package config

import (
	"fmt"
	"os"
	"strconv"
)

type Config struct {
	AppPort     int
	AppDomain   string
	DatabaseURL string
	SecretKey   string
	Installed   bool
}

func Load() (*Config, error) {
	port, _ := strconv.Atoi(getEnv("APP_PORT", "8080"))
	cfg := &Config{
		AppPort:     port,
		AppDomain:   getEnv("APP_DOMAIN", "localhost"),
		DatabaseURL: os.Getenv("DATABASE_URL"),
		SecretKey:   getEnv("SECRET_KEY", ""),
		Installed:   getEnv("INSTALLED", "false") == "true",
	}
	if cfg.DatabaseURL == "" {
		return nil, fmt.Errorf("DATABASE_URL не задан")
	}
	if cfg.SecretKey == "" {
		return nil, fmt.Errorf("SECRET_KEY не задан")
	}
	return cfg, nil
}

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