/*
 *   Intro to Programming CSE 1310
 * University of Texas at Arlington
 */

package code5feb19;

import java.util.Scanner;

/**
 *
 * @author jcmtiernan
 */
public class Code5Feb19 
{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) 
    {
        // Choices
        
        /*
        Class has 3 tests worth 60% of final grade
        Final 40%
            Do a research project 40%
            OR
            Take two more tests for 40% of grade
            OR
            Write 8 lab reports for 40% of grade
        
        Assumption: all grades are out of 100
        Algorithm for final grade:
        
        Average the 3 tests and mult by percentage (60)
        Find out how they are doing the final 40%
        if student chose the research project
            multiply project grade by 40% and save as final40Pct
        else if student chose two tests
            Average the 2 tests and mult by percentage (40) and save as final40Pct
        else if student chose 8 reports
            Average 8 reports and mult by percentage (40) and save as final40Pct
        // Final grade is 3 test value plus whichever they chose
        Final grade is 3 test value plus final40Pct
       
        */

        Scanner userIn = new Scanner(System.in);
        double test1=0, test2=0, test3=0;
        System.out.println("Welcome to the grade input system\n");
        // How do we enter grades for multiple students during the same run of the program?
        //int loopMore = 1;
        //while (loopMore == 1)
        int classSize = 3;
        final int maxSize = 10;
        while (classSize < maxSize)    
        {
            System.out.println("Please enter the three test grades separated by spaces: ");
            test1 = userIn.nextDouble();
            test2 = userIn.nextDouble();
            test3 = userIn.nextDouble();
            userIn.nextLine();

            // Class has 3 tests worth 60% of final grade
            double test60Pct = (test1 + test2+ test3)/3 * .6;
            System.out.println("The test average is "+test60Pct+" out of 60%");

            // Find out how they are doing the final 40%
            System.out.println("\nWhich choice did you make for the final 40% of your grade?");
            System.out.println("A. Reseach project");
            System.out.println("B. Two additional tests");
            System.out.println("C. Eight reports");
            System.out.println("Please enter A, B, or C for your choice:");

            char response = 'Z';
            //String resp = "";
            //resp = userIn.next();
            //response = resp.charAt(0);

            response = userIn.nextLine().charAt(0);
            System.out.print("You entered choice: "+response+"\n");
            // we are NOT going to do input validation (but later...)
            // at this point response should have 'A' or 'B' or 'C'
            /*
            if student chose the research project
                multiply project grade by 40% and save as final40Pct
            else if student chose two tests
                Average the 2 tests and mult by percentage (40) and save as final40Pct
            else if student chose 8 reports
                Average 8 reports and mult by percentage (40) and save as final40Pct

            */
            double final40Pct = 0;
            // nested if-else structure
            if ((response == 'A') || (response == 'a')) // if (test for project choice) 
            {
                // true - statement to execute
                double project;
                System.out.println("Enter the project grade 0.0 - 100.0 ");
                project = userIn.nextDouble();
                final40Pct = project * .4;

                //final40Pct = userIn.nextDouble() * .4;
                System.out.println("The project grade was "+project);
            }
            else if ((response == 'B')|| (response == 'b'))
            {
                double test4=0, test5=0;
                System.out.println("Please enter the final two test grades separated by spaces: ");
                test4 = userIn.nextDouble();
                test5 = userIn.nextDouble(); 
                final40Pct = (test4 + test5)/2 * .4;
                System.out.println("The final test average is "+final40Pct+" out of 40%");
            }
            else if ((response == 'C')|| (response == 'c'))
            {
                double rpt1=0, rpt2=0, rpt3=0, rpt4=0, rpt5=0, rpt6=0, rpt7=0, rpt8=0 ;
                System.out.println("Please enter the eight report grades separated by spaces: ");
                rpt1 = userIn.nextDouble();
                rpt2 = userIn.nextDouble();
                rpt3 = userIn.nextDouble();
                rpt4 = userIn.nextDouble();
                rpt5 = userIn.nextDouble();
                rpt6 = userIn.nextDouble();
                rpt7 = userIn.nextDouble();
                rpt8 = userIn.nextDouble();

                final40Pct = (rpt1 + rpt2 + rpt3 + rpt4 + rpt5 + rpt6 + rpt7 + rpt8)/8 * .4;
                System.out.println("The final report average is "+final40Pct+" out of 40%");            
            }
            else  // they did not enter A, B or C
            {
                System.out.println("Your choice *"+response+"* was not valid");
                final40Pct = 0;
            }


            System.out.println("After user input final 40% is "+final40Pct);
            double courseGrade = test60Pct + final40Pct;
            System.out.println("\nYour final course grade is "+courseGrade);
            
            //System.out.println("Do you wish to continue entering grades? Enter 1 for yes, 0 for no ");
            //loopMore = userIn.nextInt();
            //classSize--;  // in order to decrement down to 0
            classSize++; // in order to increment to maxSize
        }
        System.out.println("\nThank you for using the grades program.");
        
    }
}