package com.example.trading.gateway.order;

import com.example.trading.contracts.v1.Side;
import com.example.trading.contracts.v1.SubmitOrderRequest;
import org.springframework.stereotype.Component;

@Component
public class FixToProtobufMapper {
    public SubmitOrderRequest map(IncomingOrder order) {
        return SubmitOrderRequest.newBuilder()
                .setClientOrderId(order.clientOrderId())
                .setSenderCompId(order.senderCompId())
                .setTargetCompId(order.targetCompId())
                .setSymbol(order.symbol())
                .setSide(switch (order.side()) {
                    case BUY -> Side.SIDE_BUY;
                    case SELL -> Side.SIDE_SELL;
                })
                .setQuantity(Long.toString(order.quantity()))
                .setLimitPrice(order.price().toPlainString())
                // QuickFIX/J represents FIX UTC timestamps as LocalDateTime.
                // Use the original timestamp, never the clock or the JVM's default zone.
                // Production exchange calendars may use a different trading date.
                .setTradingDate(order.transactTime().toLocalDate().toString())
                .build();
    }
}