package repository

import (
	"database/sql"
	"fmt"
	"os"
	"path/filepath"

	_ "modernc.org/sqlite" // Import the SQLite driver
)

func getSqliteFilename(dir, name string) (string, error) {
	if len(name) == 0 {
		return "", ErrNoDBName
	}

	return filepath.Join(dir, name+".sqlite"), nil
}

func getSqliteConnection(dir, name string) (*sql.DB, error) {
	// make sure the data directory exists
	dbPath, err := getSqliteFilename(dir, name)
	if err != nil {
		return nil, err
	}

	err = os.MkdirAll(filepath.Dir(dbPath), 0755)
	if err != nil {
		return nil, fmt.Errorf("failed to ensure data directory for sqlite database: %w", err)
	}

	// Initialize and return the connection to the sqlite database
	// Using the modernc.org/sqlite driver with the "sqlite" driver name
	db, err := sql.Open("sqlite", dbPath)
	if err != nil {
		return nil, fmt.Errorf("failed to open sqlite database: %w", err)
	}

	// Test the connection
	if err := db.Ping(); err != nil {
		db.Close() // Close the connection if ping fails
		return nil, fmt.Errorf("failed to ping sqlite database: %w", err)
	}

	return db, nil
}