package db

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

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

//go:embed migrations/001_initial.sql
var initialMigration string

func Open(databaseURL string) (*sql.DB, error) {
	if err := os.MkdirAll(filepath.Dir(databaseURL), 0o755); err != nil && filepath.Dir(databaseURL) != "." {
		return nil, fmt.Errorf("mkdir db dir: %w", err)
	}

	db, err := sql.Open("sqlite3", databaseURL+"?_foreign_keys=on&_busy_timeout=5000")
	if err != nil {
		return nil, err
	}

	if _, err := db.Exec(initialMigration); err != nil {
		db.Close()
		return nil, fmt.Errorf("apply migration: %w", err)
	}

	return db, nil
}