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

import '../../../ui/kit/kit.js';
import '../../../ui/legacy/components/data_grid/data_grid.js';

import * as i18n from '../../../core/i18n/i18n.js';
import * as Root from '../../../core/root/root.js';
import type * as Protocol from '../../../generated/protocol.js';
import * as UI from '../../../ui/legacy/legacy.js';
import * as Lit from '../../../ui/lit/lit.js';
import * as VisualLogging from '../../../ui/visual_logging/visual_logging.js';

import reportsGridStyles from './reportsGrid.css.js';

const UIStrings = {
  /**
   * @description Placeholder text when there are no Reporting API reports.
   *(https://developers.google.com/web/updates/2018/09/reportingapi#sending)
   */
  noReportsToDisplay: 'No reports to display',
  /**
   * @description Placeholder text that explains Reporting API reports.
   *(https://developers.google.com/web/updates/2018/09/reportingapi#sending)
   */
  reportingApiDescription: 'Here you will find reporting api reports that are generated by the page.',
  /**
   * @description Link text to forward to a documentation page on reporting API.
   */
  learnMore: 'Learn more',
  /**
   * @description Column header for a table displaying Reporting API reports.
   *Status is one of 'Queued', 'Pending', 'MarkedForRemoval' or 'Success'.
   */
  status: 'Status',
  /**
   * @description Column header for a table displaying Reporting API reports.
   *Destination is the name of the endpoint the report is being sent to.
   */
  destination: 'Destination',
  /**
   * @description Column header for a table displaying Reporting API reports.
   *The column contains the timestamp of when a report was generated.
   */
  generatedAt: 'Generated at',
} as const;
const str_ = i18n.i18n.registerUIStrings('panels/application/components/ReportsGrid.ts', UIStrings);
export const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);

const {render, html} = Lit;

const REPORTING_API_EXPLANATION_URL = 'https://developer.chrome.com/docs/capabilities/web-apis/reporting-api';

export interface ReportsGridData {
  reports: Protocol.Network.ReportingApiReport[];
}

export interface ViewInput {
  reports: Protocol.Network.ReportingApiReport[];
  protocolMonitorExperimentEnabled: boolean;
  onSelect: (id: string) => void;
}

export const DEFAULT_VIEW = (input: ViewInput, output: undefined, target: HTMLElement): void => {
  // clang-format off
  render(html`
    <style>${reportsGridStyles}</style>
    <style>${UI.inspectorCommonStyles}</style>
    <div class="reporting-container" jslog=${VisualLogging.section('reports')}>
      <div class="reporting-header">${i18n.i18n.lockedString('Reports')}</div>
      ${input.reports.length > 0 ? html`
        <devtools-data-grid striped>
          <table>
            <tr>
              ${input.protocolMonitorExperimentEnabled ? html`
                <th id="id" weight="30">${i18n.i18n.lockedString('ID')}</th>
              ` : ''}
              <th id="url" weight="30">${i18n.i18n.lockedString('URL')}</th>
              <th id="type" weight="20">${i18n.i18n.lockedString('Type')}</th>
              <th id="status" weight="20">
                <style>${reportsGridStyles}</style>
                <span class="status-header">${i18nString(UIStrings.status)}</span>
                <devtools-link href="https://web.dev/reporting-api/#report-status"
                jslogcontext="report-status">
                  <devtools-icon class="inline-icon medium" name="help" style="color: var(--icon-link);"
                  ></devtools-icon>
                </devtools-link>
              </th>
              <th id="destination" weight="20">${i18nString(UIStrings.destination)}</th>
              <th id="timestamp" weight="20">${i18nString(UIStrings.generatedAt)}</th>
              <th id="body" weight="20">${i18n.i18n.lockedString('Body')}</th>
            </tr>
            ${input.reports.map(report => html`
              <tr @select=${() =>input.onSelect(report.id)}>
                ${input.protocolMonitorExperimentEnabled ? html`<td>${report.id}</td>` : ''}
                <td>${report.initiatorUrl}</td>
                <td>${report.type}</td>
                <td>${report.status}</td>
                <td>${report.destination}</td>
                <td>${new Date(report.timestamp * 1000).toLocaleString()}</td>
                <td>${JSON.stringify(report.body)}</td>
              </tr>
            `)}
          </table>
        </devtools-data-grid>
      ` : html`
        <div class="empty-state">
          <span class="empty-state-header">${i18nString(UIStrings.noReportsToDisplay)}</span>
          <div class="empty-state-description">
            <span>${i18nString(UIStrings.reportingApiDescription)}</span>
            <devtools-link
              class="devtools-link"
              href=${REPORTING_API_EXPLANATION_URL}
              jslogcontext="learn-more"
            >${i18nString(UIStrings.learnMore)}</devtools-link>
          </div>
        </div>
      `}
    </div>
  `, target);
  // clang-format on
};

type View = typeof DEFAULT_VIEW;

export class ReportsGrid extends UI.Widget.Widget {
  reports: Protocol.Network.ReportingApiReport[] = [];
  #protocolMonitorExperimentEnabled = false;
  #view: View;
  onReportSelected: (id: string) => void = () => {};

  constructor(element?: HTMLElement, view: View = DEFAULT_VIEW) {
    super(element);
    this.#view = view;
    this.#protocolMonitorExperimentEnabled =
        Root.Runtime.experiments.isEnabled(Root.ExperimentNames.ExperimentName.PROTOCOL_MONITOR);
    this.requestUpdate();
  }

  override performUpdate(): void {
    const viewInput = {
      reports: this.reports,
      protocolMonitorExperimentEnabled: this.#protocolMonitorExperimentEnabled,
      onSelect: this.onReportSelected,
    };
    this.#view(viewInput, undefined, this.contentElement);
  }
}