simple_rock_paper_scissors

import 'dart:io';

import 'dart:math';

enum Move { rock, paper, scissors }
void main() {
  while (true) {
    stdout.write(
        'Welcome to (Rock, Paper or Scissors / Quit) - (r, p or s / q) --------> ');
    final input = stdin.readLineSync();

    //Selecting Player Move
    var playerMove;

    if (input == 'r') {
      playerMove = Move.rock;
    } else if (input == 'p') {
      playerMove = Move.paper;
    } else if (input == 's') {
      playerMove == Move.scissors;
    } else if (input == 'q') {
      break;
    } else {
      print('Invalid Input');
    }

    // Select Ai Move
    final randomNumber = Random().nextInt(3);
    final aiMove = Move.values[randomNumber];

    // Showing Player Move & Ai Move
    print('You Played: $playerMove');
    print('Ai Played: $aiMove');

    // Game Logic
    if (playerMove == Move.rock && aiMove == Move.scissors ||
        playerMove == Move.paper && aiMove == Move.rock ||
        playerMove == Move.scissors && aiMove == Move.paper) {
      print('You Win');
    } else if (playerMove == aiMove) {
      print('Draw');
    } else {
      print('You Loose');
    }
  }
}