import java.util.Scanner;

/**
 * An application to help determine whether you need to file taxes
 * 
 * This class illustrates:
 * - Why helper methods should be private (instead of public)
 * - How private methods can help reduce the amount of repetition in your code
 *   thereby making your code shorter, more readable, and easier to modify/extend/maintain.
 * 
 * @author alchambers
 * @version sp19
 */
public class TaxHelper{    
      
    // This main method is 78 lines long!
    public static void main(String[] args){
        System.out.println("=======================================");
        System.out.println("Welcome to the Tax Center!");
        System.out.println("We offer non-professional tax help.");
        System.out.println("Use at your own risk!");
        System.out.println("Please type \"yes\" or \"no\" for each question");
        System.out.println("=======================================");        
        System.out.println();
            
        Scanner input = new Scanner(System.in);
        System.out.println("Are you married? (yes/no)");         
        String answer = input.nextLine();
        
        if(answer.equals("yes")){
            System.out.println("Are you and your spouse both over 65?"); 
            answer = input.nextLine();

            if(answer.equals("yes")){
                System.out.println("Is your combined gross income more than $30,000?");
                answer = input.nextLine();
                if(answer.equals("yes")){
                    System.out.println("Yes, you must file taxes");
                } 
                else{
                    System.out.println("No, you do not need to file taxes");
                } 
            }
            else{
                System.out.println("Is one of you over 65?"); 
                answer = input.nextLine();
                if(answer.equals("yes")){                   
                    System.out.println("Is your combined gross income more than $27, 000?");
                    answer = input.nextLine();
                    if(answer.equals("yes")){
                        System.out.println("Yes, you must file taxes");
                    }
                    else{                        
                        System.out.println("No, you do not need to file taxes");                         
                    }  
                }
                else{
                    System.out.println("Is your combined gross income more than $25,000?");
                    answer = input.nextLine();
                    if(answer.equals("yes")){                        
                        System.out.println("Yes, you must file taxes");                        
                    }
                    else{
                        System.out.println("No, you do not need to file taxes"); 
                    }
                }
            }
        }
        else{
            System.out.println("Are you over 65 years of age?"); 
            answer = input.nextLine();

            if(answer.equals("yes")){
                System.out.println("Is your gross income more than $27,000?"); 
                answer = input.nextLine();
                if(answer.equals("yes")){                    
                    System.out.println("Yes, you must file taxes");
                }
                else{
                    System.out.println("No, you do not need to file taxes"); 
                }
            }
            else{
                System.out.println("Is your gross income more than $24,500?"); 
                answer = input.nextLine();
                if(answer.equals("yes")){
                    System.out.println("Yes, you must file taxes");                    
                }
                else{
                    System.out.println("No, you do not need to file taxes"); 
                } 
            }
        }
    }
}