@use 'sass:map';
@use 'sass:string';
@use 'setting' as *;
@use '../config' as *;

/// Get the value of a key from a map.
/// @param {string} $key - The key name.
/// @param {map} $map - The map to get the value from.
/// @param {boolean} $custom-property - Whether to return the value as a CSS custom property.
/// @return {string} - The value of the key.
/// @throws {error} - If the key doesn't exist.
@function config(
  $key,
  $map,
  $custom-property: true
) {
  @if not map.has-key($map, $key) {
    @error $key;
    @error 'The #{$key} key name doesn\'t exist under #{$map} at the specified map.';
  }

  @if map.get($map, $key) == null {
    @return null;
  }

  @if not $custom-property {
    @return map.get($map, $key);
  }

  @if map.get($settings, 'css-custom-properties') {
    @return var(--#{$internal-prefix}#{$key});
  }

  @return map.get($map, $key);
}