text: "use strict";
  var __assign = (this && this.__assign) || function () {
      __assign = Object.assign || function(t) {
          for (var s, i = 1, n = arguments.length; i < n; i++) {
              s = arguments[i];
              for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                  t[p] = s[p];
          }
          return t;
      };
      return __assign.apply(this, arguments);
  };
  var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
      function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
      return new (P || (P = Promise))(function (resolve, reject) {
          function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
          function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
          function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
          step((generator = generator.apply(thisArg, _arguments || [])).next());
      });
  };
  var __generator = (this && this.__generator) || function (thisArg, body) {
      var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
      return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
      function verb(n) { return function (v) { return step([n, v]); }; }
      function step(op) {
          if (f) throw new TypeError("Generator is already executing.");
          while (_) try {
              if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
              if (y = 0, t) op = [op[0] & 2, t.value];
              switch (op[0]) {
                  case 0: case 1: t = op; break;
                  case 4: _.label++; return { value: op[1], done: false };
                  case 5: _.label++; y = op[1]; op = [0]; continue;
                  case 7: op = _.ops.pop(); _.trys.pop(); continue;
                  default:
                      if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                      if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                      if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                      if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                      if (t[2]) _.ops.pop();
                      _.trys.pop(); continue;
              }
              op = body.call(thisArg, _);
          } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
          if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
      }
  };
  Object.defineProperty(exports, "__esModule", { value: true });
  exports.tryObtainValueWithRetries = exports.conditionWatcher = exports.repeatTask = void 0;
  var future_1 = require("./future");
  var logger_1 = require("./logger");
  /**
   * Given task options, creates the task logger
   *
   * It will prefix taskName to the logs
   */
  var createTaskLogger = function (opts) {
      if (opts.logger) {
          return (0, logger_1.prefixLogger)(opts.name, opts.logger);
      }
      else {
          return logger_1.noopLogger;
      }
  };
  /**
   * Runs an async function eternally until stopped
   *
   * @param fn function to run
   */
  function repeatTask(opts, fn) {
      var _this = this;
      var logger = createTaskLogger(opts);
      var isActive = true;
      var ctx = {
          executionNumber: 0,
          stopTask: function () {
              isActive = false;
          },
      };
      var loop = function () { return __awaiter(_this, void 0, void 0, function () {
          var err_1;
          return __generator(this, function (_a) {
              switch (_a.label) {
                  case 0:
                      if (!isActive) {
                          return [2 /*return*/];
                      }
                      _a.label = 1;
                  case 1:
                      _a.trys.push([1, 3, 4, 5]);
                      ctx.executionNumber++;
                      return [4 /*yield*/, fn(ctx)];
                  case 2:
                      _a.sent();
                      return [3 /*break*/, 5];
                  case 3:
                      err_1 = _a.sent();
                      logger("Failed with error: " + err_1.message);
                      logger(err_1);
                      return [3 /*break*/, 5];
                  case 4:
                      if (isActive) {
                          setTimeout(loop, opts.timeInBetweenMS);
                      }
                      return [7 /*endfinally*/];
                  case 5: return [2 /*return*/];
              }
          });
      }); };
      if (opts.initialDelayMS != null) {
          setTimeout(loop, opts.initialDelayMS);
      }
      else {
          // tslint:disable-next-line: no-floating-promises
          loop();
      }
      return {
          stop: ctx.stopTask,
          isRunning: function () {
              return isActive;
          },
      };
  }
  exports.repeatTask = repeatTask;
  function conditionWatcher(opts) {
      var _this = this;
      return repeatTask(opts, function (ctx) { return __awaiter(_this, void 0, void 0, function () {
          var val;
          return __generator(this, function (_a) {
              switch (_a.label) {
                  case 0: return [4 /*yield*/, opts.pollCondition()];
                  case 1:
                      val = _a.sent();
                      if (!val) return [3 /*break*/, 3];
                      ctx.stopTask();
                      return [4 /*yield*/, opts.onSuccess()];
                  case 2:
                      _a.sent();
                      _a.label = 3;
                  case 3: return [2 /*return*/];
              }
          });
      }); });
  }
  exports.conditionWatcher = conditionWatcher;
  function tryObtainValueWithRetries(opts) {
      var _this = this;
      var futureValue = new future_1.Future();
      var task = repeatTask(opts, function (ctx) { return __awaiter(_this, void 0, void 0, function () {
          var val;
          return __generator(this, function (_a) {
              switch (_a.label) {
                  case 0:
                      if (!(ctx.executionNumber > opts.maxAttemps)) return [3 /*break*/, 1];
                      ctx.stopTask();
                      futureValue.reject(new Error('Max Retries & no value'));
                      return [3 /*break*/, 3];
                  case 1: return [4 /*yield*/, opts.tryGetValue()];
                  case 2:
                      val = _a.sent();
                      if (val != null) {
                          futureValue.resolve(val);
                          ctx.stopTask();
                      }
                      _a.label = 3;
                  case 3: return [2 /*return*/];
              }
          });
      }); });
      return __assign(__assign({}, task), { stop: function () {
              task.stop();
              futureValue.reject(new Error('Cancelled'));
          }, onValue: function () { return futureValue.asPromise(); } });
  }
  exports.tryObtainValueWithRetries = tryObtainValueWithRetries;
  //# sourceMappingURL=task.js.map