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: "publishStandardCost",
  operation: "mutation",
  input: {
    itemId: t.string().description("Item ID"),
    unitCost: t.string().description("Standard cost per unit (decimal string), zero or greater"),
  },
  body: async (context) => {
    const ctx = createContext(context);
    const db = getDB("main-db");

    return db
      .transaction()
      .execute(async (trx) => {
        const result = await invModulesExport.commands.publishStandardCost(
          trx,
          {
            itemId: context.input.itemId,
            unitCost: context.input.unitCost,
          },
          ctx,
        );

        if (!result.ok) {
          switch (result.error.code) {
            case "INVENTORY_INVALID_UNIT_COST":
              throw new DomainError(`Unit cost must be zero or greater: ${context.input.unitCost}`);
            case "INVENTORY_ITEM_VALUATION_NOT_FOUND":
              throw new DomainError(
                "A company holds on-hand stock of this item but the item is not cost-tracked there",
              );
            case "INVENTORY_ACCOUNTING_PERIOD_NOT_FOUND":
              throw new DomainError("No open accounting period covers the posting date");
            case "INVENTORY_JOURNAL_ENTRY_CREATE_FAILED":
              throw new DomainError("Failed to create the revaluation journal entry");
            case "INVENTORY_JOURNAL_ENTRY_POST_FAILED":
              throw new DomainError("Failed to post the revaluation journal entry");
            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.standardCost.id };
      })
      .catch((err: unknown) => {
        if (err instanceof DomainError) throw err;
        throw new Error("Failed to publish the standard cost", { cause: err });
      });
  },
  output: t
    .object({
      id: t.string().description("Published StandardCost generation ID"),
    })
    .description("Published standard cost generation"),
});