import { describe, it, expect, vi, beforeEach, afterEach, Mock } from 'vitest';
import { renderHook } from '@testing-library/react';
import { useUnsafeRolesDialog, UNSAFE_ROLES } from "@components/Dialog/UnsafeRolesDialog/useUnsafeRolesDialog.ts";
import { eventBus } from "@core/utils/eventBus.ts";

vi.mock('@core/utils/eventBus', () => ({
  eventBus: {
    on: vi.fn(),
    off: vi.fn(),
    emit: vi.fn(),
  },
}));

const mockDevice = {
  setDialogOpen: vi.fn(),
};

vi.mock('@core/stores/deviceStore', () => ({
  useDevice: () => ({
    setDialogOpen: mockDevice.setDialogOpen,
  }),
}));

describe('useUnsafeRolesDialog', () => {
  beforeEach(() => {
    vi.resetAllMocks();
  });

  afterEach(() => {
    vi.clearAllMocks();
  });

  const renderUnsafeRolesHook = () => {
    return renderHook(() => useUnsafeRolesDialog());
  };

  describe('handleCloseDialog', () => {
    it('should call setDialogOpen with correct parameters when dialog is closed', () => {
      const { result } = renderUnsafeRolesHook();

      result.current.handleCloseDialog();

      expect(mockDevice.setDialogOpen).toHaveBeenCalledWith('unsafeRoles', false);
    });
  });

  describe('validateRoleSelection', () => {
    it('should resolve with true for safe roles without opening dialog', async () => {
      const { result } = renderUnsafeRolesHook();
      const safeRole = 'SAFE_ROLE';

      const validationResult = await result.current.validateRoleSelection(safeRole);

      expect(validationResult).toBe(true);
      expect(mockDevice.setDialogOpen).not.toHaveBeenCalled();
    });

    it('should open dialog for unsafe roles and resolve with true when confirmed', async () => {
      const { result } = renderUnsafeRolesHook();

      const validationPromise = result.current.validateRoleSelection(UNSAFE_ROLES[0]);

      expect(mockDevice.setDialogOpen).toHaveBeenCalledWith('unsafeRoles', true);
      expect(eventBus.on).toHaveBeenCalledWith('dialog:unsafeRoles', expect.any(Function));

      const onHandler = (eventBus.on as Mock).mock.calls[0][1];
      onHandler({ action: 'confirm' });
      const validationResult = await validationPromise;

      expect(validationResult).toBe(true);
      expect(eventBus.off).toHaveBeenCalledWith('dialog:unsafeRoles', onHandler);
    });

    it('should resolve with false when user dismisses the dialog', async () => {
      const { result } = renderUnsafeRolesHook();
      const validationPromise = result.current.validateRoleSelection(UNSAFE_ROLES[0]);
      const onHandler = (eventBus.on as Mock).mock.calls[0][1];
      onHandler({ action: 'dismiss' });

      const validationResult = await validationPromise;
      expect(validationResult).toBe(false);
      expect(eventBus.off).toHaveBeenCalledWith('dialog:unsafeRoles', onHandler);
    });

    it('should clean up event listener after response', async () => {
      const { result } = renderUnsafeRolesHook();

      const validationPromise = result.current.validateRoleSelection(UNSAFE_ROLES[1]);
      const onHandler = (eventBus.on as Mock).mock.calls[0][1];

      onHandler({ action: 'confirm' });
      await validationPromise;

      expect(eventBus.off).toHaveBeenCalledWith('dialog:unsafeRoles', onHandler);
    });
  });

  it('should work with all unsafe roles', async () => {
    const { result } = renderUnsafeRolesHook();

    for (const unsafeRole of UNSAFE_ROLES) {
      mockDevice.setDialogOpen.mockClear();
      (eventBus.on as Mock).mockClear();

      const validationPromise = result.current.validateRoleSelection(unsafeRole);

      expect(mockDevice.setDialogOpen).toHaveBeenCalledWith('unsafeRoles', true);

      const onHandler = (eventBus.on as Mock).mock.calls[0][1];
      onHandler({ action: 'confirm' });

      const validationResult = await validationPromise;

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