/**
 * @copyright Copyright (c) 2018, John Molakvoæ (skjnldsv@protonmail.com)
 *
 * @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/**
 * Removes the "#" from a color.
 *
 * @param string $color The color
 * @return string The color without #
 */
@function remove-hash-from-color($color) {
	$color: unquote($color);
	$index: str-index(inspect($color), '#');
	@if $index {
		$color: str-slice(inspect($color), 2);
	}
	@return $color;
}

/**
 * @see core/src/icons.js
 */
@function match-color-string($color) {
	@if $color == #000 {
		@return "dark";
	}
	@if $color == #fff {
		@return 'white';
	}
	@if $color == #FC0 {
		@return 'yellow';
	}
	@if $color == #e9322d {
		@return 'red';
	}
	@if $color == #eca700 {
		@return 'orange';
	}
	@if $color == #46ba61 {
		@return 'green';
	}
	@if $color == #969696 {
		@return 'grey';
	}
	@return $color;
}

/**
 * SVG COLOR API
 *
 * @param string $icon the icon filename
 * @param string $dir the icon folder within /core/img if $core or app name
 * @param string $color the desired color in hexadecimal
 * @param int $version the version of the file
 * @param bool [$core] search icon in core
 *
 * @returns A background image with the url to the set to the requested icon.
 */
@mixin icon-color($icon, $dir, $color, $version: 1, $core: false) {
	$color: match-color-string($color);
	/* $dir is the app name, so we add this to the icon var to avoid conflicts between apps */
	$varName: "--icon-#{$icon}-#{$color}";
	background-image: var(#{$varName});
}

@mixin position($value) {
	@if $value == 'sticky' {
		position: -webkit-sticky; // Safari support
		position: sticky;
	} @else {
		position: $value;
	}
}