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

/*
----------------------------------------
utility-font()
----------------------------------------
Get a normalized font-size in rem from
a family and a type size in either
system scale or project scale
----------------------------------------
Not the public-facing function.
Used for building the utilities and
withholds certain errors.
----------------------------------------
*/

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

  $quote-scale: smart-quote($scale);
  @if not(map.get($all-type-scale, $quote-scale)) {
    @return error-not-token($scale, "font scale", $all-type-scale);
  }

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

  @if not $this-scale and $this-cap {
    @return false;
  }

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

// @debug utility-font("cond", "2xs");
// @return false;

// @debug utility-font("sans", "sm");
// @return 1.06rem;