import { tap, expect } from '@git.zone/tstest/tapbundle';
import { CertificateHandler } from '../ts/opsserver/handlers/certificate.handler.js';
import { AcmeCertDoc, DcRouterDb } from '../ts/db/index.js';
import * as plugins from '../ts/plugins.js';
import * as interfaces from '../ts_interfaces/index.js';

type TScope = interfaces.data.TApiTokenScope;

const createTestDb = async () => {
  const storagePath = plugins.path.join(
    plugins.os.tmpdir(),
    `dcrouter-cert-api-token-${Date.now()}-${Math.random().toString(16).slice(2)}`,
  );

  DcRouterDb.resetInstance();
  const db = DcRouterDb.getInstance({
    storagePath,
    dbName: `dcrouter-test-${Date.now()}-${Math.random().toString(16).slice(2)}`,
  });
  await db.start();
  await db.getDb().mongoDb.createCollection('__test_init');

  return {
    async cleanup() {
      await db.stop();
      DcRouterDb.resetInstance();
      await plugins.fs.promises.rm(storagePath, { recursive: true, force: true });
    },
  };
};

const makeApiTokenManager = (scopes: TScope[]) => {
  const token = {
    id: 'token-1',
    name: 'certificate-test-token',
    scopes,
    createdBy: 'token-user',
    createdAt: Date.now(),
    expiresAt: null,
    lastUsedAt: null,
    enabled: true,
  } as interfaces.data.IStoredApiToken;

  return {
    validateToken: async (rawToken: string) => rawToken === 'valid-token' ? token : null,
    hasScope: (storedToken: interfaces.data.IStoredApiToken, scope: TScope) => storedToken.scopes.includes(scope),
  };
};

const setupHandler = (scopes: TScope[]) => {
  const typedrouter = new plugins.typedrequest.TypedRouter();
  const opsServerRef: any = {
    typedrouter,
    adminHandler: {
      adminIdentityGuard: {
        exec: async () => false,
      },
    },
    dcRouterRef: {
      apiTokenManager: makeApiTokenManager(scopes),
      certificateStatusMap: new Map(),
      smartProxy: {
        routeManager: { getRoutes: () => [] },
      },
      certProvisionScheduler: null,
    },
  };

  new CertificateHandler(opsServerRef);
  return { typedrouter, opsServerRef };
};

const fireTypedRequest = async (
  router: plugins.typedrequest.TypedRouter,
  method: string,
  request: Record<string, any>,
) => {
  return await router.routeAndAddResponse({
    method,
    request,
    response: {},
    correlation: {
      id: `${method}-${Date.now()}-${Math.random().toString(16).slice(2)}`,
      phase: 'request',
    },
  } as any, { localRequest: true, skipHooks: true }) as any;
};

const testDbPromise = createTestDb();

tap.test('CertificateHandler allows API-token export with certificates:read', async () => {
  await testDbPromise;

  const certDoc = new AcmeCertDoc();
  certDoc.id = 'cert-1';
  certDoc.domainName = 'example.com';
  certDoc.created = 1;
  certDoc.validUntil = 2;
  certDoc.privateKey = '-----BEGIN PRIVATE KEY-----\nfake\n-----END PRIVATE KEY-----';
  certDoc.publicKey = '-----BEGIN CERTIFICATE-----\nfake\n-----END CERTIFICATE-----';
  certDoc.csr = '';
  await certDoc.save();

  const { typedrouter } = setupHandler(['certificates:read']);
  const result = await fireTypedRequest(typedrouter, 'exportCertificate', {
    apiToken: 'valid-token',
    domain: 'example.com',
  });

  expect(result.error).toBeUndefined();
  expect(result.response.success).toEqual(true);
  expect(result.response.cert.domainName).toEqual('example.com');
  expect(result.response.cert.privateKey).toContain('BEGIN PRIVATE KEY');
  expect(result.response.cert.publicKey).toContain('BEGIN CERTIFICATE');
});

tap.test('CertificateHandler rejects API-token export without certificates:read', async () => {
  const { typedrouter } = setupHandler(['certificates:write']);
  const result = await fireTypedRequest(typedrouter, 'exportCertificate', {
    apiToken: 'valid-token',
    domain: 'example.com',
  });

  expect(result.error?.text).toEqual('insufficient scope');
});

tap.test('CertificateHandler allows API-token import with certificates:write', async () => {
  await testDbPromise;

  const { typedrouter, opsServerRef } = setupHandler(['certificates:write']);
  const result = await fireTypedRequest(typedrouter, 'importCertificate', {
    apiToken: 'valid-token',
    cert: {
      id: 'cert-2',
      domainName: 'imported.example.com',
      created: 3,
      validUntil: 4,
      privateKey: '-----BEGIN PRIVATE KEY-----\nfake\n-----END PRIVATE KEY-----',
      publicKey: '-----BEGIN CERTIFICATE-----\nfake\n-----END CERTIFICATE-----',
      csr: '',
    },
  });

  expect(result.error).toBeUndefined();
  expect(result.response.success).toEqual(true);
  expect((await AcmeCertDoc.findByDomain('imported.example.com'))?.id).toEqual('cert-2');
  expect(opsServerRef.dcRouterRef.certificateStatusMap.get('imported.example.com')?.status).toEqual('valid');
});

tap.test('cleanup test db', async () => {
  const testDb = await testDbPromise;
  await testDb.cleanup();
});

export default tap.start();