/*
* Programmer: MANCENIDO, Miguel Jose M.
* Date Created: 1/21/2020
* Terminal No: 39
* Program: BMCS
* Course / Section: CS127L/BM2
* Purpose: This is an inventory program that displays the products inputted by the user.
*/
#include <iostream>
#include <string>
#include <stdlib.h>
#include <fstream>
#include<conio.h>
#include<windows.h>
#include<iomanip>
using namespace std;
void login();
string EnterPassword();
struct newprod
{
	string product;
	int prodNo;
	int prodVal;
};
struct newproduct
{
	string name;
	double price;
	int stock;
	int sold;
};

int main()
{
	login();
	newprod product[200];
	newproduct prod[200][200];
	int no1, no2;
	int i;
	int j;
	char ch;
	cout<< "***** INVENTORY SYSTEM C++.2 *****"<<endl;
	cout<< "ENTER NUMBER OF PRODUCTS FOR INVENTORY: ";
	cin>>no1;
	cout<<endl<<"ENTER "<<no1<<" PRODUCTS"<<endl;


	for(i=0; i<no1; i++)
	{
		cout<< "Product"<<i+1<<":";
		cin>> product[i].product;
		product[i].prodNo=i+1;
		cout<<endl;
		cout<< "How many "<<product[i].product<<"?";
	cin>>no2;
	product[i].prodVal=no2;


		for(j=0; j<no2; j++)
	{
		cout<< product[i].product<<"["<<j+1<<"]:";
		cin>>prod[i][j].name;
		cout<<endl;
		cout<<"price: Php";
		cin>>prod[i][j].price;
		cout<<"stock: ";
		cin>>prod[i][j].stock;
		cout<<"sold: ";
		cin>>prod[i][j].sold;
		cout<<endl;
	}

}
system("cls");
	cout<< "***** INVENTORY SYSTEM C++.2 *****"<<endl;
	cout<<"PROD.NO   PRODUCT   NAME         PRICE    STOCK    SOLD   LEFT";
	for(i=0; i<no1; i++)
	{

		cout<<endl<<"   ["<< product[i].prodNo <<"]   "<< product[i].product<< "    ";

		for(j=0; j<product[i].prodVal ; j++)
		{
		if(j>0)
		{
			cout<<"                    ";
		}
		cout <<setw(17)<< left<< prod[i][j].name << setw(8)<< left << prod[i][j].price << setw(8)<< left << prod[i][j].stock << setw(8)<< left<< prod[i][j].sold << setw(8)<< left <<prod[i][j].stock-prod[i][j].sold<<endl<<endl;


	}
}
}

void login ()
{
    string userName;
    string userPassword;
    int loginAttempt = 0;

    while (loginAttempt < 3)
    {
    	cout << " PRODUCT INVENTORY SYSTEM CS127L "<<endl;
        cout << "Username: ";
        cin >> userName;
        system("cls");
        cout << " PRODUCT INVENTORY SYSTEM CS127L "<<endl;
        cout << "Password: ";
        userPassword = EnterPassword();
        system("cls");
	try{
        if (userName == "miguel" && userPassword == "jose")
        {
            cout << "Welcome Miguel"<<endl;
            break;
        }
        else if (userName == "isabel" && userPassword == "obordo")
        {
            cout << "Welcome Isabel!"<<endl;
            break;
        }
        else
        {
            throw 99;

        }
    }catch(int error){
    	cout<<"Invalid username and/or password"<<endl<<"ERROR NUMBER:"<< error<<endl;
    	loginAttempt++;
    	system("pause");
    	system("cls");
	}
    }
    if (loginAttempt == 3)
    {
            cout << "Too many login attempts! The program will now terminate.";
            exit(0);
    }

}
string EnterPassword()
{
 	//add code here
	string password="";
   	char ch;//h

   	while(ch != '\r') //Loop until 'Enter' is pressed
    {
        ch = getch();

        if(ch=='\b')
        {
        	if(password.size()!=0)
        	{
        		cout<<"\b"<<" "<<"\b";
        		password.erase(password.size()-1,-1);
			}
		}

		else if(ch=='\r')
		{
			break;
		}

		else
		{
			password += ch;
        	cout << "*";
		}
	}

 	return password;
}