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package io.contek.zeus;

import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import java.util.Objects;

import static io.contek.zeus.Constants.JOINER;

@Immutable
public final class TradeKey {

  private final MarketSymbol marketSymbol;
  private final TradeLabel tradeLabel;

  private TradeKey(MarketSymbol marketSymbol, TradeLabel tradeLabel) {
    this.marketSymbol = marketSymbol;
    this.tradeLabel = tradeLabel;
  }

  public static TradeKey of(MarketSymbol marketSymbol, TradeLabel tradeLabel) {
    return new TradeKey(marketSymbol, tradeLabel);
  }

  public MarketSymbol getMarketSymbol() {
    return marketSymbol;
  }

  public TradeLabel getTradeLabel() {
    return tradeLabel;
  }

  @Override
  public boolean equals(@Nullable Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    TradeKey orderKey = (TradeKey) o;
    return Objects.equals(marketSymbol, orderKey.marketSymbol)
        && Objects.equals(tradeLabel, orderKey.tradeLabel);
  }

  @Override
  public int hashCode() {
    return Objects.hash(marketSymbol, tradeLabel);
  }

  @Override
  public String toString() {
    return JOINER.join(marketSymbol, tradeLabel);
  }
}