package com.gpl.rpg.atcontentstudio.utils;

import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;

import com.gpl.rpg.atcontentstudio.model.Workspace;

public class DesktopIntegration {
	
	public static void openTmxMap(File f) {
		if (Workspace.activeWorkspace.settings.useSystemDefaultMapEditor.getCurrentValue()) {
			try {
				Desktop.getDesktop().open(f);
			} catch (IOException e) {
				e.printStackTrace();
			}
		} else {
			try {
				Runtime.getRuntime().exec(tokenize(Workspace.activeWorkspace.settings.mapEditorCommand.getCurrentValue()+" \""+f.getAbsolutePath()+"\""));
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
	
	public static void openImage(File f) {
		if (Workspace.activeWorkspace.settings.useSystemDefaultImageViewer.getCurrentValue()) {
			try {
				Desktop.getDesktop().open(f);
			} catch (IOException e) {
				e.printStackTrace();
			}
		} else if (Workspace.activeWorkspace.settings.useSystemDefaultImageEditor.getCurrentValue()) {
			try {
				Desktop.getDesktop().edit(f);
			} catch (IOException e) {
				e.printStackTrace();
			}
		} else {
			try {
				Runtime.getRuntime().exec(tokenize(Workspace.activeWorkspace.settings.imageEditorCommand.getCurrentValue()+" \""+f.getAbsolutePath()+"\""));
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
	
	
	
	public static enum OSType {
		Windows, MacOS, NIX, Other
	}
	
	public static OSType detectedOS = detectOS();
	
	private static OSType detectOS() {
		String os = System.getProperty("os.name", "generic").toLowerCase(Locale.ENGLISH);
		if ((os.indexOf("mac") >= 0) || (os.indexOf("darwin") >= 0)) return OSType.MacOS;
		if (os.indexOf("win") >= 0) return OSType.Windows;
		if ((os.indexOf("nux") >= 0) || (os.indexOf("nix") >= 0) || (os.indexOf("aix") >= 0) || (os.indexOf("sunos") >= 0) || (os.indexOf("solaris") >= 0)) return OSType.NIX;
		return OSType.Other;
	}
	
	
	private static List<Character> quotes = Arrays.asList(new Character[]{'\'', '"'});
	private static List<Character> delims = Arrays.asList(new Character[]{' ', '\r', '\n', '\t'});
	
	private static String[] tokenize(String command) {
		List<String> tokens = new ArrayList<String>();
		boolean inQuote = false;
		char usedQuote = '\0';
		StringBuilder sb = new StringBuilder();
		
		for (char c : command.toCharArray()) {
			if (inQuote) {
				if (c == usedQuote) {
					inQuote = false;
					continue;
				} else {
					sb.append(c);
				}
			} else {
				if (quotes.contains(c)) {
					inQuote = true;
					usedQuote = c;
				} else if (delims.contains(c)) {
					if (sb.length() > 0) {
						tokens.add(sb.toString());
						sb = new StringBuilder();
					}
				} else {
					sb.append(c);
				}
			}
		}
		if (sb.length() > 0) {
			tokens.add(sb.toString());
		}
		return tokens.toArray(new String[tokens.size()]);
	}
	

}