//
// Copyright 2023 Google LLC
// SPDX-License-Identifier: Apache-2.0
//

@use 'sass:map';
@use 'sass:string';
@use './internal/validate';
@use './md-comp-list-item';
@use './md-sys-color';
@use './md-sys-elevation';
@use './md-sys-shape';
@use './md-sys-state';
@use './md-sys-typescale';
@use './v0_192/md-comp-menu';

$supported-tokens: (
    'bottom-space',
    'container-color',
    'disabled-opacity',
    'hover-state-layer-color',
    'hover-state-layer-opacity',
    'label-text-color',
    'label-text-font',
    'label-text-line-height',
    'label-text-size',
    'label-text-weight',
    'leading-icon-color',
    'leading-space',
    'one-line-container-height',
    'pressed-state-layer-color',
    'pressed-state-layer-opacity',
    'selected-container-color',
    'selected-label-text-color',
    'supporting-text-color',
    'supporting-text-font',
    'supporting-text-line-height',
    'supporting-text-size',
    'supporting-text-weight',
    'top-space',
    'trailing-icon-color',
    'trailing-space',
    'trailing-supporting-text-color',
    'trailing-supporting-text-font',
    'trailing-supporting-text-line-height',
    'trailing-supporting-text-size',
    'trailing-supporting-text-weight',
    'two-line-container-height'
);

// prettier-ignore
$unsupported-tokens: (
    'container-elevation',
    'container-shadow-color',
    'container-shape',
    'selected-with-leading-icon-trailing-icon-color',
    'with-leading-icon-icon-color'
);

$_default: (
    'md-sys-color': md-sys-color.values-light(),
    'md-sys-elevation': md-sys-elevation.values(),
    'md-sys-shape': md-sys-shape.values(),
    'md-sys-state': md-sys-state.values(),
    'md-sys-typescale': md-sys-typescale.values(),
);

@function values($deps: $_default, $exclude-hardcoded-values: false, $exclude-custom-properties: false) {
    $tokens: md-comp-menu.values($deps);

    // Like list items, menu items use their parent menu for their container
    // color. However, menu items can have a selected background color, so we
    // change its default unselected background color to transparent to inherit
    // from its parent menu.
    $tokens: map.set($tokens, 'container-color', transparent);

    $tokens: validate.values(
        $tokens,
        $supported-tokens: $supported-tokens,
        $unsupported-tokens: $unsupported-tokens,
        $new-tokens: md-comp-list-item.values($deps, $exclude-custom-properties: true),
        $renamed-tokens: _get-renamed-tokens($tokens)
    );

    @if not $exclude-custom-properties {
        @each $token, $value in $tokens {
            $tokens: map.set($tokens, $token, var(--md-menu-item-#{$token}, #{$value}));
        }
    }

    @return $tokens;
}

// remove list-item prefix from tokens
@function _get-renamed-tokens($tokens) {
    $keys: map.keys($tokens);
    $renamed-tokens: ();

    @each $key in $keys {
        @each $prefix in ('list-item-', 'menu-list-item-') {
            @if string.index($key, $prefix) == 1 {
                $renamed-key: string.slice($key, string.length($prefix) + 1);
                $renamed-tokens: map.set($renamed-tokens, $key, $renamed-key);
            }
        }
    }

    @return $renamed-tokens;
}