// Main4b.cpp
// This contains the program for adding and removing words
// to the hangman datfile.
// Copyright (c) 1998 Forest J. Handford
//////////////////////////////////////////////////////////

#include "loadfile.h"	// For LoadFile() and headers.
#include <stdlib.h>		// For toupper()
#include <string.h>		// For strcpy() and strcmp()

void WriteWords();		// Prototype

// The main function to our editer
void main()
{
	LoadFile();	// Load the file

	ofstream DatFile;	//The out file
	char Answer;	//A Y or N value
	char Word[MAX_WORD_SIZE];	//This will hold a word
	int Size;					//This will hold the strings size
	int Loop;					// This will hold a subscript

	WriteWords();

	cout<<endl<<endl<<"Would you like to add any words (Yes or No)? ";
	cin>>Answer;

	// Loop to take new words
	while (toupper(Answer) == 'Y')
	{
		cout<<"What word would you like to enter, Please keep it below "
			<<endl<<MAX_WORD_SIZE<<" Charachters: ";
		cin>>Word;

		Size = strlen(Word);

		// Make the word lower case
		for(int Loop = 0; Size + 1 > Loop; Loop++)
		{
			Word[Loop] = tolower(Word[Loop]);
		}

		strcpy(Words[Count++],Word);

		cout<<endl<<"Would you like to add another word (Yes or No)? ";
		cin>>Answer;
	}

	cout<<endl<<"Would you like to remove a word (Yes or No)? ";
	cin>>Answer;

	// Loop to remove words
	while (toupper(Answer) == 'Y')
	{
		cout<<"What word do you want to remove? ";
		cin>>Word;
		
		Size = strlen(Word);

		// Make the word lower case
		for(int Loop = 0; Loop < Size +1; Loop++)
		{
			Word[Loop] = tolower(Word[Loop]);
		}

		// Look for the word and if found remove it
		for (Loop = 0; Loop < Count; Loop++)
		{
			// if strings are = remove it
			if (strcmp(Words[Loop],Word) == 0)
			{
				// adjust where the words are and reduce count's size
				strcpy(Words[Loop],Words[--Count]);
				strcpy(Words[Count],"");	// replace with nothing
				break;
			}
		}

		cout<<endl<<"Would you like to remove another word (Yes or No)? ";
		cin>>Answer;
	}

	DatFile.open("words.dat");	//Open the file
	
	//Save the words
	for(Loop=0; Loop < Count - 1; Loop++)
	{
		DatFile<<Words[Loop];
		DatFile<<"\t";
		if (++Loop > Count) break;
		DatFile<<Words[Loop];
		DatFile<<"\t";
		if (++Loop > Count) break;
		DatFile<<Words[Loop];
		DatFile<<"\t";
		if (++Loop > Count) break;
		DatFile<<Words[Loop];
		DatFile<<"\t";
		if (++Loop > Count) break;
		DatFile<<Words[Loop];
		DatFile<<"\n";
	}

	DatFile.close();	//Close the file

	WriteWords();		//Write the words

	cout<<endl<<endl<<"Good Bye"<<endl;

}

// This will display all the words
void WriteWords()
{
	
	cout<<"The following are words in the file: "<<endl<<endl;

	for(int Loop=0; Loop < Count - 1; Loop++)
	{
		cout<<Words[Loop]<<"\t";
		if (++Loop > Count) break;
		cout<<Words[Loop]<<"\t";
		if (++Loop > Count) break;
		cout<<Words[Loop]<<"\t";
		if (++Loop > Count) break;
		cout<<Words[Loop]<<"\t";
		if (++Loop > Count) break;
		cout<<Words[Loop]<<"\n";
	}
}