package sqaffold

import (
	"errors"

	"code.aneur.in/go/version"
)

func (s *Scaffold) GetVersion(appName string) (*version.Version, error) {
	row, err := s.QueryOne("select version from sqaffold_apps where name = ?", appName)
	switch {
	case err == nil:
	case err.Error() == "SQL logic error: no such table: sqaffold_apps (1)":
		fallthrough
	case errors.Is(err, ErrNoRows):
		return version.Parse("0")
	default:
		return nil, Err(err)
	}

	return version.Parse(row.String("version"))
}

func (s *Scaffold) setVersion(appName string, version *version.Version) error {
	_, err := s.Exec("insert into sqaffold_apps (name, version) values (?, ?)", appName, version.Text)
	return err
}