package;

import flixel.FlxG;
import flixel.FlxSprite;
import flixel.math.FlxVelocity;
import flixel.math.FlxAngle;
import flixel.FlxObject;

class Ball extends FlxSprite
{
    /**
     *  The name of the current FlxSprite
     *  Use it to differentiate between anonymous masses of Sprites like in FlxGroups!
     */
    public var name:String;

    public var speed = 0;

    public function new(?X:Int = 0, ?Y:Int = 0)
    {
        super(X, Y);

        loadGraphic(AssetPaths.ball__png, false, 15, 15);
        screenCenter();
        elasticity = 1.0;
        set_alpha(Reg.spriteAlpha);
        name = "ball";
    }

    override public function update(elapsed:Float):Void
    {
        updateFacing();

        super.update(elapsed);
    }

    function updateFacing()
    {
        if (velocity.y < 0 && Math.abs(velocity.y) > Math.abs(velocity.x))
            facing = FlxObject.UP;
        if (velocity.y > 0 && velocity.y > Math.abs(velocity.x))
            facing = FlxObject.DOWN;
        if (velocity.x < 0 && Math.abs(velocity.x) > Math.abs(velocity.y))
            facing = FlxObject.LEFT;
        if (velocity.x > 0 && velocity.x > Math.abs(velocity.y))
            facing = FlxObject.RIGHT;

        FlxG.watch.addQuick("Normal X", velocity.x);
        FlxG.watch.addQuick("Normal Y", velocity.y);
        FlxG.watch.addQuick("Math.abs() X", Math.abs(velocity.x));
        FlxG.watch.addQuick("Math.abs() Y", Math.abs(velocity.y));
        FlxG.watch.addQuick("Facing", facing);
    }

    public function resetBall()
    {
        screenCenter();

        if (Reg.lives == 3)
            speed = FlxG.random.int(200, 300);

        var randomAngle = FlxG.random.float(-180, 180);
        var randomDirection = FlxVelocity.velocityFromAngle(randomAngle, speed);
        velocity.set(randomDirection.x, randomDirection.y);
    }

    public function increaseSpeed()
    {
        speed += 15;
        Reg.speed += 15;
        var curAngle = FlxAngle.asDegrees(Math.atan2(velocity.y, velocity.x));
        var newSpeed = FlxVelocity.velocityFromAngle(curAngle, speed);
          //FlxVelocity.velocityFromFacing(this, speed);
        velocity.set(newSpeed.x, newSpeed.y);
    }

    public function updateBallPos(collideObj:FlxNamedSprite)
    {
        /*
        switch (collideObj.name)
        {
            case "paddle":
        }
        */
    }
}