package csci.grade.calculator;

import java.util.Scanner;
import java.text.DecimalFormat;
import java.text.*;

/**
 *system.out.printf("%-16s | %-7s | %-9s | %-7s | %-5s \n");
 *                  component weight possible actual score
 * system.out.println(=========---------------");
 *
 * system.out.printf("%-16s | %6d%% | %9d | %7d | %5.2f\n", "exercises", exerweight, exerpos, exeract, exerscore);
 *
 *
 *
 *
 * @author c0re
 */
//public class Calculations {
//public static void weight(Scanner input){

    //here calculate X/Y and return Z



public class CsciGradeCalculator {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {

        Scanner keyboard = new Scanner(System.in);//import scanner

        //prompts
        System.out.print("CS181 Grade Calculator\n\n");

        System.out.print("Please enter possible & actual points for exercises: ");
        double exercisesPossible = keyboard.nextDouble();
        double exercisesActual = keyboard.nextDouble();
        System.out.print("Please enter possible & actual points for feedback: ");
        double feedbackPossible = keyboard.nextDouble();
        double feedbackActual = keyboard.nextDouble();
        System.out.print("Please enter possible & actual points for labs: ");
        double labsPossible = keyboard.nextDouble();
        double labsActual = keyboard.nextDouble();
        System.out.print("Please enter possible & actual points for programs: ");
        double programsPossible = keyboard.nextDouble();
        double programsActual = keyboard.nextDouble();
        System.out.print("Please enter possible & actual points for exams: ");
        double examsPossible = keyboard.nextDouble();
        double examsActual = keyboard.nextDouble();
        System.out.print("Please enter possible & actual points for final: ");
        double finalPossible = keyboard.nextDouble();
        double finalActual = keyboard.nextDouble();
        keyboard.close();

        // weights: Homework (5%), FeedBack Surveys(5%),
        // Class Labs(10%), Programs(20%), Exams(30%), and Final(30%).
        double exercisesWeight =  5;
        double feedbackWeight =  5;
        double labsWeight =  10;
        double programsWeight =  20;
        double examsWeight =  30;
        double finalWeight =  30;

        //calculate
        double exercisesResults = ((exercisesActual / exercisesPossible) * 100) * (exercisesWeight/100);
        double feedbackResults = ((feedbackActual / feedbackPossible) * 100) * (feedbackWeight/100);
        double labsResults = ((labsActual / labsPossible) * 100) * (labsWeight/100);
        double programsResults = ((programsActual / programsPossible) * 100)* (programsWeight/100);
        double examsResults = ((examsActual / examsPossible) * 100)* (examsWeight/100);
        double finalResults = ((finalActual / finalPossible) * 100)* (finalWeight/100);
        double courseAverage = (exercisesResults + feedbackResults + labsResults + programsResults + examsResults + finalResults);


        // penalty calculationzz
        double programPenalty;
        double finalPenalty;
        double progPenaltyThreshold = .145;

     //   if (programResults <= progPenaltyThreshold){
      //      double pen1Final =
      //  }

           //calculate grade letter
        String letter = "A";

                if(courseAverage>=92.5){
           letter="A";
        }

        else if(courseAverage>=89.5){
           letter="A-";
           }

        else if(courseAverage>=86.5){
           letter="B+";
           }

        else if(courseAverage>=82.5){
           letter="B";
           }

        else if(courseAverage>=79.5){
           letter="B-";
           }

        else if(courseAverage>=76.5){
           letter="C+";
           }

        else if(courseAverage>=72.5){
           letter="C";
           }

        else if(courseAverage>=69.5){
           letter="C-";
           }

        else if(courseAverage>=66.5){
           letter="D+";
           }

        else if(courseAverage>=59.5){
           letter="D";
           }
        else{
           letter="F";
           }

        //format
        DecimalFormat whole = new DecimalFormat("#");
        DecimalFormat twoPlaces = new DecimalFormat("#.##");

       //results
       System.out.println("\nComponent       | Weight | Possible | Actual | Score");
       System.out.printf("===========================================================\n");
       System.out.printf("Exercises       |    %s%% |       %s |     %s |  %s  \n", whole.format(exercisesWeight), whole.format(exercisesPossible), whole.format(exercisesActual), twoPlaces.format(exercisesResults));
       System.out.printf("Feedback        |    %s%% |       %s |     %s |  %s  \n", whole.format(feedbackWeight), whole.format(feedbackPossible), whole.format(feedbackActual), twoPlaces.format(feedbackResults));
       System.out.printf("Labs            |   %s%% |       %s |     %s |  %s  \n", whole.format(labsWeight), whole.format(labsPossible), whole.format(labsActual), twoPlaces.format(labsResults));
       System.out.printf("Programs        |   %s%% |       %s |     %s |  %s  \n", whole.format(programsWeight), whole.format(programsPossible), whole.format(programsActual), twoPlaces.format(programsResults));
       System.out.printf("Exams           |   %s%% |       %s |     %s |  %s  \n", whole.format(examsWeight), whole.format(examsPossible), whole.format(examsActual), twoPlaces.format(examsResults));
       System.out.printf("Final           |   %s%% |       %s |     %s |  %s  \n", whole.format(finalWeight), whole.format(finalPossible), whole.format(finalActual), twoPlaces.format(finalResults));
       System.out.printf("Program Penalty |----------------------------|  0  \n");
       System.out.printf("Final Penalty   |----------------------------|  0  \n");
       System.out.printf("============================================================\n");
       System.out.printf("Course Average  |----------------------------|  %.2f %s\n", courseAverage, letter);



        //Weight(keyboard); uses method defined above

        // possible actual
        // XXX XXX
        // 0123456
        //
        // double exercisesP = exercisesInput.substring(0,3);
        // double exercisesA = exercisesInput.substring(4);

        //double exercisesP = exercisesInput.substring(0,2);

        //double exercisesA = exercisesInput.substring(4);
        //System.out.printf("%s %s", exercisesP, exercisesA);
        // double execersisesPossible = exercisesInput.substring(0,position);
        // position = exercisesInput.indexOf(' ');
        // String execersisesPossible = exercisesInput.substring(0,position);
        // position = exercisesInput.indexOf(' ');


    }//main
}//class