** Frees line before exiting
*/
static t_cmdgroup	*parse_command(char *line)
{
	t_wordlist	*words;
	t_cmdgroup	*cmd;

	words = minishell_wordsplit(line);
	free(line);
	cmd = cmdgroup_from_wordlist(words);
	wordlist_destroy(words);
	return (cmd);
}

/*
** debug-print a cmdgroup
*/
static void	debug_command(t_cmdgroup *cmd)
{
	t_buffer	*indent;

	indent = ft_buffer_new();
	cmdgroup_debug(cmd, indent, true);
	ft_buffer_free(indent);
	cmdgroup_destroy(cmd);
}

/*
** Do all the post-processing steps relating to a command.
**
** Currently, this is the following:
** 1. redirection parsing
*/
static t_cmdgroup	*post_process_command(t_cmdgroup *cmd)
{
	if (cmdgroup_parse_redirections(cmd) == NULL)
		return (cmdgroup_destroy(cmd), NULL);
	return (cmd);
}

int	main(int argc, char *argv[], char **envp)
{
	char		*line;
	t_cmdgroup	*cmd;

	(void)argc;
	(void)argv;
	(void)envp;
	line = get_command();
	while (line != NULL)
	{
		cmd = parse_command(line);
		cmd = post_process_command(cmd);
		debug_command(cmd);
		line = get_command();
	}
	return (0);
}