package infra

import (
	"database/sql"
	"fmt"

	_ "github.com/mattn/go-sqlite3"
)

// SQLiteOpen opens (or creates) a SQLite database file with WAL mode and
// foreign key support enabled. Returns a ready-to-use *sql.DB or an error.
// Pass ":memory:" for an in-memory database.
func SQLiteOpen(path string) (*sql.DB, error) {
	if path == "" {
		return nil, fmt.Errorf("sqlite_open: path must not be empty (use ':memory:' for in-memory)")
	}
	dsn := fmt.Sprintf("file:%s?_journal_mode=WAL&_foreign_keys=on", path)
	db, err := sql.Open("sqlite3", dsn)
	if err != nil {
		return nil, fmt.Errorf("sqlite_open: open %q: %w", path, err)
	}
	if err := db.Ping(); err != nil {
		db.Close()
		return nil, fmt.Errorf("sqlite_open: ping %q: %w", path, err)
	}
	return db, nil
}