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

/**
 * deactivateAccount — mark an ACTIVE GL account INACTIVE so it can no longer be
 * posted to (it stays on the chart of accounts for historical entries). The
 * native command rejects an account that is already inactive and one that still
 * carries open balances. `id` is the Account id.
 */
export default createResolver({
  name: "deactivateAccount",
  operation: "mutation",
  input: {
    id: t.string().description("Account ID"),
  },
  body: async (context) => {
    const ctx = createContext(context);
    const db = getDB("main-db");
    return db
      .transaction()
      .execute(async (trx) => {
        const result = await coaModulesExport.commands.deactivateAccount(
          trx,
          { id: context.input.id },
          ctx,
        );

        if (!result.ok) {
          switch (result.error.code) {
            case "COA_MANAGEMENT_ACCOUNT_NOT_FOUND":
              throw new DomainError(`Account not found: ${context.input.id}`);
            case "COA_MANAGEMENT_INVALID_STATE_TRANSITION":
              throw new DomainError(
                `Only an ACTIVE account can be deactivated: ${context.input.id}`,
              );
            case "COA_MANAGEMENT_OPEN_BALANCES_EXIST":
              throw new DomainError(
                `The account still has open balances and cannot be deactivated.`,
              );
            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.account.id, status: result.value.account.status };
      })
      .catch((err: unknown) => {
        if (err instanceof DomainError) throw err;
        throw new Error("Failed to deactivate the account", { cause: err });
      });
  },
  output: t
    .object({
      id: t.string().description("Account ID"),
      status: t.string().description("Account status (INACTIVE after deactivation)"),
    })
    .description("Deactivated GL account"),
});