import { describe, it, expect } from 'vitest';
import { unsavedChangesGuard, CanComponentDeactivate } from '@app/core/guards/unsaved-changes-guard';
import { ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router';

describe('unsavedChangesGuard', () => {
  it('should return true when component has no canDeactivate method', () => {
    const component = {} as CanComponentDeactivate;

    const result = unsavedChangesGuard(component, {} as ActivatedRouteSnapshot, {} as RouterStateSnapshot, {} as RouterStateSnapshot);

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

  it('should return result of component.canDeactivate when method exists', () => {
    const component = { canDeactivate: () => false } as CanComponentDeactivate;

    const result = unsavedChangesGuard(component, {} as ActivatedRouteSnapshot, {} as RouterStateSnapshot, {} as RouterStateSnapshot);

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

  it('should return true when canDeactivate returns true', () => {
    const component = { canDeactivate: () => true } as CanComponentDeactivate;

    const result = unsavedChangesGuard(component, {} as ActivatedRouteSnapshot, {} as RouterStateSnapshot, {} as RouterStateSnapshot);

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