/******************************
   Cody Hesselgrave
   2/16/2019
   PA2_Cody_Hesselgrave.cpp
   Description
********************************/

// Headers
#include <iostream>
#include <cstdlib>
#include <string>
#include <vector>
#include <fstream>
#include <algorithm>
using namespace std;

// Global variables
const int CREATURE_NAME_SIZE = 30;			// Max length of a creature name
const int CREATURE_TYPE_SIZE = 26;			// Max length of a creature type
const string FILENAME = "creatures.dat";	// Name of file that contains the data

// struct used to create records in file
struct Creature
{
	char name[CREATURE_NAME_SIZE];				// Name of the creature
	char creatureType[CREATURE_TYPE_SIZE];		// Type of creature
	int hp;										// Hit points for creature
	int armor;									// Armor class for creature
	int speed;									// Speed of creature
};

// This function returns true if the name of the left creature is less than the name of the right creature
// Use this function when running the sort function
bool sortByName(const Creature &lhs, const Creature &rhs)
{
	string name1(lhs.name), name2(rhs.name);
	return name1 < name2;
}

// Function declarations
// You will need to code the definitions for each of these functions
int getCreatureNumber(int numCreatures);
void displayCreature(fstream& file, int num);
void displaySorted(fstream& file);

int main()
{
	char choice;			// choice made by user for menu
	fstream creatureFile;	// file stream for input file
	int numCreatures;		// the number of creatures saved to the file

	// Open the creatureFile for input and binary (one statement of code)


	// Get the number of creatures in the file (two statements of code)
	// The number of creatures should be assigned to numCreatures

	do
	{
		cout << "Menu" << endl;
		cout << "1. Display a specific creature\n";
		cout << "2. Display all creatures sorted by name\n";
		cout << "3. Quit\n";
		cout << "Enter your choice (1, 2, 3): ";
		cin >> choice;

		while (cin.get() != '\n');

		switch (choice)
		{
		case '1':	// Display a specific creature
			displayCreature(creatureFile, getCreatureNumber(numCreatures));
			break;

		case '2':	// Display all the creatures in order
			displaySorted(creatureFile);
			break;

		case '3':	// Quit
			break;

		default:
			cout << "Invalid option.\n";
			break;
		}

		if (choice != '3')
		{
			system("PAUSE");
			system("CLS");
		}

	} while (choice != '3');

	creatureFile.close();


	//	Make sure we place the end message on a new line
	cout << endl;

	//	The following is system dependent.  It will only work on Windows
	system("PAUSE");

	/*
	// A non-system dependent method is below
	cout << "Press any key to continue";
	cin.get();
	*/
	return 0;
}

/*******************************************************************
getCreatureNumber gets and returns the record number from the file that the user would like to be displayed
PARAM:	numCreatures should be the value of the total number of records (creatures) in the file
PRE:	numCreatures contains a value that is equal to the number of records in the file
POST:	A value between 1 and numCreatures is returned as selected by the user
NOTE:	Do not allow a value less than 1 or greater than numCreatures to be returned
********************************************************************/
int getCreatureNumber(int numCreatures)
{

}

/*******************************************************************
displayCreature displays record number num from file
PARAM:	file is a fstream that should be open for input and binary
		num contains the record number that is to be read in file
PRE:	file is a fstream that is open for input and binary
		num is a value between 1 and the number of records in file
POST:	The record number num is displayed to the monitor
********************************************************************/
void displayCreature(fstream& file, int num)
{

}

/*******************************************************************
displaySorted should read file into a vector. It should then sort the vector by
the name of the creature. Last it should display the vector
PARAM:	file is a fstream that should be open for input and binary
PRE:	file is open for input and binary
POST:	Each record is displayed sorted by the name of the creature
********************************************************************/
void displaySorted(fstream& file)
{
	vector<string> vect;

	file.open(FILENAME);
	if (file.fail)
	{
		cout << "File not found.";
	}
	/*
	for (int i = 0; i < file.end; i++)
	{
		vect[i] = file.getline(file, line1[a], '\n');
	}
	*/
}