/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_convert_base2.c                                 :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: whaffman <whaffman@student.codam.nl>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/06/17 17:26:04 by whaffman          #+#    #+#             */
/*   Updated: 2024/06/19 18:51:15 by whaffman         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

int	ft_isbase(char *str)
{
	int	i;
	int	n;

	n = 0;
	while (str[n])
	{
		i = 1;
		if (str[n] == '-' || str[n] == '+')
			return (0);
		while (str[n + i])
		{
			if (str[n] == str[n + i])
				return (0);
			i++;
		}
		n++;
	}
	return (n);
}

int	ft_indexof(char c, char *str)
{
	int	result;

	result = 0;
	while (str[result])
	{
		if (str[result] == c)
			return (result);
		result++;
	}
	return (-1);
}

int	ft_atoi_base(char *str, char *base)
{
	int	sign;
	int	res;
	int	b;

	b = ft_isbase(base);
	while (ft_indexof(*str, " \f\n\r\t\v") >= 0)
		str++;
	res = 0;
	sign = 1;
	while (*str == '-' || *str == '+')
	{
		if (*str == '-')
			sign *= -1;
		str++;
	}
	while (ft_indexof(*str, base) >= 0)
		res = b * res + ft_indexof(*str++, base);
	return (sign * res);
}

void	ft_write_str(char c, char *str)
{
	int	i;

	i = 0;
	while (str[i])
	{
		i++;
	}
	str[i++] = c;
	str[i] = '\0';
}

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

	b = ft_isbase(base);
	if (b < 2)
		return ;
	if (nbr >= 0 && nbr < b)
	{
		ft_write_str(base[nbr], result);
	}
	else if (nbr < 0)
	{
		ft_write_str('-', result);
		if (nbr > -b)
			ft_putnbr_base(-nbr, base, result);
		else
		{
			ft_putnbr_base(nbr / (-b), base, result);
			ft_putnbr_base(-(nbr % b), base, result);
		}
	}
	else if (nbr >= b)
	{
		ft_putnbr_base(nbr / b, base, result);
		ft_putnbr_base(nbr % b, base, result);
	}
}