namespace _zeitbild.api
{
	
	/**
	 */
	export function register_calendar_list(
		rest_subject : lib_plankton.rest.type_rest
	) : void
	{
		register<
			{
				name : string;
				access : {
					default_level : ("none" | "view" | "edit" | "admin");
					attributed : Array<
						{
							user_id : int;
							level : ("none" | "view" | "edit" | "admin");
						}
					>;
				};
				resource : (
					{
						kind : "local";
						data : {
						};
					}
					|
					{
						kind : "caldav";
						data : {
							url : string;
							read_only : boolean;
						};
					}
				);
			},
			int
		>(
			rest_subject,
			lib_plankton.http.enum_method.post,
			"/calendar/add",
			{
				"description": "erstellt einen Kalender",
				"output_schema": () => ({
					"nullable": true,
					"type": "integer",
				}),
				"restriction": restriction_logged_in,
				"execution": async (stuff) => {
					const session : {key : string; value : lib_plankton.session.type_session;} = await session_from_stuff(stuff);
					const user_id : _zeitbild.type_user_id = await _zeitbild.service.user.identify(session.value.name);
					
					// TODO move logic to calendar service
					const resource_object : _zeitbild.type_resource_object = (
						{
							"local": {
								"kind": "local",
								"data": {
									"events": [],
								}
							},
							"caldav": {
								"kind": "caldav",
								"data": {
									"url": stuff.input.resource.data.url,
									"read_only": stuff.input.resource.data.read_only,
								}
							},
						}[stuff.input.resource.kind]
					);
					const resource_id : _zeitbild.type_resource_id = _zeitbild.service.resource.add(
						resource_object
					);
					const calendar_object : _zeitbild.type_calendar_object = {
						"name": stuff.input.name,
						"access": {
							"default_level": _zeitbild.value_object.access_level.from_string(stuff.input.access.default_level),
							"attributed": lib_plankton.map.hashmap.make(
								x => x.toFixed(0),
								{
									"pairs": (
										stuff.input.access.attributed
										.map(
											(entry) => ({
												"key": entry.user_id,
												"value": _zeitbild.value_object.access_level.from_string(entry.level),
											})
										)
										.concat(
											[
												{
													"key": user_id,
													"value": _zeitbild.enum_access_level.admin,
												}
											]
										)
									),
								}
							)
						},
						"resource_id": resource_id
					};
					return (
						_zeitbild.service.calendar.add(calendar_object)
						.then(
							(calendar_id : _zeitbild.type_calendar_id) => Promise.resolve({
								"status_code": 200,
								"data": calendar_id,
							})
						)
					);
				}
			}
		);
	}
	
}