// Colors setup
// Used after <config> to finalize colors setup.


// Auto-complete 8 colors palette
@if (length(theme(colors)) == 8) {
	$colors: theme(colors);
	$colors: join($colors, $colors);

	// Set color 9 to darkgray
	$colors: set-nth($colors, 9, lighten(nth($colors, 1), $dim-amount*2));

	// Let color 16 be white, set color 8 to lightgray
	$colors: set-nth($colors, 8, darken(nth($colors, 16), $dim-amount));

	$theme: map-merge($theme, (colors: $colors));
}

// Check that high intensity colors are not just duplicates.
@if ($enable-force-16-colors) {
	$colors: theme(colors);

	@for $i from 1 through 8 {
		$color-low:  nth($colors, $i);
		$color-high: nth($colors, $i+8);

		@if ($color-low == $color-high) {
			$colors: set-nth($colors, $i, darken($color-low, $dim-amount));
		}
	}

	$theme: map-merge($theme, (colors: $colors));
}


// Assert 16 colors palette is ready.
@if (length(theme(colors)) < 16) {
	@error "Color palette *MUST* be 8 standard colors + 8 high intensity colors.";
}