import { createContext, DomainError } from "@tailor-platform/erp-kit/app";
import { createResolver, t } from "@tailor-platform/sdk";
import { getDB } from "@/generated/kysely-tailordb";
import { invModulesExport } from "@/modules";

export default createResolver({
  name: "openTransferOrder",
  operation: "mutation",
  input: {
    id: t.string().description("Transfer order ID"),
  },
  body: async (context) => {
    const ctx = createContext(context);
    const db = getDB("main-db");
    return db
      .transaction()
      .execute(async (trx) => {
        const result = await invModulesExport.commands.openTransferOrder(
          trx,
          { id: context.input.id },
          ctx,
        );

        if (!result.ok) {
          switch (result.error.code) {
            case "INVENTORY_TRANSFER_ORDER_NOT_FOUND":
              throw new DomainError(`Transfer order not found: ${context.input.id}`);
            case "INVENTORY_INVALID_STATE_TRANSITION":
              throw new DomainError(
                `Transfer order cannot be opened in its current status: ${context.input.id}`,
              );
            case "INVENTORY_INSUFFICIENT_AVAILABLE_STOCK":
              throw new DomainError(
                "Cannot open this transfer order: one or more lines request " +
                  "more than the stock available at the source site.",
              );
            case "INVENTORY_EMPTY_TRANSFER_LINES":
              throw new DomainError("The transfer order has no lines to open.");
            case "UNAUTHENTICATED":
              throw new DomainError("Authentication is required");
            case "INSUFFICIENT_PERMISSION":
              throw new DomainError("You do not have permission to perform this action");
            default:
              throw result.error satisfies never;
          }
        }

        return {
          id: result.value.transferOrder.id,
          status: result.value.transferOrder.status,
        };
      })
      .catch((err: unknown) => {
        if (err instanceof DomainError) throw err;
        throw new Error("Failed to open the transfer order", { cause: err });
      });
  },
  output: t
    .object({
      id: t.string().description("Transfer order ID"),
      status: t.string().description("New document status"),
    })
    .description("OpenTransferOrder response"),
});