syntax = "proto3";

package integration;

option go_package = "github.com/brocaar/chirpstack/api/go/v4/integration";
option java_package = "io.chirpstack.api.integration";
option java_multiple_files = true;
option java_outer_classname = "IntegrationProto";
option csharp_namespace = "Chirpstack.Integration";

import "chirpstack-api/common/common.proto";
import "chirpstack-api/gw/gw.proto";
import "google/protobuf/timestamp.proto";
import "google/protobuf/struct.proto";

enum LogLevel {
  // Info.
  INFO = 0;

  // Warning.
  WARNING = 1;

  // Error.
  ERROR = 2;
}

enum LogCode {
  // Unknown type.
  UNKNOWN = 0;

  // Error related to the downlink payload size.
  // Usually seen when the payload exceeded the maximum allowed payload size.
  DOWNLINK_PAYLOAD_SIZE = 1;

  // Uplink codec error.
  UPLINK_CODEC = 2;

  // Downlink codec error.
  DOWNLINK_CODEC = 3;

  // OTAA error.
  OTAA = 4;

  // Uplink frame-counter was reset.
  UPLINK_F_CNT_RESET = 5;

  // Uplink MIC error.
  UPLINK_MIC = 6;

  // Uplink frame-counter retransmission.
  UPLINK_F_CNT_RETRANSMISSION = 7;

  // Downlink gateway error.
  DOWNLINK_GATEWAY = 8;

  // Relay new end-device.
  RELAY_NEW_END_DEVICE = 9;
}

// Device information.
message DeviceInfo {
  // Tenant ID (UUID).
  string tenant_id = 1;

  // Tenant name.
  string tenant_name = 2;

  // Application ID (UUID).
  string application_id = 3;

  // Application name.
  string application_name = 4;

  // Device-profile ID (UUID).
  string device_profile_id = 5;

  // Device-profile name.
  string device_profile_name = 6;

  // Device name.
  string device_name = 7;

  // Device EUI.
  string dev_eui = 8;

  // Device-profile and device tags.
  map<string, string> tags = 9;
}

// Uplink relay RX information.
message UplinkRelayRxInfo {
  // Relay DevEUI.
  string dev_eui = 1;

  // Frequency.
  uint32 frequency = 2;

  // Data-rate.
  uint32 dr = 3;

  // SNR.
  int32 snr = 4;

  // RSSI.
  int32 rssi = 5;

  // WOR channel.
  uint32 wor_channel = 6;
}

// UplinkEvent is the message sent when an uplink payload has been received.
message UplinkEvent {
  // Deduplication ID (UUID).
  string deduplication_id = 1;

  // Timestamp.
  google.protobuf.Timestamp time = 2;

  // Device information.
  DeviceInfo device_info = 3;

  // Device address.
  string dev_addr = 4;

  // Device has ADR bit set.
  bool adr = 5;

  // Data-rate.
  uint32 dr = 6;

  // Frame counter.
  uint32 f_cnt = 7;

  // Frame port.
  uint32 f_port = 8;

  // Uplink was of type confirmed.
  bool confirmed = 9;

  // FRMPayload data.
  bytes data = 10;

  // Note that this is only set when a codec is configured in the Device
  // Profile.
  google.protobuf.Struct object = 11;

  // Receiving gateway RX info.
  repeated gw.UplinkRxInfo rx_info = 12;

  // TX info.
  gw.UplinkTxInfo tx_info = 13;

  // Relay info.
  UplinkRelayRxInfo relay_rx_info = 14;
}

// JoinEvent is the message sent when a device joined the network.
// Note: this event is sent at the first uplink after OTAA.
message JoinEvent {
  // Deduplication ID (UUID).
  string deduplication_id = 1;

  // Timestamp.
  google.protobuf.Timestamp time = 2;

  // Device info.
  DeviceInfo device_info = 3;

  // Device address.
  string dev_addr = 4;

  // Relay info.
  UplinkRelayRxInfo relay_rx_info = 5;
}

// AckEvent is the message sent when a confirmation on a confirmed downlink
// has been received -or- when the downlink timed out.
message AckEvent {
  // Deduplication ID (UUID).
  string deduplication_id = 1;

  // Timestamp.
  google.protobuf.Timestamp time = 2;

  // Device info.
  DeviceInfo device_info = 3;

  // Downlink queue item ID (UUID).
  string queue_item_id = 4;

  // Frame was acknowledged.
  bool acknowledged = 5;

  // Downlink frame counter to which the acknowledgement relates.
  uint32 f_cnt_down = 6;
}

// TxAckEvent is the message sent when a downlink was acknowledged by the
// gateway for transmission. As a downlink can be scheduled in the future, this
// event does not confirm that the message has already been transmitted.
message TxAckEvent {
  // Downlink ID.
  uint32 downlink_id = 1;

  // Timestamp.
  google.protobuf.Timestamp time = 2;

  // Device info.
  DeviceInfo device_info = 3;

  // Downlink queue item ID (UUID).
  string queue_item_id = 4;

  // Downlink frame-counter.
  uint32 f_cnt_down = 5;

  // Gateway ID.
  string gateway_id = 6;

  // TX info.
  gw.DownlinkTxInfo tx_info = 7;
}

// LogEvent is the message sent when a device-related log was sent.
message LogEvent {
  // Timestamp.
  google.protobuf.Timestamp time = 1;

  // Device info.
  DeviceInfo device_info = 2;

  // Log level.
  LogLevel level = 3;

  // Log code.
  LogCode code = 4;

  // Description message.
  string description = 5;

  // Context map.
  map<string, string> context = 6;
}

// StatusEvent is the message sent when a device-status mac-command was sent
// by the device.
message StatusEvent {
  // Deduplication ID (UUID).
  string deduplication_id = 1;

  // Timestamp.
  google.protobuf.Timestamp time = 2;

  // Device info.
  DeviceInfo device_info = 3;

  // The demodulation signal-to-noise ratio in dB for the last successfully
  // received device-status request by the Network Server.
  int32 margin = 5;

  // Device is connected to an external power source.
  bool external_power_source = 6;

  // Battery level is not available.
  bool battery_level_unavailable = 7;

  // Battery level.
  float battery_level = 8;
}

// LocationEvent is the message sent when a geolocation resolve was returned.
message LocationEvent {
  // Deduplication ID (UUID).
  string deduplication_id = 1;

  // Timestamp.
  google.protobuf.Timestamp time = 2;

  // Device info.
  DeviceInfo device_info = 3;

  // Location.
  common.Location location = 4;
}

// IntegrationEvent is the message that can be sent by an integration.
// It allows for sending events which are provided by an external integration
// which are "not native" to ChirpStack.
message IntegrationEvent {
  // Deduplication ID (UUID).
  string deduplication_id = 1;

  // Timestamp.
  google.protobuf.Timestamp time = 2;

  // Device info.
  DeviceInfo device_info = 3;

  // Integration name.
  string integration_name = 4;

  // Event type.
  string event_type = 5;

  // Struct containing the event object.
  google.protobuf.Struct object = 6;
}

// DownlinkCommand is the command to enqueue a downlink payload for the given
// device.
message DownlinkCommand {
  // ID (UUID).
  // If left blank, a random UUID will be generated.
  string id = 1;

  // Device EUI (EUI64).
  string dev_eui = 2;

  // Confirmed.
  bool confirmed = 3;

  // FPort (must be > 0).
  uint32 f_port = 4;

  // Data.
  // Or use the json_object field when a codec has been configured.
  bytes data = 5;

  // Only use this when a codec has been configured that can encode this
  // object to bytes.
  google.protobuf.Struct object = 6;
}