/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_putnbr_base.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: whaffman <whaffman@student.codam.nl>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/06/11 17:49:33 by whaffman          #+#    #+#             */
/*   Updated: 2024/06/12 18:50:38 by whaffman         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <unistd.h>

int	ft_strlen(char *str)
{
	int	n;

	n = 0;
	while (str[n])
		n++;
	return (n);
}

int	ft_isrepeating(char *str)
{
	int	i;

	while (*str)
	{
		i = 1;
		while (str[i])
		{
			if (str[0] == str[i])
				return (1);
			i++;
		}
		str++;
	}
	return (0);
}

int	ft_contains_illegal_char(char *str)
{
	while (*str)
	{
		if (*str == '-' || *str == '+')
			return (1);
		str++;
	}
	return (0);
}

void	ft_putnbr_base(int nbr, char *base)
{
	int	b;

	b = ft_strlen(base);
	if (ft_isrepeating(base) || b < 2 || ft_contains_illegal_char(base))
		return ;
	if (nbr >= 0 && nbr < b)
	{
		write(1, &base[nbr], 1);
	}
	else if (nbr < 0)
	{
		write(1, "-", 1);
		if (nbr > -b)
			ft_putnbr_base(-nbr, base);
		else
		{
			ft_putnbr_base(nbr / (-b), base);
			ft_putnbr_base(-(nbr % b), base);
		}
	}
	else if (nbr >= b)
	{
		ft_putnbr_base(nbr / b, base);
		ft_putnbr_base(nbr % b, base);
	}
}

#ifdef DEBUG

int	main(void)
{
	ft_putnbr_base(123, "012345678");
}

#endif