package gorm

import "database/sql"

type DB struct {
	Db *sql.DB
}

func Open(driver, source string) (db *DB, err error) {
	db.Db, err = sql.Open(driver, source)
	// SetMaxIdleConns pools
	return
}

func (s *DB) buildORM() (orm *Orm) {
	orm.Db = s.Db
	return
}

func (s *DB) Where(querystring interface{}, args ...interface{}) (orm *Orm) {
	orm = s.buildORM()
	orm.Where(querystring, args)
	return
}

func (s *DB) First(out interface{}) (orm *Orm) {
	orm = s.buildORM()
	orm.First(out)
	return
}

func (s *DB) Find(out interface{}) (orm *Orm) {
	orm = s.buildORM()
	orm.Find(out)
	return
}

func (s *DB) Limit(value interface{}) (orm *Orm) {
	orm = s.buildORM()
	orm.Limit(value)
	return
}

func (s *DB) Offset(value interface{}) (orm *Orm) {
	orm = s.buildORM()
	orm.Offset(value)
	return
}

func (s *DB) Order(value interface{}) (orm *Orm) {
	orm = s.buildORM()
	orm.Order(value)
	return
}

func (s *DB) Select(querystring string) (orm *Orm) {
	orm = s.buildORM()
	orm.Select(querystring)
	return
}

func (s *DB) Save(value interface{}) (orm *Orm) {
	orm = s.buildORM()
	orm.Save(value)
	return
}

func (s *DB) Delete(value interface{}) (orm *Orm) {
	orm = s.buildORM()
	orm.Delete(value)
	return
}

func (s *DB) Exec(sql string) (orm *Orm) {
	orm = s.buildORM()
	orm.Exec(sql)
	return
}