import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.marcestarlet.booksearcher.rest.model.dao.BookDAO;
import com.marcestarlet.booksearcher.rest.model.dao.MongoDAOFactory;
import com.marcestarlet.booksearcher.rest.model.entity.Book;

/**
 * BookServiceImp implements the operations exposed as
 * services.
 * @author MarceStarlet
 *
 * mongodb-basics
 */
public class BookServiceImp implements BookService {

	private Logger log = LoggerFactory.getLogger( BookServiceImp.class );

	private static final String BOOK_DAO = "book";
	private BookDAO bookDAO = null;

	public BookServiceImp() {
		bookDAO = (BookDAO) MongoDAOFactory.getInstance().getDAO( BOOK_DAO );
	}

	/* (non-Javadoc)
	 * @see com.marcestarlet.booksearcher.rest.service.BookService#createBook(com.marcestarlet.booksearcher.rest.model.entity.Book)
	 */
	@Override
	public void createBook(Book book) {
		log.info("Creating a new Book...");

		bookDAO.create( book );

	}

	/* (non-Javadoc)
	 * @see com.marcestarlet.booksearcher.rest.service.BookService#updateBook(com.marcestarlet.booksearcher.rest.model.entity.Book)
	 */
	@Override
	public void updateBook(Book book) {
		log.info( "Updating book {} ...", book.getIsbn() );

		bookDAO.update( book );

	}

	/* (non-Javadoc)
	 * @see com.marcestarlet.booksearcher.rest.service.BookService#deleteBook(java.lang.String)
	 */
	@Override
	public void deleteBook(String isbn) {
		log.info( "Deleting book {} ...", isbn );

		bookDAO.delete( isbn );

	}

	/* (non-Javadoc)
	 * @see com.marcestarlet.booksearcher.rest.service.BookService#findAllBooks()
	 */
	@Override
	public List<Book> findAllBooks() {
		log.info( "Finding all books ..." );

		List<Book> books = bookDAO.findAll();

		return books;
	}

	/* (non-Javadoc)
	 * @see com.marcestarlet.booksearcher.rest.service.BookService#findBookByISBN(java.lang.String)
	 */
	@Override
	public Book findBookByISBN(String isbn) {
		log.info( "Finding book {} ...", isbn );

		Book book = bookDAO.findById( isbn );

		return book;

	}

	/* (non-Javadoc)
	 * @see com.marcestarlet.booksearcher.rest.service.BookService#findBookByFilter(java.lang.String)
	 */
	@Override
	public List<Book> findBookByFilter(String filter) {
		log.info( "Finding books that match {} ...", filter );

		List<Book> books = bookDAO.findByFilters( filter );

		return books;

	}

}