"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Waiter = void 0;
var _errors = require("./errors");
var _stackTrace = require("../utils/isomorphic/stackTrace");
/**
 * 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.
 */

class Waiter {
  constructor(channelOwner, event) {
    this._dispose = void 0;
    this._failures = [];
    this._immediateError = void 0;
    this._logs = [];
    this._channelOwner = void 0;
    this._waitId = void 0;
    this._error = void 0;
    this._savedZone = void 0;
    this._waitId = channelOwner._platform.createGuid();
    this._channelOwner = channelOwner;
    this._savedZone = channelOwner._platform.zones.current().pop();
    this._channelOwner._channel.waitForEventInfo({
      info: {
        waitId: this._waitId,
        phase: 'before',
        event
      }
    }).catch(() => {});
    this._dispose = [() => this._channelOwner._wrapApiCall(async () => {
      await this._channelOwner._channel.waitForEventInfo({
        info: {
          waitId: this._waitId,
          phase: 'after',
          error: this._error
        }
      });
    }, true).catch(() => {})];
  }
  static createForEvent(channelOwner, event) {
    return new Waiter(channelOwner, event);
  }
  async waitForEvent(emitter, event, predicate) {
    const {
      promise,
      dispose
    } = waitForEvent(emitter, event, this._savedZone, predicate);
    return await this.waitForPromise(promise, dispose);
  }
  rejectOnEvent(emitter, event, error, predicate) {
    const {
      promise,
      dispose
    } = waitForEvent(emitter, event, this._savedZone, predicate);
    this._rejectOn(promise.then(() => {
      throw typeof error === 'function' ? error() : error;
    }), dispose);
  }
  rejectOnTimeout(timeout, message) {
    if (!timeout) return;
    const {
      promise,
      dispose
    } = waitForTimeout(timeout);
    this._rejectOn(promise.then(() => {
      throw new _errors.TimeoutError(message);
    }), dispose);
  }
  rejectImmediately(error) {
    this._immediateError = error;
  }
  dispose() {
    for (const dispose of this._dispose) dispose();
  }
  async waitForPromise(promise, dispose) {
    try {
      if (this._immediateError) throw this._immediateError;
      const result = await Promise.race([promise, ...this._failures]);
      if (dispose) dispose();
      return result;
    } catch (e) {
      if (dispose) dispose();
      this._error = e.message;
      this.dispose();
      (0, _stackTrace.rewriteErrorMessage)(e, e.message + formatLogRecording(this._logs));
      throw e;
    }
  }
  log(s) {
    this._logs.push(s);
    this._channelOwner._wrapApiCall(async () => {
      await this._channelOwner._channel.waitForEventInfo({
        info: {
          waitId: this._waitId,
          phase: 'log',
          message: s
        }
      });
    }, true).catch(() => {});
  }
  _rejectOn(promise, dispose) {
    this._failures.push(promise);
    if (dispose) this._dispose.push(dispose);
  }
}
exports.Waiter = Waiter;
function waitForEvent(emitter, event, savedZone, predicate) {
  let listener;
  const promise = new Promise((resolve, reject) => {
    listener = async eventArg => {
      await savedZone.run(async () => {
        try {
          if (predicate && !(await predicate(eventArg))) return;
          emitter.removeListener(event, listener);
          resolve(eventArg);
        } catch (e) {
          emitter.removeListener(event, listener);
          reject(e);
        }
      });
    };
    emitter.addListener(event, listener);
  });
  const dispose = () => emitter.removeListener(event, listener);
  return {
    promise,
    dispose
  };
}
function waitForTimeout(timeout) {
  let timeoutId;
  const promise = new Promise(resolve => timeoutId = setTimeout(resolve, timeout));
  const dispose = () => clearTimeout(timeoutId);
  return {
    promise,
    dispose
  };
}
function formatLogRecording(log) {
  if (!log.length) return '';
  const header = ` logs `;
  const headerLength = 60;
  const leftLength = (headerLength - header.length) / 2;
  const rightLength = headerLength - header.length - leftLength;
  return `\n${'='.repeat(leftLength)}${header}${'='.repeat(rightLength)}\n${log.join('\n')}\n${'='.repeat(headerLength)}`;
}