import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.lang.Runtime;
import java.lang.Process;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.Serializable;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.Scanner;

public class UserProcess implements Serializable 
{
	static final long serialVersionUID = -5555732262925771470L;
	private String name;
	private String command;
	private boolean enabled;
	private boolean drawn;
	private JButton button;

	public UserProcess(String n, String c)
	{
		name = n;
		command = c;
		enabled = true;
		drawn = false;
	}

	//this has to be called seperately cuz when being unserialised the constructor is not called
	public void init()
	{
		// System.out.println("init button: "+name+" "+command);
		this.button = new JButton(name);
		cmdEvent cmd = new cmdEvent(name,command);
		button.addActionListener(cmd);
		drawn = false;
		Window.personalized.add(this);
		Execute.update();
		save();
	}

	public boolean isEnabled()
	{
		return enabled;
	}

	public boolean isDrawn()
	{
		return drawn;
	}

	public void setDrawn(boolean bool)
	{
		drawn = bool;
	}

	public JButton getButton()
	{
		return button;
	}

	public void enable() 
	{
		enabled = true;
	}

	public void disable() 
	{
		enabled = false;
	}

	public String toString()
	{
		return name;
	}

	//this method saves the command to a file
	private void save() 
	{
		try 
		{
			new File(UserProcess.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "processes").mkdir();
			String yes = UserProcess.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "processes/" + name;
			OutputStream fileStream = Files.newOutputStream(Paths.get(yes.replace("/C:","")));
			ObjectOutputStream oos = new ObjectOutputStream(fileStream);
			oos.writeObject(this);
		}
		catch(Exception consarnit)
		{
			consarnit.printStackTrace();
		}
	}

	public class cmdEvent implements ActionListener
	{
		private String com;
		private String dir;
		ArrayList<String> commandList;
		//this method is called when the button is added to the frame, gets the command ready to be done
		public cmdEvent(String direct, String cmd) 
		{
			com = cmd;
			dir = direct;
			//this is the list we construct to pass to ProcessBuilder
			commandList = new ArrayList<String>();
			Scanner chopper = new Scanner(com);
			while(chopper.hasNext())
			{
				commandList.add(chopper.next());
			}
			chopper.close();
		}

		//this is when the button is clicked
		public void actionPerformed(ActionEvent e) 
		{
			try 
			{
				// System.out.println("Is this even working");
				//seperate the user's command input and feed it to the arguments of ProcessBuilder
				ProcessBuilder p = new ProcessBuilder(commandList);
				//this puts the stderr into the inputstream so there's not weird hanging issues
				p.redirectErrorStream(true);
				Process processObj = p.start();
				BufferedReader in = new BufferedReader(new InputStreamReader(processObj.getInputStream()));
				String line;
				while ((line = in.readLine()) != null) 
				{
					System.out.println(line);
				}
				processObj.waitFor();
				//waitFor the thing to get done and then close the buffer
				in.close();
			}
			catch (Exception e1) 
			{
				e1.printStackTrace();
			}
		}
  }
}