/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_printf.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/12 16:27:59 by erey-bet          #+#    #+#             */
/*   Updated: 2022/10/15 23:19:38 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"
#include <stdarg.h>

static int	ft_is_format(const char c)
{
	return (c == 'c' || c == 's' || c == 'p' || c == 'i' || c == 'd'
		|| c == 'u' || c == 'x' || c == 'X' || c == '%');
}

static int	ft_post_character_bis(char format, va_list args)
{
	int	count;

	count = 1;
	if (format == 'c')
		ft_putchar(va_arg(args, int));
	else if (format == 's')
		count = ft_putstr(va_arg(args, char *));
	else if (format == 'd' || format == 'i')
		count = ft_putnbr(va_arg(args, int));
	else if (format == 'u')
		count = ft_putunbr(va_arg(args, unsigned int));
	else if (format == 'x')
		count = ft_putnbrhex(va_arg(args, int));
	else if (format == 'X')
		count = ft_putnbrhex_upper(va_arg(args, int));
	else if (format == '%')
		ft_putchar('%');
	else if (format == 'p')
		count = ft_putvd(va_arg(args, void *));
	return (count);
}

static int	ft_post_character(char format, va_list args)
{
	int	count;

	count = ft_post_character_bis(format, args);
	if (count == -1)
	{
		ft_putstr("(null)");
		count = 6;
	}
	else if (count == -2)
	{
		ft_putstr("(nil)");
		count = 5;
	}
	return (count);
}

int	ft_printf(const char *str, ...)
{
	va_list	args;
	int		i;
	int		y;
	int		count;

	va_start(args, str);
	i = -1;
	y = 0;
	count = 0;
	while (str[++i])
	{
		if (str[i] == '%' && ft_is_format(str[i + 1]))
		{
			count += ft_post_character(str[i + 1], args);
			i++;
			y++;
		}
		else
		{
			ft_putchar(str[i]);
			count++;
		}
	}
	va_end(args);
	return (count);
}