// Copyright 2021 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import * as i18n from '../../core/i18n/i18n.js';
import type * as Platform from '../../core/platform/platform.js';
import * as SDK from '../../core/sdk/sdk.js';
import * as UI from '../../ui/legacy/legacy.js';

import {ApplicationPanelTreeElement} from './ApplicationPanelTreeElement.js';
import * as ApplicationComponents from './components/components.js';
import type {ResourcesPanel} from './ResourcesPanel.js';
import * as Host from '../../core/host/host.js';

const UIStrings = {
  /**
  *@description Hover text for an info icon in the Trust Token panel
  */
  trustTokens: 'Trust Tokens',
};
const str_ = i18n.i18n.registerUIStrings('panels/application/TrustTokensTreeElement.ts', UIStrings);
export const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);

/** Fetch the Trust Token data regularly from the backend while the panel is open */
const REFRESH_INTERVAL_MS = 1000;

export class TrustTokensTreeElement extends ApplicationPanelTreeElement {
  private view?: TrustTokensViewWidgetWrapper;

  constructor(storagePanel: ResourcesPanel) {
    super(storagePanel, i18nString(UIStrings.trustTokens), false);
    const icon = UI.Icon.Icon.create('mediumicon-database', 'resource-tree-item');
    this.setLeadingIcons([icon]);
  }

  get itemURL(): Platform.DevToolsPath.UrlString {
    return 'trustTokens://' as Platform.DevToolsPath.UrlString;
  }

  onselect(selectedByUser?: boolean): boolean {
    super.onselect(selectedByUser);
    if (!this.view) {
      this.view = new TrustTokensViewWidgetWrapper();
    }
    this.showView(this.view);
    Host.userMetrics.panelShown(Host.UserMetrics.PanelCodes[Host.UserMetrics.PanelCodes.trust_tokens]);
    return false;
  }
}

export class TrustTokensViewWidgetWrapper extends UI.ThrottledWidget.ThrottledWidget {
  private readonly trustTokensView = new ApplicationComponents.TrustTokensView.TrustTokensView();

  constructor() {
    super(/* isWebComponent */ false, REFRESH_INTERVAL_MS);
    this.contentElement.appendChild(this.trustTokensView);
    this.update();
  }

  protected async doUpdate(): Promise<void> {
    const mainTarget = SDK.TargetManager.TargetManager.instance().mainTarget();
    if (!mainTarget) {
      return;
    }
    const {tokens} = await mainTarget.storageAgent().invoke_getTrustTokens();
    this.trustTokensView.data = {
      tokens,
      deleteClickHandler: (issuer: string): void => {
        void mainTarget.storageAgent().invoke_clearTrustTokens({issuerOrigin: issuer});
      },
    };

    this.update();
  }
}