"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createProtocolError = createProtocolError;
exports.WKSession = exports.WKConnection = exports.kPageProxyMessageReceived = exports.kBrowserCloseMessageId = void 0;

var _events = require("events");

var _utils = require("../../utils/utils");

var _stackTrace = require("../../utils/stackTrace");

var _debugLogger = require("../../utils/debugLogger");

var _helper = require("../helper");

var _errors = require("../../utils/errors");

var _protocolError = require("../protocolError");

/**
 * Copyright 2017 Google Inc. All rights reserved.
 * Modifications copyright (c) Microsoft Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// WKPlaywright uses this special id to issue Browser.close command which we
// should ignore.
const kBrowserCloseMessageId = -9999; // We emulate kPageProxyMessageReceived message to unify it with Browser.pageProxyCreated
// and Browser.pageProxyDestroyed for easier management.

exports.kBrowserCloseMessageId = kBrowserCloseMessageId;
const kPageProxyMessageReceived = 'kPageProxyMessageReceived';
exports.kPageProxyMessageReceived = kPageProxyMessageReceived;

class WKConnection {
  constructor(transport, onDisconnect, protocolLogger, browserLogsCollector) {
    this._transport = void 0;
    this._onDisconnect = void 0;
    this._protocolLogger = void 0;
    this._browserLogsCollector = void 0;
    this._lastId = 0;
    this._closed = false;
    this.browserSession = void 0;
    this._transport = transport;
    this._transport.onmessage = this._dispatchMessage.bind(this);
    this._transport.onclose = this._onClose.bind(this);
    this._onDisconnect = onDisconnect;
    this._protocolLogger = protocolLogger;
    this._browserLogsCollector = browserLogsCollector;
    this.browserSession = new WKSession(this, '', _errors.kBrowserClosedError, message => {
      this.rawSend(message);
    });
  }

  nextMessageId() {
    return ++this._lastId;
  }

  rawSend(message) {
    this._protocolLogger('send', message);

    this._transport.send(message);
  }

  _dispatchMessage(message) {
    this._protocolLogger('receive', message);

    if (message.id === kBrowserCloseMessageId) return;

    if (message.pageProxyId) {
      const payload = {
        message: message,
        pageProxyId: message.pageProxyId
      };
      this.browserSession.dispatchMessage({
        method: kPageProxyMessageReceived,
        params: payload
      });
      return;
    }

    this.browserSession.dispatchMessage(message);
  }

  _onClose() {
    this._closed = true;
    this._transport.onmessage = undefined;
    this._transport.onclose = undefined;
    this.browserSession.dispose(true);

    this._onDisconnect();
  }

  isClosed() {
    return this._closed;
  }

  close() {
    if (!this._closed) this._transport.close();
  }

}

exports.WKConnection = WKConnection;

class WKSession extends _events.EventEmitter {
  constructor(connection, sessionId, errorText, rawSend) {
    super();
    this.connection = void 0;
    this.errorText = void 0;
    this.sessionId = void 0;
    this._disposed = false;
    this._rawSend = void 0;
    this._callbacks = new Map();
    this._crashed = false;
    this.on = void 0;
    this.addListener = void 0;
    this.off = void 0;
    this.removeListener = void 0;
    this.once = void 0;
    this.setMaxListeners(0);
    this.connection = connection;
    this.sessionId = sessionId;
    this._rawSend = rawSend;
    this.errorText = errorText;
    this.on = super.on;
    this.off = super.removeListener;
    this.addListener = super.addListener;
    this.removeListener = super.removeListener;
    this.once = super.once;
  }

  async send(method, params) {
    if (this._crashed) throw new _protocolError.ProtocolError(true, 'Target crashed');
    if (this._disposed) throw new _protocolError.ProtocolError(true, `Target closed`);
    const id = this.connection.nextMessageId();
    const messageObj = {
      id,
      method,
      params
    };

    this._rawSend(messageObj);

    return new Promise((resolve, reject) => {
      this._callbacks.set(id, {
        resolve,
        reject,
        error: new _protocolError.ProtocolError(false),
        method
      });
    });
  }

  sendMayFail(method, params) {
    return this.send(method, params).catch(error => _debugLogger.debugLogger.log('error', error));
  }

  markAsCrashed() {
    this._crashed = true;
  }

  isDisposed() {
    return this._disposed;
  }

  dispose(disconnected) {
    if (disconnected) this.errorText = 'Browser closed.' + _helper.helper.formatBrowserLogs(this.connection._browserLogsCollector.recentLogs());

    for (const callback of this._callbacks.values()) {
      callback.error.sessionClosed = true;
      callback.reject((0, _stackTrace.rewriteErrorMessage)(callback.error, this.errorText));
    }

    this._callbacks.clear();

    this._disposed = true;
  }

  dispatchMessage(object) {
    if (object.id && this._callbacks.has(object.id)) {
      const callback = this._callbacks.get(object.id);

      this._callbacks.delete(object.id);

      if (object.error) callback.reject(createProtocolError(callback.error, callback.method, object.error));else callback.resolve(object.result);
    } else if (object.id && !object.error) {
      // Response might come after session has been disposed and rejected all callbacks.
      (0, _utils.assert)(this.isDisposed());
    } else {
      Promise.resolve().then(() => this.emit(object.method, object.params));
    }
  }

}

exports.WKSession = WKSession;

function createProtocolError(error, method, protocolError) {
  let message = `Protocol error (${method}): ${protocolError.message}`;
  if ('data' in protocolError) message += ` ${JSON.stringify(protocolError.data)}`;
  return (0, _stackTrace.rewriteErrorMessage)(error, message);
}