import { TestBed, fakeAsync, tick } from '@/testing';
import { Observable, of, throwError } from 'rxjs';
import { vi } from 'vitest';
import { AuthStateService } from '../auth-state/auth-state.service';
import { ImplicitFlowCallbackService } from '../callback/implicit-flow-callback.service';
import { IntervalService } from '../callback/interval.service';
import type { CallbackContext } from '../flows/callback-context';
import { FlowsDataService } from '../flows/flows-data.service';
import { FlowsService } from '../flows/flows.service';
import { ResetAuthDataService } from '../flows/reset-auth-data.service';
import { LoggerService } from '../logging/logger.service';
import { mockProvider } from '../testing/mock';
import { FlowHelper } from '../utils/flowHelper/flow-helper.service';
import { ValidationResult } from '../validation/validation-result';
import { IFrameService } from './existing-iframe.service';
import { SilentRenewService } from './silent-renew.service';

describe('SilentRenewService  ', () => {
  let silentRenewService: SilentRenewService;
  let flowHelper: FlowHelper;
  let implicitFlowCallbackService: ImplicitFlowCallbackService;
  let iFrameService: IFrameService;
  let flowsDataService: FlowsDataService;
  let loggerService: LoggerService;
  let flowsService: FlowsService;
  let authStateService: AuthStateService;
  let resetAuthDataService: ResetAuthDataService;
  let intervalService: IntervalService;

  beforeEach(() => {
    TestBed.configureTestingModule({
      providers: [
        SilentRenewService,
        IFrameService,
        mockProvider(FlowsService),
        mockProvider(ResetAuthDataService),
        mockProvider(FlowsDataService),
        mockProvider(AuthStateService),
        mockProvider(LoggerService),
        mockProvider(ImplicitFlowCallbackService),
        mockProvider(IntervalService),
        FlowHelper,
      ],
    });
  });

  beforeEach(() => {
    silentRenewService = TestBed.inject(SilentRenewService);
    iFrameService = TestBed.inject(IFrameService);
    flowHelper = TestBed.inject(FlowHelper);
    implicitFlowCallbackService = TestBed.inject(ImplicitFlowCallbackService);
    flowsDataService = TestBed.inject(FlowsDataService);
    flowsService = TestBed.inject(FlowsService);
    loggerService = TestBed.inject(LoggerService);
    authStateService = TestBed.inject(AuthStateService);
    resetAuthDataService = TestBed.inject(ResetAuthDataService);
    intervalService = TestBed.inject(IntervalService);
  });

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

  describe('refreshSessionWithIFrameCompleted', () => {
    it('is of type observable', () => {
      expect(silentRenewService.refreshSessionWithIFrameCompleted$).toEqual(
        expect.any(Observable)
      );
    });
  });

  describe('isSilentRenewConfigured', () => {
    it('returns true if refreshToken is configured false and silentRenew is configured true', () => {
      const config = { useRefreshToken: false, silentRenew: true };
      const result = silentRenewService.isSilentRenewConfigured(config);

      expect(result).toBe(true);
    });

    it('returns false if refreshToken is configured true and silentRenew is configured true', () => {
      const config = { useRefreshToken: true, silentRenew: true };

      const result = silentRenewService.isSilentRenewConfigured(config);

      expect(result).toBe(false);
    });

    it('returns false if refreshToken is configured false and silentRenew is configured false', () => {
      const config = { useRefreshToken: false, silentRenew: false };

      const result = silentRenewService.isSilentRenewConfigured(config);

      expect(result).toBe(false);
    });
  });

  describe('getOrCreateIframe', () => {
    it('returns iframe if iframe is truthy', () => {
      vi.spyOn(silentRenewService as any, 'getExistingIframe').mockReturnValue({
        name: 'anything',
      });

      const result = silentRenewService.getOrCreateIframe({
        configId: 'configId1',
      });

      expect(result).toEqual({ name: 'anything' } as HTMLIFrameElement);
    });

    it('adds iframe to body if existing iframe is falsy', () => {
      const config = { configId: 'configId1' };

      vi.spyOn(silentRenewService as any, 'getExistingIframe').mockReturnValue(
        null
      );

      const spy = vi
        .spyOn(iFrameService, 'addIFrameToWindowBody')
        .mockReturnValue({ name: 'anything' } as HTMLIFrameElement);

      const result = silentRenewService.getOrCreateIframe(config);

      expect(result).toEqual({ name: 'anything' } as HTMLIFrameElement);
      expect(spy).toHaveBeenCalledTimes(1);
      expect(spy).toHaveBeenCalledExactlyOnceWith(
        'myiFrameForSilentRenew',
        config
      );
    });
  });

  describe('codeFlowCallbackSilentRenewIframe', () => {
    it('calls processSilentRenewCodeFlowCallback with correct arguments', async () => {
      const config = { configId: 'configId1' };
      const allConfigs = [config];

      const spy = vi
        .spyOn(flowsService, 'processSilentRenewCodeFlowCallback')
        .mockReturnValue(of({} as CallbackContext));
      const expectedContext = {
        code: 'some-code',
        refreshToken: '',
        state: 'some-state',
        sessionState: 'some-session-state',
        authResult: null,
        isRenewProcess: true,
        jwtKeys: null,
        validationResult: null,
        existingIdToken: null,
      } as CallbackContext;
      const url = 'url-part-1';
      const urlParts =
        'code=some-code&state=some-state&session_state=some-session-state';

      await lastValueFrom(silentRenewService
        .codeFlowCallbackSilentRenewIframe([url, urlParts], config, allConfigs));
expect(spy).toHaveBeenCalledExactlyOnceWith(
            expectedContext,
            config,
            allConfigs
          );
    });

    it('throws error if url has error param and resets everything on error', async () => {
      const config = { configId: 'configId1' };
      const allConfigs = [config];

      const spy = vi
        .spyOn(flowsService, 'processSilentRenewCodeFlowCallback')
        .mockReturnValue(of({} as CallbackContext));
      const authStateServiceSpy = vi.spyOn(
        authStateService,
        'updateAndPublishAuthState'
      );
      const resetAuthorizationDataSpy = vi.spyOn(
        resetAuthDataService,
        'resetAuthorizationData'
      );
      const setNonceSpy = vi.spyOn(flowsDataService, 'setNonce');
      const stopPeriodicTokenCheckSpy = vi.spyOn(
        intervalService,
        'stopPeriodicTokenCheck'
      );

      const url = 'url-part-1';
      const urlParts = 'error=some_error';

      silentRenewService
        .codeFlowCallbackSilentRenewIframe([url, urlParts], config, allConfigs)
        .subscribe({
          error: (error) => {
            expect(error).toEqual(new Error('some_error'));
            expect(spy).not.toHaveBeenCalled();
            expect(authStateServiceSpy).toHaveBeenCalledExactlyOnceWith({
              isAuthenticated: false,
              validationResult: ValidationResult.LoginRequired,
              isRenewProcess: true,
            });
            expect(resetAuthorizationDataSpy).toHaveBeenCalledExactlyOnceWith(
              config,
              allConfigs
            );
            expect(setNonceSpy).toHaveBeenCalledExactlyOnceWith('', config);
            expect(stopPeriodicTokenCheckSpy).toHaveBeenCalledTimes(1);
          },
        });
    });
  });

  describe('silentRenewEventHandler', () => {
    it('returns if no details is given', async () => {
      const isCurrentFlowCodeFlowSpy = vi
        .spyOn(flowHelper, 'isCurrentFlowCodeFlow')
        .mockReturnValue(false);

      vi.spyOn(
        implicitFlowCallbackService,
        'authenticatedImplicitFlowCallback'
      ).mockReturnValue(of({} as CallbackContext));
      const eventData = { detail: null } as CustomEvent;
      const allConfigs = [{ configId: 'configId1' }];

      silentRenewService.silentRenewEventHandler(
        eventData,
        allConfigs[0]!,
        allConfigs
      );
      await vi.advanceTimersByTimeAsync(1000);
      expect(isCurrentFlowCodeFlowSpy).not.toHaveBeenCalled();
    });

    it('calls authorizedImplicitFlowCallback if current flow is not code flow', async () => {
      const isCurrentFlowCodeFlowSpy = vi
        .spyOn(flowHelper, 'isCurrentFlowCodeFlow')
        .mockReturnValue(false);
      const authorizedImplicitFlowCallbackSpy = vi
        .spyOn(implicitFlowCallbackService, 'authenticatedImplicitFlowCallback')
        .mockReturnValue(of({} as CallbackContext));
      const eventData = { detail: 'detail' } as CustomEvent;
      const allConfigs = [{ configId: 'configId1' }];

      silentRenewService.silentRenewEventHandler(
        eventData,
        allConfigs[0]!,
        allConfigs
      );
      await vi.advanceTimersByTimeAsync(1000);
      expect(isCurrentFlowCodeFlowSpy).toHaveBeenCalled();
      expect(authorizedImplicitFlowCallbackSpy).toHaveBeenCalledExactlyOnceWith(
        allConfigs[0]!,
        allConfigs,
        'detail'
      );
    });

    it('calls codeFlowCallbackSilentRenewIframe if current flow is code flow', async () => {
      vi.spyOn(flowHelper, 'isCurrentFlowCodeFlow').mockReturnValue(true);
      const codeFlowCallbackSilentRenewIframe = vi
        .spyOn(silentRenewService, 'codeFlowCallbackSilentRenewIframe')
        .mockReturnValue(of({} as CallbackContext));
      const eventData = { detail: 'detail?detail2' } as CustomEvent;
      const allConfigs = [{ configId: 'configId1' }];

      silentRenewService.silentRenewEventHandler(
        eventData,
        allConfigs[0]!,
        allConfigs
      );
      await vi.advanceTimersByTimeAsync(1000);
      expect(codeFlowCallbackSilentRenewIframe).toHaveBeenCalledExactlyOnceWith(
        ['detail', 'detail2'],
        allConfigs[0]!,
        allConfigs
      );
    });

    it('calls authorizedImplicitFlowCallback if current flow is not code flow', async () => {
      vi.spyOn(flowHelper, 'isCurrentFlowCodeFlow').mockReturnValue(true);
      const codeFlowCallbackSilentRenewIframe = vi
        .spyOn(silentRenewService, 'codeFlowCallbackSilentRenewIframe')
        .mockReturnValue(of({} as CallbackContext));
      const eventData = { detail: 'detail?detail2' } as CustomEvent;
      const allConfigs = [{ configId: 'configId1' }];

      silentRenewService.silentRenewEventHandler(
        eventData,
        allConfigs[0]!,
        allConfigs
      );
      await vi.advanceTimersByTimeAsync(1000);
      expect(codeFlowCallbackSilentRenewIframe).toHaveBeenCalledExactlyOnceWith(
        ['detail', 'detail2'],
        allConfigs[0]!,
        allConfigs
      );
    });

    it('calls next on refreshSessionWithIFrameCompleted with callbackcontext', async () => {
      vi.spyOn(flowHelper, 'isCurrentFlowCodeFlow').mockReturnValue(true);
      vi.spyOn(
        silentRenewService,
        'codeFlowCallbackSilentRenewIframe'
      ).mockReturnValue(
        of({ refreshToken: 'callbackContext' } as CallbackContext)
      );
      const eventData = { detail: 'detail?detail2' } as CustomEvent;
      const allConfigs = [{ configId: 'configId1' }];

      const result = await lastValueFrom(silentRenewService.refreshSessionWithIFrameCompleted$);
expect(result).toEqual({
            refreshToken: 'callbackContext',
          } as CallbackContext);

      silentRenewService.silentRenewEventHandler(
        eventData,
        allConfigs[0]!,
        allConfigs
      );
      await vi.advanceTimersByTimeAsync(1000);
    });

    it('loggs and calls flowsDataService.resetSilentRenewRunning in case of an error', async () => {
      vi.spyOn(flowHelper, 'isCurrentFlowCodeFlow').mockReturnValue(true);
      vi.spyOn(
        silentRenewService,
        'codeFlowCallbackSilentRenewIframe'
      ).mockReturnValue(throwError(() => new Error('ERROR')));
      const resetSilentRenewRunningSpy = vi.spyOn(
        flowsDataService,
        'resetSilentRenewRunning'
      );
      const logErrorSpy = vi.spyOn(loggerService, 'logError');
      const allConfigs = [{ configId: 'configId1' }];
      const eventData = { detail: 'detail?detail2' } as CustomEvent;

      silentRenewService.silentRenewEventHandler(
        eventData,
        allConfigs[0]!,
        allConfigs
      );
      await vi.advanceTimersByTimeAsync(1000);
      expect(resetSilentRenewRunningSpy).toHaveBeenCalledTimes(1);
      expect(logErrorSpy).toHaveBeenCalledTimes(1);
    });

    it('calls next on refreshSessionWithIFrameCompleted with null in case of error', async () => {
      vi.spyOn(flowHelper, 'isCurrentFlowCodeFlow').mockReturnValue(true);
      vi.spyOn(
        silentRenewService,
        'codeFlowCallbackSilentRenewIframe'
      ).mockReturnValue(throwError(() => new Error('ERROR')));
      const eventData = { detail: 'detail?detail2' } as CustomEvent;
      const allConfigs = [{ configId: 'configId1' }];

      const result = await lastValueFrom(silentRenewService.refreshSessionWithIFrameCompleted$);
expect(result).toBeNull();

      silentRenewService.silentRenewEventHandler(
        eventData,
        allConfigs[0]!,
        allConfigs
      );
      await vi.advanceTimersByTimeAsync(1000);
    });
  });
});