utils.js

import GLib from 'gi://GLib';
import Adw from 'gi://Adw';
import Gtk from 'gi://Gtk';

export function rand(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.floor(Math.random() * (max - min) + min);
}

export function timeMs() {
    return GLib.get_monotonic_time() / 1_000;
}

export function bindSwitch(settings, key, row) {
    row.active = settings.get_boolean(key);
    row.connect('notify::active', () => {
        settings.set_boolean(key, row.active) 
    });
    settings.connect(`changed::${key}`, () => { 
        row.active = settings.get_boolean(key); 
    });
}

export function bindSpin(settings, key, row) {
    row.value = settings.get_int(key);
    row.connect('notify::value', () => {
        settings.set_int(key, row.value) 
    });
    settings.connect(`changed::${key}`, () => { 
        row.value = settings.get_int(key); 
    });
}

export function makeSpinRow({ title, subtitle, lower, upper, step = 1, page = 10 }) {
    return new Adw.SpinRow({
        title,
        subtitle,
        adjustment: new Gtk.Adjustment({ 
            lower, upper, 
            step_increment: step, 
            page_increment: page, value: 0 
        }),
    });
}

export function makeChannelRow(settings, group, label, minKey, maxKey) {
    const row = new Adw.ActionRow({ title: `${label} Range` });

    const makeSpin = (key) => {
        const spin = new Gtk.SpinButton({
            adjustment: new Gtk.Adjustment({
                lower: 0, upper: 255, step_increment: 1, page_increment: 16,
                value: settings.get_int(key),
            }),
            valign: Gtk.Align.CENTER,
            width_request: 80,
        });
        spin.connect('value-changed', () => settings.set_int(key, spin.value));
        settings.connect(`changed::${key}`, () => { spin.value = settings.get_int(key); });
        return spin;
    };

    row.add_suffix(makeSpin(minKey));
    row.add_suffix(new Gtk.Label({ label: '–', margin_start: 6, margin_end: 6 }));
    row.add_suffix(makeSpin(maxKey));
    group.add(row);
    return row;
}