//	Assignment 5
//
//	Author:		Raichel Link
//	Instructor:	Dr. Wang
//	Due:		Feb. 27, 2007
//
//	Goal:		Display menus that will allow the user to enter
//			customer data, change given data, search through
//			the data, and print the data.
//
//	File name:	assignment5.cpp
//	Compiling: 	g++ assignment5.cpp -o assignment5.out
//	Excution:	./assignment5.out
//

#include <iostream>
#include <iomanip>
#include <cmath>
#include <string>
#include <fstream>

using namespace std;

const int MAX = 2;

struct Date
{       int month;
        int day;
        int year;
};

struct Customer
{       string name;
        float balance;
        Date lastPay;
};

// prototypes - type & fun.
void menu();
void enter(Customer[]);
void change(Customer[]);
void print(Customer[]);
void search(Customer[]);

int main()
{
	char select, dummy;
        Customer account[MAX];
                
        system("clear");
        menu();
        cin >> select;


	while( select != 'q' && select != 'Q')
	{
        	if( tolower(select) == 'e')
                	enter(account);
        	else if( tolower(select) == 'c')
                	change(account);
        	else if( tolower(select) == 'p')
                	print(account);
		else if( tolower(select) == 's')
			search(account);
		cout << endl << endl;
		menu();
		cin >> select;
	}


        cout << "Done." << endl;

	return 0;
}

void menu()
{       
        cout << "\t MENU\n";
        cout << "\t======\n";   
        cout << "E - Enter customer data\n";
        cout << "C - Change customer data\n";
        cout << "P - Print customer data\n";
	cout << "S - Search customers by name\n";
        cout << "Q - Quit \n\n";
        cout << "Your selection: ";
}       


void enter(Customer client[])
{
        char dummy;
	bool go = true;
        
        for(int i=0; i<MAX; i++)
        {
                cin.get(dummy); 
		while(go)
		{
                	cout << "\n\nFor customer " << i+1 << ":\n";
                	cout << "Name: ";
                	getline(cin, client[i].name);
			if(client[i].name.empty() == false)
				go = false;
		}
		go = true;
		while(go)
		{
                	cout << "Balance: ";
                	cin >> client[i].balance;
			if(client[i].balance > 0)
				go = false;
		}
		go = true;
		while(go)
		{
                	cout << "Month of Last Payment: ";
                	cin >> client[i].lastPay.month;
			if(client[i].lastPay.month >= 1 && 
				client[i].lastPay.month <= 12)
				go = false;
		}
		go = true;
		while(go)
		{
                	cout << "Day of Last Payment: ";
                	cin >> client[i].lastPay.day;
			if(client[i].lastPay.day >= 1 && 
				client[i].lastPay.day <= 31)
				go = false;
                }
		go = true;
		while(go)
		{
			cout << "Year of Last Payment: ";
                	cin >> client[i].lastPay.year;
			if(client[i].lastPay.year >= 1900 && 
				client[i].lastPay.year <= 2007)
				go = false;
		}
		go = true;
                cout << endl;
       }
               
}

void change(Customer client[])
{
	int num;
	char ch, dummy;

	cout << "What is the customer number of the account you wish to change? ";
	cin >> num;
	cout << endl;

	cout << "Enter the letter of the info you wish to change:\n";
	cout << "a -- customer " << num << "'s name\n";
	cout << "b -- customer " << num << "'s balance\n";
        cout << "c -- customer " << num << "'s Month of Last Payment\n";
        cout << "d -- customer " << num << "'s Day of Last Payment\n";
	cout << "e -- customer " << num << "'s Year of Last Payment\n";
	cout << endl << "Your choice: ";
	cin >> ch;
	cout << endl;
	
	if(ch == 'a')
	{
		cin.get(dummy);
		cout << "Enter the new name: ";
		getline(cin, client[num-1].name);
		cout << "Customer " << num << " is now 
			under the name " << client[num-1].name << endl;
	}
	if(ch == 'b')
        {
                cin.get(dummy);
                cout << "Enter the new balance: ";
                cin >> client[num-1].balance;
                cout << "Customer " << num << " now has a balance of: " 
                        << client[num-1].balance << endl; 
        }
	if(ch == 'c')
	{       
                cin.get(dummy);
                cout << "Enter the new month of last payment: ";
                cin >> client[num-1].lastPay.month;
                cout << "Customer " << num << "'s last payment was in 
			the month of: " << client[num-1].lastPay.month
			 << endl;
        }
        if(ch == 'd')
        {       
                cin.get(dummy);
                cout << "Enter the new day of last payment: ";
                cin >> client[num-1].lastPay.day;
                cout << "Customer " << num << "'s last payment was on 
			the day of: " << client[num-1].lastPay.day
			 << endl;
        }
        if(ch == 'e')
        {       
                cin.get(dummy);
                cout << "Enter the new year of last payment: ";
                cin >> client[num-1].lastPay.year;
                cout << "Customer " << num << "'s lasy payment was in 
			the year of: " << client[num-1].lastPay.year
			 << endl;
        }

}

void print(Customer client[])
{
	int num;

	cout << "What is the number of the customer whose data you would 
		like to print (to print all data, type -1)? ";
	cin >> num;
	
	if(num != -1)
	{	cout << "\n Information for customer " << num-1 << ":\n";
		cout << "Name: \t\t" << client[num-1].name << endl;
        	cout << "Balance: \t" << client[num-1].balance << endl;
        	cout << "Month of Last Payment: " <<  client[num-1].lastPay.month 
			<< endl;
        	cout << "Day of Last Payment: " << client[num-1].lastPay.day << 
			endl;
       		cout << "Year of Last Payment: " << client[num-1].lastPay.year << 
			endl;
	}
	if(num == -1)
	{	for(int i=0; i < MAX; i++)
		{
		 	cout << "\nInformation for customer " << i+1 << ":\n";
                	cout << "Name: \t\t" << client[i].name << endl;
                	cout << "Balance: \t" << client[i].balance << endl;
                	cout << "Month of Last Payment: " <<  client[i].lastPay.month
                	        << endl;
               		cout << "Day of Last Payment: " << client[i].lastPay.day <<
                	        endl;
        	        cout << "Year of Last Payment: " << client[i].lastPay.year <<
	                        endl;

		}	
	cout << endl << endl;
	}
}

void search(Customer client[])
{
	string search;
	int num = 0, x;
	char dummy;

	cout << "What is the name of the customer you're looking for: ";
	cin.get(dummy);		//"\n"
	getline(cin, search);
	
	for(int i=0; i < MAX; i++)
	{	x = client[i].name.find(search, 0);
		if(x != -1)
		{
		  	cout << "\nInformation for customer " << i+1 << ":\n";
                        cout << "Name: \t\t" << client[i].name << endl;
                        cout << "Balance: \t" << client[i].balance << endl;
                        cout << "Month of Last Payment: " <<  client[i].lastPay.month
                                << endl;
                        cout << "Day of Last Payment: " << client[i].lastPay.day <<
                                endl;
                        cout << "Year of Last Payment: " << client[i].lastPay.year <<
                                endl;
			num = num + 1;
		}
	}
	if(num == 0)
		cout << "No customer matches your search." << endl;
}