// James Jay

import Foundation
import UIKit

enum RPS: Printable {

    case Rock
    case Paper
    case Scissor

    //initializes one of them
    init() {
        let randomNumber = arc4random() % 3
        let randomNumber2 = arc4random() % 3

        if randomNumber == 0 {
            self = RPS.Rock
        } else if randomNumber == 1 {
            self = RPS.Paper
        } else  {
            self = RPS.Scissor
        }

    }

    var description: String {
        switch (self) {
        case RPS.Rock:
            return "Rock"
        case RPS.Paper:
            return "Paper"
        case RPS.Scissor:
            return "Scissors"

        }
    }

}


enum Outcome {

    case Win
    case Lose
    case Tie

    var Description: String{
        switch(self){
        case .Win:
            return "Win"
        case .Lose:
            return "Lose"
        case .Tie:
            return "Tie"
        }
    }
}



struct RPSMatch{
    var playerMove: RPS
    var opponentMove: RPS

    var outcome: Outcome{

            if(playerMove.description == opponentMove.description){
                return .Tie
            }
            else if(playerMove.description == "Paper" && opponentMove.description == "Rock"){
                return .Win
            }

            else if(playerMove.description == "Scissor" && opponentMove.description == "Paper"){
                return .Win
            }
            else if(playerMove.description == "Rock" && opponentMove.description == "Scissor"){
                return .Win
            }
            else {
                return .Lose
            }
    }

    var description: String{
        get{
            //use playerMove.description to change enum to string.
            switch(playerMove){
            case .Rock:
                switch(outcome){
                case .Win:
                    return "Rock vs Scissors. Win"
                case .Lose:
                    return "Rock vs Paper. Lose"
                case .Tie:
                    return "Rock vs Rock. Tie"
                }//rock switch
            case .Paper:
                switch(outcome){
                case .Win:
                    return "Paper vs Rock. Win"
                case .Lose:
                    return "Paper vs Scissors. Lose"
                case .Tie:
                    return "Paper vs Paper. Tie"
                }//paper switch
            case .Scissor:
                switch(outcome){
                case .Win:
                    return "Scissors vs Paper. Win"
                case .Lose:
                    return "Scissors vs Rock. Lose"
                case .Tie:
                    return "Scissors vs Scissors. Tie"
                }
            }
        }
    }


}



let playerMove = RPS()
print("player one has chosen \(playerMove.description)")

let opponentMove = RPS()
print("player two has chosen \(opponentMove.description)")


let playerHand = playerMove
let opponentHand = opponentMove

var match = RPSMatch(playerMove: playerHand, opponentMove: opponentHand)

match.description