package hwsauth

import (
	"context"
	"database/sql"
)

// DBTransaction represents a database transaction that can be committed or rolled back.
// This interface can be implemented by standard library sql.Tx, or by ORM transactions
// from libraries like bun, gorm, sqlx, etc.
type DBTransaction interface {
	Commit() error
	Rollback() error
}

// DBConnection represents a database connection that can begin transactions.
// This interface can be implemented by standard library sql.DB, or by ORM connections
// from libraries like bun, gorm, sqlx, etc.
type DBConnection interface {
	BeginTx(ctx context.Context, opts *sql.TxOptions) (DBTransaction, error)
}

// Ensure *sql.Tx implements DBTransaction
var _ DBTransaction = (*sql.Tx)(nil)

// Ensure *sql.DB implements DBConnection
var _ DBConnection = (*sql.DB)(nil)