//
// 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-filled-icon-button';

$supported-tokens: (
    'container-color',
    'container-height',
    'container-shape',
    'container-shape-end-end',
    'container-shape-end-start',
    'container-shape-start-end',
    'container-shape-start-start',
    'container-width',
    'disabled-container-color',
    'disabled-container-opacity',
    'disabled-icon-color',
    'disabled-icon-opacity',
    'focus-icon-color',
    'hover-icon-color',
    'hover-state-layer-color',
    'hover-state-layer-opacity',
    'icon-color',
    'icon-size',
    'pressed-icon-color',
    'pressed-state-layer-color',
    'pressed-state-layer-opacity',
    'selected-container-color',
    'toggle-focus-icon-color',
    'toggle-hover-icon-color',
    'toggle-hover-state-layer-color',
    'toggle-icon-color',
    'toggle-pressed-icon-color',
    'toggle-pressed-state-layer-color',
    'toggle-selected-focus-icon-color',
    'toggle-selected-hover-icon-color',
    'toggle-selected-hover-state-layer-color',
    'toggle-selected-icon-color',
    'toggle-selected-pressed-icon-color',
    'toggle-selected-pressed-state-layer-color',
    // Note: filled icon buttons have three container colors,
    // "container-color" for regular, then selected/unselected for toggle.
    'unselected-container-color'
);

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

$_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) {
    $tokens: md-comp-filled-icon-button.values($deps, $exclude-hardcoded-values);
    $new-tokens: shape.get-new-logical-shape-tokens($tokens, 'container-shape');
    $tokens: validate.values(
        $tokens,
        $supported-tokens: $supported-tokens,
        $unsupported-tokens: $unsupported-tokens,
        $new-tokens: $new-tokens,
        $renamed-tokens: (
            // Remove default "unselected" prefix (b/292244480)
            'toggle-unselected-focus-icon-color': 'toggle-focus-icon-color',
            'toggle-unselected-hover-icon-color': 'toggle-hover-icon-color',
            'toggle-unselected-hover-state-layer-color': 'toggle-hover-state-layer-color',
            'toggle-unselected-icon-color': 'toggle-icon-color',
            'toggle-unselected-pressed-icon-color': 'toggle-pressed-icon-color',
            'toggle-unselected-pressed-state-layer-color': 'toggle-pressed-state-layer-color',
            'toggle-unselected-focus-state-layer-color': 'toggle-focus-state-layer-color'
        )
    );

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

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

    @return $tokens;
}