import { err, ok, type CommandContext } from "@tailor-platform/erp-kit/core";
import { update } from "../domain/salesItem";
import type { Transaction } from "../generated/kysely-tailordb";
import { ItemNotSellableError } from "../lib/errors.generated";
import {
  createSalesItemRepository,
  type SalesItemRepository,
} from "../repository/salesItemRepository";

export interface UpdateSalesItemInput {
  itemId: string;
  requiresPhysicalFulfillment?: boolean;
}

export async function run<CF extends Record<string, unknown>>(
  db: Transaction,
  input: UpdateSalesItemInput & Partial<CF>,
  _ctx: CommandContext,
  repositoryFactory: (db: Transaction) => SalesItemRepository = createSalesItemRepository,
) {
  const { itemId, requiresPhysicalFulfillment, ...customFields } = input;

  const repository = repositoryFactory(db);
  const salesItem = await repository.findByItemId(itemId, { forUpdate: true });
  if (!salesItem) {
    return err(new ItemNotSellableError(itemId));
  }

  const updated = update(salesItem, { requiresPhysicalFulfillment, customFields });

  await repository.save(updated);
  return ok({ salesItemId: updated.id });
}