/********************************************************************
*	KYU BAE
*	PROJECT #2			< Cdinventory.cpp >
*********************************************************************
*		Cd inventory definitons
*		member function are defined 
*		
*******************************************************************/

#include <string.h>
#include <fstream.h>
#include <iomanip.h>
#include <iostream.h>
#include <stdlib.h>
#include <math.h>
#include "slist.h"
#include "Cdinventory.h"

//global constants
const int _MaxCopy=37;
const int _STRG_SZ=4;


/********************************************************************
*	cdinventory class
*	set data members
*	return nothing
********************************************************************/
void Cdinventory::Setcategory(char categoryIn)
{
	category=categoryIn;
}
void Cdinventory::Setcodenum(int codenumIn)
{
	codenum=codenumIn;
	//strcpy(codenum, codenumIn);
}
void Cdinventory::Setcopynum(int copynumIn)
{
	copynum = copynumIn;
}
void Cdinventory::Setartist(char* artistIn)
{
	strcpy(artist, artistIn);
}
void Cdinventory::Settitle(char* titleIn)
{
	strcpy(title, titleIn);
}
/********************************************************************
*	Cdinventory Class
*	getting data members
*	return char, int
********************************************************************/
char Cdinventory::Getcategory(void)
{
	return category;
}
int Cdinventory:: Getcodenum (void)
{
	return codenum;
}
int Cdinventory::Getcopynum (void)
{
	return copynum;
}
char* Cdinventory::Getartist(void)
{
	return artist;
}
char* Cdinventory::Gettitle (void)
{
	return title;
}
/********************************************************************
*	Cdinventory & Cdlist constructors
*	initializing the datamembers to zeros
*
********************************************************************/
Cdinventory::Cdinventory()
{
    Setcategory ('0');
	Setcodenum  (000000);
	Setcopynum  (000);
	Setartist   ("000000");
	Settitle    ("000000");
}
Cdlist::Cdlist()
{
	_ListSize = 0;
	_MaxSize = _MaxCopy;
	_ListPtr = new Cdinventory [_MaxSize];

	if (_ListPtr == NULL)
	{
		exit(1);
	}
}

/********************************************************************
*	_Fileinput()
*	reads records from the file and check for the success for opening
*	return nothing
********************************************************************/
void Cdlist::_FileInput(char* fname)
{
	_ListSize = 0;
	_MaxSize = _MaxCopy;
	_ListPtr = new Cdinventory[_MaxSize];

	ifstream EntryFile(fname, ios::in, ios::nocreate);
	if (!EntryFile)
	{
		cout <<"	File could not be opened!!!!\n";
		cout <<"\n	The program will end because you did n't provide data file names.\n";
		cout <<"	You must provide data file names at the command line!!!!\n\n";
		exit (1);
	}
	else 
	{										//??ask dan for funny charactersin cout 		
	
		int i=0;
		char temp[81];
			//	char temp1[7];
		EntryFile.getline(temp, 80, '\n');

		while (!EntryFile.eof())
		{
			_ListPtr[i].Setcategory(temp[0]);
				//cout << temp[0] << endl;

			EntryFile.getline(temp, 80, '\n');
			_ListPtr[i].Setcodenum(atoi(temp));
				//strncpy(temp1, temp,7);				??ask dan for funny charactersin cout 
				//_ListPtr[i].Setcodenum(temp);
				//_ListPtr[i].Setcodenum(temp[7]='\0');
				
			    //	cout << temp << endl;
			EntryFile.getline(temp, 80, '\n');
			_ListPtr[i].Setcopynum(atoi(temp));
			
				//_ListPtr[i].Setcopynum(temp);
				//cout << atoi(temp) << endl;

			EntryFile.getline(temp, 80, '\n');
			_ListPtr[i].Setartist(temp);
		       //	cout << temp << endl;

			EntryFile.getline(temp, 80, '\n');
			_ListPtr[i].Settitle(temp);
				//	cout << temp << endl;
			
			EntryFile.getline(temp, 80, '\n');

			i++;
		}
		_ListSize = i;
		EntryFile.close();
	}
}
/********************************************************************
*	operator overload>>()
*	enter info form the keyboard
*	returns pointer
********************************************************************/
istream& operator>> (istream& input, Cdinventory& ItemRef)
{
	char buff[81];

	input.ignore();
	cout <<"	Enter Category(P, A, or p, a, etc.) => ";
	input.getline(buff,81,'\n');
	ItemRef.category= buff[0];

				//if (!(ItemRef.category=='\0'))
				//{
		cout <<"	CodeNum => ";
		input.getline(buff, 81,'\n');
				//strcpy(ItemRef.codenum, buff);//	? when strncpy charters were added after numbers
		ItemRef.codenum=atoi(buff);

		cout <<"	Number of copies => ";
		
		input.getline(buff, 81, '\n');
		ItemRef.copynum=atoi(buff);
		
		cout <<"	Artist => ";
		input.getline(buff,80, '\n');
		strncpy(ItemRef.artist, buff, 40);

		cout <<"	Title => ";
		input.getline(buff, 81, '\n');
		strncpy(ItemRef.title, buff, 40);
				//}
			//	else
			//		ItemRef.category = '0';


	return input;
}
/********************************************************************
*	operator overload<<()
*	print all info
*	returns pointer
********************************************************************/
ostream& operator<<(ostream& output, const Cdinventory& ItemRef)
{
	output  << setprecision(2)
			<< setiosflags(ios::left)
			<< setw(4) << ItemRef.category
			<< setw(9) << ItemRef.codenum
			<< setw(4) << ItemRef.copynum
			<< setw(28) << ItemRef.artist
			<< setw(20) << ItemRef.title << endl;
	return output;
}
 

		/*int Cdinventory::Compare_category(char category_)
		{
			
			if (category_== category)
				return 1;
			else 
				return 0;
			
		}*/
/********************************************************************
*	_Printallrecord()
*	print all records info
*	returns nothing
********************************************************************/
void Cdlist::_PrintAllRecord(Cdlist& AllCd)
{
	char junk;
	cout <<"********************\n";
	cout <<"*	CD INVENTORY   *\n";
	cout <<"********************\n";
	cout <<"------------------------------------------------------------------------------\n";

	cout.precision(2);
	cout.setf(ios::left);
	cout << setw(10)  << "Category"
		 << setw(12)  << "CodeNum"
		 << setw(10)  << "NumCopy"
		 << setw(16)  << "Artist"
		 << setw(11)  << "Title"   << endl;
	cout <<"------------------------------------------------------------------------------\n";

	if(_ListSize)
	{
		for (int i=0; i < _ListSize; i++)
		{
			cout <<"#1: " << i+1 << endl;
			cout <<_ListPtr[i];
			if (i==12)
			{
				cout <<"Hit Enter key to see next page =>";
				junk =cin.get();
				cout <<"------------------------------------------------------------------------------\n";

				cout.precision(2);
				cout.setf(ios::left);
				cout << setw(10)  << "Category"
					 << setw(12)  << "CodeNum"
					 << setw(10)  << "NumCopy"
					 << setw(16)  << "Artist"
					 << setw(11)  << "Title"   << endl;
				cout <<"------------------------------------------------------------------------------\n";
			}
			if (i==24)
			{
				cout <<"Hit Enter key to see next page =>";
				junk =cin.get();
				cout <<"------------------------------------------------------------------------------\n";

				cout.precision(2);
				cout.setf(ios::left);
				cout << setw(10)  << "Category"
					 << setw(12)  << "CodeNum"
					 << setw(10)  << "NumCopy"
					 << setw(16)  << "Artist"
					 << setw(11)  << "Title"    << endl;
				cout <<"------------------------------------------------------------------------------\n";
			}

		}
	}
		else 
		{
			cout <<"List is empty\n";
		}
		cout <<"Hit Enter key to see next page =>\n ";
		cout << endl;
		junk = cin.get();
	

}
//These functions are not used in Proj2
/********************************************************************
*	CDlist class menu function
*	menu for entering and displaying menu
*	returns integer
********************************************************************/
int Cdlist::_Menu() const
{
	int i;
	char text_str[_STRG_SZ];
	cout <<"\n\n\n	Here is your menu ==> " << endl;
	cout <<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << endl;
	cout <<"		0 - Quit" << endl;
	cout <<"		1 - Enter New Data" << endl;

	if (_ListSize)
	{
		cout <<"		2 - Display All CD Inventory" << endl;
	}
	int _Valid_choice =0;
	do
	{
		cout <<"\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
		cout <<"\nSelect Choice? ";
		cin.getline(text_str, _STRG_SZ);
		i = text_str[0] - '0';

		if (_ListSize)
		{
			_Valid_choice = (i>=0) && (i<=2);
		}
		else
		{
			_Valid_choice = (i>=0) && (i<=1);
		}
	}while (!_Valid_choice);
	return i;
}
/********************************************************************
*	menu() function
*	menu for entering the file name and displaying menu
*	returns integer
********************************************************************/
int Cdlist::_Menutwo() const
{
	int i;
	char text_str[_STRG_SZ];
	cout <<"\n\n\n	Here is your menu ==> " << endl;
	cout <<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << endl;
	cout <<"		0 - Quit" << endl;
	cout <<"		1 - Read from the File" << endl;

	if (_ListSize)
	{
		cout <<"		2 - Display All CD Inventory" << endl;
	}
	int _Valid_choice =0;
	do
	{
		cout <<"\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
		cout <<"\nSelect Choice? ";
		cin.getline(text_str, _STRG_SZ);
		i = text_str[0] - '0';

		if (_ListSize)
		{
			_Valid_choice = (i>=0) && (i<=2);
		}
		else
		{
			_Valid_choice = (i>=0) && (i<=1);
		}
	}while (!_Valid_choice);
	return i;
}
/********************************************************************
*	_Enter () function
*	call overload operator to enter info from the keyboard
*	returns nothing
********************************************************************/
void Cdlist::_Enter()
{
	int i=0;
	char answer[_STRG_SZ];
	do
	{
		cin >> _ListPtr[_ListSize];

	//if (_ListPtr[_ListSize].Compare_category(NULL))
			//{
				_ListSize++;
			//}
		if(_ListSize <=_MaxSize)
			{	
				cin.ignore();
				cout <<"\nDO you want to enter more CD Info?\n";
				cin.getline(answer, _STRG_SZ);
			}
		else
			{
				cout <<"The list is full.\n";
				answer[0]='n';
			}
	} while (answer[0] != 'n');

}