#include <iostream>
#include <fstream>
#include <string>
#include "Hardware.h"

using namespace std;

int main()
{
    int ch = 0, count = 0, rNo, qty;
    string fileName, h1, h2, h3, h4, hName;
    double c;

    ifstream inFile;
    ofstream outFile;
    HardwareData hwd[100];

    std::cout << std::endl;
    std::cout << "Enter 1 for opening data file" << std::endl;
    std::cout << "Enter 2 for listing all the records" << std::endl;
    std::cout << "Enter 3 for entering new records" << std::endl;
    std::cout << "Enter 4 to exit" << std::endl;
    std::cout << "Choice: ";
    std::cin >> ch;

    //loop
    while(ch!=4)
    {
        //switch case for choice
        switch(ch)
        {
            case 1:
                std::cout << "Enter File Name: ";
                cin >> fileName;
                inFile.open(fileName);
                if(!inFile)
                {
                    //creating data file since it does not exist
                    std::cout << "File does not exist, creating the data file." << std::endl;
                    outFile.open(fileName);
                    outFile << "Record# "<<"HardwareDateName "<<"Quantity "<<"Cost";

                    //closing data file
                    outFile.close();
                        inFile.open(fileName);
                }
                break;
            case 2:
                if(!inFile)
                {
                    std::cout << "File not opened yet. Open the file first." << std::endl;
                }
                else
                {
                    inFile>>h1>>h2>>h3>>h4;
                    std::cout << h1 << "\t" << h2 << "\t" << h3 << "\t" << h4 << std::endl;

                    while(!inFile.eof())
                    {
                        inFile >> rNo >> hName >> qty >> c;
                        hwd[count].setRecNo(rNo);
                        hwd[count].setHardwareName(hName);
                        hwd[count].setQuantity(qty);
                        hwd[count].setCost(c);
                        count++;
                    }
                    for (int i = 0; i < count; i++)
                    {
                        std::cout << hwd[i].getRecNo() << "\t" << hwd[i].getHardwareName() << "\t\t\t" << hwd[i].getQuantity() << "\t\t" << hwd[i].getCost() << std::endl;
                    }
                }
                break;
            case 3:
                inFile.close();
                outFile.clear();
                outFile.open(fileName, ios::app);
                cout<<"Enter the part number (0-99, -1 to end input): ";
                cin>>rNo;

            while(rNo!=-1)
              {
                   std::cout<<"Enter tool name: ";
                   std::cin>>hName;
                   std::cout<<"Enter Quantity and Price: ";
                   std::cin>>qty>>c;
                   outFile<<endl<<rNo<<" "<<hName<<" "<<qty<<" "<<c;
                   std::cout<<"Enter the part number (0-99, -1 to end input): ";
                   std::cin>>rNo;
              }
              outFile.close();
              inFile.open(fileName);
              break;
          case 4:
              break;
          default:
              std::cout<<"Invalid choice. Enter a valid choice."<<endl;
              break;
          }
          std::cout<<"Choice: ";
          std::cin>>ch;
     }
        return 0;
        }