package org.oxerr.okcoin.xchange.service.fix;
   
   import java.math.BigDecimal;
   import java.util.ArrayList;
   import java.util.List;
   
   import org.knowm.xchange.currency.Currency;
   import org.knowm.xchange.currency.CurrencyPair;
   import org.knowm.xchange.dto.account.AccountInfo;
  import org.knowm.xchange.dto.account.Balance;
  import org.knowm.xchange.dto.account.Wallet;
  import org.oxerr.okcoin.fix.fix44.AccountInfoResponse;
  
  import quickfix.FieldNotFound;
  import quickfix.Message;
  
  /**
   * Various adapters for converting from {@link Message} to XChange DTOs.
   */
  public final class OKCoinFIXAdapters {
  
  	private OKCoinFIXAdapters() {
  	}
  
  	public static String adaptSymbol(CurrencyPair currencyPair) {
  		return String.format("%s/%s", currencyPair.base.getCurrencyCode(), currencyPair.counter.getCurrencyCode());
  	}
  
  	public static CurrencyPair adaptCurrencyPair(String symbol) {
  		String[] symbols = symbol.split("/");
  		CurrencyPair currencyPair = new CurrencyPair(symbols[0], symbols[1]);
  		return currencyPair;
  	}
  
  	public static AccountInfo adaptAccountInfo(AccountInfoResponse message)
  			throws FieldNotFound {
  		final String[] currencies = message.getCurrency().getValue().split("/");
  		final String[] balances = message.getBalance().getValue().split("/");
  
  		final int walletCount = currencies.length;
  		final List<Balance> balanceList = new ArrayList<>(walletCount);
  
  		for (int i = 0; i < walletCount; i++) {
  			final String currency = currencies[i];
  			final BigDecimal available = new BigDecimal(balances[i]);
  			final Balance balance = new Balance(Currency.getInstance(currency), available, available);
  			balanceList.add(balance);
  		}
  
  		final Wallet wallet = new Wallet(balanceList);
  		return new AccountInfo(wallet);
  	}
  
  }