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// Copyright 2025 Shota FUJI
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0

namespace PlacGtkAdwaita {
namespace BrowseItem {
[GtkTemplate(ui = "/jp/pocka/plac/gtk-adwaita/ui/browse-item-navigation.ui")]
class Navigation : Gtk.Box {
	public signal void action_selected(Plac.Browse.Item item);
	public signal void actions_open();
	public signal void actions_close();

	[GtkChild]
	private unowned Gtk.Label title;

	[GtkChild]
	private unowned Gtk.Label subtitle;

	[GtkChild]
	private unowned Artwork artwork;

	[GtkChild]
	private unowned Gtk.Image icon;

	[GtkChild]
	private unowned Gtk.MenuButton action_menu;

	[GtkChild]
	private unowned Gtk.Popover action_menu_popover;

	[GtkChild]
	private unowned Gtk.ListBox action_menu_list;

	private bool is_popover_closed_by_submission = false;

	public Plac.Browse.Item item { get; construct; }

	public Plac.AsyncConnection? conn {
		get { return artwork.conn; }
		set construct { artwork.conn = value; }
	}

	public Navigation(Plac.Browse.Item item, Plac.AsyncConnection? conn = null) {
		Object(item: item, conn: conn);
	}

	construct {
		title.label = item.title;
		if (item.subtitle != null) {
			subtitle.label = item.subtitle;
			subtitle.visible = true;
		}

		if (item.image_key != null) {
			artwork.conn = conn;
			artwork.image_key = item.image_key;
			artwork.visible = true;
		}

		switch (item.hint) {
		case LIST:
			icon.icon_name = "go-next-symbolic";
			break;
		case ACTION_LIST:
			icon.visible = false;
			action_menu.visible = true;
			break;
		default:
			icon.visible = false;
			break;
		}

		action_menu_list.row_activated.connect((row) => {
					is_popover_closed_by_submission = true;
					var action_row = (ActionRow) row;
					item = action_row.item;
					action_selected(item);
				});

		action_menu_popover.show.connect(() => {
					is_popover_closed_by_submission = false;
					actions_open();
				});

		action_menu_popover.closed.connect(() => {
					if (!is_popover_closed_by_submission) {
						actions_close();
					}
				});
	}

	public void open_actions() {
		action_menu.popup();
	}

	public void set_action_items(Plac.Browse.ListAction list) {
		action_menu_list.remove_all();
		bool set_focus = false;
		foreach (var item in list.items) {
			var row = new ActionRow(item);
			action_menu_list.append(row);
			if (!set_focus) {
				row.grab_focus();
				set_focus = true;
			}
		}
	}
}

class ActionRow : Gtk.ListBoxRow {
	private Gtk.Label label;

	public Plac.Browse.Item item { get; construct set; }

	public ActionRow(Plac.Browse.Item item) {
		Object(item: item);
	}

	construct {
		label = new Gtk.Label(item.title);
		this.child = label;
		this.activatable = true;
	}
}
}
}