import { err, ok, type ReadonlyDB } from "@tailor-platform/erp-kit/core";
import type { DB } from "../generated/kysely-tailordb";
import { ReportedBlockNotFoundError } from "../lib/errors.generated";

export interface GetReportedBlockInput {
  reportedBlockId: string;
}

/**
 * Function: getReportedBlock
 * Retrieves a single ReportedTimeBlock by id, whether current or superseded,
 * so historical declarations remain individually retrievable.
 */
export async function run(db: ReadonlyDB<DB>, input: GetReportedBlockInput) {
  const reportedBlock = await db
    .selectFrom("ReportedTimeBlock")
    .selectAll()
    .where("id", "=", input.reportedBlockId)
    .executeTakeFirst();

  if (!reportedBlock) {
    return err(new ReportedBlockNotFoundError(input.reportedBlockId));
  }

  return ok({ reportedBlock });
}