/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_get_colors.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: joelecle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:28:47 by joelecle          #+#    #+#             */
/*   Updated: 2020/02/14 17:28:47 by joelecle         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <libft.h>
#include <cub3d.h>
#include <stddef.h>
#include <stdint.h>

static int8_t
	ft_check_color_digits(char **num, t_cub *clist)
{
	size_t	i;
	uint8_t	j;

	i = 0;
	j = 0;
	while (j < 3)
	{
		while (ft_isdigit(num[j][i]))
			i++;
		if (i != ft_strlen(num[j]))
		{
			ft_free_words(num);
			ft_sprintf(clist->errmsg, FT_ERR_COLOR_ALPHA);
			return (-1);
		}
		i = 0;
		j++;
	}
	return (0);
}

static int8_t
	ft_check_max_int(char **num, t_cub *clist)
{
	if (ft_atoi(num[0]) > 255 || ft_atoi(num[1]) > 255
		|| ft_atoi(num[2]) > 255)
	{
		ft_sprintf(clist->errmsg, FT_ERR_COLOR_MAX);
		ft_free_words(num);
		return (-1);
	}
	return (0);
}

static int8_t
	ft_check_nums_amount(char **num, t_cub *clist)
{
	if (!num[0] || !num[1] || !num[2] || num[3])
	{
		ft_sprintf(clist->errmsg, FT_ERR_COLOR_ARGS);
		ft_free_words(num);
		return (-1);
	}
	return (0);
}

int8_t
	ft_get_f_color(char **words, t_cub *clist)
{
	char	**num;

	if (!(*words) || !words[1] || words[2])
	{
		ft_sprintf(clist->errmsg, FT_ERR_ARGS);
		return (-1);
	}
	if (!ft_check_ext(words[1], ".xpm"))
		return (ft_get_f_tex(words, clist));
	if (!(num = ft_split(words[1], ',')))
	{
		ft_sprintf(clist->errmsg, FT_ERR_ALLOCATE);
		return (-1);
	}
	if (ft_check_nums_amount(num, clist) < 0)
		return (-1);
	if (ft_check_color_digits(num, clist) < 0)
		return (-1);
	if (ft_check_max_int(num, clist) < 0)
		return (-1);
	clist->f_rgb.r = ft_atoi(num[0]);
	clist->f_rgb.g = ft_atoi(num[1]);
	clist->f_rgb.b = ft_atoi(num[2]);
	ft_free_words(num);
	return (0);
}

int8_t
	ft_get_c_color(char **words, t_cub *clist)
{
	char	**num;

	if (!(*words) || !words[1] || words[2])
	{
		ft_sprintf(clist->errmsg, FT_ERR_ARGS);
		return (-1);
	}
	if (!ft_check_ext(words[1], ".xpm"))
		return (ft_get_c_tex(words, clist));
	if (!(num = ft_split(words[1], ',')))
	{
		ft_sprintf(clist->errmsg, FT_ERR_ALLOCATE);
		return (-1);
	}
	if (ft_check_nums_amount(num, clist) < 0)
		return (-1);
	if (ft_check_color_digits(num, clist) < 0)
		return (-1);
	if (ft_check_max_int(num, clist) < 0)
		return (-1);
	clist->c_rgb.r = ft_atoi(num[0]);
	clist->c_rgb.g = ft_atoi(num[1]);
	clist->c_rgb.b = ft_atoi(num[2]);
	ft_free_words(num);
	return (0);
}