//
// 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-shape';
@use './md-sys-state';
@use './v0_192/md-comp-switch';

$supported-tokens: (
    'disabled-handle-color',
    'disabled-handle-opacity',
    'disabled-icon-color',
    'disabled-icon-opacity',
    'disabled-selected-handle-color',
    'disabled-selected-handle-opacity',
    'disabled-selected-icon-color',
    'disabled-selected-icon-opacity',
    'disabled-selected-track-color',
    'disabled-track-color',
    'disabled-track-opacity',
    'disabled-track-outline-color',
    'focus-handle-color',
    'focus-icon-color',
    'focus-track-color',
    'focus-track-outline-color',
    'handle-color',
    'handle-height',
    'handle-shape',
    'handle-shape-end-end',
    'handle-shape-end-start',
    'handle-shape-start-end',
    'handle-shape-start-start',
    'handle-width',
    'hover-handle-color',
    'hover-icon-color',
    'hover-state-layer-color',
    'hover-state-layer-opacity',
    'hover-track-color',
    'hover-track-outline-color',
    'icon-color',
    'icon-size',
    'pressed-handle-color',
    'pressed-handle-height',
    'pressed-handle-width',
    'pressed-icon-color',
    'pressed-state-layer-color',
    'pressed-state-layer-opacity',
    'pressed-track-color',
    'pressed-track-outline-color',
    'selected-focus-handle-color',
    'selected-focus-icon-color',
    'selected-focus-track-color',
    'selected-handle-color',
    'selected-handle-height',
    'selected-handle-width',
    'selected-hover-handle-color',
    'selected-hover-icon-color',
    'selected-hover-state-layer-color',
    'selected-hover-state-layer-opacity',
    'selected-hover-track-color',
    'selected-icon-color',
    'selected-icon-size',
    'selected-pressed-handle-color',
    'selected-pressed-icon-color',
    'selected-pressed-state-layer-color',
    'selected-pressed-state-layer-opacity',
    'selected-pressed-track-color',
    'selected-track-color',
    'state-layer-shape',
    'state-layer-size',
    'touch-target-size',
    'track-color',
    'track-height',
    'track-outline-color',
    'track-outline-width',
    'track-shape',
    'track-shape-end-end',
    'track-shape-end-start',
    'track-shape-start-end',
    'track-shape-start-start',
    'track-width',
    'with-icon-handle-height',
    'with-icon-handle-width'
);

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

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

@function values($deps: $_default, $exclude-hardcoded-values: false, $exclude-custom-properties: false) {
    $tokens: md-comp-switch.values($deps, $exclude-hardcoded-values);
    $new-tokens: shape.get-new-logical-shape-tokens($tokens, 'handle-shape', 'track-shape');
    $new-tokens: map.merge(
        $new-tokens,
        (
            'touch-target-size': if($exclude-hardcoded-values, null, 48px),
        )
    );

    $tokens: validate.values(
        $tokens,
        $supported-tokens: $supported-tokens,
        $unsupported-tokens: $unsupported-tokens,
        $new-tokens: $new-tokens,
        $renamed-tokens: (
            // Remove default "unselected" prefix (b/292244480)
            'disabled-unselected-handle-color': 'disabled-handle-color',
            'disabled-unselected-handle-opacity': 'disabled-handle-opacity',
            'disabled-unselected-icon-color': 'disabled-icon-color',
            'disabled-unselected-icon-opacity': 'disabled-icon-opacity',
            'disabled-unselected-track-color': 'disabled-track-color',
            'disabled-unselected-track-outline-color': 'disabled-track-outline-color',
            'unselected-focus-handle-color': 'focus-handle-color',
            'unselected-focus-icon-color': 'focus-icon-color',
            'unselected-focus-state-layer-color': 'focus-state-layer-color',
            'unselected-focus-state-layer-opacity': 'focus-state-layer-opacity',
            'unselected-focus-track-color': 'focus-track-color',
            'unselected-focus-track-outline-color': 'focus-track-outline-color',
            'unselected-handle-color': 'handle-color',
            'unselected-handle-height': 'handle-height',
            'unselected-handle-width': 'handle-width',
            'unselected-hover-handle-color': 'hover-handle-color',
            'unselected-hover-icon-color': 'hover-icon-color',
            'unselected-hover-state-layer-color': 'hover-state-layer-color',
            'unselected-hover-state-layer-opacity': 'hover-state-layer-opacity',
            'unselected-hover-track-color': 'hover-track-color',
            'unselected-hover-track-outline-color': 'hover-track-outline-color',
            'unselected-icon-color': 'icon-color',
            'unselected-icon-size': 'icon-size',
            'unselected-pressed-handle-color': 'pressed-handle-color',
            'unselected-pressed-icon-color': 'pressed-icon-color',
            'unselected-pressed-state-layer-color': 'pressed-state-layer-color',
            'unselected-pressed-state-layer-opacity': 'pressed-state-layer-opacity',
            'unselected-pressed-track-color': 'pressed-track-color',
            'unselected-pressed-track-outline-color': 'pressed-track-outline-color',
            'unselected-track-color': 'track-color',
            'unselected-track-outline-color': 'track-outline-color'
        )
    );

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

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

    @return $tokens;
}