import { err, ok, type CommandContext } from "@tailor-platform/erp-kit/core";
import { submit, validateSupplier } from "../domain/purchaseOrder";
import type { Transaction } from "../generated/kysely-tailordb";
import { PurchaseOrderNotFoundError } from "../lib/errors.generated";
import type { BusinessPartnerQueries } from "../module";
import {
  createPurchaseOrderRepository,
  type PurchaseOrderRepository,
} from "../repository/purchaseOrderRepository";

export interface SubmitPurchaseOrderInput {
  id: string;
}

export async function run(
  db: Transaction,
  input: SubmitPurchaseOrderInput,
  ctx: CommandContext,
  supplierAccountQueries: Pick<BusinessPartnerQueries, "getSupplierAccount">,
  repositoryFactory: (db: Transaction) => PurchaseOrderRepository = createPurchaseOrderRepository,
) {
  const repository = repositoryFactory(db);
  const order = await repository.findById(input.id, { forUpdate: true });
  if (!order) {
    return err(new PurchaseOrderNotFoundError(input.id));
  }

  const submitted = submit(order);
  if (!submitted.ok) {
    return submitted;
  }

  const { account } = (
    await supplierAccountQueries.getSupplierAccount(
      db,
      { supplierAccountId: order.header.supplierAccountId },
      ctx,
    )
  ).value;
  const supplier = validateSupplier(
    order.header.supplierAccountId,
    order.header.companyId,
    account,
  );
  if (!supplier.ok) return supplier;
  await repository.save(submitted.value);
  return ok({ purchaseOrderId: submitted.value.id });
}