##########################################################################
# ScrabbleAI::GUI::Utils
# Misc GUI utility functions
#
# Copyright (C) 2015 Andrew Pikler
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
##########################################################################

package ScrabbleAI::GUI::Utils;

use strict;
use warnings;

use Gtk2 '-init';

# takes r,g,b values and returns a Gtk2::Gdk::Color
sub get_gdk_color {
	my ($r, $g, $b) = @_;
	
	my $scalar = 257;
	($r, $g, $b) = map {$_*$scalar} ($r, $g, $b);
	return Gtk2::Gdk::Color->new($r, $g, $b);
}

# Returns the color of the background of the user's rack
sub rack_color {
	return get_gdk_color(0, 150, 0);
}

# Returns the color of a space on the board corresponding to the given bonus.
# Valid bonuses are:
# '3W' => Triple word score
# '2W' => Double word score
# '3L' => Triple letter score
# '2L' => Double letter score
#
# If the given bonus is not one of the above, the color of a regular space will be returned.
sub get_space_color {
	my ($bonus) = @_;

	$bonus = uc($bonus);

	my %colors = (
		'3W' => ScrabbleAI::GUI::Utils::get_gdk_color(210, 70, 50),
		'2W' => ScrabbleAI::GUI::Utils::get_gdk_color(220, 150, 150),
		'3L' => ScrabbleAI::GUI::Utils::get_gdk_color(50, 160, 205),
		'2L' => ScrabbleAI::GUI::Utils::get_gdk_color(150, 200, 215),
	);

	if (defined $colors{$bonus}) {
		return $colors{$bonus};
	}
	else {
		return ScrabbleAI::GUI::Utils::get_gdk_color(195, 190, 175);
	}
}

1;