package database

import (
	"context"
	"fmt"

	"github.com/jackc/pgx/v5/pgxpool"
)

func Open(ctx context.Context, databaseURL, applicationName string) (*pgxpool.Pool, error) {
	poolConfig, err := pgxpool.ParseConfig(databaseURL)
	if err != nil {
		return nil, fmt.Errorf("parse database configuration: %w", err)
	}
	poolConfig.ConnConfig.RuntimeParams["application_name"] = applicationName
	pool, err := pgxpool.NewWithConfig(ctx, poolConfig)
	if err != nil {
		return nil, fmt.Errorf("create database pool: %w", err)
	}
	return pool, nil
}