//This is Practice Program I am making

//binary(my_random_number); this is used to show the random binary

#include <iostream>										// Include the standard
#include <windows.h>									// We need to include this for "console" functions.
#include <string>										
// Allows us to use the "string" type

#include <ctime>
#include <cstdlib>
#include <algorithm>
#include <vector>

using namespace std;									// Use the standard namespace (blah blah, not important to understand right now)


string userName;  //The variable for there name

int Age; //The variable for there age

int Play; //the variable to determine if they want to play or not

int Answer; //variable for answers with numbers

string stranswer;
int score = 0; //variable that keeps track of there score

int total = 0; //variable that keeps track of there number of questions

string Engelbart = "Engelbart";
string engelbart = "engelbart";
int Trivia();
void binary(int);
int question;
int Kilobyte();
int age();
int binary();
int entername();
int bios();
int RAM();
int nibble();
int mouse();
int ending();

// Here is our function that draw's a color string in a DOS window.

// We just pass in the string, the X and Y position, then the color we desire.

// The color can be a background color AND a foreground color.  Here are some color examples:

// FOREGROUND_GREEN; FOREGROUND_RED; FOREGROUND_BLUE; - BACKGROUND_RED; BACKGROUND_BLUE; BACKGROUND_GREEN;

// You can mix and match these to create other colors.  Look in "Main()" to see how  


void DrawColorString(string szText, int X, int Y, WORD color)
{	
	HANDLE OutputH;										// This will be used for our handle to the output (basically, holds permission to change the output settings)

	COORD position = {X, Y};							// Create a COORD and set it's x and y to the X and Y passed in.


	OutputH = GetStdHandle(STD_OUTPUT_HANDLE);			// Get a OUTPUT handle to our screen.


	SetConsoleTextAttribute(OutputH, color);			// Set the text attribute to what ever color that was passed in.

														// The function SetConsoleTextAttribute takes (the handle to the output, and the color);

	SetConsoleCursorPosition(OutputH, position);		// Set the cursor position to the desire position passed in.


	cout << szText;										// Now print out what we wanted to at the position that was passed in.


}

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//OK, trying out this vector thing, since i have never used them before i //

//I do this right.  Im assuming i want the vector near the top, IF not    //

//Could someone show me te place it should go, thanx,.                    //

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vector<void (*)(void)> questions;

questions.push_back(&Kilobyte);
questions.push_back(&age);
questions.push_back(&binary);
questions.push_back(&RAM);
questions.push_back(&entername);
questions.push_back(&bios);
questions.push_back(&nibble);
questions.push_back(&mouse);

random_shuffle(questions.begin(), questions.end());


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int main()
{
	srand(time(0)) ;
	int maximum_desired_number = 100 ;
	int my_random_number = rand() % maximum_desired_number + 1 ;
	/////////////////////////////////////////////////////////////

	/////////////////////////////////////////////////////////////

	
	cout << "\t\t    Welcome to my Practice Program!";
	cout << endl << endl <<"\t\tHi my name is Falto the Computer Program.\n"; // The welcome message to my program

	cout << "\t\t\tWhat is your name?\n\t\t\t   "; //asks them what there name is 

	cin >> userName; //requires user input, up to 20 characters long 

	cout << "\n\n\t\tWelcome " << userName << " to my practice program!\n"; //Displays there name and says message

	cout << "\t\tI was born on September 14 2002\n\t\tSo that means you can calculate my age.\n\t\tWhat is your age?\t";
	cin >> Age; //requires user input for there age

	cout << "\n\t\tYou are " << Age << " years old, and your name is " << userName << ".\n";
	cout << "\t\tWould you like to play my computer trivia game?\n\t\tPlease Enter 1 for yes, 2 for no!\t";
	cin >> Play; //requires user input, 1 for yes, 2 for no.

	if(Play==1) //This starts up trivia

	{
	Trivia();
	}
	else if(Play==2) //This is if they dont want to play and it quits

	{
	cout << "\n\n\t\tYou dont want to play my Trivia Game!\n";
	cout << "\t\tWell I am sorry about that.\n\t\tYour lost, HAHAHA\n";
	return 0;
	}
	else //This is if they don't enter yes or no

	{
		cout << "\t\tI'm sorry but that wasn't a valid entry.\n";
		cout << "\t\tShutting Down Program\n";
	}
	
	return 0; //returns the value of zero to your program

}

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int Trivia()

{
	srand(time(0));
	int maximum_desired_number = 100 ;
	int my_random_number = rand() % maximum_desired_number + 1 ;

	srand(time(0));
	int question_number = 8;
	int random_question_number = rand() % question_number + 1;


	cout << "\n\n\n\t\tWelcome to Computer Trivia!\n\t\tPrepare for your First Question.\n";
	

	switch (random_question_number) {
	case 1:Kilobyte();
		break;
	case 2:age();
		break;
	case 3:binary();
		break;
	case 4:RAM();
		break;
	case 5:entername();
		break;
	case 6:bios();
		break;
	case 7:nibble();
		break;
	case 8:mouse();
		break;
	}

	
	
	return 0;
}

	
int Kilobyte()
{
	question = question + 1;
	cout << "\n\n\n\n\n\n\n\t\tQuestion " << question << ":\n\t\tHow many bytes are in a Kilobyte?\n";
	cout << "\t\tPlease type your answer here.\t";
	total = total + 1;
	cin >> Answer;
	if(Answer==1024)
	{
		
		cout << "\n\n\tThat is a correct answer, your doing good, keep up the good work!\n";
		
		cout << "\t\tLet's move onto the next question!\n";
		score = score + 1;
	}
	else
	{
		cout << "\n\t\t\tSorry, that's the wrong answer.\n";
		cout << "\tThe correct answer is that there is 1024 bytes in a kilobyte\n";
	}

	return 0;
}

int age()
{
	question = question + 1;
	cout << "\n\n\n\n\n\n\t\tQuestion " << question << ":\n\tWhat did you enter your age as at the beginning of this program?\n";
	cout << "\t\t\t\t";
	total = total + 1;
	cin >> Answer;
	if (Answer==Age)
	{
		cout << "\n\tAwesome, that's a correct answer, you got good memory!\n";
		cout << "\t\tOn with the next question as they say\n";
		score = score + 1;
	}	
	else
	{
		cout << "\n\t\t\tSorry, that's the wrong answer.\n";
		cout << "\tYou entered your age as "<< Age << " at the beginning of the game\n";
	}

	return 0;
}

int binary()
{
	question = question + 1;
	srand(time(0));
	int maximum_desired_number = 100 ;
	int my_random_number = rand() % maximum_desired_number + 1 ;
	cout << "\n\n\n\n\n\n\t\tQuestion " << question << ":\n\t";
	cout << "\tWhat is the decimal for binary " ;
	binary(my_random_number);
	cout << "\t";
	total = total + 1;
	cin >> Answer;
	if (Answer==my_random_number)
	{
		cout << "\n\t\tWow, trick questions dont fool you, do they\n";
		score = score + 1;
	}
	else
	{
		cout << "\n\t\t\tSorry, that's the wrong answer.\n";
		cout << "\t\tThe correct answer is " << my_random_number << "!\n";	 
	}

	return 0;
}

int RAM()
{
	question = question + 1;
	cout << "\n\n\n\n\n\n\t\tQuestion " << question << ":\n\t";
	cout << "\tWhat does RAM stand for\n";
	cout << "\t\tPlease enter the number of the multi-choice\n";
	cout << "\n\t\t1) Real Access Memory";
	cout << "\n\t\t2) Random Area Message";
	cout << "\n\t\t3) Random Access Memory";
	cout << "\n\t\t4) Radio Active Machine\t\t";
	total = total + 1;
	cin >> Answer;
	if (Answer==3)
	{
		cout << "\n\t\tExcellent, you got the first multi-choice right";
		score = score + 1;
	}
	else
	{
		cout << "\n\t\t\tSorry, that's the wrong answer.\n";
		cout << "\t\tThe correct answer is 3)Random Access Memory.";	  
	}

	return 0;
}

int entername()
{
	question = question + 1;
	cout << "\n\n\n\n\n\n\t\tQuestion " << question << ":\n\t";
	cout << "\tWhat did you enter your name as\n\t\tat the beginning of this program\n\t\t\t";
	total = total + 1;
	cin >> stranswer;
	if (stranswer==userName)
	{
		cout << "\n\t\tThat's a correct answer\n\t\tI'm surprised you can remember your name.";
		score = score + 1;
	}
	else
	{
		cout << "\n\t\t\tMan your stupid, can't even remember your own name\n\t\t\tShame on you.";
	}

	return 0;
}

int bios()
{
	question = question + 1;
	cout << "\n\n\n\n\n\n\t\tQuestion " << question << ":\n\t";
	cout << "\tWhat type of memory is the BIOS stored in?\n\t\tPlease use abbreviations\n\t\t\t";
	total = total + 1;
	cin >> stranswer;
	if (stranswer== "ROM") /* or "Read Only Memory" or "read only memory" or "rom"*/
	{
		cout << "\n\t\t\tThat's awesome, add another point to your score.";
		score = score + 1;
	}
	else
	{
		cout << "\n\t\t\tSorry that's the wrong answer, the correct one is\n\t\t\tROM or Read Only Memory\n";
	}

	return 0;
}

int nibble()
{
	question = question + 1;
	cout << "\n\n\n\n\n\n\t\tQuestion " << question << ":\n\t";
	cout << "\tHow many bits are in a nybble/nibble?\n\t\t\t\t";
	total = total + 1;
	cin >> Answer;
	if (Answer == 4) /* or "Read Only Memory" or "read only memory" or "rom"*/
	{
		cout << "\n\t\tThat's awesome, tally up another point for your score.";
		score = score + 1;
	}
	else
	{
		cout << "\n\t\t\tSorry that's the wrong answer, the correct one is\n\t\t\t\tFour Bits\n";
	}

	return 0;
}

int mouse()
{
	question = question + 1;
	cout << "\n\n\n\n\n\n\t\tQuestion " << question << ":\n\t";
	cout << "\tWho invented the mouse, last name only?\n\t\t\t\t";
	total = total + 1;
	cin >> stranswer;

	if (stranswer == Engelbart) 
	{
		cout << "\n\t\t\tThat's awesome, tally up another point for your score.";
		score = score + 1;
	}
	else if (stranswer == engelbart)
	{
		cout << "\n\t\tThat's awesome, tally up another point for your score.";
		score = score + 1;
	}
	else
	{
		cout << "\n\t\t\tSorry that's the wrong answer, the correct one is\n\t\t\t\tEngelbart\n";
	}

	return 0;
}

int ending()
{
	cout << "\n\n\n\n\t\tYou score was " << score << "/" << total;
	return 0;
}

	
void binary(int my_random_number) {
	int remainder;

	if(my_random_number <= 1) {
		cout << my_random_number;
		return;
	}

	remainder = my_random_number%2;
	binary(my_random_number >> 1);    
	cout << remainder;
}



      

  switch (random_question_number) {  case 1:Kilobyte();  case 2:age();  case 3:binary();  case 4:RAM();	  case 5:entername();  case 6:bios();  case 7:nibble();  case 8:mouse();  break; }  

  vector<void (*)(void)> questions;  

  questions.push_back(&Kilobyte);questions.push_back(&age);questions.push_back(&binary);// and so on.  

  questions.push_back(Kilobyte);questions.push_back(age);questions.push_back(binary);// and so on.  

  random_shuffle(questions.begin(), questions.end());  

  for(int c = 0; c < questions.size(); ++c) (*questions[c])();  

  for(int c = 0; c < questions.size(); ++c) questions[c]();