#include "BookList.h"

/* Private */

void BookList::resize() {
	this->bookLength = (this->bookLength == 0) ? 8 : this->bookLength << 1;

	Book* newBooks = new Book[this->bookLength];
	for (unsigned i = 0; i < this->bookCount; i++)
		newBooks[i] = this->books[i];
	delete[] this->books;
	this->books = newBooks;
}

void BookList::readFromFile(std::ifstream& inFile) {
	char nameBuffer[100], authorBuffer[100];
	unsigned countBuffer;
	while(!inFile.eof()) {
		inFile.read(nameBuffer, sizeof(nameBuffer));
		inFile.read(authorBuffer, sizeof(authorBuffer));
		inFile.read((char*)&countBuffer, sizeof(countBuffer));
		this->addBook(Book(nameBuffer, authorBuffer, countBuffer));
	}
}

void BookList::writeToFile(std::ofstream& outFile) const {
	unsigned countBuffer;
	for (int i = 0; i < this->bookCount; i++) {
		outFile.write(this->books[i].get_name(), sizeof(this->books[i].get_name()));
		outFile.write(this->books[i].get_author(), sizeof(this->books[i].get_author()));
		countBuffer = this->books[i].get_count();
		outFile.write((const char*)&countBuffer, sizeof(countBuffer));
	}
}

void BookList::writePopularToFile(std::ofstream& outFile) const {
	for (int i = 0; i < this->bookCount; i++) {
		if (this->books[i].get_count() >= 1000) {
			outFile << this->books[i].get_name() << " " << this->books[i].get_author() << " " << this->books[i].get_count() << std::endl;
		}
	}
}

BookList::BookList()
{}

// Не ми стигна времето, но другите функции са аналогични на тeзи двете

bool BookList::readFromFile(const char* filePath) {
	std::ifstream file(filePath, std::ios::binary);
	if (!file.is_open())
		return false;
	this->readFromFile(file);
	file.close();
	return true;
}

bool BookList::writePopularToFile(const char* filePath) const {
	std::ofstream file(filePath);
	if (!file.is_open())
		return false;
	this->writePopularToFile(file);
	file.close();
	return true;
}