storage

type Device struct {
	DevEUI           lorawan.EUI64 `db:"dev_eui"`
	CreatedAt        time.Time     `db:"created_at"`
	UpdatedAt        time.Time     `db:"updated_at"`
	DeviceProfileID  string        `db:"device_profile_id"`
	ServiceProfileID string        `db:"service_profile_id"`
	RoutingProfileID string        `db:"routing_profile_id"`
}

type DeviceActivation struct {
	ID        int64             `db:"id"`
	CreatedAt time.Time         `db:"created_at"`
	DevEUI    lorawan.EUI64     `db:"dev_eui"`
	JoinEUI   lorawan.EUI64     `db:"join_eui"`
	DevAddr   lorawan.DevAddr   `db:"dev_addr"`
	NwkSKey   lorawan.AES128Key `db:"nwk_s_key"`
	DevNonce  lorawan.DevNonce  `db:"dev_nonce"`
}

type DeviceProfile struct {
	CreatedAt time.Time `db:"created_at"`
	UpdatedAt time.Time `db:"updated_at"`
	backend.DeviceProfile
}

type DeviceQueueItem struct {
	ID           int64         `db:"id"`
	CreatedAt    time.Time     `db:"created_at"`
	UpdatedAt    time.Time     `db:"updated_at"`
	DevEUI       lorawan.EUI64 `db:"dev_eui"`
	FRMPayload   []byte        `db:"frm_payload"`
	FCnt         uint32        `db:"f_cnt"`
	FPort        uint8         `db:"f_port"`
	Confirmed    bool          `db:"confirmed"`
	IsPending    bool          `db:"is_pending"`
	EmitAt       *time.Time    `db:"emit_at"`
	TimeoutAfter *time.Time    `db:"timeout_after"`
}

type DeviceSession struct {
	// profile ids
	DeviceProfileID  string
	ServiceProfileID string
	RoutingProfileID string

	// session data
	DevAddr  lorawan.DevAddr
	DevEUI   lorawan.EUI64
	JoinEUI  lorawan.EUI64 // TODO: remove?
	NwkSKey  lorawan.AES128Key
	FCntUp   uint32
	FCntDown uint32

	// Only used by ABP activation
	SkipFCntValidation bool

	RXWindow     RXWindow
	RXDelay      uint8
	RX1DROffset  uint8
	RX2DR        uint8
	RX2Frequency int

	// TXPowerIndex which the node is using. The possible values are defined
	// by the lorawan/band package and are region specific. By default it is
	// assumed that the node is using TXPower 0. This value is controlled by
	// the ADR engine.
	TXPowerIndex int

	// DR defines the (last known) data-rate at which the node is operating.
	// This value is controlled by the ADR engine.
	DR int

	// MaxSupportedTXPowerIndex defines the maximum supported tx-power index
	// by the node, or 0 when not set.
	MaxSupportedTXPowerIndex int

	// MaxSupportedDR defines the maximum supported DR index by the node,
	// or 0 when not set.
	MaxSupportedDR int

	// NbTrans defines the number of transmissions for each unconfirmed uplink
	// frame. In case of 0, the default value is used.
	// This value is controlled by the ADR engine.
	NbTrans uint8

	EnabledChannels    []int           // channels that are activated on the node
	ChannelFrequencies []int           // frequency of each channel
	UplinkHistory      []UplinkHistory // contains the last 20 transmissions
	LastRXInfoSet      []gw.RXInfo     // sorted set (best at index 0)

	// LastDevStatusRequest contains the timestamp when the last device-status
	// request was made.
	LastDevStatusRequested time.Time

	// LastDevStatusBattery contains the last received battery status.
	LastDevStatusBattery uint8

	// LastDevStatusMargin contains the last received margin status.
	LastDevStatusMargin int8

	// LastDownlinkTX contains the timestamp of the last downlink.
	LastDownlinkTX time.Time
}

type NodeSession struct {
	DevAddr   lorawan.DevAddr
	AppEUI    lorawan.EUI64
	DevEUI    lorawan.EUI64
	NwkSKey   lorawan.AES128Key
	FCntUp    uint32
	FCntDown  uint32
	RelaxFCnt bool

	RXWindow    RXWindow
	RXDelay     uint8
	RX1DROffset uint8
	RX2DR       uint8

	// ADRInterval controls the interval on which to send ADR mac-commands
	// (in case the data-rate / tx power of the node can be changed).
	// Setting this to 0 will disable ADR, 1 means to respond to every uplink
	// with ADR commands.
	ADRInterval uint32

	// Installation margin in dB, used for calculated the recommended DR (ADR).
	// A higher margin will lower the data-rate and therefore decrease
	// packet-loss.
	// A lower margin will increase the data-rate and therefore increase
	// possible packet-loss.
	InstallationMargin float64

	// TXPowerIndex which the node is using. The possible values are defined
	// by the lorawan/band package and are region specific. By default it is
	// assumed that the node is using TXPower 0. This value is controlled by
	// the ADR engine.
	TXPowerIndex int

	// DR defines the (last known) data-rate at which the node is operating.
	// This value is controlled by the ADR engine.
	DR int

	// MaxSupportedTXPowerIndex defines the maximum supported tx-power index
	// by the node, or 0 when not set.
	MaxSupportedTXPowerIndex int

	// MaxSupportedDR defines the maximum supported DR index by the node,
	// or 0 when not set.
	MaxSupportedDR int

	// NbTrans defines the number of transmissions for each unconfirmed uplink
	// frame. In case of 0, the default value is used.
	// This value is controlled by the ADR engine.
	NbTrans uint8

	EnabledChannels []int           // channels that are activated on the node
	UplinkHistory   []UplinkHistory // contains the last 20 transmissions
	LastRXInfoSet   []gw.RXInfo     // sorted set (best at index 0)
}

type RXWindow int8

type RoutingProfile struct {
	CreatedAt time.Time `db:"created_at"`
	UpdatedAt time.Time `db:"updated_at"`
	backend.RoutingProfile
	CACert  string `db:"ca_cert"`
	TLSCert string `db:"tls_cert"`
	TLSKey  string `db:"tls_key"`
}

type ServiceProfile struct {
	CreatedAt time.Time `db:"created_at"`
	UpdatedAt time.Time `db:"updated_at"`
	backend.ServiceProfile
}

type UplinkHistory struct {
	FCnt         uint32
	MaxSNR       float64
	GatewayCount int
}