// @ts-nocheck
'use strict';

// Package included by react-native
var EventTarget = require('event-target-shim');

/**
 * Shared base for platform-specific EventSource implementations.
 */
class EventSourceBase extends EventTarget {
  // CONNECTING: number;
  // OPEN: number;
  // CLOSED: number;

  // onerror?: Function;
  // onmessage?: Function;
  // onopen?: Function;

  // binaryType?: string;
  // readyState: number;
  // url?: string;

  constructor(url) {
    super();
    this.CONNECTING = 0;
    this.OPEN = 1;
    this.CLOSED = 3;

    this.url = url;
    this.readyState = this.CONNECTING;
    this.connectToSourceImpl(url);
  }

  close() {
    if (this.readyState === this.CLOSED) {
      return;
    }

    if (this.readyState === this.CONNECTING) {
      this.cancelConnectionImpl();
    }

    this.closeConnectionImpl();
  }

  closeConnectionImpl() {
    throw new Error('Subclass must define closeConnectionImpl method');
  }

  connectToSourceImpl() {
    throw new Error('Subclass must define connectToSourceImpl method');
  }

  cancelConnectionImpl() {
    throw new Error('Subclass must define cancelConnectionImpl method');
  }
}

EventSourceBase.CONNECTING = 0;
EventSourceBase.OPEN = 1;
EventSourceBase.CLOSED = 3;

module.exports = EventSourceBase;