// -
//   ========================LICENSE_START=================================
//   O-RAN-SC
//   %%
//   Copyright (C) 2021: Nordix Foundation
//   %%
//   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.
//   ========================LICENSE_END===================================
//

import { CUSTOM_ELEMENTS_SCHEMA } from "@angular/compiler";
import { Component } from "@angular/core";
import { ComponentFixture, TestBed } from "@angular/core/testing";
import { MatIconModule } from "@angular/material/icon";
import { BrowserModule } from "@angular/platform-browser";
import { BrowserAnimationsModule } from "@angular/platform-browser/animations";

import { TypedPolicyEditorComponent } from "./typed-policy-editor.component";

describe("TypedPolicyEditorComponent", () => {
  let component: TestTypedPolicyEditorComponentHostComponent;
  let fixture: ComponentFixture<TestTypedPolicyEditorComponentHostComponent>;

  beforeEach(async () => {
    TestBed.configureTestingModule({
      imports: [BrowserModule, BrowserAnimationsModule, MatIconModule],
      declarations: [
        TypedPolicyEditorComponent,
        TestTypedPolicyEditorComponentHostComponent,
      ],
      schemas: [CUSTOM_ELEMENTS_SCHEMA],
    }).compileComponents();
  });

  beforeEach(() => {
    fixture = TestBed.createComponent(
      TestTypedPolicyEditorComponentHostComponent
    );
    component = fixture.componentInstance;
    fixture.detectChanges();
  });

  it("should create", () => {
    expect(component).toBeTruthy();
  });

  it("should have JSON form visible and JSON and JSON Schema not visible", () => {
    let propertiesHeading = fixture.debugElement.nativeElement.querySelector(
      "#propertiesHeading"
    );
    expect(propertiesHeading).toBeTruthy();
    expect(propertiesHeading.innerText).toContain("Properties");
    let propertiesIcon = fixture.debugElement.nativeElement.querySelector(
      "#propertiesIcon"
    );
    expect(propertiesIcon).toBeTruthy();
    expect(propertiesIcon.innerText).toEqual("expand_less");
    let jsonForm = fixture.debugElement.nativeElement.querySelector(
      "json-schema-form"
    );
    expect(jsonForm).toBeTruthy();

    let jsonHeading = fixture.debugElement.nativeElement.querySelector(
      "#jsonHeading"
    );
    expect(jsonHeading).toBeTruthy();
    expect(jsonHeading.innerText).toContain("JSON");
    let jsonIcon = fixture.debugElement.nativeElement.querySelector(
      "#jsonIcon"
    );
    expect(jsonIcon).toBeTruthy();
    expect(jsonIcon.innerText).toEqual("expand_more");
    let jsonDiv = fixture.debugElement.nativeElement.querySelector("#jsonDiv");
    expect(jsonDiv).toBeFalsy();

    let schemaHeading = fixture.debugElement.nativeElement.querySelector(
      "#schemaHeading"
    );
    expect(schemaHeading).toBeTruthy();
    expect(schemaHeading.innerText).toContain("JSON Schema");
    let schemaIcon = fixture.debugElement.nativeElement.querySelector(
      "#schemaIcon"
    );
    expect(schemaIcon).toBeTruthy();
    expect(schemaIcon.innerText).toEqual("expand_more");
    let schemaDiv = fixture.debugElement.nativeElement.querySelector(
      "#schemaDiv"
    );
    expect(schemaDiv).toBeFalsy();
  });

  it("should hide JSON form", () => {
    let propertiesHeading = fixture.debugElement.nativeElement.querySelector(
      "#propertiesHeading"
    );
    expect(propertiesHeading).toBeTruthy();
    propertiesHeading.click();
    fixture.detectChanges();

    let propertiesIcon = fixture.debugElement.nativeElement.querySelector(
      "#propertiesIcon"
    );
    expect(propertiesIcon).toBeTruthy();
    expect(propertiesIcon.innerText).toEqual("expand_more");
    let propertiesDiv = fixture.debugElement.nativeElement.querySelector(
      "propertiesDiv"
    );
    expect(propertiesDiv).toBeFalsy();
  });

  it("should show JSON with text for dark mode", () => {
    let jsonHeading = fixture.debugElement.nativeElement.querySelector(
      "#jsonHeading"
    );
    expect(jsonHeading).toBeTruthy();
    jsonHeading.click();
    fixture.detectChanges();

    let jsonIcon = fixture.debugElement.nativeElement.querySelector(
      "#jsonIcon"
    );
    expect(jsonIcon).toBeTruthy();
    expect(jsonIcon.innerText).toEqual("expand_less");
    let jsonDiv = fixture.debugElement.nativeElement.querySelector("#jsonDiv");
    expect(jsonDiv).toBeTruthy();
    let jsonText = jsonDiv.querySelector("pre");
    expect(jsonText.classList).toContain("text__dark");
  });

  it("should show JSON Schema with text for dark mode", () => {
    let schemaHeading = fixture.debugElement.nativeElement.querySelector(
      "#schemaHeading"
    );
    expect(schemaHeading).toBeTruthy();
    schemaHeading.click();
    fixture.detectChanges();

    let schemaIcon = fixture.debugElement.nativeElement.querySelector(
      "#schemaIcon"
    );
    expect(schemaIcon).toBeTruthy();
    expect(schemaIcon.innerText).toEqual("expand_less");
    let schemaDiv = fixture.debugElement.nativeElement.querySelector(
      "#schemaDiv"
    );
    expect(schemaDiv).toBeTruthy();
    let jsonSchemaText = schemaDiv.querySelector("pre");
    expect(jsonSchemaText.classList).toContain("text__dark");
  });

  @Component({
    selector: `typed-policy-editor-host-component`,
    template: `<nrcp-typed-policy-editor
      [jsonObject]="policyJson"
      [jsonSchemaObject]="jsonSchemaObject"
      [darkMode]="true"
    ></nrcp-typed-policy-editor>`,
  })
  class TestTypedPolicyEditorComponentHostComponent {
    policyJson: string = '{"A":"A"}';
    jsonSchemaObject: string =
      'policy_schema": { "description": "Type 1 policy type", "title": "1", "type": "object", "properties": { "A": "string" }, "required": [ "A" ]}';
  }
});