export interface ApiItem<T> {
	created: string;
	deleted?: string;
	id: number;
	item?: T;
	modified: string;
}

export interface DatabaseEntry {
	created: Date;
	deleted: Date | null;
	id: number;
	modified: Date;
}

export function createdResponse<T extends DatabaseEntry>({ id }: T) {
	return { id };
}

export function itemResponse<T>(data: T & DatabaseEntry): ApiItem<T> {
	const { id, created, modified, deleted, ...rest } = data;
	const res: ApiItem<T> = {
		id: id,
		created: created.toISOString(),
		modified: modified.toISOString(),
	};

	if (deleted) {
		res.deleted = deleted.toISOString();
	}

	res.item = rest as T;

	return res;
}

export function itemsResponse<T>(data: (T & DatabaseEntry)[]): ApiItem<T>[] {
	const res: ApiItem<T>[] = [];
	for (const item of data) {
		res.push(itemResponse(item));
	}

	return res;
}