package smtp

// Config holds SMTP connection settings. All fields are optional; an empty Host
// activates no-op mode. Use [DefaultConfig] to start from production-safe defaults.
type Config struct {
	// Host is the SMTP server hostname. Empty string enables no-op mode.
	Host     string `env:"EINHERJAR_SMTP_HOST"`
	Port     int    `env:"EINHERJAR_SMTP_PORT"     envDefault:"587"`
	User     string `env:"EINHERJAR_SMTP_USER"`
	Password string `env:"EINHERJAR_SMTP_PASSWORD"`
	// From is the envelope sender address used for all outgoing messages.
	From string `env:"EINHERJAR_SMTP_FROM"`
}

// DefaultConfig returns a Config with production-safe defaults.
// Callers must supply Host and From for real SMTP delivery.
func DefaultConfig() Config {
	return Config{
		Port: 587,
	}
}