// Import dce-reactkit
import { genRouteHandler, ParamType } from '../../../../dce-reactkit';

// Import types
import Router from '../../../types/Router';

// Import shared types
import Occurrence from '../../../shared/types/Occurrence';

// Import shared helpers
import findOccurrence from '../../../shared/helpers/findOccurrence';

/**
 * Endpoint for retrieving an occurrence,
 * expects an occurrenceId generated from OccurrenceBasicInfo.
 * @author Benedikt Arnarsson
 * @param app the Express app which we are adding this endpoint to.
 */
const addGetOccurrenceRoute = (
  router: Router,
) => {
  /**
   * // TODO: add JSDoc
   */
  router.get(
    '',
    genRouteHandler({
      paramTypes: {
        occurrenceId: ParamType.String,
      },
      handler: async ({ params }): Promise<Occurrence> => {
        // Destructure params
        const { occurrenceId } = params;

        // Find occurrence
        const occurrence = await findOccurrence(occurrenceId);

        return occurrence;
      },
    }),
  );
};

export default addGetOccurrenceRoute;