/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_printf.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: pbonilla <eirodeis.lepnj@gmail.com>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/03/02 21:18:26 by pbonilla          #+#    #+#             */
/*   Updated: 2021/03/21 20:10:56 by pbonilla         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../includes/ft_printf.h"

int				ft_print_param(t_param *param, va_list args, char **buff)
{
	if ((char)param->type == 'c')
		*buff = ft_char_case(param, va_arg(args, int));
	else if ((char)param->type == 's')
		*buff = ft_str_case(param, va_arg(args, char *));
	else if ((char)param->type == 'p')
		*buff = ft_ptr_case(param, va_arg(args, unsigned long long));
	else if ((char)param->type == 'd' || (char)param->type == 'i')
		*buff = ft_int_case(param, va_arg(args, int));
	else if ((char)param->type == 'u')
		*buff = ft_ui_case(param, va_arg(args, unsigned int));
	else if ((char)param->type == 'x' || (char)param->type == 'X')
		*buff = ft_x_case(param, va_arg(args, unsigned long));
	else if ((char)param->type == '%')
		*buff = ft_percent_case(param);
	if (param->type == 'c')
	{
		write(1, *buff, param->len);
		return (param->len);
	}
	else
		ft_putstr_fd(*buff, 1);
	return (ft_strlen(*buff));
}

int				ft_read_str(const char *s, va_list args)
{
	t_param		param;
	int			i;
	int			nb_chars;
	char		*buff;

	i = -1;
	nb_chars = 0;
	while (s[++i])
	{
		buff = NULL;
		if (s[i] != '%')
			nb_chars += write(1, &s[i], 1);
		else if (s[i] == '%' && s[i + 1])
		{
			param = ft_init_param();
			i = ft_parse_param(s, ++i, &param, args);
			if (i == -1)
				return (-1);
			nb_chars += ft_print_param(&param, args, &buff);
			if (buff)
				free(buff);
		}
	}
	return (nb_chars);
}

int				ft_printf(const char *s, ...)
{
	va_list		args;
	int			nb_chars;

	va_start(args, s);
	nb_chars = ft_read_str(s, args);
	va_end(args);
	return (nb_chars);
}