/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_s_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 <stdlib.h>
#include <stdint.h>
#include "ft_s_struct.h"

static int8_t
	ft_fill_lcom(char *words[],
				t_lcom **lcom)
{
	uint64_t	i;
	uint64_t	j;

	i = 0;
	if (!((*lcom)->com = (char*)malloc((ft_strlen(words[0]) + 1) *
		sizeof(char))))
		return (-1);
	ft_strlcpy((*lcom)->com, words[0], ft_strlen(words[0]) + 1);
	while(words[i + 1])
		i++;
	if (!((*lcom)->args = (char**)malloc((i + 1) * sizeof(char*))))
			return (-1);
	j = 0;
	if (i > 0)
	{
		while (j < i)
		{
			if (!((*lcom)->args[j] =
				(char*)malloc((ft_strlen(words[j + 1]) + 1) * sizeof(char))))
				return (-1);
			ft_strlcpy((*lcom)->args[j], words[j + 1],
				ft_strlen(words[j + 1]) + 1);
			j++;
		}
	}
	(*lcom)->args[j] = 0;
	return (0);
}

t_lcom
	*ft_lcom_last(t_lcom *lcom)
{
	while (lcom->next != NULL)
		lcom = lcom->next;
	return (lcom);
}

void
	ft_lcom_add_back(t_lcom **alcom,
					t_lcom *new)
{
	t_lcom	*tmp;

	if (!*alcom)
		*alcom = new;
	else
	{
		tmp = ft_lcom_last(*alcom);
		tmp->next = new;
	}
}

void
	ft_lcom_clear(t_lcom **lcom)
{
	t_lcom	*tmp;
	t_lcom	*renext;

	if (!lcom)
		return ;
	tmp = *lcom;
	while (tmp)
	{
		renext = tmp->next;
		ft_memdel((void*)&tmp->com);
		if (tmp->args)
			ft_delwords(tmp->args);
		ft_memdel((void*)&tmp);
		tmp = renext;
	}
	*lcom = NULL;
}

t_lcom
	*ft_lcom_new(const char word[])
{
	t_lcom	*link;
	char	**words;

	if (!(link = (t_lcom*)malloc(sizeof(t_lcom))))
		return (NULL);
	if (!(words = ft_split(word, ' ')))
		return (NULL);
	if (ft_fill_lcom(words, &link) < 0)
	{
		ft_delwords(words);
		return (NULL);
	}
	link->next = NULL;
	ft_delwords(words);
	return (link);
}