import { describe, it, expect } from 'vitest';
import { CompleteOnboardingViewModel } from './CompleteOnboardingViewModel';
import type { CompleteOnboardingViewData } from '../builders/view-data/CompleteOnboardingViewData';

describe('CompleteOnboardingViewModel', () => {
  describe('constructor', () => {
    it('should create instance with success flag', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.success).toBe(true);
    });

    it('should create instance with driverId', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
        driverId: 'driver-123',
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.driverId).toBe('driver-123');
    });

    it('should create instance with errorMessage', () => {
      const viewData: CompleteOnboardingViewData = {
        success: false,
        errorMessage: 'Failed to complete onboarding',
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.errorMessage).toBe('Failed to complete onboarding');
    });

    it('should create instance with all fields', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
        driverId: 'driver-123',
        errorMessage: undefined,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.success).toBe(true);
      expect(viewModel.driverId).toBe('driver-123');
      expect(viewModel.errorMessage).toBeUndefined();
    });
  });

  describe('UI-specific getters', () => {
    it('should expose isSuccessful as true when success is true', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.isSuccessful).toBe(true);
    });

    it('should expose isSuccessful as false when success is false', () => {
      const viewData: CompleteOnboardingViewData = {
        success: false,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.isSuccessful).toBe(false);
    });

    it('should expose hasError as true when errorMessage is present', () => {
      const viewData: CompleteOnboardingViewData = {
        success: false,
        errorMessage: 'Error occurred',
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.hasError).toBe(true);
    });

    it('should expose hasError as false when errorMessage is not present', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.hasError).toBe(false);
    });
  });

  describe('Display Object composition', () => {
    it('should derive statusLabel from success', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusLabel).toBe('Onboarding Complete');
    });

    it('should derive statusLabel from failure', () => {
      const viewData: CompleteOnboardingViewData = {
        success: false,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusLabel).toBe('Onboarding Failed');
    });

    it('should derive statusVariant from success', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusVariant).toBe('performance-green');
    });

    it('should derive statusVariant from failure', () => {
      const viewData: CompleteOnboardingViewData = {
        success: false,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusVariant).toBe('racing-red');
    });

    it('should derive statusIcon from success', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusIcon).toBe('✅');
    });

    it('should derive statusIcon from failure', () => {
      const viewData: CompleteOnboardingViewData = {
        success: false,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusIcon).toBe('❌');
    });

    it('should derive statusMessage from success', () => {
      const viewData: CompleteOnboardingViewData = {
        success: true,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusMessage).toBe('Your onboarding has been completed successfully.');
    });

    it('should derive statusMessage from failure with default message', () => {
      const viewData: CompleteOnboardingViewData = {
        success: false,
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusMessage).toBe('Failed to complete onboarding. Please try again.');
    });

    it('should derive statusMessage from failure with custom error message', () => {
      const viewData: CompleteOnboardingViewData = {
        success: false,
        errorMessage: 'Custom error message',
      };

      const viewModel = new CompleteOnboardingViewModel(viewData);

      expect(viewModel.statusMessage).toBe('Custom error message');
    });
  });
});