package database

import (
	"database/sql"

	"github.com/uptrace/opentelemetry-go-extra/otelsql"
	"go.opentelemetry.io/otel/attribute"
)

// OpenPostgres establishes a connection to a Postgres database and enables OpenTelemetry tracing and stats reporting.
func OpenPostgres(dbURL string) (*sql.DB, error) {
	db, err := otelsql.Open("postgres", dbURL)
	if err != nil {
		return nil, err
	}

	otelsql.ReportDBStatsMetrics(db, otelsql.WithAttributes(
		attribute.String("db.system", "postgresql"),
	))

	return db, nil
}