package com.nailabs.abac.test;

import java.io.*;
import java.util.*;

public class Debug {

    static PrintStream out = System.out;
    static PrintStream rbtm = null;
    static PrintStream sysOut = System.out;
    static PrintStream oldOut = out;
    static PrintStream sysErr = System.err;

    static boolean failurePropagation;

    static int redirect = 0;

    static HashSet  allowed = new HashSet();

    static {
        allowed.add("strategy");
        //allowed.add("worklist");
        allowed.add("negotiate");
        allowed.add("root");
        allowed.add("message");
	allowed.add("linked");
        allowed.add("linking-goal");
        //allowed.add("node");
        allowed.add("perform");
        allowed.add("newop");
        allowed.add("process");
        allowed.add("satisfaction");
        allowed.add("evidence");
        try {
            failurePropagation = System.getProperty
                ("com.nailabs.abac.Failure", "true").equalsIgnoreCase("true");
            rbtm = new PrintStream(new FileOutputStream("rbtm.log"));
        } catch(Exception ex) {
            ex.printStackTrace();
        }
    }


    public static boolean sendFailure() {
        return failurePropagation;
    }

    public static void addKey(String key) {
        allowed.add(key);
    }
    
    public static void removeKey(String key) {
        allowed.remove(key);
    }
    
    public static void open(String name) {
        try {
	    out = new PrintStream(new FileOutputStream(name));
        }
        catch(Exception ex) {
            ex.printStackTrace(out);
        }
    }
    
    public static void close() { out.close(); }


    public static void rbtmStart() {
        //sysOut = System.out;
        //oldOut = out;
        //out = rbtm;
        System.setOut(rbtm);
        System.setErr(rbtm);
        //System.out.println("\nBeggining cycle " + redirect + "\n");
        //out.println("\nrbtm.BeginCycle=" + redirect + "\n");
    }

    public static void rbtmStop() {
        //System.out.println("\nRestoring standard output " + redirect + "\n");
        //out.println("rbtm.EndCycle= " + redirect++ + "\n");
        System.setOut(sysOut);
        System.setErr(sysErr);
        //out = oldOut;
    }

    public static void debug(String level, String message) {
        if(allowed.contains(level)) {
            out.println(message);
        }
    }

}