// Tyler Rigsby, CSE 142
// Plays an addition game with the user where they must answer a series of addition problems,
// earning one point per correct answer until they get two wrong answers
// INCOMPLETE

import java.util.*;

public class AdditionGame {
    public static void main(String[] args) {
        System.out.println("Welcome to the CSE 142 Addition Game. We will ask");
        System.out.println("a series of addition questions until you get 3 wrong.");
        System.out.println("Your score will be the number of questions you got right.");
        
        Random r = new Random();
        Scanner console = new Scanner(System.in);
        
        int strikes = 0;
        int points = 0;
        
        while (strikes < 3) {
            playRound(r);
        }
    }
    
    // Plays a single round of the game, returning true if the user was correct and false otherwise
    public static boolean playRound(Random r, Scanner console) {
        // 2-5
        int operands = r.nextInt(4) + 2;
        int value = r.nextInt(10) + 1;
        int sum = value;
        System.out.print(value);
        
        for (int i = 1; i < operands; i++) {
            // 1-10
            value = r.nextInt(10) + 1;
            System.out.print(" + " + value);
            sum = sum + value;
        }
        System.out.print(" = ");
        int response = console.nextInt();
        
        return response == sum;
        
    }
}