/*

    Copyright (C) 2016 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    A move is one or more points recorded by a gesture

*/

import UIKit

class Move: NSObject, NSCoding {

    // MARK: Properties

    private(set) var points = [CGPoint]()

    let playerID: String

    // MARK: Initialization

    init(playerID: String) {

        self.playerID = playerID

        super.init()

    }

    required init?(coder aDecoder: NSCoder) {

        let pointStrings = aDecoder.decodeObject(forKey:"points") as! [String]

        points = pointStrings.map { CGPointFromString($0) }

        playerID = aDecoder.decodeObject(forKey:"playerID") as! String

    }

    // MARK: NSCoding

    func encode(with aCoder: NSCoder) {

        let pointStrings = points.map { NSStringFromCGPoint($0) }

        aCoder.encode(pointStrings as NSArray, forKey: "points")

        aCoder.encode(playerID as NSString, forKey: "playerID")

    }

    // MARK: Public Accessors

    func add(position: CGPoint) {

        points.append(position)

    }

}