import java.util.*;
class PricingTool{
   static Scanner scan = new Scanner(System.in);
   static double totalCost = 0.0;
   static double totalClientCost = 0.0;
   static String staffingProposal = "";

   static double consultantHourlyRate = 35.00;
   static double seniorConsultantHourlyRate = 55.00;
   static double managerHourlyRate = 65.00;
   static double seniorManagerHourlyRate = 75.00;
   static double principalHourlyRate = 100.00;

   static double consultantHourlyBillRate = 135.00;
   static double seniorConsultantHourlyBillRate = 155.00;
   static double managerHourlyBillRate = 165.00;
   static double seniorManagerHourlyBillRate = 175.00;
   static double principalHourlyBillRate = 200.00;
   public static int displayMenu(){
       System.out.println("Please choose from one of the following menu options -");
       System.out.println("1) Display levels and hourly rates of consultants");
       System.out.println("2) Display levels and hourly bill rates of consultants");
       System.out.println("3) Staff project");
       System.out.println("4) Display project staffing proposal");
       System.out.println("5) Calculate profit");
       System.out.println("9) Submit project staffing proposal and exit");
       System.out.print("Option: ");
       return scan.nextInt();
   }
   public static void displayHourlyRates(){
       System.out.println("Levels and Hourly Rates");
       System.out.println("---------------------------------------");
       System.out.printf("%-20s%10s\n","Employee Level","Hourly Rate");
       System.out.println("=============================================");
       System.out.printf("%-20s$%-10.2f\n","Consultant",consultantHourlyRate);
       System.out.printf("%-20s$%-10.2f\n","Senior Consultant",seniorConsultantHourlyRate);
       System.out.printf("%-20s$%-10.2f\n","Manager",managerHourlyRate);
       System.out.printf("%-20s$%-10.2f\n","Senior Manager",seniorManagerHourlyRate);
       System.out.printf("%-20s$%-10.2f\n","Principal",principalHourlyRate);
   }
   public static void displayHourlyBillRates(){
       System.out.println("Levels and Hourly Bill Rates");
       System.out.println("---------------------------------------");
       System.out.printf("%-20s%10s\n","Employee Level","Hourly Rate");
       System.out.println("=============================================");
       System.out.printf("%-20s$%-10.2f\n","Consultant",consultantHourlyBillRate);
       System.out.printf("%-20s$%-10.2f\n","Senior Consultant",seniorConsultantHourlyBillRate);
       System.out.printf("%-20s$%-10.2f\n","Manager",managerHourlyBillRate);
       System.out.printf("%-20s$%-10.2f\n","Senior Manager",seniorManagerHourlyBillRate);
       System.out.printf("%-20s$%-10.2f\n","Principal",principalHourlyBillRate);
   }
   public static double getHoursPerWeek(){
       System.out.print("How many hours per week? ");
       return scan.nextDouble();
   }
   public static void updateTotalCost(int num, double hours, double rate){
       totalCost += rate * num * hours;
       System.out.printf("The current employee cost with an hourly rate of $%.2f is $%.2f\n",rate,totalCost);
   }
   public static void updateTotalClientCost(int num, double hours, double rate){
       totalClientCost += rate * num * hours;
       System.out.printf("The current cost to the client with an hourly bill rate of $%.2f is $%.2f\n",rate,totalClientCost);
   }
   public static void staffProject(){
       int num = 0;
       double hours = 0.0;
       do{
           System.out.println("How do you want to staff your project?");
           System.out.println("Enter 1 for Consultant");
           System.out.println("Enter 2 for Senior Consultant");
           System.out.println("Enter 3 for Manager");
           System.out.println("Enter 4 for Senior Manager");
           System.out.println("Enter 5 for Principal");
           System.out.println("Enter any other number when done.");
           System.out.print("Level: ");
           int level = scan.nextInt();
           switch(level){
               case 1:
                   System.out.print("How many Consultants would you like to staff? ");
                   num = scan.nextInt();
                   hours = getHoursPerWeek();
                   staffingProposal += num + " Consultant(s) at " + hours + " hours per week\n";
                   updateTotalCost(num,hours,consultantHourlyRate);
                   updateTotalClientCost(num,hours,consultantHourlyBillRate);
                   break;
               case 2:
                   System.out.print("How many Senior Consultants would you like to staff? ");
                   num = scan.nextInt();
                   hours = getHoursPerWeek();
                   staffingProposal += num + " Senior Consultant(s) at " + hours + " hours per week\n";
                   updateTotalCost(num,hours,seniorConsultantHourlyRate);
                   updateTotalClientCost(num,hours,seniorConsultantHourlyBillRate);
                   break;
               case 3:
                   System.out.print("How many Managers would you like to staff? ");
                   num = scan.nextInt();
                   hours = getHoursPerWeek();
                   staffingProposal += num + " Manager(s) at " + hours + " hours per week\n";
                   updateTotalCost(num,hours,managerHourlyRate);
                   updateTotalClientCost(num,hours,managerHourlyBillRate);
                   break;
               case 4:
               System.out.print("How many Senior Managers would you like to staff? ");
                   num = scan.nextInt();
                   hours = getHoursPerWeek();
                   staffingProposal += num + " Senior Manager(s) at " + hours + " hours per week\n";
                   updateTotalCost(num,hours,seniorManagerHourlyRate);
                   updateTotalClientCost(num,hours,seniorManagerHourlyBillRate);
                   break;
               case 5:
                   System.out.print("How many Principals would you like to staff? ");
                   num = scan.nextInt();
                   hours = getHoursPerWeek();
                   staffingProposal += num + " Principal(s) at " + hours + " hours per week\n";
                   updateTotalCost(num,hours,principalHourlyRate);
                   updateTotalClientCost(num,hours,principalHourlyBillRate);
                   break;
           }
           if(level>5 || level<1)
               break;
       }while(true);
   }
   public static double calculateProfit(){
       System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
       System.out.printf("Your total cost of employee salaries per week is: $%.2f\n",totalCost);
       System.out.printf("Your total cost to the client per week is: $%.2f\n",totalClientCost);
       System.out.printf("Your profit per week is: $%.2f\n",(totalClientCost - totalCost));
       System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
       return (totalClientCost - totalCost);
   }
   public static void displayProjectStaffingProposal(){
       System.out.println("Your project will be staffed as follows:\n");
       System.out.println(staffingProposal);
   }
   public static void main(String[] args) {
       System.out.println("Welcome to the Pricing Tool");
       while(true){
           int option = displayMenu();
           switch(option){
               case 1:
                   displayHourlyRates();
                   break;
               case 2:
                   displayHourlyBillRates();
                   break;
               case 3:
                   staffProject();
                   break;
               case 4:
                   displayProjectStaffingProposal();
                   break;
               case 5:
                   double s = calculateProfit();
                   break;
               case 9:
                   System.out.println("You have successfully submitted your project proposal. Good-bye!");
                   break;
               default:
                   System.out.println("Incorrect menu option. please try again");
           }
           if(option == 9)
               break;
       }
   }
}