stoqey/ib

import SecType from "../data/enum/sec-type";
import { Contract } from "./contract";

/**
 * A Forex Contract.
 */
export class Forex implements Contract {
  /**
   * Between two currencies,
   * whatever currency comes first should be in "symbol" and the other one must be in "currency".
   */
  private static readonly CURRENCY_SYMBOL_PRIO = [
    "KRW",
    "EUR",
    "GBP",
    "AUD",
    "USD",
    "TRY",
    "ZAR",
    "CAD",
    "CHF",
    "MXN",
    "HKD",
    "JPY",
    "INR",
    "NOK",
    "SEK",
    "RUB",
  ];

  constructor(public symbol: string, public currency: string) {
    // Swap between symbol and currency if the ordering is incorrect.

    let temp: string;
    if (
      Forex.CURRENCY_SYMBOL_PRIO.indexOf(symbol) >
      Forex.CURRENCY_SYMBOL_PRIO.indexOf(currency)
    ) {
      temp = this.symbol;
      this.symbol = this.currency;
      this.currency = temp;
    }
  }

  public exchange = "IDEALPRO";
  public secType = SecType.CASH;
}

export default Forex;