package config

import (
	"errors"
	"os"
)

type Config struct {
	DatabaseURL          string
	RedisURL             string
	JWTSecret            string
	Port                 string
	AppEnv               string
	InitialAdminEmail    string
	InitialAdminPassword string
}

func Load() (*Config, error) {
	dbURL := os.Getenv("DATABASE_URL")
	if dbURL == "" {
		return nil, errors.New("DATABASE_URL is required")
	}

	jwtSecret := os.Getenv("JWT_SECRET")
	if jwtSecret == "" {
		return nil, errors.New("JWT_SECRET is required")
	}

	redisURL := os.Getenv("REDIS_URL")
	if redisURL == "" {
		redisURL = "redis://localhost:6379"
	}

	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}

	appEnv := os.Getenv("APP_ENV")
	if appEnv == "" {
		appEnv = "development"
	}

	return &Config{
		DatabaseURL:          dbURL,
		RedisURL:             redisURL,
		JWTSecret:            jwtSecret,
		Port:                 port,
		AppEnv:               appEnv,
		InitialAdminEmail:    os.Getenv("INITIAL_ADMIN_EMAIL"),
		InitialAdminPassword: os.Getenv("INITIAL_ADMIN_PASSWORD"),
	}, nil
}