package config

import (
	"os"
	"time"
)

type Config struct {
	DatabaseURL        string
	Port               string
	Env                string
	OpenFIGIKey        string
	CoinGeckoKey       string
	PriceFetchInterval time.Duration
	PriceCleanInterval time.Duration
}

func Load() *Config {
	fetchInterval, err := time.ParseDuration(getenv("PRICE_FETCH_INTERVAL", "1h"))
	if err != nil {
		fetchInterval = time.Hour
	}

	return &Config{
		DatabaseURL:        getenv("DATABASE_URL", "postgres://account:account@localhost:5432/account?sslmode=disable"),
		Port:               getenv("PORT", "8080"),
		Env:                getenv("ENV", "development"),
		OpenFIGIKey:        os.Getenv("OPENFIGI_API_KEY"),
		CoinGeckoKey:       os.Getenv("COINGECKO_API_KEY"),
		PriceFetchInterval: fetchInterval,
		PriceCleanInterval: 24 * time.Hour,
	}
}

func getenv(key, fallback string) string {
	if v := os.Getenv(key); v != "" {
		return v
	}
	return fallback
}