package com.zontreck.ariaslib.terminal;

import com.zontreck.ariaslib.util.Progress;

import java.util.TimerTask;

public abstract class Task extends TimerTask implements Runnable {
	public final String TASK_NAME;
	private TaskCompletionToken token = new TaskCompletionToken ( );

	public static final String CHECK = "P";
	public static final String FAIL = "F";
	// Else use the progress spinner from the Progress class
	private boolean isSilent = false;

	public Task ( String name ) {
		TASK_NAME = name;
	}

	/**
	 * This constructor is meant to be used to create silent tasks that do not output to the console. (Example usage: DelayedExecutionService)
	 *
	 * @param name   Task name
	 * @param silent Whether to print to the terminal
	 */
	public Task ( String name , boolean silent ) {
		this ( name );
		isSilent = silent;
	}


	public boolean isComplete ( ) {
		return token.get ( );
	}

	public void startTask ( ) {
		Thread tx = new Thread(this);
		tx.start();

		if(! isSilent)
		{
			Thread tx2 = new Thread(new SpinnerTask(token, this));
			tx2.start();
		}
	}

	public void stopTask ( ) {
		if ( token.get ( ) && ! isSilent ) {
			System.out.printf ( "\r" + TASK_NAME + "\t\t[" + token.status + "]\n" );
		}
	}

	public void setSuccess ( ) {
		token.completed ( CHECK );
	}

	public void setFail ( ) {
		token.completed ( FAIL );
	}

	public class SpinnerTask extends Task {
		public final Task task;
		public final TaskCompletionToken token;
		private final Progress spinner = new Progress ( 100 );

		public SpinnerTask ( TaskCompletionToken token , Task parent ) {
			super ( "spinner" , true );
			this.token = token;
			this.task = parent;
		}

		@Override
		public void run ( ) {
			while ( ! task.isComplete ( ) ) {
				try {
					Thread.sleep ( 50L );

					if ( ! task.isSilent && ! task.isComplete ( )  )
						System.out.printf ( "\r" + task.TASK_NAME + "\t\t" + spinner.getSpinnerTick ( ) + "\r" );
				} catch ( Exception e ) {
					e.printStackTrace ( );
				}
			}
		}
	}
}