/*****************************************/
/*Allan Clark*****************Alvoice.cpp*/
/*Nov 25/02*******************************/
/*This program will generate**************/
/*an invoice for up to 10 items and then**/
/*store them in an array******************/
/*****************************************/

#include <iostream.h>				//The library call for input/output
#include <iomanip.h>					//The library call for input/output manipulation
#include <conio.h>					//The library call for clrscr()
#include <string.h>					//The library call used to manipulate string variables.
#include <math.h>						//The library call to use math equations (sqrt)
#include <stdlib.h>					//The library call for random number
#include <time.h> 			      //The library call to acquire the system's date

double array[31];
double pointer[31];
double array2[31];
double pointer2[31];
double limit1;
double price[101], quantity[11];
int ctr;

void input(char fname[15], char lname[15], double& limit)
	{	cout << setiosflags(ios:: fixed);
		cout << setprecision(0);
													//Fowler Statement//
		cout << endl << endl;
		cout << "\t  Invoice Extension Version 0.0" << endl << endl;
		cout << "\t  ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*" << endl;
		cout << "\t  ~This program will  generate an invoice*" << endl;
		cout << "\t  ~  of up to 10 items and then store    *" << endl;
		cout << "\t  ~           them in an array           *" << endl;
		cout << "\t  ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*" << endl;
		cout << endl;

		cout << "                   // Allan Clark - Programmer //" << endl << endl;

		cout << "     Press Any Key to Continue";

		getch();                          // gets character //
		clrscr();								//Clears the fowler screen and goes to the input screen//

		cout << "\t\t[]-----------------------------[]" << endl;
		cout << "\t\t||                             ||" << endl;
		cout << "\t\t||    Welcome to the Price     ||" << endl;
		cout << "\t\t||   Comparison Generater      ||" << endl;
		cout << "\t\t||       Please enter the      ||" << endl;
		cout << "\t\t||    amount of items you      ||" << endl;
		cout << "\t\t||            want             ||" << endl;
		cout << "\t\t||                             ||" << endl;
		cout << "\t\t[]-----------------------------[]" << endl;

		cout << endl << "   What is your first name?................: ";
		cin >> fname;
		cout << endl << endl;

		cout << "   What is your last name?.................: ";
		cin >> lname;
		cout << endl << endl;
		limit = 0;
		do
		{cout << "   How many items do you want...........: ";
		cin >> limit;
		cout << endl;
		if(limit > 10)
			{cout << "Too many items";
			cout << endl;
			getch();}
		if(limit < 1)
			{cout << "You don't want any items?"; getch();
			cout << endl;}}while(limit > 30 | limit < 1);

		ctr = 0;
		for(ctr = 1; ctr <= limit; ctr++)
			{
			clrscr();

			cout << endl << endl << endl;
			cout << "\t[]***************************************[]" << endl;
			cout << "\t||      Prices and Quantities Page       ||" << endl;
			cout << "\t||                                       ||" << endl;
			cout << "\t||       !@$$@!!@$$@!!@$$@!!@$$@!        ||" << endl;
			cout << "\t||                                       ||" << endl;
			cout << "\t||        Please enter the price         ||" << endl;
			cout << "\t||      and quantity of each item        ||" << endl;
			cout << "\t||                                       ||" << endl;
			cout << "\t[]***************************************[]" << endl;
			gotoxy(9,20);
			cout << endl << "\t Please enter the quantity of item " << ctr << " : ";
			cin >> quantity[ctr];
			gotoxy(9,21);
			cout << endl << "\t Please enter the price of item " << ctr << " : ";
			cin >> price[ctr];
			quantity[ctr];
			getch();
			}
		}

void output(char fname[15], char lname[15], char name[30], double& limit, double& x, double& y, double& temp, int& ctr, double& temp2, int& cordx, int& cordy, double& ext, double& gross)
	{
	input(fname, lname, limit);

	clrscr();

	time_t t=time(NULL);
	cout<<"       " << ctime(&t)<< endl << endl;	//Displays the time//

	cout << "\t\t\t PRICE COMPARISON" << endl;
	cout << "\t\t\t ~~~~~~~~~~~~~~~~" << endl;

	cout << endl << endl;
	strcpy(name, lname);
	strcat(name, ", ");
	strcat(name, fname);

	cout << "\tName of Person: " << name;

	cout << "\t Number of Items Purchased: " << limit << endl;

	cout << endl << endl;
	cout << "  Item #\tQuantity\t   Price\t     Extension" << endl;
	cout << "  ~~~~~~\t~~~~~~~~\t   ~~~~~\t     ~~~~~~~~~" << endl << endl;
	ctr = 0;
	cordx = 22;
	cordy = 14;
   gross = 0;
   cout << setiosflags(ios:: right);
	while(ctr != limit)
		{
		cout << setprecision(0);
		ctr++;
  		ext = price[ctr] * quantity[ctr];
      cout << "     " << ctr;
		gotoxy(cordx,cordy);
		cordy++;
		cout << quantity[ctr] << "            $" << setprecision(2) << price[ctr] << "               $" << ext << endl;
		getch();
      gross = gross + ext;
		}
		cout << endl << "\t\t\t\t\t\t     _________";
		cout << endl << "\t\t\t\t\t\t     ~~~~~~~~~";
		cout << endl << "\t\t\t\t Total Gross: " << gross << endl << endl;}




int main(void)
	{char yes;
		do
		{
		char fname[15], lname[15], name[30], blank;				 // Declaration of Local Variables //
		double out, guess, limit, limit1, array, x, y;
		double temp;
		int ctr, cordx, cordy;
		double temp2, ext, gross;
		clrscr();

		output(fname, name, lname, limit, x, y, temp, ctr, temp2, cordx, cordy, ext, gross);

		cout << endl;
		cout << "\t\t\t Invoice Complete" << endl;
		cout << " Do you wish to make another one? (y/n) ";
		cin >> yes;
		if(yes != 'y')
		{return 0;}
		}while(yes = 'y');}