package at.acdp.urweb.web;
import at.acdp.urweb.Main;
import at.acdp.urweb.fhpp.Status;
import com.nmote.xr.XRMethod;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class XRServer {
    private final static Logger logger = LoggerFactory.getLogger(XRServer.class);

    @XRMethod(value = "example.helloWorld", help = "Returns 'Helo ' + argument")
    public static String hello(Object s) {
        return "Hello '" + s + "'";
    }

    @XRMethod(value = "ref2", help = "ref")
    public static String ref(String a, String b) {
        return "ref";
    }

    @XRMethod(value = "rel", help = "rel")
    public static void rel(String pos) {
        logger.info("Relative to {} Begin", pos);
        System.out.println("rel: "+pos);
        Main.fhm.direktAuftrag(Integer.parseInt(pos),0,true);
        waitMC(true);
        Main.fhm.direktAuftrag(Integer.parseInt(pos),1,true);
        waitMC(true);
        logger.info("Relative to {} End", pos);
    }

    @XRMethod(value = "abs", help = "abs")
    public static void abs(String pos) {
        logger.info("Absolute to {} Begin", pos);
        Main.fhm.direktAuftrag(Integer.parseInt(pos),0, false);
        waitMC(true);
        Main.fhm.direktAuftrag(Integer.parseInt(pos),1, false);
        waitMC(true);
        logger.info("Absolute to {} End", pos);
    }

    private static void waitMC(boolean what) {
        logger.info("Waiting for MC");
        while(true) {
            Status s = Main.fhm.readStatus().join();
            if (s.mc == what) break;
        }
        logger.info("Got MC");
    }

    private static void checkPos(int pos) {

    }

    @XRMethod(value = "status", help = "Returns status")
    public static String status() {
        var x=Main.fhm.readStatus();
        try {
            return x==null?"<null>":x.get().toString();
        } catch (Exception e) {
            e.printStackTrace();
            return e.toString();
        }
    }
}