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// Copyright 2025 Shota FUJI
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
//
// SPDX-License-Identifier: MPL-2.0

using GLib;

namespace TimeTracker.Widget {
	private class ActiveTimersView : Gtk.Box {
		public Model.Model model { get; construct; }

		private NewTimerForm form = new NewTimerForm();

		private Adw.StatusPage empty = new Adw.StatusPage() {
			title = "No active timers",
			description = "Type timer name in to bottom input and press start",
			hexpand = true,
			hexpand_set = true,
			vexpand = true,
			// This widget steals focus.
			sensitive = false,
		};

		private Gtk.ScrolledWindow body = new Gtk.ScrolledWindow() {
			vexpand = true,
		};

		public ActiveTimersView(Model.Model model) {
			Object(model: model, orientation: Gtk.Orientation.VERTICAL, spacing: 4);
		}

		construct {
			this.append(body);
			this.append(empty);

			var list = new TimerList(model.active_timers);
			list.stop.connect((timer) => {
				model.update(new Event.TimerStopped(timer.id));
			});
			body.child = list;

			form.create.connect((title) => {
				model.update(new Event.TimerStarted(title));
			});
			this.append(form);

			model.active_timers.notify["n-items"].connect(() => {
				on_item_count_changed();
			});
			on_item_count_changed();
		}

		private void on_item_count_changed() {
			var has_items = model.active_timers.get_n_items() > 0;
			form.primary = !has_items;
			body.visible = has_items;
			empty.visible = !has_items;
		}
	}
}