#include<iostream>
#include<sstream>
#include<string>
#include<fstream>

using std::string;
using std::cout;
using std::cin;
using std::endl;

struct Verse
{
	int chapterNumber;
	int verseNumber;
	string text;
};

struct Book
{
	string title;
	Verse* verses; //verses is a pointer to an array to be created later
	int verseCount;

	Book() //constructor - initialization function
	{
		title = "";
		verseCount = 0;
		verses = NULL;
	}

	void display();
};

void Book::display()
{
	//cout << title << endl;
	int chapterNumber = 0;
	for(int i = 0; i < verseCount; i++)
	{
		if(chapterNumber != verses[i].chapterNumber)
		{
			cout << endl << title << " Chapter " << verses[i].chapterNumber << endl;
			chapterNumber++;
		}
		cout << verses[i].verseNumber << " ";
		cout << verses[i].text << " ";
	}
}

struct Bible
{
	Book books[66];

	Bible();
	void readFromFile();
	void display();
};

void Bible::display()
{
	for(int i = 0; i < 66; i++)
	{
		books[i].display();
	}
}

Bible::Bible()
{
	readFromFile();
}

void Bible::readFromFile()
{
	std::ifstream fin("bible.txt");
	int bookIndex = -1;
	//get book names and verse counts
	while(!fin.eof())
	{
		string line;
		getline(fin,line);
		if(line.length() > 0 && line[0] == 'B')
		{
			//new book
			bookIndex++;
			books[bookIndex].title = line.substr(8);
		}
		if(line.length() > 0 && isdigit(line[0]))
		{
			//new verse
			books[bookIndex].verseCount++;
		}
	}
	fin.close();
	
	//dynamically allocate enough memory for each books verses
	for(int i = 0; i < 66; i++)
	{
		books[i].verses = new Verse[books[i].verseCount]; 
	}
	
	fin.open("bible.txt");
	bookIndex = -1;
	int verseIndex = 0;
	//second reading of the bible, read the text
	while(!fin.eof())
	{
		string line;
		getline(fin,line);
		if(line.length() > 0 && line[0] == 'B')
		{
			//new book
			bookIndex++;
			verseIndex = 0;
		}
		if(line.length() > 0 && isdigit(line[0]))
		{
			//new verse
			string verse = line.substr(8);
			std::istringstream iss(line);
			while(line.length() > 0 && !fin.eof())
			{
				getline(fin,line);
				if(line.length() > 0)
				{
					verse = verse + " " + line.substr(8);
				}
			}

			char c;
			iss >> books[bookIndex].verses[verseIndex].chapterNumber;
			iss>> c;
			iss >> books[bookIndex].verses[verseIndex].verseNumber;
			books[bookIndex].verses[verseIndex].text = verse;
			verseIndex ++;
		}
	}

	fin.close();
}

void main()
{
	Bible bible;
	bible.display();
	//bible.displayVersesWith("firmament");
	int x = 9;
}