Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var core_1 = require("@sentry/core");
var types_1 = require("@sentry/types");
var utils_1 = require("@sentry/utils");
var base_1 = require("./base");
/** `XHR` based transport */
var XHRTransport = /** @class */ (function (_super) {
    tslib_1.__extends(XHRTransport, _super);
    function XHRTransport() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        /** Locks transport after receiving 429 response */
        _this._disabledUntil = new Date(Date.now());
        return _this;
    }
    /**
     * @inheritDoc
     */
    XHRTransport.prototype.sendEvent = function (event) {
        var _this = this;
        if (new Date(Date.now()) < this._disabledUntil) {
            return Promise.reject({
                event: event,
                reason: "Transport locked till " + this._disabledUntil + " due to too many requests.",
                status: 429,
            });
        }
        var sentryReq = core_1.eventToSentryRequest(event, this._api);
        return this._buffer.add(new utils_1.SyncPromise(function (resolve, reject) {
            var request = new XMLHttpRequest();
            request.onreadystatechange = function () {
                if (request.readyState !== 4) {
                    return;
                }
                var status = types_1.Status.fromHttpCode(request.status);
                if (status === types_1.Status.Success) {
                    resolve({ status: status });
                    return;
                }
                if (status === types_1.Status.RateLimit) {
                    var now = Date.now();
                    /**
                     * "The search for the header name is case-insensitive."
                     * https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/getResponseHeader
                     */
                    var retryAfterHeader = request.getResponseHeader('Retry-After');
                    _this._disabledUntil = new Date(now + utils_1.parseRetryAfterHeader(now, retryAfterHeader));
                    utils_1.logger.warn("Too many requests, backing off till: " + _this._disabledUntil);
                }
                reject(request);
            };
            request.open('POST', sentryReq.url);
            for (var header in _this.options.headers) {
                if (_this.options.headers.hasOwnProperty(header)) {
                    request.setRequestHeader(header, _this.options.headers[header]);
                }
            }
            request.send(sentryReq.body);
        }));
    };
    return XHRTransport;
}(base_1.BaseTransport));
exports.XHRTransport = XHRTransport;
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