namespace _zeitbild.frontend_web.pages.overview
{
	
	/**
	 */
	lib_plankton.zoo_page.register(
		"overview",
		async (parameters, target_element) => {
			target_element.innerHTML = await _zeitbild.frontend_web.helpers.template_coin(
				"overview",
				"default",
				{
				}
			);
			// sources
			{
				const data : Array<
					{
						id : _zeitbild.frontend_web.type.calendar_id;
						name : string;
						access_level : _zeitbild.frontend_web.type.enum_access_level;
					}
				> = await _zeitbild.frontend_web.backend.calendar_list(
				);
				const widget_sources = new _zeitbild.frontend_web.widgets.sources.class_widget_sources(
					data,
					{
						"action_select": (entry) => {
							switch (entry.access_level) {
								case _zeitbild.frontend_web.type.enum_access_level.none: {
									throw (new Error("this event should not be visible"));
									break;
								}
								case _zeitbild.frontend_web.type.enum_access_level.edit:
								case _zeitbild.frontend_web.type.enum_access_level.view: {
									lib_plankton.zoo_page.set(
										{
											"name": "calendar_edit",
											"parameters": {
												"read_only": "yes",
												"calendar_id": entry.id,
											}
										}
									);
									break;
								}
								case _zeitbild.frontend_web.type.enum_access_level.admin: {
									lib_plankton.zoo_page.set(
										{
											"name": "calendar_edit",
											"parameters": {
												"read_only": "no",
												"calendar_id": entry.id,
											}
										}
									);
									break;
								}			
							}
						},
					}
				);
				await widget_sources.load(target_element.querySelector("#overview-pane-left"));
			}
			// weekview
			{
				const widget_weekview = new _zeitbild.frontend_web.widgets.weekview.class_widget_weekview(
					(from_pit, to_pit, calendar_ids) => _zeitbild.frontend_web.backend.events(
						from_pit,
						to_pit,
						{
							"calendar_ids": calendar_ids,
						}
					),
					{
						"action_select_day": (date) => {
							lib_plankton.zoo_page.set(
								{
									"name": "event_add",
									"parameters": {
										"calendar_id": null,
										"year": date.year,
										"month": date.month,
										"day": date.day,
									}
								}
							);
						},
						"action_select_event": (calendar_id, access_level, event_id) => {
							switch (access_level) {
								case _zeitbild.frontend_web.type.enum_access_level.none: {
									throw (new Error("this event should not be visible"));
									break;
								}
								case _zeitbild.frontend_web.type.enum_access_level.view: {
									lib_plankton.zoo_page.set(
										{
											"name": "event_edit",
											"parameters": {
												"read_only": "yes",
												"calendar_id": calendar_id,
												"event_id": event_id,
											}
										}
									);
									break;
								}
								case _zeitbild.frontend_web.type.enum_access_level.edit:
								case _zeitbild.frontend_web.type.enum_access_level.admin: {
									lib_plankton.zoo_page.set(
										{
											"name": "event_edit",
											"parameters": {
												"read_only": "no",
												"calendar_id": calendar_id,
												"event_id": event_id,
											}
										}
									);
									break;
								}
							}
						}
					}
				);
				await widget_weekview.load(target_element.querySelector("#overview-pane-right"));
			}
			return Promise.resolve<void>(undefined);
		},
	);

}