package config

import (
	"os"
)

// Config holds application configuration loaded from the environment.
type Config struct {
	DatabaseURL string
	Port        string
}

// Load reads configuration from environment variables.
// DATABASE_URL is required; PORT defaults to "3000".
func Load() *Config {
	dbURL := os.Getenv("DATABASE_URL")
	if dbURL == "" {
		dbURL = "postgres://osdb:osdb@localhost:5432/osdb?sslmode=disable"
	}

	port := os.Getenv("PORT")
	if port == "" {
		port = "3000"
	}

	return &Config{
		DatabaseURL: dbURL,
		Port:        port,
	}
}