/*!
 * @license
 * Copyright 2019 Alfresco Software, Ltd.
 *
 * 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 { ComponentFixture, TestBed } from '@angular/core/testing';
import { By } from '@angular/platform-browser';
import { Node } from '@alfresco/js-api';
import { ContentMetadataCardComponent } from './content-metadata-card.component';
import { ContentMetadataComponent } from '../content-metadata/content-metadata.component';
import { setupTestBed, AllowableOperationsEnum } from '@alfresco/adf-core';
import { ContentTestingModule } from '../../../testing/content.testing.module';
import { SimpleChange } from '@angular/core';

describe('ContentMetadataCardComponent', () => {

    let component: ContentMetadataCardComponent;
    let fixture: ComponentFixture<ContentMetadataCardComponent>;
    let node: Node;
    const preset = 'custom-preset';

    setupTestBed({
        imports: [ContentTestingModule]
    });

    beforeEach(() => {
        fixture = TestBed.createComponent(ContentMetadataCardComponent);
        component = fixture.componentInstance;
        node = <Node> {
            aspectNames: [],
            nodeType: '',
            content: {},
            properties: {},
            createdByUser: {},
            modifiedByUser: {}
        };

        component.node = node;
        component.preset = preset;
        fixture.detectChanges();
    });

    afterEach(() => {
        fixture.destroy();
        TestBed.resetTestingModule();
    });

    it('should have displayEmpty input param as false by default', () => {
        expect(component.displayEmpty).toBe(false);
    });

    it('should show more information when no metadata properties are being displayed', () => {
        component.displayDefaultProperties = false;
        expect(component.expanded).toBe(!component.displayDefaultProperties);
    });

    it('should show less information when metadata properties are being displayed', () => {
        component.displayDefaultProperties = true;
        expect(component.expanded).toBe(!component.displayDefaultProperties);
    });

    it('should pass through the node to the underlying component', () => {
        const contentMetadataComponent = fixture.debugElement.query(By.directive(ContentMetadataComponent)).componentInstance;

        expect(contentMetadataComponent.node).toBe(node);
    });

    it('should pass through the preset to the underlying component', () => {
        const contentMetadataComponent = fixture.debugElement.query(By.directive(ContentMetadataComponent)).componentInstance;

        expect(contentMetadataComponent.preset).toBe(preset);
    });

    it('should pass through the preset to the underlying component', () => {
        component.displayEmpty = true;
        fixture.detectChanges();
        const contentMetadataComponent = fixture.debugElement.query(By.directive(ContentMetadataComponent)).componentInstance;

        expect(contentMetadataComponent.displayEmpty).toBe(true);
    });

    it('should pass through the editable to the underlying component', () => {
        component.editable = true;
        fixture.detectChanges();
        const contentMetadataComponent = fixture.debugElement.query(By.directive(ContentMetadataComponent)).componentInstance;

        expect(contentMetadataComponent.editable).toBe(true);
    });

    it('should pass through the multi to the underlying component', () => {
        component.multi = true;
        fixture.detectChanges();
        const contentMetadataComponent = fixture.debugElement.query(By.directive(ContentMetadataComponent)).componentInstance;

        expect(contentMetadataComponent.multi).toBe(true);
    });

    it('should pass through the expanded to the underlying component', () => {
        component.expanded = true;
        fixture.detectChanges();
        const contentMetadataComponent = fixture.debugElement.query(By.directive(ContentMetadataComponent)).componentInstance;

        expect(contentMetadataComponent.expanded).toBe(true);
    });

    it('should not show anything if node is not present', () => {
        component.node = undefined;
        fixture.detectChanges();

        const contentMetadataComponent = fixture.debugElement.query(By.directive(ContentMetadataComponent));

        expect(contentMetadataComponent).toBeNull();
    });

    it('should toggle editable by clicking on the button', () => {
        component.editable = true;
        component.node.allowableOperations = [AllowableOperationsEnum.UPDATE];
        fixture.detectChanges();

        const button = fixture.debugElement.query(By.css('[data-automation-id="meta-data-card-toggle-edit"]'));
        button.triggerEventHandler('click', {});
        fixture.detectChanges();

        expect(component.editable).toBe(false);
    });

    it('should toggle expanded by clicking on the button', () => {
        component.expanded = true;
        fixture.detectChanges();

        const button = fixture.debugElement.query(By.css('[data-automation-id="meta-data-card-toggle-expand"]'));
        button.triggerEventHandler('click', {});
        fixture.detectChanges();

        expect(component.expanded).toBe(false);
    });

    it('should have the proper text on button while collapsed', () => {
        component.expanded = false;
        fixture.detectChanges();

        const buttonLabel = fixture.debugElement.query(By.css('[data-automation-id="meta-data-card-toggle-expand-label"]'));

        expect(buttonLabel.nativeElement.innerText.trim()).toBe('ADF_VIEWER.SIDEBAR.METADATA.LESS_INFORMATION');
    });

    it('should have the proper text on button while collapsed', () => {
        component.expanded = true;
        fixture.detectChanges();

        const buttonLabel = fixture.debugElement.query(By.css('[data-automation-id="meta-data-card-toggle-expand-label"]'));

        expect(buttonLabel.nativeElement.innerText.trim()).toBe('ADF_VIEWER.SIDEBAR.METADATA.MORE_INFORMATION');
    });

    it('should hide the edit button in readOnly is true', () => {
        component.readOnly = true;
        fixture.detectChanges();

        const button = fixture.debugElement.query(By.css('[data-automation-id="meta-data-card-toggle-edit"]'));
        expect(button).toBeNull();
    });

    it('should hide the edit button if node does not have `update` permissions', () => {
        component.readOnly = false;
        component.node.allowableOperations = null;
        fixture.detectChanges();

        const button = fixture.debugElement.query(By.css('[data-automation-id="meta-data-card-toggle-edit"]'));
        expect(button).toBeNull();
    });

    it('should show the edit button if node does has `update` permissions', () => {
        component.readOnly = false;
        component.node.allowableOperations = [AllowableOperationsEnum.UPDATE];
        fixture.detectChanges();

        const button = fixture.debugElement.query(By.css('[data-automation-id="meta-data-card-toggle-edit"]'));
        expect(button).not.toBeNull();
    });

    it('should expand the card when custom display aspect is valid', () => {
        expect(component.expanded).toBeFalsy();

        let displayAspect = new SimpleChange(null , 'EXIF', true);
        component.ngOnChanges({ displayAspect });
        expect(component.expanded).toBeTruthy();

        displayAspect = new SimpleChange('EXIF' , null, false);
        component.ngOnChanges({ displayAspect });
        expect(component.expanded).toBeTruthy();
    });

});