@use 'sass:map';
@use '../core/theming/theming';
@use '../core/tokens/m2-utils';
@use '../core/tokens/m3-utils';

@function get-tokens($theme) {
  $system: m2-utils.get-system($theme);
  $density-scale: theming.clamp-density(map.get($system, density-scale), -2);

  @return (
    base: (
      chip-container-shape-radius: 16px,
      chip-disabled-container-opacity: 0.4,
      chip-disabled-outline-color: transparent,
      chip-flat-selected-outline-width: 0,
      chip-focus-outline-color: transparent,
      chip-hover-state-layer-opacity: map.get($system, hover-state-layer-opacity),
      chip-outline-color: transparent,
      chip-outline-width: 0,
      chip-selected-hover-state-layer-opacity: map.get($system, hover-state-layer-opacity),
      chip-selected-trailing-action-state-layer-color: transparent,
      chip-trailing-action-focus-opacity: 1,
      chip-trailing-action-focus-state-layer-opacity: 0,
      chip-trailing-action-hover-state-layer-opacity: 0,
      chip-trailing-action-opacity: 0.54,
      chip-trailing-action-state-layer-color: transparent,
      chip-with-avatar-avatar-shape-radius: 14px,
      chip-with-avatar-avatar-size: 28px,
      chip-with-avatar-disabled-avatar-opacity: 1,
      chip-with-icon-disabled-icon-opacity: 1,
      chip-with-icon-icon-size: 18px,
      chip-with-trailing-icon-disabled-trailing-icon-opacity: 1,
    ),
    color: private-get-color-palette-color-tokens($theme, null),
    typography: (
      chip-label-text-font: map.get($system, body-medium-font),
      chip-label-text-line-height: map.get($system, body-medium-line-height),
      chip-label-text-size: map.get($system, body-medium-size),
      chip-label-text-tracking: map.get($system, body-medium-tracking),
      chip-label-text-weight: map.get($system, body-medium-weight)
    ),
    density: (
      chip-container-height: map.get((
        0: 32px,
        -1: 28px,
        -2: 24px), $density-scale)
    ),
  );
}

// Tokens that can be configured through Angular Material's color theming API.
@function private-get-color-palette-color-tokens($theme, $color-variant: null) {
  $system: m2-utils.get-system($theme);
  $background: m3-utils.color-with-opacity(map.get($system, on-surface), 12%);
  $foreground: map.get($system, on-surface);

  @if $color-variant {
    $system: m3-utils.replace-colors-with-variant($system, primary, $color-variant);
    $background: map.get($system, primary);
    $foreground: map.get($system, on-primary);
  }

  @return (
    chip-disabled-label-text-color: $foreground,
    chip-elevated-container-color: $background,
    chip-elevated-disabled-container-color: $background,
    chip-elevated-selected-container-color: $background,
    chip-flat-disabled-selected-container-color: $background,
    chip-focus-state-layer-color: map.get($system, on-surface),
    chip-focus-state-layer-opacity: map.get($system, focus-state-layer-opacity),
    chip-hover-state-layer-color: map.get($system, on-surface),
    chip-label-text-color: $foreground,
    chip-selected-disabled-trailing-icon-color: $foreground,
    chip-selected-focus-state-layer-color: map.get($system, focus-state-layer-opacity),
    chip-selected-focus-state-layer-opacity: map.get($system, focus-state-layer-opacity),
    chip-selected-hover-state-layer-color: map.get($system, hover-state-layer-opacity),
    chip-selected-label-text-color: $foreground,
    chip-selected-trailing-icon-color: $foreground,
    chip-with-icon-disabled-icon-color: $foreground,
    chip-with-icon-icon-color: $foreground,
    chip-with-icon-selected-icon-color: $foreground,
    chip-with-trailing-icon-disabled-trailing-icon-color: $foreground,
    chip-with-trailing-icon-trailing-icon-color: $foreground,
  );
}