@use "sass:map";
@use "sass:meta";
@use "../../functions/general/smart-quote" as *;
@use "../../functions/general/error-not-token" as *;
@use "../../functions/output/get-uswds-value" as *;
@use "../../functions/font/normalize-type-scale" as *;
@use "../../variables/border-radius" as *;
@use "../../variables/project-cap-heights" as *;
@use "../../variables/type-scale" as *;
@use "../../properties" as *;

/*
----------------------------------------
border-radius()
----------------------------------------
Get a border-radius from the system
border-radii
----------------------------------------
*/

@function border-radius($value) {
  @if map.has-key($all-border-radius, $value) {
    @return map.get($all-border-radius, $value);
  } @else {
    @return error-not-token($value, "border radius", $all-border-radius);
  }
}

// @debug #{border-radius(2)};
// @return 1rem;

/*
----------------------------------------
font-weight()
fw()
----------------------------------------
Get a font-weight value from the
system font-weight
----------------------------------------
*/

@function font-weight($value) {
  @return get-uswds-value(font-weight, $value);
}

@function fw($value) {
  @return font-weight($value);
}

// @debug #{font-weight("light")};
// @return 300;

/*
----------------------------------------
feature()
----------------------------------------
Gets a valid USWDS font feature setting
----------------------------------------
*/

@function feature($value) {
  @return get-uswds-value(font-feature-settings, $value);
}

// @debug #{feature("tabular")};
// @return "tnum" 1, "kern" 1;

/*
----------------------------------------
flex()
----------------------------------------
Gets a valid USWDS flex value
----------------------------------------
*/

@function flex($value) {
  @return get-uswds-value(flex, $value);
}

// @debug #{flex(11)};
// @return 11 1 0%;

/*
----------------------------------------
font-family()
family()
----------------------------------------
Get a font-family stack from a
role-based or type-based font family
----------------------------------------
*/

@function font-family($value) {
  @return get-uswds-value(font-family, $value);
}

@function ff($value) {
  @return font-family($value);
}

@function family($value) {
  @return font-family($value);
}

// @debug #{font-family("sans")};
// @return Source Sans Pro Web, Helvetica Neue, Helvetica, Roboto, Arial, sans-serif

/*
----------------------------------------
letter-spacing()
ls()
----------------------------------------
Get a letter-spacing value from the
system letter-spacing
----------------------------------------
*/

@function letter-spacing($value) {
  $lh-map: map.get($system-properties, "letter-spacing");
  $fn-map: map.get($lh-map, function);
  @if map.has-key($fn-map, $value) {
    @return map.get($fn-map, $value);
  }
  @if meta.type-of($value) == "number" {
    @error '`#{$value}` is a not a valid letter-spacing token. '
      + 'Valid letter-spacing tokens: #{map.keys($fn-map)}';
  }
  @return get-uswds-value("letter-spacing", $value);
}

@function ls($value) {
  @return letter-spacing($value);
}

// @debug #{letter-spacing("ls-3")};
// @return 0.15em;

/*
----------------------------------------
measure()
----------------------------------------
Gets a valid USWDS reading line length
----------------------------------------
*/

@function measure($value) {
  @return get-uswds-value(measure, $value);
}

// @debug #{measure(2)};
// @return 60ex;

/*
----------------------------------------
opacity()
----------------------------------------
Get an opacity from the system
opacities
----------------------------------------
*/

@function opacity($value) {
  @return get-uswds-value(opacity, $value);
}

// @debug #{opacity(30)};
// @return 0.3;

/*
----------------------------------------
order()
----------------------------------------
Get an order value from the
system orders
----------------------------------------
*/

@function order($value) {
  @return get-uswds-value(order, $value);
}

// @debug #{order(last)};
// @return 999;

/*
----------------------------------------
radius()
----------------------------------------
Get a border-radius value from the
system letter-spacing
----------------------------------------
*/

@function radius($value) {
  @return get-uswds-value(border-radius, $value);
}

// @debug #{radius(lg)};
// @return 0.5rem;

/*
----------------------------------------
font-size()
----------------------------------------
Get type scale value from a [family] and
[scale]
----------------------------------------
*/

@function font-size($family, $scale, $force: false) {
  $our-family: smart-quote($family);
  $our-scale: smart-quote($scale);

  @if not(map.has-key($project-cap-heights, $our-family)) {
    @return error-not-token($our-family, "font family", $project-cap-heights);
  }
  @if not(map.get($all-type-scale, $our-scale)) {
    @return error-not-token($our-scale, "font scale", $all-type-scale);
  }

  $this-cap: map.get($project-cap-heights, $our-family);
  $this-scale: map.get($all-type-scale, $our-scale);

  @if not $force {
    @if not($this-scale and $this-cap) {
      @error 'The scale `#{$our-scale}` is disabled '
        + 'in your project\'s theme settings. '
        + 'Set its value to `true` to use this family.';
    }
  }

  @return normalize-type-scale($this-cap, $this-scale);
}

@function fs($family, $scale) {
  @return font-size($family, $scale);
}

@function size($family, $scale) {
  @return font-size($family, $scale);
}

// @debug #{font-size("serif", "3xs")};
// @return  0.79rem;

// @debug #{font-size("serif", "4xs")};
// @return 4xs is not a valid USWDS font scale token

/*
----------------------------------------
z-index()
z()
----------------------------------------
Get a z-index value from the
system z-index
----------------------------------------
*/

@function z-index($value) {
  @return get-uswds-value(z-index, $value);
}

@function z($value) {
  @return z-index($value);
}

// @debug #{z("top")};
// @return 99999;