package migrate

import (
	"context"
	"database/sql"
	"time"

	_ "github.com/jackc/pgx/v5/stdlib"
)

func openDB(ctx context.Context, dsn string) (*sql.DB, error) {
	db, err := sql.Open("pgx", dsn)
	if err != nil {
		return nil, err
	}

	db.SetConnMaxLifetime(0)
	db.SetConnMaxIdleTime(5 * time.Minute)
	db.SetMaxIdleConns(5)
	db.SetMaxOpenConns(10)

	if err := db.PingContext(ctx); err != nil {
		db.Close()
		return nil, err
	}

	return db, nil
}