package jforex.strategies.oneorder;

import java.text.DecimalFormat;

import com.dukascopy.api.*;
import com.dukascopy.api.IEngine.OrderCommand;

/**
 * The example strategy creates an order on every bar if the
 * bar height does not exceed barMaxPips
 *
 */
@RequiresFullAccess
public class OrderDependOnPrevBarSize implements IStrategy {
	
	@Configurable("Instrument")
	public Instrument instrument = Instrument.EURUSD;
	@Configurable("Period")
	public Period period = Period.TEN_SECS;
	@Configurable("Bar max height in pips")
	public int barMaxPips = 1;
	
	private IEngine engine;
	private IConsole console;
	private int counter;
	
	private DecimalFormat df = new DecimalFormat("0.00000");

	@Override
	public void onStart(IContext context) throws JFException {
		this.console = context.getConsole();
		this.engine = context.getEngine();
		
	}

	@Override
	public void onTick(Instrument instrument, ITick tick) throws JFException {}

	@Override
	public void onBar(Instrument instrument, Period period, IBar askBar, IBar bidBar) throws JFException {
		if(instrument != this.instrument || period != this.period){
			return;
		}
		double barHeight = Math.abs(bidBar.getOpen() - bidBar.getClose());		
		//create order if the candle height is less than barMaxPips pips
		boolean createOrder = barHeight < barMaxPips * instrument.getPipValue();
		if(createOrder){
			engine.submitOrder("order" + ++counter, instrument, OrderCommand.BUY, 0.001);
		}
		print("Candle height in pips: " + df.format(barHeight / instrument.getPipValue()) + " create order? " + (createOrder? "YES!":"NO!"));
		
	}
	
	private void print(Object o){
		console.getOut().println(o);
	}

	@Override
	public void onMessage(IMessage message) throws JFException {
		//print order related messages
		if(message.getOrder() != null){
			print(message);
		}
	}

	@Override
	public void onAccount(IAccount account) throws JFException {}

	@Override
	public void onStop() throws JFException {
		//close all orders on strategy stop
		for(IOrder o: engine.getOrders()){
			o.close();
		}
	}

}