//
// Created by Till on 27-Oct-21.
//
#include "scores.h"

//creates array of student scores
void ReadScores(float scores[])
{
    for (int i = 0; i < NUM_STUDENTS; i++)
    {
        cout << "Enter Score #" << i + 1 << " of " << NUM_STUDENTS << ": " << endl;
        cin >> scores[i];
    }
}

//creates array with list of letter grades for each student
void LetterGrade(char let_grade[], float scores[])
{
    for (int i = 0; i < NUM_STUDENTS; i++) {
        if (scores[i] >= 92.0) {
            let_grade[i] = char(65); //A
        } else if (scores[i] < 92.0 && scores[i] >= 84.0) {
            let_grade[i] = char(66); //B
        } else if (scores[i] < 84.0 && scores[i] >= 75.0) {
            let_grade[i] = char(67); //C
        } else if (scores[i] < 75.0 && scores[i] >= 65.0) {
            let_grade[i] = char(68); //D
        } else {
            let_grade[i] = char(70); //F
        }
    }
}


//Calculate average score
float calcAverage (float scores[]) {
    float average = 0.0, total = 0.0;

    for (int i = 0; i < NUM_STUDENTS; i++) {
        total += scores[i];
    }
    average = total / NUM_STUDENTS;
    return average;
}


//Displays all info
void printInfo(float scores[], char LetterGrades[],float avg)
{
    int A_grade = 0, B_grade = 0, C_grade = 0, D_grade = 0, F_grade = 0;

    //display score and letter grade for each student
    for (int i = 0; i < NUM_STUDENTS; i++)
    {
        cout << "Student " << i + 1 << " Letter Grade: " << LetterGrades[i];
        cout << " and Score: " << scores[i] << endl;

    }

    // calculate number of each letter grade
    for (int i = 0; i < NUM_STUDENTS; i++) {
        if (scores[i] >= 92.0) {
            A_grade += 1; //A
        } else if (scores[i] < 92.0 && scores[i] >= 84.0) {
            B_grade += 1; //B
        } else if (scores[i] < 84.0 && scores[i] >= 75.0) {
            C_grade += 1; //C
        } else if (scores[i] < 75.0 && scores[i] >= 65.0) {
            D_grade += 1; //D
        } else {
            F_grade += 1; //F
        }
    }

    cout << endl;
    cout << endl;
    cout << "Class Average: " << avg << endl;

    cout << "A's: " << A_grade << endl;
    cout << "B's: " << B_grade << endl;
    cout << "C's: " << C_grade << endl;
    cout << "D's: " << D_grade << endl;
    cout << "F's: " << F_grade << endl;
}