package config

import (
	"os"
	"strconv"
)

// Config holds all configuration for the sync server.
type Config struct {
	Port           int
	DatabaseURL    string
	JWKSUrl        string // mana-auth JWKS endpoint for JWT validation
	CORSOrigins    string
	ManaCreditsURL string // mana-credits service URL for billing checks
	ServiceKey     string // Service-to-service auth key
}

// Load reads configuration from environment variables with sensible defaults.
func Load() *Config {
	port, _ := strconv.Atoi(getEnv("PORT", "3050"))

	return &Config{
		Port:           port,
		DatabaseURL:    getEnv("DATABASE_URL", "postgresql://mana:devpassword@localhost:5432/mana_sync"),
		JWKSUrl:        getEnv("JWKS_URL", "http://localhost:3001/api/auth/jwks"),
		CORSOrigins:    getEnv("CORS_ORIGINS", "http://localhost:5173,http://localhost:5188"),
		ManaCreditsURL: getEnv("MANA_CREDITS_URL", "http://localhost:3061"),
		ServiceKey:     getEnv("MANA_SERVICE_KEY", "dev-service-key"),
	}
}

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