//
// Handy Information
// http://lesscss.org/features/#mixins-feature-not-outputting-the-mixin
//

@import "~@enact/spotlight/styles/mixins.less";
@import "~@enact/ui/styles/mixins.less";
@import (multiple) "./variables.less";

// Allows a component to override the existing "disabled" rules and apply its own customized rules.
.sand-disabled(@rules) when (isruleset(@rules)) {
	.disabled({
		opacity: 1; // reset standard disabled rule.

		@rules();
	});
}

.sand-taparea(@element-size) when (@sand-smallest-tappable-size > @element-size) {
	// Take the size of the minimum tappable area, and subtract the element's current size.
	@_tap-offset: -((@sand-smallest-tappable-size - @element-size) / 2);

	&::before {
		content: "";
		position: absolute;
		top: @_tap-offset;
		right: @_tap-offset;
		bottom: @_tap-offset;
		left: @_tap-offset;
		border-radius: @sand-button-border-radius;
	}
}

.sand-taparea(@element-size) when (@sand-smallest-tappable-size <= @element-size) {
	// Remove the tappable area if the tap area is smaller than the element's current size.
	&::before {
		content: none;
	}
}

.sand-item-icon-tap-area-adjust() {
	&.small > .small-icon-tap-area {
		left: -@sand-spotlight-outset;
		right: -@sand-spotlight-outset;
	}
}

.sand-word-break() {
	overflow-wrap: break-word;
	word-break: keep-all;
}

// NOTE: Until we are able to automatically remove these JSDoc-style comments, they should remain LESS-commented
// /**
//  * Add a margin to your component which includes the standard sandstone spotlight margin on the
//  * sides and uses the two arguments for margin on the top and bottom respectively.
//  *
//  * @param  {Measurement} @t Top margin
//  * @param  {Measurement} @b Bottom margin
//  */
.sand-spotlight-margin(@t; @b) {
	margin: @t @sand-spotlight-outset @b;
}

// /**
//  * Add a margin to your component which includes the standard sandstone spotlight margin on the
//  * sides and uses the argument for margin on the top and bottom.
//  *
//  * @param  {Measurement} @tb Top and bottom margin
//  */
.sand-spotlight-margin(@tb) {
	margin: @tb @sand-spotlight-outset;
}

// /**
//  * Add a margin to your component which includes the standard sandstone spotlight margin only on
//  * the sides.
//  */
.sand-spotlight-margin() {
	margin-left: @sand-spotlight-outset;
	margin-right: @sand-spotlight-outset;
}

// /**
//  * Add a padding to your component which includes the standard sandstone spotlight padding on the
//  * sides and uses the two arguments for padding on the top and bottom respectively.
//  *
//  * @param  {Measurement} @t Top padding
//  * @param  {Measurement} @b Bottom padding
//  */
.sand-spotlight-padding(@t; @b) {
	padding: @t @sand-spotlight-outset @b;
}

// /**
//  * Add a padding to your component which includes the standard sandstone spotlight padding on the
//  * sides and uses the argument for padding on the top and bottom.
//  *
//  * @param  {Measurement} @tb Top and bottom padding
//  */
.sand-spotlight-padding(@tb) {
	padding: @tb @sand-spotlight-outset;
}

// /**
//  * Add a padding to your component which includes the standard sandstone spotlight padding only on
//  * the sides.
//  */
.sand-spotlight-padding() {
	padding-left: @sand-spotlight-outset;
	padding-right: @sand-spotlight-outset;
}

//
// Mixin classes for creating the sandstone text classes
//

// Text base provides family, weight, and size
// Accepts 0, 1 or 2 arguments
// The first argument allows overriding the font size, defaulting to
// the default body font size, the 2nd argument is used privately by
// ThemeDecorator to override the target of the rules.
.sand-text-base(@font-size: @sand-body-font-size; @target: normal) {
	.sand-font({
		font-weight: @sand-non-latin-font-weight;
	}, @target);

	font-weight: normal;
	font-size: @font-size;

	.enact-locale-line-height(@sand-body-line-height; @sand-tallglyph-body-line-height; @target);
}

//
// Sandstone Font Applicator
//
// When only rules are provided. Default populate the @target argument.
.sand-font(@nlrules; @target: normal) when (isruleset(@nlrules)) {
	// content: "Applying .sand-font (rules)";
	.sand-font(@sand-font-family, @sand-non-latin-font-family, @nlrules, @target);
}
// When 0, 1, or 2 strings (font family names) are provided. Default populate the @target argument so the signature stays the same.
.sand-font(@family: @sand-font-family; @nlfamily: @sand-non-latin-font-family; @target: normal) when (isstring(@family)) and (isstring(@nlfamily)) {
	// content: "Applying .sand-font 0123";
	.sand-font(@family, @nlfamily, {}, @target);
}
// When exactly 3 or 4 args are provided. Types are assumed because they went through the trouble to provide all 3 required args.
.sand-font(@family; @nlfamily; @nlrules; @target: normal) when (isruleset(@nlrules)) {
	// content: "Applying .sand-font 34";
	font-family: @family;

	.enact-locale(non-latin, {
		font-family: @nlfamily;
		@nlrules();
	}, @target);
}

// Convenience method added to simply set the font size. Please don't use this inside the framework
// as it will generate a significant amount of selectors and rules that might not be minified.
// The framework offers more direct and more efficient means of assigning multiple rules at once.
// This is primarily a convenience for external app developers.
// Usage:
//    0 args -> default size for latin is applied to both latin and non-latin
//    1 arg  -> that size is applied to both latin and non-latin
//    2 args -> first is applied to latin, second to non-latin
.sand-font-size(@font-size: @sand-body-font-size; @nlfont-size: @font-size) {
	font-size: @font-size;

	.enact-locale(non-latin, {
		font-size: @nlfont-size;
	});
}

// Generic Non-Latin Font Rule generator
.sand-locale-non-latin(@rules; @target: normal) when (isruleset(@rules)) and (default()) {
	.enact-locale(non-latin, @rules, @target);
}

//
// Custom Text Size Mixins
//
// 1 arg: Shorthand for just setting the font size in custom-text mode
.sand-custom-text-size(@latin-size) {
	.sand-custom-text({
		font-size: @latin-size;
	});
}
// 2 args: Shorthand for just setting the font size of both latin and non-latin in custom-text mode
.sand-custom-text-size(@latin-size; @non-latin-size) {
	.sand-custom-text(
	{
		font-size: @latin-size;
	};
	{
		font-size: @non-latin-size;
	});
}

// 1 arg: Generic rule applicator, accepts an entire rule-set to add for large text mode
.sand-custom-text(@lrules) when (isruleset(@lrules)) {
	&:global(.largeText) {
		@lrules();
	}
}
// 2 args: Generic rule applicator, accepts 2 entire rule-sets to add both latin and non-latin for large text mode
.sand-custom-text(@lrules; @nlrules) when (isruleset(@lrules)) and (isruleset(@nlrules)) {
	.sand-custom-text(@lrules);

	.enact-locale(non-latin, {
		.sand-custom-text(@nlrules);
	});
}

.sand-font-number() {
	// content: "Applying .sand-font-number";
	.sand-font(@sand-number-font-family; @sand-number-font-family);
}

//
// Text definitions
//

.sand-alert-title() {
	.sand-font(@sand-alert-font-family; @sand-non-latin-font-family-light);
	.enact-locale-line-height(@sand-alert-line-height; @sand-tallglyph-body-line-height);
	font-size: @sand-alert-title-font-size;
	font-weight: @sand-alert-font-weight;
}

.sand-alert-subtitle() {
	.sand-font(@sand-alert-font-family; @sand-non-latin-font-family-light);
	.enact-locale-line-height(@sand-alert-line-height);
	font-size: @sand-alert-subtitle-font-size;
	font-weight: @sand-alert-font-weight;
}

.sand-alert-overlay-content() {
	.sand-font(@sand-alert-font-family; @sand-non-latin-font-family-light);
	.enact-locale-line-height(@sand-alert-line-height; @sand-tallglyph-body-line-height);
	font-weight: @sand-alert-font-weight;
	font-size: @sand-alert-overlay-font-size;
	text-align: initial;
	.sand-word-break();
	.locale-japanese-line-break();
}

.sand-body-text() {
	font-weight: @sand-body-font-weight;
	font-size: @sand-body-font-size;
	font-style: @sand-body-font-style;
	.sand-font(@sand-body-font-family; @sand-non-latin-font-family-light; {
		font-weight: @sand-non-latin-body-font-weight;
		font-size: @sand-non-latin-body-font-size;
		font-style: @sand-non-latin-body-font-style;
	});

	.enact-locale-line-height(@sand-body-line-height; @sand-tallglyph-body-line-height);

	a:link {color: inherit; text-decoration:none;}
	a:visited {color: inherit; text-decoration:none;}
	a:hover {color: inherit; text-decoration:none;}
	a:active {color: inherit; text-decoration:none;}
}

.sand-large-button-text() {
	.sand-font(@sand-button-font-family; @sand-non-latin-button-font-family; {
		font-size: @sand-non-latin-button-large-font-size;
		font-style: @sand-non-latin-button-font-style;
		font-weight: @sand-non-latin-button-font-weight;
	});
	font-size: @sand-button-font-size;
	font-style: @sand-button-font-style;
	font-weight: @sand-button-font-weight;
	.font-kerning();
}

.sand-small-button-text() {
	.sand-font(@sand-button-small-font-family; @sand-non-latin-button-font-family; {
		font-size: @sand-non-latin-button-small-font-size;
		font-style: @sand-non-latin-button-small-font-style;
		font-weight: @sand-non-latin-button-small-font-weight;
	});
	font-size: @sand-button-small-font-size;
	font-style: @sand-button-small-font-style;
	font-weight: @sand-button-small-font-weight;
	.font-kerning();
}

// Uses Webkit specific styles to have multi-line ellipsis
.sand-multi-line-ellipsis(@lines) {
	overflow: hidden;
	display: -webkit-box;
	-webkit-line-clamp: @lines;
	-webkit-box-orient: vertical;
}

// Add an extension to the .enact-locale-line-height mixin defined in ~@ui which has defaults specific to sandstone.
//
// Set line-height for normal and tallglyphs with 0, 1 or 2 arguments
// Ex:
//   .enact-locale-line-height();              ->  normal: default; tallglyphs: default;
//   .enact-locale-line-height(1.4em);         ->  normal: 1.4em; tallglyphs: default;
//   .enact-locale-line-height(1.4em; 1.6em);  ->  normal: 1.4em; tallglyphs: 1.6em;
.enact-locale-line-height(@normal: @sand-common-line-height; @tallglyph: @sand-tallglyph-line-height; @target: normal) when (default()) {
	.enact-locale-tallglyph(line-height; @normal; @tallglyph; @target);
}

.sand-focus-ring() {
	transform: none;       
	outline: 12px solid rgb(230,230,230);
	outline-offset: 9px;  
}

.sand-focus-highlight() {
    .focus({
		&:global(.focusRing) {
			.sand-focus-ring();
		}
    });
};

.sand-focus-highlight(@target) {
	.focus({
		&:global(.focusRing) {
			transform: none;
			.@{target} {
				.sand-focus-ring(); 
			}
        }
    });
};