#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <time.h>
#define _CRT_SECURE_NO_WARNINGS
#define PAUSE system("pause")
#define CLS system("cls")
#define FLUSH myFlush()

void myFlush(){
	while(getchar() != '\n');
}
//Functions
void displayMenu(){ //welcome message and stats(hourly wage and total hours)retrieval
CLS;
	printf("Welcome! Here, you will find the following\n");
	printf("[1]Hourly Rate\n");
	printf("[2]Hours Worked\n");
	printf("[3]Regular Pay\n");
	printf("[4]Overtime Pay\n");
	printf("[5]Gross Pay\n");
	printf("[6]Federal Tax\n");
	printf("[7]Medical Insurance\n");
	printf("[8]Net Pay\n");
	printf("[9]Quit\n\n");
	printf("choose an option: ");
	return;
}//end displayMenu

char getChoice(){ //user's input choice
	char result;
	displayMenu();
	scanf("%c", &result);FLUSH;
	return toupper(result);// return to the menu selection with capital letter
}//end getChoice

float hourlyRate(){ //user's pay per hour
	float wageH;
	printf("How much do you make per hour?:");
	scanf("%.2f", &wageH);FLUSH;
	printf("Okay. Your hourly rate is $%.2f", wageH);
	return wageH;
}//end hourlyRate

int hoursWorked(){ //user's total hours worked
	int hours;
	printf("How many hours have you worked this week?:");
	scanf("%i", &hours);FLUSH;
	printf("\n Okay. You have worked %i hours this week", hours);
	return hours;
}//end hoursWorked

float regularPay(){ //user's total pay for the week
	float totalPay;
	totalPay = wageH * hours;
	printf("Your total pay is $%.2f", totalPay);
	return totalPay;
}//end regularPay

float overtimePay(){ //user's overtime hours and overtime pay
	int hoursOver = 0;
	float otPay;
	printf("How many hours overtime have you worked for this week?");
	scanf("%i", &hoursOver);FLUSH;
	otPay = wageH * 1.5 * hoursOver;
	printf("Your overtime pay is be %.2f", otPay);
	return otPay;
}//end overtimePaty

float grossPay(){ // user's gross pay
	float gPay;
	gPay = totalPay + otPay;
	printf("Your gross pay is %.2f", gPay);
	return gPay;
}//end grossPay

float federalTax(){ //user's federal tax deduction
	float fedTax;
	fedTax = gPay * 0.27;
	printf("Your federal tax is %.2f", fedTax);
	return fedTax;
}//end federalTax

float medicalInsurance(){ //user's medical insurance deduction
	float medIns;
	medIns = gPay * 0.14;
	printf("Your medical insurance is %.2f", medIns);
	return medIns;
}//end medicalInsurance

float netPay(){ //user's total net pay
	float totalNet;
	totalNet = gPay - (fedTax + medIns);
	printf("Your total net pay is %.2f", totalNet);
	return;
}//end netPay

main(){
//variables
char userChoice = ' ';
int value = 0;
//Menu
displayMenu();	
do{
	userChoice = getChoice();
	switch(userChoice){
		case '1': 
			hourlyRate(value);
			
		case '2':
			hoursWorked(value);
			
		case '3':
			regularPay(value);
			
		case '4':
			overtimePay(value);
			
		case '5':
			grossPay(value);
		
		case '6':
			federalTax(value);
		
		case '7':
			medicalInsurance(value);
		
		case '8':
			netPay(value);
		
		case '9':
			printf("Thanks for stopping by!", 'Y');
			
		default:
			printf("Welcome! Please enter a number between 1-8, or press 9 to quit:", 'Y');
		}
	}
while(userChoice != '9');
PAUSE;
}//end main