package com.loohp.limbo.GUI;

import java.lang.management.ManagementFactory;
import java.text.NumberFormat;
import java.util.concurrent.TimeUnit;

import com.loohp.limbo.Limbo;

public class SystemInfo {
	
	public static void printInfo() {
		if (!Limbo.noGui) {
			while (true) {
				Runtime runtime = Runtime.getRuntime();

				NumberFormat format = NumberFormat.getInstance();

				StringBuilder sb = new StringBuilder();
				long maxMemory = runtime.maxMemory();
				long allocatedMemory = runtime.totalMemory();
				long freeMemory = runtime.freeMemory();

				sb.append("Free Memory: " + format.format(freeMemory / 1024 / 1024) + " MB\n");
				sb.append("Allocated Memory: " + format.format(allocatedMemory / 1024 / 1024) + " MB\n");
				sb.append("Max Memory: " + format.format(maxMemory / 1024 / 1024) + " MB\n");
				sb.append("Memory Usage: " + format.format((allocatedMemory - freeMemory) / 1024 / 1024) + "/" + format.format(maxMemory / 1024 / 1024) + " MB (" + Math.round((double) (allocatedMemory - freeMemory) / (double) (maxMemory) * 100) + "%)\n");
				sb.append("\n");

				try {
					@SuppressWarnings("restriction")
					com.sun.management.OperatingSystemMXBean operatingSystemMXBean = (com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
					@SuppressWarnings("restriction")
					double processLoad = operatingSystemMXBean.getProcessCpuLoad();
					@SuppressWarnings("restriction")
					double systemLoad = operatingSystemMXBean.getSystemCpuLoad();				
					int processors = runtime.availableProcessors();
					
					sb.append("Available Processors: " + processors + "\n");
					sb.append("Process CPU Load: " + Math.round(processLoad * 100) + "%\n");
					sb.append("System CPU Load: " + Math.round(systemLoad * 100) + "%\n");
					GUI.sysText.setText(sb.toString());
				} catch (Exception ignore) {}
				
				try {TimeUnit.MILLISECONDS.sleep(1000);} catch (InterruptedException e) {}
			}
		}
	}

}