package database

import (
	"context"
	"database/sql"
)

// DBTX matches the interface expected by SQLC-generated code
// This interface is implemented by both *sql.DB and *sql.Tx
type DBTX interface {
	ExecContext(context.Context, string, ...interface{}) (sql.Result, error)
	PrepareContext(context.Context, string) (*sql.Stmt, error)
	QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
}

// BaseQuerier provides basic query functionality
// This interface should be implemented by package-specific Queries types
type BaseQuerier interface {
	WithTx(tx *sql.Tx) BaseQuerier
}

// BaseQuerierTx provides transaction functionality
// This interface should be implemented by package-specific Queries types
type BaseQuerierTx interface {
	BaseQuerier
	Begin(ctx context.Context) (BaseQuerierTx, error)
	Commit(ctx context.Context) error
	Rollback(ctx context.Context) error
}

// TransactionFunc represents a function that operates within a database transaction
// This is used by the shared transaction helpers in transaction.go
type TransactionFunc[Q any] func(ctx context.Context, q Q) error