//This file contains all of the functions in the project. Code by Jordan Harris-Toovy, November 2021

#include "Main_header.h"

//10.6 LBD-Ex #1
void get_scores(float storage[])
{
	for (int idx = 0; idx < NUM_SCORES; idx++)
	{
		while (storage[idx] <= 0)
		{
			cout << "Enter score #" << idx + 1 << " of " << NUM_SCORES << ": ";
			cin >> storage[idx];
			if (storage[idx] < 0)
			{
				cout << "\nError: Score cannot be negative\n";
			}
		}
	}
}

void grade_scores(float score[], char grade[])
{
	for (int idx = 0; idx < NUM_SCORES; idx++)
	{
		if (score[idx] >= 92.0F)
		{
			grade[idx] = 'A';
		}
		else if (score[idx] >= 84.0F)
		{
			grade[idx] = 'B';
		}
		else if (score[idx] >= 75.0F)
		{
			grade[idx] = 'C';
		}
		else if (score[idx] >= 65.0F)
		{
			grade[idx] = 'D';
		}
		else
		{
			grade[idx] = 'F';
		}
	}
}

void total_grades(char grades[], int grade_total[])
{
	for (int idx = 0; idx < NUM_SCORES; idx++)
	{
		switch (grades[idx])
		{
		case 'A':
			grade_total[0]++;
			break;
		case 'B':
			grade_total[1]++;
			break;
		case 'C':
			grade_total[2]++;
			break;
		case 'D':
			grade_total[3]++;
			break;
		case 'F':
			grade_total[4]++;
			break;
		default:
			break;
		}
	}
}

float average_scores(float scores[])
{
	float total = 0.0F;

	for (int idx = 0; idx < NUM_SCORES; idx++)
	{
		total += scores[idx];
	}

	return (total / NUM_SCORES);
}

void display_info(float& avg, int total_grades[], char grades[], float scores[])
{
	cout << endl << "The average score is: " << avg << endl << "The number of assigned grades are as follows: ";
	cout << "A - " << total_grades[0] << ",   B - " << total_grades[1] << ",   C - " << total_grades[2]
		<< ",   D - " << total_grades[3] << ",   F - " << total_grades[4] << endl;
	cout << "The individual scores are as follows: " << endl;
	for (int idx = 0; idx < NUM_SCORES; idx++)
	{
		cout << "Student " << idx + 1 << " scored " << scores[idx] << " (" << grades[idx] << ")\n";
	}
}


//10.7 LBD-Ex #2
void getName(char name[], int nameMode = 0)
{
	if (nameMode == 0)
	{
		cout << "Please enter your first name: ";
		cin >> name;
	}
	else if (nameMode == 1)
	{
		cout << "Please enter your last name: ";
		cin >> name;
	}
	else
	{
		cout << "\nERROR: INVALID getName MODE\n" << endl;
	}
}

int getStringSize(char string[])
{
	int idx = 0;
	while (string[idx] != '\0')
	{
		idx++;
	}
	return idx;
}


//10.8 Ex #7
void get_string(char user_string[], int mode)
{
	if (mode == 0)
	{
		cout << "Please enter a string (alphanumeric and +-,.): ";
	}
	else
	{
		cout << "Please enter another string: ";
	}
	cin >> user_string;
	//BUG: some characters, such as the space character, will act as delimiters, causing cin to pickup two strings instantly.
}

bool string_compair_N(char str1[], char str2[], int num_cmp)
{
	bool result = true;
	for (int idx = 0; idx < num_cmp; idx++)
	{
		if (str1[idx] != str2[idx])
		{
			result = false;
		}
	}
	return result;
}