import { TestBed } from '@/testing';
import { lastValueFrom, of, throwError } from 'rxjs';
import { vi } from 'vitest';
import { AuthStateService } from '../../auth-state/auth-state.service';
import { LoggerService } from '../../logging/logger.service';
import { StoragePersistenceService } from '../../storage/storage-persistence.service';
import { mockProvider } from '../../testing/mock';
import type { JwtKey, JwtKeys } from '../../validation/jwtkeys';
import { ValidationResult } from '../../validation/validation-result';
import type { AuthResult, CallbackContext } from '../callback-context';
import { FlowsDataService } from '../flows-data.service';
import { ResetAuthDataService } from '../reset-auth-data.service';
import { SigninKeyDataService } from '../signin-key-data.service';
import { HistoryJwtKeysCallbackHandlerService } from './history-jwt-keys-callback-handler.service';

const DUMMY_JWT_KEYS: JwtKeys = {
  keys: [
    {
      kty: 'some-value1',
      use: 'some-value2',
      kid: 'some-value3',
      x5t: 'some-value4',
      e: 'some-value5',
      n: 'some-value6',
      x5c: ['some-value7'],
    },
  ],
};

describe('HistoryJwtKeysCallbackHandlerService', () => {
  let service: HistoryJwtKeysCallbackHandlerService;
  let storagePersistenceService: StoragePersistenceService;
  let signInKeyDataService: SigninKeyDataService;
  let resetAuthDataService: ResetAuthDataService;
  let flowsDataService: FlowsDataService;
  let authStateService: AuthStateService;

  beforeEach(() => {
    TestBed.configureTestingModule({
      providers: [
        HistoryJwtKeysCallbackHandlerService,
        mockProvider(LoggerService),
        mockProvider(AuthStateService),
        mockProvider(FlowsDataService),
        mockProvider(SigninKeyDataService),
        mockProvider(StoragePersistenceService),
        mockProvider(ResetAuthDataService),
      ],
    });
    service = TestBed.inject(HistoryJwtKeysCallbackHandlerService);
    storagePersistenceService = TestBed.inject(StoragePersistenceService);
    resetAuthDataService = TestBed.inject(ResetAuthDataService);
    signInKeyDataService = TestBed.inject(SigninKeyDataService);
    flowsDataService = TestBed.inject(FlowsDataService);
    authStateService = TestBed.inject(AuthStateService);
  });

  it('should create', () => {
    expect(service).toBeTruthy();
  });

  describe('callbackHistoryAndResetJwtKeys', () => {
    it('writes authResult into the storage', async () => {
      const storagePersistenceServiceSpy = vi.spyOn(
        storagePersistenceService,
        'write'
      );
      const DUMMY_AUTH_RESULT = {
        refresh_token: 'dummy_refresh_token',
        id_token: 'some-id-token',
      };

      const callbackContext = {
        authResult: DUMMY_AUTH_RESULT,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        of({ keys: [] } as JwtKeys)
      );
      await lastValueFrom(
        service.callbackHistoryAndResetJwtKeys(
          callbackContext,
          allConfigs[0]!,
          allConfigs
        )
      );
      expect(storagePersistenceServiceSpy).toBeCalledWith([
        ['authnResult', DUMMY_AUTH_RESULT, allConfigs[0]],
        ['jwtKeys', { keys: [] }, allConfigs[0]],
      ]);
      expect(storagePersistenceServiceSpy).toHaveBeenCalledTimes(2);
    });

    it('writes refresh_token into the storage without reuse (refresh token rotation)', async () => {
      const DUMMY_AUTH_RESULT = {
        refresh_token: 'dummy_refresh_token',
        id_token: 'some-id-token',
      };

      const storagePersistenceServiceSpy = vi.spyOn(
        storagePersistenceService,
        'write'
      );
      const callbackContext = {
        authResult: DUMMY_AUTH_RESULT,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        of({ keys: [] } as JwtKeys)
      );

      await lastValueFrom(
        service.callbackHistoryAndResetJwtKeys(
          callbackContext,
          allConfigs[0]!,
          allConfigs
        )
      );
      expect(storagePersistenceServiceSpy).toBeCalledWith([
        ['authnResult', DUMMY_AUTH_RESULT, allConfigs[0]],
        ['jwtKeys', { keys: [] }, allConfigs[0]],
      ]);
      expect(storagePersistenceServiceSpy).toHaveBeenCalledTimes(2);
    });

    it('writes refresh_token into the storage with reuse (without refresh token rotation)', async () => {
      const DUMMY_AUTH_RESULT = {
        refresh_token: 'dummy_refresh_token',
        id_token: 'some-id-token',
      };

      const storagePersistenceServiceSpy = vi.spyOn(
        storagePersistenceService,
        'write'
      );
      const callbackContext = {
        authResult: DUMMY_AUTH_RESULT,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
          allowUnsafeReuseRefreshToken: true,
        },
      ];

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        of({ keys: [] } as JwtKeys)
      );
      await lastValueFrom(
        service.callbackHistoryAndResetJwtKeys(
          callbackContext,
          allConfigs[0]!,
          allConfigs
        )
      );
      expect(storagePersistenceServiceSpy).toBeCalledWith([
        ['authnResult', DUMMY_AUTH_RESULT, allConfigs[0]],
        ['reusable_refresh_token', 'dummy_refresh_token', allConfigs[0]],
        ['jwtKeys', { keys: [] }, allConfigs[0]],
      ]);
      expect(storagePersistenceServiceSpy).toHaveBeenCalledTimes(3);
    });

    it('resetBrowserHistory if historyCleanup is turned on and is not in a renewProcess', async () => {
      const DUMMY_AUTH_RESULT = {
        id_token: 'some-id-token',
      };
      const callbackContext = {
        isRenewProcess: false,
        authResult: DUMMY_AUTH_RESULT,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: false,
        },
      ];

      const windowSpy = vi.spyOn(window.history, 'replaceState');

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        of({ keys: [] } as JwtKeys)
      );
      await lastValueFrom(
        service.callbackHistoryAndResetJwtKeys(
          callbackContext,
          allConfigs[0]!,
          allConfigs
        )
      );
      expect(windowSpy).toHaveBeenCalledTimes(1);
    });

    it('returns callbackContext with jwtkeys filled if everything works fine', async () => {
      const DUMMY_AUTH_RESULT = {
        id_token: 'some-id-token',
      };

      const callbackContext = {
        isRenewProcess: false,
        authResult: DUMMY_AUTH_RESULT,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: false,
        },
      ];

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        of({ keys: [{ kty: 'henlo' } as JwtKey] } as JwtKeys)
      );
      const result = await lastValueFrom(
        service.callbackHistoryAndResetJwtKeys(
          callbackContext,
          allConfigs[0]!,
          allConfigs
        )
      );
      expect(result).toEqual({
        isRenewProcess: false,
        authResult: DUMMY_AUTH_RESULT,
        jwtKeys: { keys: [{ kty: 'henlo' }] },
      } as CallbackContext);
    });

    it('returns error if no jwtKeys have been in the call --> keys are null', async () => {
      const DUMMY_AUTH_RESULT = {
        id_token: 'some-id-token',
      };

      const callbackContext = {
        isRenewProcess: false,
        authResult: DUMMY_AUTH_RESULT,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: false,
        },
      ];

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        of({} as JwtKeys)
      );
      try {
        await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            callbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
      } catch (err: any) {
        expect(err.message).toEqual(
          'Failed to retrieve signing key with error: Error: Failed to retrieve signing key'
        );
      }
    });

    it('returns error if no jwtKeys have been in the call --> keys throw an error', async () => {
      const DUMMY_AUTH_RESULT = {
        id_token: 'some-id-token',
      };
      const callbackContext = {
        isRenewProcess: false,
        authResult: DUMMY_AUTH_RESULT,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: false,
        },
      ];

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        throwError(() => new Error('error'))
      );
      try {
        await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            callbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
      } catch (err: any) {
        expect(err.message).toEqual(
          'Failed to retrieve signing key with error: Error: Error: error'
        );
      }
    });

    it('returns error if callbackContext.authresult has an error property filled', async () => {
      const callbackContext = {
        authResult: { error: 'someError' },
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];

      try {
        await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            callbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
      } catch (err: any) {
        expect(err.message).toEqual(
          'AuthCallback AuthResult came with error: someError'
        );
      }
    });

    it('calls resetAuthorizationData, resets nonce and authStateService in case of an error', async () => {
      const callbackContext = {
        authResult: { error: 'someError' },
        isRenewProcess: false,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];

      const resetAuthorizationDataSpy = vi.spyOn(
        resetAuthDataService,
        'resetAuthorizationData'
      );
      const setNonceSpy = vi.spyOn(flowsDataService, 'setNonce');
      const updateAndPublishAuthStateSpy = vi.spyOn(
        authStateService,
        'updateAndPublishAuthState'
      );

      try {
        await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            callbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
      } catch {
        expect(resetAuthorizationDataSpy).toHaveBeenCalledTimes(1);
        expect(setNonceSpy).toHaveBeenCalledTimes(1);
        expect(updateAndPublishAuthStateSpy).toHaveBeenCalledExactlyOnceWith({
          isAuthenticated: false,
          validationResult: ValidationResult.SecureTokenServerError,
          isRenewProcess: false,
        });
      }
    });

    it('calls authStateService.updateAndPublishAuthState with login required if the error is `login_required`', async () => {
      const callbackContext = {
        authResult: { error: 'login_required' },
        isRenewProcess: false,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];

      const resetAuthorizationDataSpy = vi.spyOn(
        resetAuthDataService,
        'resetAuthorizationData'
      );
      const setNonceSpy = vi.spyOn(flowsDataService, 'setNonce');
      const updateAndPublishAuthStateSpy = vi.spyOn(
        authStateService,
        'updateAndPublishAuthState'
      );

      try {
        await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            callbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
      } catch {
        expect(resetAuthorizationDataSpy).toHaveBeenCalledTimes(1);
        expect(setNonceSpy).toHaveBeenCalledTimes(1);
        expect(updateAndPublishAuthStateSpy).toHaveBeenCalledExactlyOnceWith({
          isAuthenticated: false,
          validationResult: ValidationResult.LoginRequired,
          isRenewProcess: false,
        });
      }
    });

    it('should store jwtKeys', async () => {
      const DUMMY_AUTH_RESULT = {
        id_token: 'some-id-token',
      };

      const initialCallbackContext = {
        authResult: DUMMY_AUTH_RESULT,
      } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];
      const storagePersistenceServiceSpy = vi.spyOn(
        storagePersistenceService,
        'write'
      );

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        of(DUMMY_JWT_KEYS)
      );

      try {
        const callbackContext: CallbackContext = await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            initialCallbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
        expect(storagePersistenceServiceSpy).toHaveBeenCalledTimes(2);
        expect(storagePersistenceServiceSpy).toBeCalledWith([
          ['authnResult', DUMMY_AUTH_RESULT, allConfigs[0]],
          ['jwtKeys', DUMMY_JWT_KEYS, allConfigs[0]],
        ]);
        expect(callbackContext.jwtKeys).toEqual(DUMMY_JWT_KEYS);
      } catch (err: any) {
        expect(err).toBeFalsy();
      }
    });

    it('should not store jwtKeys on error', async () => {
      const authResult = {
        id_token: 'some-id-token',
        access_token: 'some-access-token',
      } as AuthResult;
      const initialCallbackContext = {
        authResult,
      } as CallbackContext;

      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];
      const storagePersistenceServiceSpy = vi.spyOn(
        storagePersistenceService,
        'write'
      );

      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        throwError(() => new Error('Error'))
      );

      try {
        const callbackContext: CallbackContext = await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            initialCallbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
        expect(callbackContext).toBeFalsy();
      } catch (err: any) {
        expect(err).toBeTruthy();
        expect(storagePersistenceServiceSpy).toHaveBeenCalledExactlyOnceWith(
          'authnResult',
          authResult,
          allConfigs[0]
        );
      }
    });

    it('should fallback to stored jwtKeys on error', async () => {
      const authResult = {
        id_token: 'some-id-token',
        access_token: 'some-access-token',
      } as AuthResult;
      const initialCallbackContext = {
        authResult,
      } as CallbackContext;

      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];
      const storagePersistenceServiceSpy = vi.spyOn(
        storagePersistenceService,
        'read'
      );

      storagePersistenceServiceSpy.mockReturnValue(DUMMY_JWT_KEYS);
      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        throwError(() => new Error('Error'))
      );

      try {
        const callbackContext: CallbackContext = await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            initialCallbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
        expect(storagePersistenceServiceSpy).toHaveBeenCalledExactlyOnceWith(
          'jwtKeys',
          allConfigs[0]
        );
        expect(callbackContext.jwtKeys).toEqual(DUMMY_JWT_KEYS);
      } catch (err: any) {
        expect(err).toBeFalsy();
      }
    });

    it('should throw error if no jwtKeys are stored', async () => {
      const authResult = {
        id_token: 'some-id-token',
        access_token: 'some-access-token',
      } as AuthResult;

      const initialCallbackContext = { authResult } as CallbackContext;
      const allConfigs = [
        {
          configId: 'configId1',
          historyCleanupOff: true,
        },
      ];

      vi.spyOn(storagePersistenceService, 'read').mockReturnValue(null);
      vi.spyOn(signInKeyDataService, 'getSigningKeys').mockReturnValue(
        throwError(() => new Error('Error'))
      );

      try {
        const callbackContext: CallbackContext = await lastValueFrom(
          service.callbackHistoryAndResetJwtKeys(
            initialCallbackContext,
            allConfigs[0]!,
            allConfigs
          )
        );
        expect(callbackContext).toBeFalsy();
      } catch (err: any) {
        expect(err).toBeTruthy();
      }
    });
  });

  describe('historyCleanUpTurnedOn ', () => {
    it('check for false if historyCleanUpTurnedOn is on', () => {
      const config = {
        configId: 'configId1',
        historyCleanupOff: true,
      };

      const value = (service as any).historyCleanUpTurnedOn(config);

      expect(value).toEqual(false);
    });

    it('check for true if historyCleanUpTurnedOn is off', () => {
      const config = {
        configId: 'configId1',
        historyCleanupOff: false,
      };

      const value = (service as any).historyCleanUpTurnedOn(config);

      expect(value).toEqual(true);
    });
  });
});