//
// Copyright 2022 Google LLC
// SPDX-License-Identifier: Apache-2.0
//
// [Modified by Sandlada & Kai Orion]
//
// Copyright 2025 Sandlada & Kai Orion
// SPDX-License-Identifier: MIT
//

@use 'sass:map';
@use '../../../themes';
@use '../../../tokens';

$_custom-property-prefix: 'filled-tonal-icon-button';

@mixin styles() {
    $tokens: tokens.md-comp-filled-tonal-icon-button-values();

    & {
        // Only use the logical properties.
        $tokens: map.remove($tokens, 'container-shape');

        @each $token, $value in $tokens {
            --_#{$token}: #{$value};
        }

        @include themes.md-comp-ripple-theme(
            (
                hover-color: var(--_hover-state-layer-color),
                hover-opacity: var(--_hover-state-layer-opacity),
                pressed-color: var(--_pressed-state-layer-color),
                pressed-opacity: var(--_pressed-state-layer-opacity),
            )
        );
    }

    & {
        color: var(--_icon-color);

        &:hover {
            color: var(--_hover-icon-color);
        }

        &:focus {
            color: var(--_focus-icon-color);
        }

        &:active {
            color: var(--_pressed-icon-color);
        }

        &:is(:disabled, .disabled, [disabled]) {
            color: var(--_disabled-icon-color);
        }
    }

    & .background {
        // Background color, separate node for opacity changes
        background-color: var(--_container-color);
        border-radius: inherit;
        inset: 0;
        position: absolute;
        z-index: -1; // place behind content
    }

    &:is(:disabled, .disabled, [disabled]) .background {
        background-color: var(--_disabled-container-color);
        opacity: var(--_disabled-container-opacity);
    }

    &:is(:disabled, .disabled, [disabled]) .icon {
        opacity: var(--_disabled-icon-opacity);
    }

    &.toggle-icon-button {
        &:not(:is(:disabled, .disabled, [disabled])) {
            color: var(--_toggle-icon-color);

            &:hover {
                color: var(--_toggle-hover-icon-color);
            }

            &:focus {
                color: var(--_toggle-focus-icon-color);
            }

            &:active {
                color: var(--_toggle-pressed-icon-color);
            }
        }

        @include themes.md-comp-ripple-theme(
            (
                hover-color: var(--_toggle-hover-state-layer-color),
                pressed-color: var(--_toggle-pressed-state-layer-color),
            )
        );
    }

    &.toggle-icon-button:not(.disabled) .background,
    &.toggle-icon-button:not(:is(:disabled, .disabled, [disabled])) .background {
        // Note: filled tonal icon buttons have three container colors,
        // "container-color" for regular, then selected/unselected for toggle.
        background-color: var(--_unselected-container-color);
    }

    &.selected {
        &:not(:is(:disabled, .disabled, [disabled])) {
            color: var(--_toggle-selected-icon-color);

            &:hover {
                color: var(--_toggle-selected-hover-icon-color);
            }

            &:focus {
                color: var(--_toggle-selected-focus-icon-color);
            }

            &:active {
                color: var(--_toggle-selected-pressed-icon-color);
            }
        }

        @include themes.md-comp-ripple-theme(
            (
                hover-color: var(--_toggle-selected-hover-state-layer-color),
                pressed-color: var(--_toggle-selected-pressed-state-layer-color),
            )
        );
    }

    &.selected:not(:is(:disabled, .disabled, [disabled])) .background {
        background-color: var(--_selected-container-color);
    }
}