import { renderHook, waitFor } from '@testing-library/react';
import { ReactNode } from 'react';
import { getWrapper } from 'test/test-utils';

import { config } from '@grafana/runtime';
import { disablePlugin } from 'app/features/alerting/unified/mocks/server/configure';
import { setOnCallIntegrations } from 'app/features/alerting/unified/mocks/server/handlers/plugins/configure-plugins';
import { SupportedPlugin } from 'app/features/alerting/unified/types/pluginBridges';
import { GRAFANA_RULES_SOURCE_NAME } from 'app/features/alerting/unified/utils/datasource';
import { AccessControlAction } from 'app/types';

import { setupMswServer } from '../../mockApi';
import { grantUserPermissions } from '../../mocks';

import { useContactPointsWithStatus } from './useContactPoints';

const wrapper = ({ children }: { children: ReactNode }) => {
  const ProviderWrapper = getWrapper({ renderWithRouter: true });
  return <ProviderWrapper>{children}</ProviderWrapper>;
};

setupMswServer();

const getHookResponse = async (featureToggleEnabled: boolean) => {
  config.featureToggles.alertingApiServer = featureToggleEnabled;
  const { result } = renderHook(
    () =>
      useContactPointsWithStatus({
        alertmanager: GRAFANA_RULES_SOURCE_NAME,
        fetchPolicies: true,
        fetchStatuses: true,
      }),
    {
      wrapper,
    }
  );

  await waitFor(() => {
    expect(result.current.isLoading).toBe(false);
  });

  // Only return some properties, as we don't want to compare all
  // RTK query properties in snapshots/comparison between k8s and non-k8s implementations
  // (would include properties like requestId, fulfilled, etc.)
  const { contactPoints, error, isLoading } = result.current;

  return { contactPoints, error, isLoading };
};

describe('useContactPoints', () => {
  beforeEach(() => {
    grantUserPermissions([AccessControlAction.AlertingNotificationsRead]);
    setOnCallIntegrations([
      {
        display_name: 'grafana-integration',
        value: 'ABC123',
        integration_url: 'https://oncall-endpoint.example.com',
      },
    ]);
  });

  it('should return contact points with status', async () => {
    disablePlugin(SupportedPlugin.OnCall);
    const snapshot = await getHookResponse(false);
    expect(snapshot).toMatchSnapshot();
  });

  it('returns ~matching responses with and without alertingApiServer', async () => {
    // Compare the responses between the two implementations, but do not consider:
    // - ID: k8s API will return id properties, but the AM config will fall back to the name of the contact point.
    //       These will be different, so we don't want to compare them
    // - Metadata: k8s API includes metadata, AM config does not

    const snapshotAmConfig = await getHookResponse(false);
    const snapshotAlertingApiServer = await getHookResponse(true);

    const amContactPoints = snapshotAmConfig.contactPoints.map((receiver) => {
      const { id, ...rest } = receiver;
      return rest;
    });

    const k8sContactPoints = snapshotAlertingApiServer.contactPoints.map((receiver) => {
      const { id, metadata, ...rest } = receiver;
      return rest;
    });

    expect({
      ...snapshotAmConfig,
      contactPoints: amContactPoints,
    }).toEqual({
      ...snapshotAlertingApiServer,
      contactPoints: k8sContactPoints,
    });
  });

  describe('when having oncall plugin installed and no alert manager config data', () => {
    it('should return contact points with oncall metadata', async () => {
      const snapshot = await getHookResponse(false);
      expect(snapshot).toMatchSnapshot();
    });
  });
});