//-------------------------------------------------------------------
// Lines
//-------------------------------------------------------------------

// Border Line

@function border-line($style: 'dark-1', $stroke-weight: 'thin') {
  @if map-has-key($lines, $style) {
    $style: map-get($lines, $style);
    @return $stroke-weight $style;
  }
  @warn error-message($style, $lines, 'tokens/_structure.scss');
  @return null;
}

// Shadow Line
@function shadow-line($color: 'gray-800', $edge: 'outline', $stroke-weight: 1px, $alpha: 0.2) {
  // TODO - evaluate this
  $color: color(#{$color}, $alpha);

  // @if color(#{$color}) {
  //   $color: color(#{$color});
  // } @else {
  //   $color: $color;
  // }

  @if $edge == 'top' {
    @return 0 #{-$stroke-weight} 0 #{$color};
  } @else if $edge == 'left' {
    @return #{-$stroke-weight} 0 0 0 #{$color};
  } @else if $edge == 'right' {
    @return $stroke-weight 0 0 0 #{$color};
  } @else if $edge == 'bottom' {
    @return 0 $stroke-weight 0 0 #{$color};
  } @else if $edge == 'outline' {
    @return inset 0 0 0 $stroke-weight #{$color};
  }

  @warn error-message($color, $line-colors, 'tokens/_structure.scss');
  @return null;
}