package ;

import flixel.FlxCamera;
import flixel.FlxSprite;

import flixel.group.FlxGroup;
import flixel.util.FlxPoint;
import flixel.FlxBasic;

import flixel.FlxG;
import flixel.FlxSprite;
import flixel.FlxState;
import flixel.util.FlxMath;

/**
 * ...
 * @author ...
 */
class SelectionBox extends FlxSprite
{

	/**
	 * Adding to playstate example:
		 *
		 *
	 * override public function create():Void
	{

		super.create();

		var _sel:SelectionBox = new SelectionBox();
		//_sel.available = true; //set true by default.
		add(_sel);

	}
	 *
	 */


	public var selected:FlxGroup;
	public var selectionColor:Int = 0x88800000; //Can be whatever at whatever transparency.

	public var startPos:FlxPoint = new FlxPoint(0,0);
	public var endPos:FlxPoint = new FlxPoint(0,0);
	public var target:FlxBasic;
	public var keepSelection:Bool;
	public var available:Bool = true;

	public var Object:Bool;

	public function new()
	{
		super();

		makeGraphic(1, 1, 0x00000000);
		width = height = 1;

		x = y = -1;

		scrollFactor.x = scrollFactor.y = 0;


	}

	override public function update():Void
	{
		if (available) drawSquare();


		scrollFactor.x = scrollFactor.y = 0;
		super.update();
	}

	public function drawSquare():Void
	{
		if (FlxG.mouse.justPressed)
		{
			startPos.x = FlxG.mouse.screenX;
			startPos.y = FlxG.mouse.screenY;

			x = startPos.x;
			y = startPos.y;

		}

		if (FlxG.mouse.pressed)
		{

			endPos.x = FlxG.mouse.screenX;
			endPos.y = FlxG.mouse.screenY;

			width = Math.abs(startPos.x - endPos.x);
			height = Math.abs(startPos.y - endPos.y);

			//if (width > 0 && height > 0) makeGraphic(Std.int(width), Std.int(height), selectionColor);
			if (width > 0 && height > 0 ) makeGraphic(Std.int(width), Std.int(height), selectionColor);

			if (endPos.x < startPos.x) x = endPos.x;
			if (endPos.y < startPos.y) y = endPos.y;


		}

		if (FlxG.mouse.justReleased)
		{
			if (FlxMath.getDistance(startPos,endPos) <= 1)
			{

				makeGraphic(1,1);
				x = y = -1;
			}
			else
			{
				makeGraphic(1,1);
				x = y = -1;
			}



		}
	}
}