@use 'sass:color';
@use 'sass:map';
@use 'sass:meta';
@use '@angular/material' as mat;
@use '../core/tokens/m2-utils';

@function private-get-color-palette-color-tokens($theme, $palette-name) {
  @return (
    split-gutter-hover-state-background-color: mat.get-theme-color($theme, $palette-name, text),
  );
}

// Tokens that can't be configured through Angular Material's current theming API,
// but may be in a future version of the theming API.
@function get-unthemable-tokens() {
  @return ();
}

// Tokens that can be configured through Angular Material's color theming API.
@function get-color-tokens($theme) {
  $gutter-tokens: private-get-color-palette-color-tokens($theme, primary);

  @return mat.private-merge-all($gutter-tokens, (
    split-gutter-background-color: mat.get-theme-color($theme, foreground, divider),
  ));
}

// Tokens that can be configured through Angular Material's typography theming API.
@function get-typography-tokens($theme) {
  @return ();
}

// Tokens that can be configured through Angular Material's density theming API.
@function get-density-tokens($theme) {
  @return ();
}

// Combines the tokens generated by the above functions into a single map with placeholder values.
// This is used to create token slots.
@function get-token-slots() {
  @return mat.private-deep-merge-all(
    get-unthemable-tokens(),
    get-color-tokens(m2-utils.$placeholder-color-config),
    get-typography-tokens(m2-utils.$placeholder-typography-config),
    get-density-tokens(m2-utils.$placeholder-density-config)
  );
}