/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   check_rgb.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: pblagoje <pblagoje@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/04/15 16:11:24 by pblagoje          #+#    #+#             */
/*   Updated: 2022/04/23 18:40:13 by pblagoje         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "cube3d.h"

int	check_colors(char **str)
{
	int	i;
	int	num;

	i = 0;
	num = 0;
	while (str && str[i])
	{
		num = ft_atoi(str[i]);
		if (num < 0 || num > 255)
			return (EXIT_FAILURE);
		i++;
	}
	return (EXIT_SUCCESS);
}

int	ft_strlen_2d(char **str)
{
	int	i;

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

void	set_floor_rgb(t_txt *txt, char **rgb)
{
	int	i;

	i = 0;
	while (i < 3)
	{
		txt->rgb_floor[i] = ft_atoi(rgb[i]);
		i++;
	}
}

void	set_ceiling_rgb(t_txt *txt, char **rgb)
{
	int	i;

	i = 0;
	while (i < 3)
	{
		txt->rgb_ceiling[i] = ft_atoi(rgb[i]);
		i++;
	}
}

void	ft_free_2d(char **str)
{
	int	i;

	i = 0;
	while (str && str[i])
	{
		free(str[i]);
		i++;
	}
	free(str);
}

int	check_rgb(t_txt *txt, char *element, char identifier)
{
	char	**rgb;

	rgb = ft_split(element, ',');
	if (!rgb || ft_strlen_2d(rgb) != 3 || \
		element[ft_strlen(element) - 1] == ',')
	{
		ft_free_2d(rgb);
		ft_putstr_fd("Error\nInvalid RGB code.\n", 2);
		return (EXIT_FAILURE);
	}
	if ((identifier != 'F' && identifier != 'C') || check_colors(rgb))
	{
		ft_free_2d(rgb);
		ft_putstr_fd("Error\nInvalid RGB code.\n", 2);
		return (EXIT_FAILURE);
	}
	if (identifier == 'F')
		set_floor_rgb(txt, rgb);
	else
		set_ceiling_rgb(txt, rgb);
	ft_free_2d(rgb);
	return (EXIT_SUCCESS);
}