/// Output styles for a custom o-tooltip theme.
/// @param {string} $name - The name of the custom theme. This is used to create a new CSS class name so should be descriptive and include the project name.
/// @param {map} $opts - A map of theme options including "background-color" (color), "foreground-color" (color), and optionally "close-foreground-color" (color).
/// @example Output a custom tooltip theme named "my-product-modifier" with a slate background, and white foreground. Outputs a class 'o-tooltip--my-product-modifier'
/// 	// Outputs CSS class "o-tooltip--my-product-modifier"
/// 	@include oTooltipAddTheme('my-product-modifier', (
/// 		'background-color': oPrivateFoundationGet('o3-color-palette-slate'),
/// 		'foreground-color': oPrivateFoundationGet('o3-color-palette-white'),
/// 		'close-foreground-color': oPrivateFoundationGet('o3-color-palette-white') // optional
/// 	));
/// @access public
@mixin oTooltipAddTheme($name, $opts) {
	@if type-of($name) != 'string' {
		@error 'Expected a custom tooltip name as a string.';
	}

	@if type-of($opts) != 'map' {
		@error 'Expected a map of tooltip theme options.';
	}

	@if type-of(map-get($opts, 'background-color')) != 'color' {
		@error 'Could not add custom tooltip theme "#{$name}". Expected a ' +
			'a "color" `background-colour` option. Found type ' +
			'"#{type-of(map-get($opts, 'background-color'))}".';
	}

	@if type-of(map-get($opts, 'foreground-color')) != 'color' {
		@error 'Could not add custom tooltip theme "#{$name}". Expected a ' +
			'a "color" `foreground-colour` option. Found type ' +
			'"#{type-of(map-get($opts, 'foreground-color'))}".';
	}

	.o-tooltip.o-tooltip--#{$name} {
		@include _oTooltipThemeContent($opts);
	}
}

/// Output styles required to theme the tooltip.
/// @example Output styles for the default theme.
/// 	@include _oTooltipThemeContent();
/// @example Output styles for an o-brand variant (example only, at the time of writing o-tooltip only has one, default variant).
/// 	@include _oTooltipThemeContent('inverse');
/// @example Output styles for a custom variant
/// 	@include _oTooltipThemeContent((
/// 		'background-color': oPrivateFoundationGet('o3-color-palette-slate'),
/// 		'foreground-color': oPrivateFoundationGet('o3-color-palette-white'),
/// 		'close-foreground-color': oPrivateFoundationGet('o3-color-palette-white') // optional
/// 	));
/// @see {oTooltipAddTheme}
/// @access public
@mixin _oTooltipThemeContent($theme: null) {
	// Default theme values.
	$close-foreground-color: if(
		_oTooltipGet('close-foreground-color', $theme),
		_oTooltipGet('close-foreground-color', $theme),
		_oTooltipGet('foreground-color', $theme)
	);

	// Output theme CSS.
	background: _oTooltipGet('background-color', $theme);

	&.o-tooltip--arrow-left:after {
		border-right-color: _oTooltipGet('background-color', $theme);
	}
	&.o-tooltip--arrow-right:after {
		border-left-color: _oTooltipGet('background-color', $theme);
	}
	&.o-tooltip--arrow-above:after {
		border-bottom-color: _oTooltipGet('background-color', $theme);
	}
	&.o-tooltip--arrow-below:after {
		border-top-color: _oTooltipGet('background-color', $theme);
	}

	.o-tooltip-content {
		color: _oTooltipGet('foreground-color', $theme);
	}

	.o-tooltip-close {
		@include oPrivateIconsContent(
			'cross',
			$close-foreground-color,
			$size: 20px,
			$include-base-styles: false
		);
	}
}