syntax = "proto3";
option go_package = "github.com/coder/coder/v2/agent/proto";

package coder.agent.v2;

import "tailnet/proto/tailnet.proto";
import "google/protobuf/timestamp.proto";
import "google/protobuf/duration.proto";

message WorkspaceApp {
	bytes uuid = 1;
	string url = 2;
	bool external = 3;
	string slug = 4;
	string display_name = 5;
	string command = 6;
	string icon = 7;
	bool subdomain = 8;
	string subdomain_name = 9;

	enum SharingLevel {
		SHARING_LEVEL_UNSPECIFIED = 0;
		OWNER = 1;
		AUTHENTICATED = 2;
		PUBLIC = 3;
	}
	SharingLevel sharing_level = 10;

	message HealthCheck {
		string url = 1;
		int32 interval = 2;
		int32 threshold = 3;
	}
	HealthCheck healthcheck = 11;

	enum Health {
		HEALTH_UNSPECIFIED = 0;
		DISABLED = 1;
		INITIALIZING = 2;
		HEALTHY = 3;
		UNHEALTHY = 4;
	}
	Health health = 12;
}

message Manifest {
	uint32 git_auth_configs = 1;
	string vs_code_port_proxy_uri = 2;
	repeated WorkspaceApp apps = 3;
	coder.tailnet.v2.DERPMap derp_map = 4;
}

message GetManifestRequest {}

message ServiceBanner {
	bool enabled = 1;
	string message = 2;
	string background_color = 3;
}

message GetServiceBannerRequest {}

message Stats {
	// ConnectionsByProto is a count of connections by protocol.
	map<string, int64> connections_by_proto = 1;
	// ConnectionCount is the number of connections received by an agent.
	int64 connection_count = 2;
	// ConnectionMedianLatencyMS is the median latency of all connections in milliseconds.
	double connection_median_latency_ms = 3;
	// RxPackets is the number of received packets.
	int64 rx_packets = 4;
	// RxBytes is the number of received bytes.
	int64 rx_bytes = 5;
	// TxPackets is the number of transmitted bytes.
	int64 tx_packets = 6;
	// TxBytes is the number of transmitted bytes.
	int64 tx_bytes = 7;

	// SessionCountVSCode is the number of connections received by an agent
	// that are from our VS Code extension.
	int64 session_count_vscode = 8;
	// SessionCountJetBrains is the number of connections received by an agent
	// that are from our JetBrains extension.
	int64 session_count_jetbrains = 9;
	// SessionCountReconnectingPTY is the number of connections received by an agent
	// that are from the reconnecting web terminal.
	int64 session_count_reconnecting_pty = 10;
	// SessionCountSSH is the number of connections received by an agent
	// that are normal, non-tagged SSH sessions.
	int64 session_count_ssh = 11;

	message Metric {
		string name = 1;

		enum Type {
			TYPE_UNSPECIFIED = 0;
			COUNTER = 1;
			GAUGE = 2;
		}
		Type type = 2;

		double value = 3;
		map<string, string> labels = 4;
	}
}

message UpdateStatsRequest{
	Stats stats = 1;
}

message UpdateStatsResponse {
	google.protobuf.Duration report_interval_nanoseconds = 1;
}

message Lifecycle {
	enum State {
		STATE_UNSPECIFIED = 0;
		CREATED = 1;
		STARTED = 2;
		START_TIMEOUT = 3;
		START_ERROR = 4;
		READY = 5;
		SHUTTING_DOWN = 6;
		SHUTDOWN_TIMEOUT = 7;
		SHUTDOWN_ERROR = 8;
		OFF = 9;
	}
	State state = 1;
}

message UpdateLifecycleRequest {
	Lifecycle lifecycle = 1;
}

enum AppHealth {
	APP_HEALTH_UNSPECIFIED = 0;
	DISABLED = 1;
	INITIALIZING = 2;
	HEALTHY = 3;
	UNHEALTHY = 4;
}

message BatchUpdateAppHealthRequest {
	message HealthUpdate {
		bytes uuid = 1;
		AppHealth health = 2;
	}
	repeated HealthUpdate updates = 1;
}

message BatchUpdateAppHealthResponse {}

message Startup {
	string version = 1;
	string expanded_directory = 2;
	repeated string subsystems = 3;
}

message UpdateStartupRequest{
	Startup startup = 1;
}

message Metadata {
	string key = 1;
	google.protobuf.Timestamp collected_at = 2;
	int64 age = 3;
	string value = 4;
	string error = 5;
}

message BatchUpdateMetadataRequest {
	repeated Metadata metadata = 2;
}

message BatchUpdateMetadataResponse {}

message Log {
	google.protobuf.Timestamp created_at = 1;
	string output = 2;

	enum Level {
		LEVEL_UNSPECIFIED = 0;
		TRACE = 1;
		DEBUG = 2;
		INFO = 3;
		WARN = 4;
		ERROR = 5;
	}
	Level level = 3;
}

message BatchCreateLogsRequest {
	bytes source_id = 1;
	repeated Log logs = 2;
}

message BatchCreateLogsResponse {}

service Agent {
	rpc GetManifest(GetManifestRequest) returns (Manifest);
	rpc GetServiceBanner(GetServiceBannerRequest) returns (ServiceBanner);
	rpc UpdateStats(UpdateStatsRequest) returns (UpdateStatsResponse);
	rpc UpdateLifecycle(UpdateLifecycleRequest) returns (Lifecycle);
	rpc BatchUpdateAppHealths(BatchUpdateAppHealthRequest) returns (BatchUpdateAppHealthResponse);
	rpc UpdateStartup(UpdateStartupRequest) returns (Startup);
	rpc BatchUpdateMetadata(BatchUpdateMetadataRequest) returns (BatchUpdateMetadataResponse);
	rpc BatchCreateLogs(BatchCreateLogsRequest) returns (BatchCreateLogsResponse);

	rpc StreamDERPMaps(tailnet.v2.StreamDERPMapsRequest) returns (stream tailnet.v2.DERPMap);
	rpc CoordinateTailnet(stream tailnet.v2.CoordinateRequest) returns (stream tailnet.v2.CoordinateResponse);
}