server

type BulkheadConfig struct {
	Enabled       bool          `mapstructure:"enabled"`
	MaxConcurrent int           `mapstructure:"max-concurrent"`
	Timeout       time.Duration `mapstructure:"timeout"`
}

type CircuitBreakerConfig struct {
	Enabled          bool          `mapstructure:"enabled"`
	FailureThreshold uint32        `mapstructure:"failure-threshold"`
	Timeout          time.Duration `mapstructure:"timeout"`
	Interval         time.Duration `mapstructure:"interval"`
	MaxRequests      uint32        `mapstructure:"max-requests"`
}

type Config struct {
	Port int `mapstructure:"port"`

	// Server connection settings
	Connection ConnectionConfig `mapstructure:"connection"`

	// Request Timeout (middleware-based, returns proper HTTP response)
	Timeout TimeoutConfig `mapstructure:"timeout"`

	// Rate Limiting
	RateLimit RateLimitConfig `mapstructure:"rate-limit"`

	// HTTP Bulkhead
	Bulkhead BulkheadConfig `mapstructure:"bulkhead"`

	// Circuit Breaker
	CircuitBreaker CircuitBreakerConfig `mapstructure:"circuit-breaker"`
}

type ConnectionConfig struct {
	ReadHeaderTimeout time.Duration `mapstructure:"read-header-timeout"` // Time to read request headers (Slowloris protection)
	ReadTimeout       time.Duration `mapstructure:"read-timeout"`        // Time to read entire request (headers + body)
	WriteTimeout      time.Duration `mapstructure:"-"`                   // Auto-calculated, not configurable
	IdleTimeout       time.Duration `mapstructure:"idle-timeout"`        // Keep-alive timeout between requests
	MaxHeaderBytes    int           `mapstructure:"max-header-bytes"`    // Max size of request headers
}

type RateLimitConfig struct {
	Enabled           bool `mapstructure:"enabled"`
	RequestsPerSecond int  `mapstructure:"requests-per-second"`
	Burst             int  `mapstructure:"burst"`
}

type Server interface {
	Serve() error
	ServeWithReadyCallback(onReady func()) error
	Shutdown(ctx context.Context) error
}

type TimeoutConfig struct {
	RequestTimeout time.Duration `mapstructure:"request-timeout"` // Max time to handle a request (0 = disabled)
}