namespace _zeitbild.api
{
	
	/**
	 */
	export function register_davina_event_list(
		rest_subject : lib_plankton.rest_caldav.type_rest
	) : void
	{
		register<
			null,
			(
				Array<
					{
						event_id : (null | int);
						event_name : string;
					}
				>
				|
				string
			)
		>(
			rest_subject,
			lib_plankton.http.enum_method.get,
			"/davina/event_list",
			{
				"query_parameters": () => ([
					{
						"name": "username",
						"required": true,
						"description": "user name",
					},
					{
						"name": "calendar_id",
						"required": true,
						"description": "calendar ID",
					},
				]),
				"output_schema": () => ({
					"type": "array",
					"items": {
						"nullable": false,
						"type": "object",
						"additionalProperties": false,
						"properties": {
							"event_id": {
								"nullable": true,
								"type": "number",
							},
							"event_name": {
								"nullable": false,
								"type": "string",
							},
						},
						"required": [
							"event_id",
							"event_name",
						],
					}
				}),
				/**
				 * @todo
				 */
				"restriction": restriction_none,
				"execution": async (stuff) => {
					const username : string = stuff.query_parameters["username"];
					const user_id : _zeitbild.type_user_id = await _zeitbild.service.user.identify(username);
					
					/**
					 * @todo
					 */
					const from : lib_plankton.pit.type_pit = 0;
					const to : lib_plankton.pit.type_pit = 1800000000;
					const calendar_id : int = parseInt(stuff.query_parameters["calendar_id"]);
					
					return (
						_zeitbild.service.calendar.gather_events(
							[calendar_id],
							from,
							to,
							user_id
						)
						.then(
							(data) => Promise.resolve(
								{
									"status_code": 200,
									"data": (
										data
										.map(
											(entry) => ({
												"event_id": entry.event_id,
												"event_name": entry.event_object.name,
											})
										)
									),
								}
							)
						)
						.catch(
							(reason) => Promise.resolve(
								{
									"status_code": 403,
									"data": String(reason),
								}
							)
						)
					);
				}
			}
		);
	}
	
}