#include <stdio.h>
#include <string>
#include <vector>
#include <windows.h>
#include <iostream>
#include <sstream>
#include <fstream>
//macros
#define LOCATE(r, c) GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbiInfo);csbiInfo.dwCursorPosition.X = c;csbiInfo.dwCursorPosition.Y = r; SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), csbiInfo.dwCursorPosition);

using namespace std;

//prototyping
void paintMenu(), getChoice();
void car(string carName);
void paintCarMenu(string carName), getCarChoice();
void toScreen(string file);


//global varable
char choice;
int carChoice;
vector <std::string> option;
CONSOLE_SCREEN_BUFFER_INFO csbiInfo;

int main()
{
	do
	{
		paintMenu();
		getChoice();
	}while(choice != '0');
	system("CLS");
	return 0;
}

void paintMenu()
{
	system("CLS");
	LOCATE(0,35);
	puts("MAIN MENU");
	LOCATE(2,0);
	puts("\t1. Cars");
	puts("\t2. Jobs");
	puts("\t3. Programs");
	puts("\n\r\t0. Quit");
	LOCATE(23,0);
	printf("Enter your choice (0,1,2,3) =>");
}

void getChoice()
{
	scanf("%c",&choice);
	switch(choice)
	{
		case '1' : car(""); break;
		//case '2' : jobs(); break;
		//case '3' : programs(); break;
		case '0' : break;
		default : LOCATE(23, 40); printf("Invalid Entry\n\r"); system("PAUSE");
	}
	fflush(stdin);
}

void car(string carName)
{
	do
	{
		paintCarMenu(carName);
		getCarChoice();
	}while(carChoice != '0');
	system("CLS");
}

void paintCarMenu(string carName)
{
	option.clear();
	string line;
	system("CLS");
	LOCATE(0,35);
	ifstream carList;
	if(carName == "")
	{
		puts("Car Menu");
		carList.open("car");
	}
	else
	{
		cout << carName << " Menu";
		carList.open(carName.c_str());
	}
	LOCATE(1,0);
	for(int k = 1; !carList.eof(); k++)				
	{
		getline(carList,line);				//gets one line from text file as String
		if(line[0] == '_')
		{
			toScreen(carName);
			return;
		}
		//printf("\t%i. %s\n\r",k,line);
		cout << "\n\r\t" << k << " " << line;
		option.push_back(line);
	}
	puts("\n\n\r\t0. Quit");
	LOCATE(23,0);
	printf("Enter your choice =>");
	carList.close();
	
}

void toScreen(string fileName)
{
	LOCATE(0,35)
	cout << fileName;
	LOCATE(1,0);
	string line;
	ifstream file;
	file.open(fileName.c_str());
	while(!file.eof())				
	{
		getline(file,line);
		cout << "\n\r";
		cout << line;
	}

}

void getCarChoice()
{
	cin.ignore();
	fflush(stdin);
	scanf("%i",&carChoice);
	for( int j = 0; j < option.size(); j++)
	{
		if( carChoice == '0')
		{
			break;
		}
 
		else if(carChoice == j + 1)
		{
			cout << " i get here " <<  option.at(j);
			car(option.at(j));
			return;
		}
	}

	{
		LOCATE(23, 40);
		printf("Invalid Entry\n\r");
		system("PAUSE");
		//getCarChoice();
		//break;
	}
	
	fflush(stdin);
}