///
/// Copyright 2015-2026 Micro Focus or one of its affiliates.
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///      http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///

import { TestBed } from '@angular/core/testing';
import { IconService } from './icon.service';

describe('Icon Service', () => {
  beforeEach(() =>
    TestBed.configureTestingModule({
      providers: [IconService],
    })
  );

  it('should be created', () => {
    const service: IconService = TestBed.inject(IconService);
    expect(service).toBeTruthy();
  });

  it('it should initially be instantiated with the UX Iconset', () => {
    const service: IconService = TestBed.inject(IconService);
    const { icon, iconset, name, size } = service.getIcon('alert');

    expect(icon).toBe('ux-icon-alert');
    expect(iconset).toBe('ux-icon');
    expect(name).toBe('alert');
    expect(size).toBeUndefined();
  });

  it('it should allow adding additional custom icons to the set', () => {
    const service: IconService = TestBed.inject(IconService);

    service.setIcon({
      name: 'non-existent',
      icon: 'custom-non-existent-icon',
      iconset: 'custom-iconset',
    });

    const { icon, iconset, name, size } = service.getIcon('non-existent');

    expect(icon).toBe('custom-non-existent-icon');
    expect(iconset).toBe('custom-iconset');
    expect(name).toBe('non-existent');
    expect(size).toBeUndefined();
  });

  it('it should allow overriding the icon definition for the default size', () => {
    const service: IconService = TestBed.inject(IconService);

    service.setIcon({ name: 'alert', icon: 'custom-alert-icon', iconset: 'custom-iconset' });

    const { icon, iconset, name, size } = service.getIcon('alert');

    expect(icon).toBe('custom-alert-icon');
    expect(iconset).toBe('custom-iconset');
    expect(name).toBe('alert');
    expect(size).toBeUndefined();
  });

  it('it should allow overriding the icon definition for a single specific size', () => {
    const service: IconService = TestBed.inject(IconService);

    service.setIcon({
      name: 'alert',
      icon: 'custom-alert-icon',
      iconset: 'custom-iconset',
      size: '24px',
    });

    const defaultIcon = service.getIcon('alert');

    // the default size should not be altered
    expect(defaultIcon.icon).toBe('ux-icon-alert');
    expect(defaultIcon.iconset).toBe('ux-icon');
    expect(defaultIcon.name).toBe('alert');
    expect(defaultIcon.size).toBeUndefined();

    const sizeIcon = service.getIcon('alert', '24px');

    expect(sizeIcon.icon).toBe('custom-alert-icon');
    expect(sizeIcon.iconset).toBe('custom-iconset');
    expect(sizeIcon.name).toBe('alert');
    expect(sizeIcon.size).toBe('24px');
  });

  it('it should allow overriding the icon definition for a multiple specific sizes', () => {
    const service: IconService = TestBed.inject(IconService);

    service.setIcon({
      name: 'alert',
      icon: 'custom-alert-icon',
      iconset: 'custom-iconset',
      size: ['24px', '32px'],
    });

    const defaultIcon = service.getIcon('alert');

    // the default size should not be altered
    expect(defaultIcon.icon).toBe('ux-icon-alert');
    expect(defaultIcon.iconset).toBe('ux-icon');
    expect(defaultIcon.name).toBe('alert');
    expect(defaultIcon.size).toBeUndefined();

    const smallSizeIcon = service.getIcon('alert', '24px');

    expect(smallSizeIcon.icon).toBe('custom-alert-icon');
    expect(smallSizeIcon.iconset).toBe('custom-iconset');
    expect(smallSizeIcon.name).toBe('alert');
    expect(smallSizeIcon.size).toBe('24px');

    const largeSizeIcon = service.getIcon('alert', '32px');

    expect(largeSizeIcon.icon).toBe('custom-alert-icon');
    expect(largeSizeIcon.iconset).toBe('custom-iconset');
    expect(largeSizeIcon.name).toBe('alert');
    expect(largeSizeIcon.size).toBe('32px');
  });

  it('it should fallback to default icon if exact match is not found', () => {
    const service: IconService = TestBed.inject(IconService);
    const { icon, iconset, name, size } = service.getIcon('alert', '24px');

    expect(icon).toBe('ux-icon-alert');
    expect(iconset).toBe('ux-icon');
    expect(name).toBe('alert');
    expect(size).toBeUndefined();
  });
});