package config

import (
	"log"
	"os"
	"strings"
)

type Config struct {
	ServerPort           string
	JWTSecret            string
	DBUser               string
	DBPassword           string
	DBHost               string
	DBPort               string
	DBName               string
	DefaultAdminEmail    string
	DefaultAdminPassword string
}

func Load() Config {
	cfg := Config{
		ServerPort:           getEnv("SERVER_PORT", "8080"),
		JWTSecret:            getEnv("JWT_SECRET", "change-me-in-production"),
		DBUser:               getEnv("DB_USER", "root"),
		DBPassword:           getEnv("DB_PASSWORD", ""),
		DBHost:               getEnv("DB_HOST", "127.0.0.1"),
		DBPort:               getEnv("DB_PORT", "3306"),
		DBName:               getEnv("DB_NAME", "social_raiting"),
		DefaultAdminEmail:    getEnv("DEFAULT_ADMIN_EMAIL", "admin@example.com"),
		DefaultAdminPassword: getEnv("DEFAULT_ADMIN_PASSWORD", "change-admin-password"),
	}

	if cfg.JWTSecret == "change-me-in-production" {
		log.Println("warning: JWT_SECRET is using the default development value")
	}

	if cfg.DefaultAdminPassword == "change-admin-password" {
		log.Println("warning: DEFAULT_ADMIN_PASSWORD is using the default development value")
	}

	return cfg
}

func getEnv(key, fallback string) string {
	value := strings.TrimSpace(os.Getenv(key))
	if value == "" {
		return fallback
	}

	return value
}