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

// 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 (
    alert-container-shape: 4px,
  );
}

// Tokens that can be configured through Angular Material's color theming API.
@function get-color-tokens($theme) {
  $is-dark: mat.get-theme-type($theme) == dark;

  @return (
    alert-outline-color: transparent,
    alert-background-color: mat.m2-get-color-from-palette(mat.$m2-gray-palette, if($is-dark, 900, 100)),
    alert-text-color: mat.get-theme-color($theme, foreground, text),

    alert-info-outline-color: transparent,
    alert-info-background-color: mat.m2-get-color-from-palette(mat.$m2-blue-palette, if($is-dark, 900, 100)),
    alert-info-text-color: mat.get-theme-color($theme, foreground, text),

    alert-success-outline-color: transparent,
    alert-success-background-color: mat.m2-get-color-from-palette(mat.$m2-green-palette, if($is-dark, 900, 100)),
    alert-success-text-color: mat.get-theme-color($theme, foreground, text),

    alert-warning-outline-color: transparent,
    alert-warning-background-color: mat.m2-get-color-from-palette(mat.$m2-amber-palette, if($is-dark, 900, 100)),
    alert-warning-text-color: mat.get-theme-color($theme, foreground, text),

    alert-danger-outline-color: transparent,
    alert-danger-background-color: mat.m2-get-color-from-palette(mat.$m2-red-palette, if($is-dark, 900, 100)),
    alert-danger-text-color: mat.get-theme-color($theme, foreground, text),
  );
}

// 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)
  );
}
