/*
Libft Copyright (C) 2026 yctct

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

#include "libft.h"

static int	ft_countword(char const *s, char c)
{
	int	i;
	int	wordcounter;

	i = 0;
	wordcounter = 0;
	while (s[i])
	{
		if (s[i] == c)
			i++;
		else
		{
			wordcounter++;
			while (s[i] != c && s[i])
				i++;
		}
	}
	return (wordcounter);
}

static char	**ft_addwords(char **a, char const *s, char c, int wordcounter)
{
	int	i;
	int	start;
	int	word;

	i = 0;
	word = 0;
	while (wordcounter--)
	{
		while (s[i] == c)
			i++;
		start = i;
		while (s[i] != c && s[i] != 0)
			i++;
		a[word] = ft_substr(s, start, i - start);
		if (!a[word])
		{
			while (word-- >= 0)
				free(a[word]);
			return (free(a), NULL);
		}
		word++;
		i++;
	}
	return (a[word] = 0, a);
}

char	**ft_split(char const *s, char c)
{
	char	**a;
	int		wordcounter;

	wordcounter = ft_countword(s, c);
	a = malloc(sizeof(a) * (wordcounter + 1));
	if (!a)
		return (NULL);
	a = ft_addwords(a, s, c, wordcounter);
	return (a);
}

/*
#include <stdio.h>

int	main(void)
{
	char	**b;
	int		i;
	char	*s2;

	// char	*s= "xxxhelloxxallxxofxyoux";
	s2 = "  code  42  ";
	// char	**a;
	// a = ft_split(s, 'x');
	b = ft_split(s2, ' ');
	i = 0;
	while (b[i])
	{
		printf("b[%i]: %s\n", i, b[i]);
		free(b[i]);
		i++;
	}
	free(b);
}
*/