import Gio from 'gi://Gio'
import Meta from 'gi://Meta'
import Shell from 'gi://Shell'

import * as Main from '../main.js';
import * as RealmIndicator from './realmIndicator.js';
import * as RealmSwitcher from './realmSwitcher.js';
import * as RealmLabels from './realmLabels.js';

export const RealmManager = class {
    constructor() {

        this._realmIndicator = new RealmIndicator.RealmPanelIndicator();
        Main.panel.addToStatusArea('RealmIndicator', this._realmIndicator);

        this._switchAction = Main.wm.addKeybinding('switch-realm',
            new Gio.Settings({ schema_id: "org.gnome.shell.keybindings"}),
            Meta.KeyBindingFlags.NONE,
            Shell.ActionMode.NORMAL,
            this._switchRealms.bind(this));

        this._switchActionBackward = Main.wm.addKeybinding('switch-realm-backward',
            new Gio.Settings({ schema_id: "org.gnome.shell.keybindings"}),
            Meta.KeyBindingFlags.IS_REVERSED,
            Shell.ActionMode.NORMAL,
            this._switchRealms.bind(this));

        const realms = Shell.Realms.get_default();
        realms.connect('realm-context-switched', () => {
            Main.overview.dash._queueRedisplay();
            this._realmIndicator.update();
        });
        realms.connect('notify::current-realm', () => {
            this._realmIndicator.update();
        });

        this._switchAnimation = new RealmSwitcher.ContextSwitchAnimationController(this._realmIndicator);
        this.labelManager = new RealmLabels.RealmLabelManager();
    }

    createRealmLabelForApp(app) {
        let realmName = app.get_realm_name();
        if (this.labelManager.appIconLabelsEnabled() && realmName) {
            return this.labelManager.createAppIconLabelForRealm(realmName);
        } else {
            return null;
        }
    }

    appIconLabelsEnabled() {
        return this.labelManager.appIconLabelsEnabled();
    }

    animateSwitch(from, to, onComplete) {
        this._switchAnimation.animateSwitch(from, to, onComplete);
    }

    _switchRealms(display, window, binding) {
        let popup = new RealmSwitcher.SwitchRealmPopup(this._switchAction, this._switchActionBackward);
        if (!popup.show(binding.is_reversed(), binding.get_name(), binding.get_mask()))
            popup.fadeAndDestroy();
    }
};