// Metro module 6146 (f6147).
import Logger from "../modules/debug/Logger";
import Deque from "../_bundle/Deque";
const logger = new Logger("Queue");
class Queue {
  constructor(logger2 = logger, defaultRetryAfter = 100) {
    const r16 = {
      __proto__: new.target.prototype,
      queue: new Deque(),
      timeout: null,
      draining: false
    };
    r16.logger = logger2;
    r16.defaultRetryAfter = defaultRetryAfter;
    return r16;
  }
  enqueue(a0, a1, a2) {
    this.queue.push({
      message: a0,
      success: a1,
      logId: a2
    });
    this._drainIfNecessary();
  }
  get length() {
    return this.queue.length;
  }
  _drainIfNecessary() {
    let logId, c15509_1, success;
    if (this.timeout === null && this.queue.length !== 0 && this.draining !== true) {
      this.draining = true;
      const r17 = this.queue.shift();
      c15509_1 = r17;
      const message = r17.message;
      success = r17.success;
      logId = r17.logId;
      this.logger.log(`Draining message from queue LogId:${logId} QueueLength: ${this.queue.length}`);
      this.drain(message, (a0, a1) => {
        this.logger.log(`Finished draining message from queue LogId:${logId} QueueLength: ${this.queue.length}`);
        this.draining = false;
        if (a0 == null) {
          setImmediate(() => this._drainIfNecessary());
          try {
            success(a1);
          } catch ($e) {
            this.logger.error("", $e);
          }
        } else {
          let retryAfter = a0.retryAfter;
          if (retryAfter == null) {
            retryAfter = this.defaultRetryAfter;
          }
          this.logger.info(`Rate limited. Delaying draining of queue for ${retryAfter} ms. LogId:${logId} QueueLength: ${this.queue.length}`);
          this.timeout = setTimeout(() => {
            this.queue.unshift(c15509_1);
            this.timeout = null;
            this._drainIfNecessary();
          }, retryAfter);
        }
      });
    }
  }
  clear() {
    this.queue.clear();
    clearTimeout(this.timeout);
    this.timeout = null;
    this.draining = false;
  }
}
export default Queue;