/**
 * Copyright since 2025 Mifos Initiative
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

import { inject } from '@angular/core';
import { Router, CanActivateFn } from '@angular/router';

/**
 * Accounting features switched off for this installation.
 *
 * Nothing is deleted — the components, routes and services all stay in place, and flipping a flag
 * back to `false` brings the feature back with its tile and its route. The matching API block lives
 * in DisabledFeatureApiFilter on the backend, so a hidden feature cannot be reached by calling the
 * endpoint directly either.
 */
export const DISABLED_ACCOUNTING_FEATURES = {
  createJournalEntries: true,
  frequentPostings: true,
  closingEntries: true,
  accruals: true,
  provisioningEntries: true,
  accountingRules: true
};

/**
 * Blocks a route belonging to a disabled feature, for anyone who reaches it by typing the URL
 * rather than through a tile. `data.feature` names the flag to check.
 */
export const accountingFeatureEnabledGuard: CanActivateFn = (route) => {
  const router = inject(Router);
  const feature = route.data?.['feature'] as keyof typeof DISABLED_ACCOUNTING_FEATURES | undefined;

  if (!feature || !DISABLED_ACCOUNTING_FEATURES[feature]) {
    return true;
  }

  router.navigate(['/accounting'], { replaceUrl: true });
  return false;
};