export {};

declare global {
  /**
   * @deprecated {@link Tabs.Configuration | `Tabs.Configuration`}
   */
  type TabsConfiguration = Tabs.Configuration;

  /**
   * A controller class for managing tabbed navigation within an Application instance.
   * @see {@link Application | `Application`}
   *
   * @example Configure tab-control for a set of HTML elements
   * ```html
   * <!-- Example HTML -->
   * <nav class="tabs" data-group="primary-tabs">
   *   <a class="item" data-tab="tab1">Tab 1</li>
   *   <a class="item" data-tab="tab2">Tab 2</li>
   * </nav>
   *
   * <section class="content">
   *   <div class="tab" data-tab="tab1" data-group="primary-tabs">Content 1</div>
   *   <div class="tab" data-tab="tab2" data-group="primary-tabs">Content 2</div>
   * </section>
   * ```
   * Activate tab control in JavaScript
   * ```typescript
   * // JavaScript
   * const tabs = new Tabs({navSelector: ".tabs", contentSelector: ".content", initial: "tab1"});
   * tabs.bind(html);
   * ```
   */
  class Tabs {
    /**
     * @param config - The Tabs Configuration to use for this tabbed container
     */
    constructor(config: Tabs.Configuration);

    /**
     * The name of the tabs group
     */
    group: Tabs.Configuration["group"];

    /**
     * The value of the active tab
     */
    active: Tabs.Configuration["initial"];

    /**
     * A callback function to trigger when the tab is changed
     */
    callback: Tabs.Configuration["callback"];

    /**
     * The CSS selector used to target the tab navigation element
     */
    protected _navSelector: Tabs.Configuration["navSelector"];

    /**
     * A reference to the HTML navigation element the tab controller is bound to
     * @defaultValue `null`
     */
    protected _nav: HTMLElement | null;

    /**
     * The CSS selector used to target the tab content element
     */
    protected _contentSelector: Tabs.Configuration["contentSelector"];

    /**
     * A reference to the HTML container element of the tab content
     * @defaultValue `null`
     */
    protected _content: HTMLElement | null;

    /**
     * Bind the Tabs controller to an HTML application
     */
    bind(html: HTMLElement): void;

    /**
     * Activate a new tab by name
     * @param triggerCallback - (default: `false`)
     */
    activate(tabName: string, { triggerCallback }?: { triggerCallback?: boolean }): void;

    /**
     * Handle click events on the tab navigation entries
     * @param event - A left click event
     */
    protected _onClickNav(event: MouseEvent): void;
  }

  namespace Tabs {
    interface Configuration {
      /**
       * The name of the tabs group
       */
      group?: string;

      /**
       * The CSS selector used to target the navigation element for these tabs
       */
      navSelector: string;

      /**
       * The CSS selector used to target the content container for these tabs
       */
      contentSelector?: string;

      /**
       * The tab name of the initially active tab
       */
      initial?: string;

      /**
       * An optional callback function that executes when the active tab is changed
       */
      callback?: ((event: MouseEvent | null, tabs: Tabs, tabName: string) => unknown) | null;
    }
  }

  const TabsV2: typeof Tabs;
}