export default class FullscreenDialog
{
  protected rootElement: HTMLDivElement;
  protected window: HTMLDivElement;
  protected title: HTMLHeadElement;
  protected message: HTMLParagraphElement;
  protected extendedInputArea: HTMLDivElement;
  protected buttonArea: HTMLDivElement;

  public constructor(title: string, message: string) {
    this.rootElement = document.createElement('div');
    this.rootElement.classList.add('notification');

    this.window = document.createElement('div');
    this.window.classList.add('notification-window');
    this.rootElement.appendChild(this.window);

    this.title = document.createElement('h1');
    this.title.classList.add('notification-headline');
    this.title.innerText = title;
    this.window.appendChild(this.title);

    this.message = document.createElement('p');
    this.message.innerText = message;
    this.window.appendChild(this.message);

    this.extendedInputArea = document.createElement('div');
    this.extendedInputArea.classList.add('notification-extended-input-area');
    this.window.appendChild(this.extendedInputArea);

    this.buttonArea = document.createElement('div');
    this.buttonArea.classList.add('notification-button-area');
    this.window.appendChild(this.buttonArea);

    document.body.appendChild(this.rootElement);
  }

  public addButton(title: string, callback: () => void = () => {}): void
  {
    const button = document.createElement('button');

    button.classList.add('notification-button');
    button.innerText = title;
    button.onclick = () => {
      callback();
      this.close();
    };

    this.buttonArea.appendChild(button);
  }

  public addUrlButton(title: string, url: string): void
  {
    const button = document.createElement('a');

    button.classList.add('notification-button');
    button.innerText = title;
    button.href = url;
    button.onclick = () => {this.close(); };

    this.buttonArea.appendChild(button);
  }

  public addExtendedInputElement(element: HTMLElement): void
  {
    this.extendedInputArea.appendChild(element);
  }

  public close(): void
  {
    this.rootElement.remove();
  }
}