// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0

import { CosmicFontSettings, CosmicPalette } from "styling.slint";
import { StateLayer } from "components.slint";

export component Switch {
    in property <bool> enabled: true;
    in property <string> text;
    in-out property <bool> checked;
    out property <bool> has-focus: state-layer.has-focus;

    callback toggled;

    private property <color> text-color: CosmicPalette.foreground;

    function toggle-checked() {
        if(!root.enabled) {
            return;
        }

        root.checked = !root.checked;
        root.toggled();
    }

    min-width: 48px;
    min-height: max(24px, layout.min-height);
    vertical-stretch: 0;
    horizontal-stretch: 0;
    accessible-enabled: root.enabled;
    accessible-label: root.text;
    accessible-checkable: true;
    accessible-checked <=> root.checked;
    accessible-role: switch;
    accessible-action-default => {
        root.checked = !root.checked;
        root.toggled();
    }
    forward-focus: state-layer;

    states [
        disabled when !root.enabled : {
            opacity: 0.5;
        }
    ]

    touch-area := TouchArea {
        enabled <=> root.enabled;

        clicked => {
            state-layer.clicked();
        }
    }

    layout := HorizontalLayout {
        spacing: 12px;

        VerticalLayout {
            alignment: center;

          Rectangle {
                width: 48px;
                height: 24px;

                background := Rectangle {
                    border-radius: 12px;
                    background: CosmicPalette.neutral-5-background;
                }

                thumb := Rectangle {
                    x: root.checked ? parent.width - self.width - 2px : 2px;
                    y: (parent.height - self.height) / 2;
                    width: 20px;
                    height: self.width;
                    border-radius: self.height / 2;
                    background: CosmicPalette.accent-foreground;
                }

                state-layer := StateLayer {
                    border-radius: background.border-radius;

                    clicked => {
                        if (root.enabled) {
                            root.checked = !root.checked;
                            root.toggled();
                        }
                    }
                }
            }

            states [
                selected when root.checked : {
                    background.background: CosmicPalette.accent-background;
                }
            ]
        }

        if (root.text != "") : Text {
            text: root.text;
            color: root.text-color;
            font-size: CosmicFontSettings.body.font-size;
            font-weight: CosmicFontSettings.body.font-weight;
            vertical-alignment: center;
            horizontal-alignment: left;
        }
    }
}