import Gdk from 'gi://Gdk?version=3.0';
const audio = await Service.import("audio");
import { openMenu } from "../utils.js";
import options from "options";
import { Binding } from 'lib/utils.js';
import { VolumeIcons } from 'lib/types/volume.js';

const Volume = () => {
    const icons: VolumeIcons = {
        101: "󰕾",
        66: "󰕾",
        34: "󰖀",
        1: "󰕿",
        0: "󰝟",
    };

    const getIcon = () => {
        const icon: Binding<number> = Utils.merge(
            [audio.speaker.bind("is_muted"), audio.speaker.bind("volume")],
            (isMuted, vol) => {
                return isMuted
                    ? 0
                    : [101, 66, 34, 1, 0].find((threshold) => threshold <= vol * 100) || 101;
            },
        );

        return icon.as((i: number) => i !== undefined ? icons[i] : icons[101]);
    };

    const volIcn = Widget.Label({
        hexpand: true,
        label: getIcon(),
        class_name: "bar-button-icon volume txt-icon bar",
    });

    const volPct = Widget.Label({
        hexpand: true,
        label: audio.speaker.bind("volume").as((v) => `${Math.round(v * 100)}%`),
        class_name: "bar-button-label volume",
    });

    return {
        component: Widget.Box({
            hexpand: true,
            vexpand: true,
            className: Utils.merge([options.theme.bar.buttons.style.bind("value"), options.bar.volume.label.bind("value")], (style, showLabel) => {
                const styleMap = {
                    default: "style1",
                    split: "style2",
                    wave: "style3",
                    wave2: "style3",
                };

                return `volume ${styleMap[style]} ${!showLabel ? "no-label" : ""}`;
            }),
            children: options.bar.volume.label.bind("value").as((showLabel) => {
                if (showLabel) {
                    return [volIcn, volPct];
                }
                return [volIcn];
            }),
        }),
        isVisible: true,
        boxClass: "volume",
        props: {
            on_primary_click: (clicked: any, event: Gdk.Event) => {
                openMenu(clicked, event, "audiomenu");
            },
        },
    };
};

export { Volume };