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: "createStorageLocation",
  operation: "mutation",
  input: {
    name: t.string().description("Storage location name"),
    code: t.string({ optional: true }).description("Storage location code (unique within site)"),
    siteId: t.string().description("Site ID"),
  },
  body: async (context) => {
    const ctx = createContext(context);
    const db = getDB("main-db");
    return db
      .transaction()
      .execute(async (trx) => {
        const result = await invModulesExport.commands.createStorageLocation(
          trx,
          {
            name: context.input.name,
            code: context.input.code ?? null,
            siteId: context.input.siteId,
          },
          ctx,
        );

        if (!result.ok) {
          switch (result.error.code) {
            case "INVENTORY_SITE_NOT_FOUND":
              throw new DomainError(`Site not found: ${context.input.siteId}`);
            case "INVENTORY_SITE_INACTIVE":
              throw new DomainError(`Site is inactive: ${context.input.siteId}`);
            case "INVENTORY_DUPLICATE_LOCATION_NAME":
              throw new DomainError(`Storage location name already exists: ${context.input.name}`);
            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.storageLocation.id };
      })
      .catch((err: unknown) => {
        if (err instanceof DomainError) throw err;
        throw new Error("Failed to create the storage location", { cause: err });
      });
  },
  output: t
    .object({
      id: t.string().description("Created storage location ID"),
    })
    .description("Created storage location"),
});