namespace _zeitbild.api
{
	
	/**
	 */
	export function register_events(
		rest_subject : lib_plankton.rest.type_rest
	) : void
	{
		register<
			{
				from : int;
				to : int;
				calendar_ids : (
					null
					|
					Array<_zeitbild.type.calendar_id>
				);
			},
			Array<
				{
					calendar_id : int;
					event : _zeitbild.type.event_object;
				}
			>
		>(
			rest_subject,
			lib_plankton.http.enum_method.post,
			"/events",
			{
				"description": "stellt Veranstaltungen aus verschiedenen Kalendern zusammen",
				"query_parameters": [
				],
				"input_schema": () => ({
					"type": "object",
					"nullable": false,
					"additionalProperties": false,
					"properties": {
						"from": {
							"type": "number",
							"nullable": false,
						},
						"to": {
							"type": "number",
							"nullable": false,
						},
						"calendar_id": {
							"type": "array",
							"nullable": false,
							"items": {
								"type": "number",
								"nullable": false
							}
						}
					},
					"required": [
						"from",
						"to",
					]
				}),
				"output_schema": () => ({
					"type": "array",
					"items": {
						"type": "object",
						"nullable": false,
						"additionalProperties": false,
						"properties": {
							"calendar_id": {
								"type": "number",
								"nullable": false,
							},
							"event": {
								"type": "object",
								"additionalProperties": false,
								"properties": {
									"name": {
										"type": "string",
										"nullable": false,
									},
									"begin": {
										"type": "int",
										"nullable": false,
									},
									"end": {
										"type": "int",
										"nullable": true,
									},
									"location": {
										"type": "string",
										"nullable": true,
									},
									"description": {
										"type": "string",
										"nullable": true,
									},
								},
								"required": [
									"name",
									"begin",
									"end",
									"location",
									"description",
								]
							}
						},
						"required": [
							"calendar_id",
							"event",
						],
					}
				}),
				"restriction": restriction_none, // TODO
				"execution": (stuff) => {
					if (stuff.input === null) {
						return Promise.resolve({
							"status_code": 400,
							"data": null,
						});
					}
					else {
						return (
							(
								(stuff.input.calendar_ids !== null)
								?
								Promise.resolve(stuff.input.calendar_ids)
								:
								(
									_zeitbild.service.calendar.overview(0) // TODO: user_id
									.then(
										(x : any) => x.map((y : any) => y.id)
									)
								)
							)
							.then(
								(calendar_ids : Array<_zeitbild.type.calendar_id>) => _zeitbild.service.calendar.gather_events(
									calendar_ids,
									// @ts-ignore
									stuff.input.from,
									// @ts-ignore
									stuff.input.to
								)
							)
							.then(
								(data : any) => Promise.resolve({
									"status_code": 200,
									"data": data,
								})
							)
						);
					}
				}
			}
		);
	}
	
}