package com.glavsoft.viewer;

import jp.ac.u_ryukyu.treevnc.client.MyVncClient;
import jp.ac.u_ryukyu.treevnc.server.VncProxyService;

public class TreeViewer {
	private boolean treeProxy;
	private boolean viewer;
	private int width;
	private int height;

	public static void main(String[] args) {
		new TreeViewer().vncStart(args);
	}

	private void vncStart(String[] args) {
		modeSelect(args);
		if (treeProxy) {
			VncProxyService vps = new VncProxyService();
			vps.proxyStart(args,width,height);
		} else if (viewer) {
			Viewer v = new Viewer();
			v.startViewer(args);
		} else {
			MyVncClient mvc = new MyVncClient();
			mvc.startClient(args);
		}
	}

	private void modeSelect(String[] args) {
		for (int i = 0; i < args.length; i++) {
			if ("-p".equals(args[i])) {
				treeProxy = true;
			} else if ("-v".equals(args[i])) {
				viewer = true;
			} else if ("-r".equals(args[i])) {
				treeProxy = true;
			} else if ("--version".equals(args[i])) {
				System.out.println("version :" + VncProxyService.ver());
				System.exit(0);
			} else if ("-retina".equals(args[i])) {
				treeProxy = true;
				if(getParameter(args,i))
					i = i + 2;
			} else {
				System.out.println("(default) TreeVNCClient\n"
								+ "-p:       TreeVNCProxy\n"
								+ "-v:      VNCViewer\n"
								+ "-r:      TreeVNCProxy for RemoteHost. you should input parameter host and port\n"
								+ "-retina whidth heght:    TreeVNC proxy for retina.this mode can select screen range.");
			}
		}
	}
	
	private boolean getParameter(String[] args, int i) {
		if(isInteger(args[++i])&&isInteger(args[++i])) {
			width = Integer.parseInt(args[--i]);
			height = Integer.parseInt(args[++i]);
			return true;
		} else {
			width = 1920;
			height = 1080;
			return false;
		}
	}
	
	private boolean isInteger(String num) {
		try {
			int n = Integer.parseInt(num);
			return true;
		} catch (NumberFormatException e) {
			return false;
		}
	}
}