common

type AttestationConfig struct {
	// UseTDX enables real TDX attestation.
	UseTDX bool `yaml:"use_tdx"`

	// TDXRemoteURL is the remote TDX attestation service URL.
	TDXRemoteURL string `yaml:"tdx_remote_url"`

	// MeasurementsURL is the URL for allowed measurements.
	MeasurementsURL string `yaml:"measurements_url"`
}

type Config struct {
	// ServiceType specifies which service to run: client, server, or aggregator.
	ServiceType string `yaml:"service_type"`

	// HTTPAddr is the address to listen on.
	HTTPAddr string `yaml:"http_addr"`

	// RegistryURL is the central registry for service discovery.
	RegistryURL string `yaml:"registry_url"`

	// AdminToken for authenticating with registry admin endpoints (user:pass).
	AdminToken string `yaml:"admin_token"`

	// Keys configuration.
	Keys KeysConfig `yaml:"keys"`

	// Attestation configuration.
	Attestation AttestationConfig `yaml:"attestation"`

	// Server-specific configuration.
	Server ServerConfig `yaml:"server"`

	// Protocol configuration (registry only).
	Protocol ProtocolConfig `yaml:"protocol"`
}

type KeysConfig struct {
	// SigningKey is hex-encoded Ed25519 private key. Generated if empty.
	SigningKey string `yaml:"signing_key"`

	// ExchangeKey is hex-encoded ECDH P-256 private key. Generated if empty.
	ExchangeKey string `yaml:"exchange_key"`
}

type ProtocolConfig struct {
	// RoundDuration is the time duration of each protocol round.
	RoundDuration time.Duration `yaml:"round_duration"`

	// MessageLength is the byte length of the message vector.
	MessageLength int `yaml:"message_length"`

	// AuctionSlots is the number of slots in the IBLT for auction data.
	AuctionSlots uint32 `yaml:"auction_slots"`

	// MinClients is the minimum number of clients for anonymity.
	MinClients uint32 `yaml:"min_clients"`

	// RoundsPerWindow defines rounds per participation window.
	RoundsPerWindow uint32 `yaml:"rounds_per_window"`
}

type ServerConfig struct {
	// IsLeader designates this server as the round leader.
	IsLeader bool `yaml:"is_leader"`
}