package config

import (
	"os"
	"strconv"
	"strings"
)

type SmtpSettings struct {
	Email    string
	Password string
	Host     string
	Port     int
}

type Settings struct {
	Environment        string
	CorsAllowedOrigins []string
	PublicURL          string
	UploadDir          string
	JWTSecret          string
	DBFile             string
	Port               string
	Smtp               SmtpSettings
}

func (s Settings) IsProduction() bool {
	return s.Environment == "production"
}

func NewSettingsFromEnv() (Settings, error) {
	smtpPort, err := strconv.Atoi(os.Getenv("SMTP_PORT"))
	if err != nil {
		return Settings{}, err
	}

	return Settings{
		Environment:        os.Getenv("ENVIRONMENT"),
		CorsAllowedOrigins: parseCorsAllowedOrigins(os.Getenv("CORS_ALLOWED_ORIGINS")),
		PublicURL:          os.Getenv("PUBLIC_URL"),
		UploadDir:          os.Getenv("UPLOAD_DIR"),
		JWTSecret:          os.Getenv("JWT_SECRET"),
		DBFile:             os.Getenv("DB_FILE"),
		Port:               os.Getenv("PORT"),
		Smtp: SmtpSettings{
			Email:    os.Getenv("SMTP_EMAIL"),
			Password: os.Getenv("SMTP_PASSWORD"),
			Host:     os.Getenv("SMTP_HOST"),
			Port:     smtpPort,
		},
	}, nil
}

func parseCorsAllowedOrigins(raw string) []string {
	if raw == "" {
		return nil
	}
	return strings.Split(raw, ";")
}