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

@use 'sass:map';
@use 'sass:string';
@use './internal/shape';
@use './internal/validate';
@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-extended-fab-branded';
@use './v0_192/md-comp-fab-branded';
@use './v0_192/md-comp-fab-branded-large';

$supported-tokens: (
    'container-color',
    'container-elevation',
    'container-height',
    'container-shadow-color',
    'container-shape',
    'container-shape-end-end',
    'container-shape-end-start',
    'container-shape-start-end',
    'container-shape-start-start',
    'container-width',
    'focus-container-elevation',
    'focus-label-text-color',
    'hover-container-elevation',
    'hover-label-text-color',
    'hover-state-layer-color',
    'hover-state-layer-opacity',
    'icon-size',
    'label-text-color',
    'label-text-font',
    'label-text-line-height',
    'label-text-size',
    'label-text-weight',
    'large-container-height',
    'large-container-shape',
    'large-container-shape-end-end',
    'large-container-shape-end-start',
    'large-container-shape-start-end',
    'large-container-shape-start-start',
    'large-container-width',
    'large-icon-size',
    'lowered-container-color',
    'lowered-container-elevation',
    'lowered-focus-container-elevation',
    'lowered-hover-container-elevation',
    'lowered-pressed-container-elevation',
    'pressed-container-elevation',
    'pressed-label-text-color',
    'pressed-state-layer-color',
    'pressed-state-layer-opacity'
);

// prettier-ignore
$unsupported-tokens: (
    'focus-state-layer-color',
    'focus-state-layer-opacity'
);

$_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 _get-new-tokens($deps, $exclude-hardcoded-values) {
    $large-tokens: md-comp-fab-branded-large.values($deps, $exclude-hardcoded-values);
    $extended-branded-tokens: md-comp-extended-fab-branded.values($deps, $exclude-hardcoded-values);

    @return (
        'focus-label-text-color': map.get($extended-branded-tokens, 'focus-label-text-color'),
        'hover-label-text-color': map.get($extended-branded-tokens, 'hover-label-text-color'),
        'label-text-color': map.get($extended-branded-tokens, 'label-text-color'),
        'label-text-font': map.get($extended-branded-tokens, 'label-text-font'),
        'label-text-size': map.get($extended-branded-tokens, 'label-text-size'),
        'label-text-line-height': map.get($extended-branded-tokens, 'label-text-line-height'),
        'label-text-weight': map.get($extended-branded-tokens, 'label-text-weight'),
        'large-container-height': map.get($large-tokens, 'container-height'),
        'large-container-shape': map.get($large-tokens, 'container-shape'),
        'large-container-width': map.get($large-tokens, 'container-width'),
        'large-icon-size': map.get($large-tokens, 'icon-size'),
        'pressed-label-text-color': map.get($extended-branded-tokens, 'pressed-label-text-color')
    );
}

@function values($deps: $_default, $exclude-hardcoded-values: false, $exclude-custom-properties: false) {
    $tokens: md-comp-fab-branded.values($deps, $exclude-hardcoded-values);
    $new-tokens: _get-new-tokens($deps, $exclude-hardcoded-values);
    $new-tokens: map.merge($new-tokens, shape.get-new-logical-shape-tokens($tokens, 'container-shape'));
    $new-tokens: map.merge($new-tokens, shape.get-new-logical-shape-tokens($new-tokens, 'large-container-shape'));

    $tokens: validate.values($tokens, $supported-tokens: $supported-tokens, $unsupported-tokens: $unsupported-tokens, $new-tokens: $new-tokens);

    @if not $exclude-custom-properties {
        @each $token, $value in $tokens {
            $shape-tokens: ('container-shape', 'large-container-shape');
            @each $shape-token in $shape-tokens {
                @if string.index($token, '#{$shape-token}-') == 1 {
                    // Add fallback to shorthand for logical shape properties.
                    $value: var(--md-fab-branded-#{$shape-token}, #{$value});
                }
            }

            $tokens: map.set($tokens, $token, var(--md-fab-branded-#{$token}, #{$value}));
        }
    }

    @return $tokens;
}