// Header files to include for data manipulation
#include <iostream>
#include <iomanip>
#include <string>

using namespace std;

// Regular plan constants
const double regFee = 10.00;

const int regIncluded = 50;
const double regOverage = 0.20;

// Premium plan constants
const double premFee = 25.00;

const int premDayIncl = 75;
const double premDayOverage = 0.10;

const int premNightIncl = 100;
const double premNightOverage = 0.05;


int main()

{
	// Declare character variables
	char service;

	// Declare integer variables
	int account, totalMin, dayMin, nightMin;

	// Declare double variables
	double billTotal;

        // blah blah strings
        String plan;

	// Perform formatting for output statements
	cout << showpoint << fixed << setprecision(2);

	// Prompt user for account number
	cout << "Please enter your account number: ";
	// Get input
	cin >> account;
	cout << endl;

	// Prompt user for type of service
	cout << "What type of service do you have?\n";
	cout << "Enter [ R ] for Regular or [ P ] for Premium: ";
	// Get input
	cin >> service;

	// If statement to deal with the bill for users who are on the
	// "Regular" plan
	if (service == "r" || service == "R") {
                plan = "Regular";
		cout << "Please input the number of minutes you have used this month: ";

		cin >> totalMin;
		cout << endl << endl;
		
		// If they've used more than their 50 allowed minutes, determine bill cost
		// With overages included
		if (totalMin > regIncluded)
			billTotal = regFee + ((totalMin - regIncluded) * regOverage);

		// Else, they only only owe the standard rate for Regular service.
		else
			billTotal = regFee;
	// If statement to handle bill for users who are on the
	// "Premium" plan
	} else if (service == "p" || service == "P") { 
                plan = "Premium";
		// Get number of day time minutes
		cout << "Please input the number of day time minutes you" 
			 << " have used this month: ";
		
		cin >> dayMin;

		// Get number of night time minutes
		cout << "\nPlease input the number of night time minutes"
			 << " you have used this month: ";
		
		cin >> nightMin;
		cout << endl << endl;

		// Did the user exceed both day and night time minutes?
		if (dayMin > premDayIncl && nightMin > premNightIncl)
			billTotal = premFee + ((dayMin - premDayIncl) * premDayOverage)
			+ ((nightMin - premNightIncl) * premNightOverage);
		
		// Did user exceed day minutes, but not night?
		else if (dayMin > premDayIncl && nightMin <= premNightIncl)
			billTotal = premFee + ((dayMin - premDayIncl) * premDayOverage);

		// Did user exceed night minutes, but not day?
		else if (dayMin <= premDayIncl && nightMin > premNightIncl)
			billTotal = premFee + ((nightMin - premNightIncl) * premNightOverage);

        // Else, they must have went over neither.. and only owe standard
		// rate for Premium service.
		else 
			billTotal = premFee;
		
	} else {
                       cout << "Invalid service type!\n\n\n";
        // Return 0 to end the program early if invalid service type found.
                        return 0;
        }
		
	// Output statement with formatting for easy reading
	cout << setfill(' ');
	cout << "Account #" << setw(20) << "Service Type" << setw(20) << "Minutes Used"
		 << setw(14) << "Amount Due" << endl;

	cout << "---------------------------------------------------------------------"
		 << "-----\n";
	cout << account << setw(5) << " " << setw(15) << setw(15) << plan << " ";

	// Seperate if statement to determine whether to output premium or regular
	// plan minutes to the user.
	if (plan == "Premium")
		cout << setw(15) << dayMin + nightMin;

	else if (plan == "Regular")
		cout << setw(15) << totalMin;
		cout << setw(15) << " $" << billTotal << endl << endl << endl;

	return 0;
}