// 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.

/*
 * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
 * Copyright (C) IBM Corp. 2009  All rights reserved.
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import * as Common from '../../core/common/common.js';
import * as Host from '../../core/host/host.js';
import * as i18n from '../../core/i18n/i18n.js';
import * as SDK from '../../core/sdk/sdk.js';
import * as ObjectUI from '../../ui/legacy/components/object_ui/object_ui.js';
// eslint-disable-next-line rulesdir/es_modules_import
import objectPropertiesSectionStyles from '../../ui/legacy/components/object_ui/objectPropertiesSection.css.js';
// eslint-disable-next-line rulesdir/es_modules_import
import objectValueStyles from '../../ui/legacy/components/object_ui/objectValue.css.js';
import * as UI from '../../ui/legacy/legacy.js';

import requestPayloadTreeStyles from './requestPayloadTree.css.js';
import requestPayloadViewStyles from './requestPayloadView.css.js';
const UIStrings = {
  /**
  *@description A context menu item in the Watch Expressions Sidebar Pane of the Sources panel and Network pane request.
  */
  copyValue: 'Copy value',
  /**
  * @description Text in Request Payload View of the Network panel. This is a noun-phrase meaning the
  * payload of a network request.
  */
  requestPayload: 'Request Payload',
  /**
  *@description Text in Request Payload View of the Network panel
  */
  unableToDecodeValue: '(unable to decode value)',
  /**
  *@description Text in Request Payload View of the Network panel
  */
  queryStringParameters: 'Query String Parameters',
  /**
  *@description Text in Request Payload View of the Network panel
  */
  formData: 'Form Data',
  /**
  *@description Text to show more content
  */
  showMore: 'Show more',
  /**
  *@description Text for toggling the view of payload data (e.g. query string parameters) from source to parsed in the payload tab
  */
  viewParsed: 'View parsed',
  /**
  *@description Text to show an item is empty
  */
  empty: '(empty)',
  /**
  *@description Text for toggling the view of payload data (e.g. query string parameters) from parsed to source in the payload tab
  */
  viewSource: 'View source',
  /**
  * @description Text for toggling payload data (e.g. query string parameters) from decoded to
  * encoded in the payload tab or in the cookies preview. URL-encoded is a different data format for
  * the same data, which the user sees when they click this command.
  */
  viewUrlEncoded: 'View URL-encoded',
  /**
  *@description Text for toggling payload data (e.g. query string parameters) from encoded to decoded in the payload tab or in the cookies preview
  */
  viewDecoded: 'View decoded',
  /**
  *@description Text for toggling payload data (e.g. query string parameters) from decoded to
  * encoded in the payload tab or in the cookies preview. URL-encoded is a different data format for
  * the same data, which the user sees when they click this command.
  */
  viewUrlEncodedL: 'view URL-encoded',
  /**
  *@description Text in Request Payload View of the Network panel
  */
  viewDecodedL: 'view decoded',
  /**
  *@description Text in Request Payload View of the Network panel
  */
  viewParsedL: 'view parsed',
  /**
  *@description Text in Request Payload View of the Network panel
  */
  viewSourceL: 'view source',
};
const str_ = i18n.i18n.registerUIStrings('panels/network/RequestPayloadView.ts', UIStrings);
const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);
export class RequestPayloadView extends UI.Widget.VBox {
  private request: SDK.NetworkRequest.NetworkRequest;
  private decodeRequestParameters: boolean;
  private queryStringCategory: Category;
  private formDataCategory: Category;
  private requestPayloadCategory: Category;

  constructor(request: SDK.NetworkRequest.NetworkRequest) {
    super();
    this.element.classList.add('request-payload-view');

    this.request = request;
    this.decodeRequestParameters = true;

    const contentType = request.requestContentType();
    if (contentType) {
      this.decodeRequestParameters = Boolean(contentType.match(/^application\/x-www-form-urlencoded\s*(;.*)?$/i));
    }

    const root = new UI.TreeOutline.TreeOutlineInShadow();
    root.registerCSSFiles([objectValueStyles, objectPropertiesSectionStyles, requestPayloadTreeStyles]);
    root.element.classList.add('request-payload-tree');
    root.makeDense();
    this.element.appendChild(root.element);

    this.queryStringCategory = new Category(root, 'queryString', '');
    this.formDataCategory = new Category(root, 'formData', '');
    this.requestPayloadCategory = new Category(root, 'requestPayload', i18nString(UIStrings.requestPayload));
  }

  wasShown(): void {
    this.registerCSSFiles([requestPayloadViewStyles]);
    this.request.addEventListener(SDK.NetworkRequest.Events.RequestHeadersChanged, this.refreshFormData, this);

    this.refreshQueryString();
    void this.refreshFormData();
    // this._root.select(/* omitFocus */ true, /* selectedByUser */ false);
  }

  willHide(): void {
    this.request.removeEventListener(SDK.NetworkRequest.Events.RequestHeadersChanged, this.refreshFormData, this);
  }

  private addEntryContextMenuHandler(treeElement: UI.TreeOutline.TreeElement, value: string): void {
    treeElement.listItemElement.addEventListener('contextmenu', event => {
      event.consume(true);
      const contextMenu = new UI.ContextMenu.ContextMenu(event);
      const decodedValue = decodeURIComponent(value);
      const copyDecodedValueHandler = (): void => {
        Host.userMetrics.actionTaken(Host.UserMetrics.Action.NetworkPanelCopyValue);
        Host.InspectorFrontendHost.InspectorFrontendHostInstance.copyText(decodedValue);
      };
      contextMenu.clipboardSection().appendItem(i18nString(UIStrings.copyValue), copyDecodedValueHandler);
      void contextMenu.show();
    });
  }

  private formatParameter(value: string, className: string, decodeParameters: boolean): Element {
    let errorDecoding = false;

    if (decodeParameters) {
      value = value.replace(/\+/g, ' ');
      if (value.indexOf('%') >= 0) {
        try {
          value = decodeURIComponent(value);
        } catch (e) {
          errorDecoding = true;
        }
      }
    }
    const div = document.createElement('div');
    if (className) {
      div.className = className;
    }
    if (value === '') {
      div.classList.add('empty-value');
    }
    if (errorDecoding) {
      div.createChild('span', 'payload-decode-error').textContent = i18nString(UIStrings.unableToDecodeValue);
    } else {
      div.textContent = value;
    }
    return div;
  }

  private refreshQueryString(): void {
    const queryString = this.request.queryString();
    const queryParameters = this.request.queryParameters;
    this.queryStringCategory.hidden = !queryParameters;
    if (queryParameters) {
      this.refreshParams(
          i18nString(UIStrings.queryStringParameters), queryParameters, queryString, this.queryStringCategory);
    }
  }

  private async refreshFormData(): Promise<void> {
    const formData = await this.request.requestFormData();
    if (!formData) {
      this.formDataCategory.hidden = true;
      this.requestPayloadCategory.hidden = true;
      return;
    }

    const formParameters = await this.request.formParameters();
    if (formParameters) {
      this.formDataCategory.hidden = false;
      this.requestPayloadCategory.hidden = true;
      this.refreshParams(i18nString(UIStrings.formData), formParameters, formData, this.formDataCategory);
    } else {
      this.requestPayloadCategory.hidden = false;
      this.formDataCategory.hidden = true;
      try {
        const json = JSON.parse(formData);
        this.refreshRequestJSONPayload(json, formData);
      } catch (e) {
        this.populateTreeElementWithSourceText(this.requestPayloadCategory, formData);
      }
    }
  }

  private populateTreeElementWithSourceText(treeElement: UI.TreeOutline.TreeElement, sourceText: string|null): void {
    // TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration)
    // eslint-disable-next-line @typescript-eslint/naming-convention
    const max_len = 3000;
    const text = (sourceText || '').trim();
    const trim = text.length > max_len;

    const sourceTextElement = document.createElement('span');
    sourceTextElement.classList.add('payload-value');
    sourceTextElement.classList.add('source-code');
    sourceTextElement.textContent = trim ? text.substr(0, max_len) : text;

    const sourceTreeElement = new UI.TreeOutline.TreeElement(sourceTextElement);
    treeElement.removeChildren();
    treeElement.appendChild(sourceTreeElement);
    if (!trim) {
      return;
    }

    const showMoreButton = document.createElement('button');
    showMoreButton.classList.add('request-payload-show-more-button');
    showMoreButton.textContent = i18nString(UIStrings.showMore);

    function showMore(): void {
      showMoreButton.remove();
      sourceTextElement.textContent = text;
      sourceTreeElement.listItemElement.removeEventListener('contextmenu', onContextMenuShowMore);
    }
    showMoreButton.addEventListener('click', showMore);

    function onContextMenuShowMore(event: Event): void {
      const contextMenu = new UI.ContextMenu.ContextMenu(event);
      const section = contextMenu.newSection();
      section.appendItem(i18nString(UIStrings.showMore), showMore);
      void contextMenu.show();
    }
    sourceTreeElement.listItemElement.addEventListener('contextmenu', onContextMenuShowMore);
    sourceTextElement.appendChild(showMoreButton);
  }

  private refreshParams(
      title: string, params: SDK.NetworkRequest.NameValue[]|null, sourceText: string|null,
      paramsTreeElement: UI.TreeOutline.TreeElement): void {
    paramsTreeElement.removeChildren();

    paramsTreeElement.listItemElement.removeChildren();
    paramsTreeElement.listItemElement.createChild('div', 'selection fill');
    UI.UIUtils.createTextChild(paramsTreeElement.listItemElement, title);

    const payloadCount = document.createElement('span');
    payloadCount.classList.add('payload-count');
    const numberOfParams = params ? params.length : 0;
    payloadCount.textContent = `\xA0(${numberOfParams})`;
    paramsTreeElement.listItemElement.appendChild(payloadCount);

    const shouldViewSource = viewSourceForItems.has(paramsTreeElement);
    if (shouldViewSource) {
      this.appendParamsSource(title, params, sourceText, paramsTreeElement);
    } else {
      this.appendParamsParsed(title, params, sourceText, paramsTreeElement);
    }
  }

  private appendParamsSource(
      title: string, params: SDK.NetworkRequest.NameValue[]|null, sourceText: string|null,
      paramsTreeElement: UI.TreeOutline.TreeElement): void {
    this.populateTreeElementWithSourceText(paramsTreeElement, sourceText);

    const listItemElement = paramsTreeElement.listItemElement;

    const viewParsed = function(this: RequestPayloadView, event: Event): void {
      listItemElement.removeEventListener('contextmenu', viewParsedContextMenu);

      viewSourceForItems.delete(paramsTreeElement);
      this.refreshParams(title, params, sourceText, paramsTreeElement);
      event.consume();
    };

    const viewParsedContextMenu = (event: Event): void => {
      if (!paramsTreeElement.expanded) {
        return;
      }
      const contextMenu = new UI.ContextMenu.ContextMenu(event);
      contextMenu.newSection().appendItem(i18nString(UIStrings.viewParsed), viewParsed.bind(this, event));
      void contextMenu.show();
    };

    const viewParsedButton = this.createViewSourceToggle(/* viewSource */ true, viewParsed.bind(this));
    listItemElement.appendChild(viewParsedButton);

    listItemElement.addEventListener('contextmenu', viewParsedContextMenu);
  }

  private appendParamsParsed(
      title: string, params: SDK.NetworkRequest.NameValue[]|null, sourceText: string|null,
      paramsTreeElement: UI.TreeOutline.TreeElement): void {
    for (const param of params || []) {
      const paramNameValue = document.createDocumentFragment();
      if (param.name !== '') {
        const name = this.formatParameter(param.name + ': ', 'payload-name', this.decodeRequestParameters);
        const value = this.formatParameter(param.value, 'payload-value source-code', this.decodeRequestParameters);
        paramNameValue.appendChild(name);
        paramNameValue.createChild('span', 'payload-separator');
        paramNameValue.appendChild(value);
      } else {
        paramNameValue.appendChild(
            this.formatParameter(i18nString(UIStrings.empty), 'empty-request-payload', this.decodeRequestParameters));
      }

      const paramTreeElement = new UI.TreeOutline.TreeElement(paramNameValue);
      this.addEntryContextMenuHandler(paramTreeElement, param.value);
      paramsTreeElement.appendChild(paramTreeElement);
    }

    const listItemElement = paramsTreeElement.listItemElement;

    const viewSource = function(this: RequestPayloadView, event: Event): void {
      listItemElement.removeEventListener('contextmenu', viewSourceContextMenu);

      viewSourceForItems.add(paramsTreeElement);
      this.refreshParams(title, params, sourceText, paramsTreeElement);
      event.consume();
    };

    const toggleURLDecoding = function(this: RequestPayloadView, event: Event): void {
      listItemElement.removeEventListener('contextmenu', viewSourceContextMenu);
      this.toggleURLDecoding(event);
    };

    const viewSourceContextMenu = (event: Event): void => {
      if (!paramsTreeElement.expanded) {
        return;
      }
      const contextMenu = new UI.ContextMenu.ContextMenu(event);
      const section = contextMenu.newSection();
      section.appendItem(i18nString(UIStrings.viewSource), viewSource.bind(this, event));
      const viewURLEncodedText =
          this.decodeRequestParameters ? i18nString(UIStrings.viewUrlEncoded) : i18nString(UIStrings.viewDecoded);
      section.appendItem(viewURLEncodedText, toggleURLDecoding.bind(this, event));
      void contextMenu.show();
    };

    const viewSourceButton = this.createViewSourceToggle(/* viewSource */ false, viewSource.bind(this));
    listItemElement.appendChild(viewSourceButton);

    const toggleTitle =
        this.decodeRequestParameters ? i18nString(UIStrings.viewUrlEncodedL) : i18nString(UIStrings.viewDecodedL);
    const toggleButton = this.createToggleButton(toggleTitle);
    toggleButton.addEventListener('click', toggleURLDecoding.bind(this), false);
    listItemElement.appendChild(toggleButton);

    listItemElement.addEventListener('contextmenu', viewSourceContextMenu);
  }

  // TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration)
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  private refreshRequestJSONPayload(parsedObject: any, sourceText: string): void {
    const rootListItem = this.requestPayloadCategory;
    rootListItem.removeChildren();

    const rootListItemElement = rootListItem.listItemElement;
    rootListItemElement.removeChildren();
    rootListItemElement.createChild('div', 'selection fill');
    UI.UIUtils.createTextChild(rootListItemElement, this.requestPayloadCategory.title.toString());

    if (viewSourceForItems.has(rootListItem)) {
      this.appendJSONPayloadSource(rootListItem, parsedObject, sourceText);
    } else {
      this.appendJSONPayloadParsed(rootListItem, parsedObject, sourceText);
    }
  }

  // TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration)
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  private appendJSONPayloadSource(rootListItem: Category, parsedObject: any, sourceText: string): void {
    const rootListItemElement = rootListItem.listItemElement;
    this.populateTreeElementWithSourceText(rootListItem, sourceText);

    const viewParsed = function(this: RequestPayloadView, event: Event): void {
      rootListItemElement.removeEventListener('contextmenu', viewParsedContextMenu);
      viewSourceForItems.delete(rootListItem);
      this.refreshRequestJSONPayload(parsedObject, sourceText);
      event.consume();
    };

    const viewParsedButton = this.createViewSourceToggle(/* viewSource */ true, viewParsed.bind(this));
    rootListItemElement.appendChild(viewParsedButton);

    const viewParsedContextMenu = (event: Event): void => {
      if (!rootListItem.expanded) {
        return;
      }
      const contextMenu = new UI.ContextMenu.ContextMenu(event);
      contextMenu.newSection().appendItem(i18nString(UIStrings.viewParsed), viewParsed.bind(this, event));
      void contextMenu.show();
    };

    rootListItemElement.addEventListener('contextmenu', viewParsedContextMenu);
  }

  // TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration)
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  private appendJSONPayloadParsed(rootListItem: Category, parsedObject: any, sourceText: string): void {
    const object = (SDK.RemoteObject.RemoteObject.fromLocalObject(parsedObject) as SDK.RemoteObject.LocalJSONObject);
    const section = new ObjectUI.ObjectPropertiesSection.RootElement(object);
    section.title = (object.description as string);
    section.expand();
    // `editable` is not a valid property for `ObjectUI.ObjectPropertiesSection.RootElement`. Only for
    // `ObjectUI.ObjectPropertiesSection.ObjectPropertiesSection`. We do not know if this assignment is
    // safe to delete.
    // @ts-ignore
    section.editable = false;
    rootListItem.childrenListElement.classList.add('source-code', 'object-properties-section');

    rootListItem.appendChild(section);
    const rootListItemElement = rootListItem.listItemElement;

    const viewSource = function(this: RequestPayloadView, event: Event): void {
      rootListItemElement.removeEventListener('contextmenu', viewSourceContextMenu);

      viewSourceForItems.add(rootListItem);
      this.refreshRequestJSONPayload(parsedObject, sourceText);
      event.consume();
    };

    const viewSourceContextMenu = (event: Event): void => {
      if (!rootListItem.expanded) {
        return;
      }
      const contextMenu = new UI.ContextMenu.ContextMenu(event);
      contextMenu.newSection().appendItem(i18nString(UIStrings.viewSource), viewSource.bind(this, event));
      void contextMenu.show();
    };

    const viewSourceButton = this.createViewSourceToggle(/* viewSource */ false, viewSource.bind(this));
    rootListItemElement.appendChild(viewSourceButton);

    rootListItemElement.addEventListener('contextmenu', viewSourceContextMenu);
  }

  private createViewSourceToggle(viewSource: boolean, handler: (arg0: Event) => void): Element {
    const viewSourceToggleTitle = viewSource ? i18nString(UIStrings.viewParsedL) : i18nString(UIStrings.viewSourceL);
    const viewSourceToggleButton = this.createToggleButton(viewSourceToggleTitle);
    viewSourceToggleButton.addEventListener('click', handler, false);
    return viewSourceToggleButton;
  }

  private toggleURLDecoding(event: Event): void {
    this.decodeRequestParameters = !this.decodeRequestParameters;
    this.refreshQueryString();
    void this.refreshFormData();
    event.consume();
  }

  private createToggleButton(title: string): Element {
    const button = document.createElement('span');
    button.classList.add('payload-toggle');
    button.tabIndex = 0;
    button.setAttribute('role', 'button');
    button.textContent = title;
    return button;
  }
}

const viewSourceForItems = new WeakSet<Category|UI.TreeOutline.TreeElement>();

export class Category extends UI.TreeOutline.TreeElement {
  toggleOnClick: boolean;
  private readonly expandedSetting: Common.Settings.Setting<boolean>;
  expanded: boolean;

  constructor(root: UI.TreeOutline.TreeOutline, name: string, title?: string) {
    super(title || '', true);
    this.toggleOnClick = true;
    this.hidden = true;
    this.expandedSetting =
        Common.Settings.Settings.instance().createSetting('request-info-' + name + '-category-expanded', true);
    this.expanded = this.expandedSetting.get();
    root.appendChild(this);
  }

  createLeaf(): UI.TreeOutline.TreeElement {
    const leaf = new UI.TreeOutline.TreeElement();
    this.appendChild(leaf);
    return leaf;
  }

  onexpand(): void {
    this.expandedSetting.set(true);
  }

  oncollapse(): void {
    this.expandedSetting.set(false);
  }
}