package bouquins

// SUB QUERIES //

func (app *Bouquins) querySeries(id int64) (*SeriesFull, error) {
	stmt, err := app.ps(SERIES)
	if err != nil {
		return nil, err
	}
	series := new(SeriesFull)
	err = stmt.QueryRow(id).Scan(&series.Id, &series.Name)
	return series, nil
}
func (app *Bouquins) querySeriesAuthors(series *SeriesFull) error {
	stmt, err := app.ps(SERIES_AUTHORS)
	if err != nil {
		return err
	}
	rows, err := stmt.Query(series.Id)
	if err != nil {
		return err
	}
	defer rows.Close()
	for rows.Next() {
		author := new(Author)
		if err = rows.Scan(&author.Id, &author.Name); err != nil {
			return err
		}
		series.Authors = append(series.Authors, author)
	}
	if err := rows.Err(); err != nil {
		return err
	}
	return nil
}
func (app *Bouquins) querySeriesBooks(series *SeriesFull) error {
	stmt, err := app.ps(SERIES_BOOKS)
	if err != nil {
		return err
	}
	rows, err := stmt.Query(series.Id)
	if err != nil {
		return err
	}
	defer rows.Close()
	for rows.Next() {
		book := new(Book)
		if err = rows.Scan(&book.Id, &book.Title, &book.SeriesIndex); err != nil {
			return err
		}
		series.Books = append(series.Books, book)
	}
	if err := rows.Err(); err != nil {
		return err
	}
	return nil
}

// DB LOADS //

func (app *Bouquins) SeriesFull(id int64) (*SeriesFull, error) {
	series, err := app.querySeries(id)
	if err != nil {
		return nil, err
	}
	err = app.querySeriesBooks(series)
	if err != nil {
		return nil, err
	}
	err = app.querySeriesAuthors(series)
	if err != nil {
		return nil, err
	}
	return series, nil
}