syntax = "proto3";

package gamepanel.daemon;

// Empty message for parameterless RPCs
message Empty {}

// === Node ===

message NodeStatus {
  string version = 1;
  bool is_healthy = 2;
  int64 uptime_seconds = 3;
  int32 active_servers = 4;
}

message NodeStats {
  double cpu_percent = 1;
  int64 memory_used = 2;
  int64 memory_total = 3;
  int64 disk_used = 4;
  int64 disk_total = 5;
}

// === Server Lifecycle ===

message ServerIdentifier {
  string uuid = 1;
}

message PortMapping {
  int32 host_port = 1;
  int32 container_port = 2;
  string protocol = 3; // "tcp" or "udp"
}

message CreateServerRequest {
  string uuid = 1;
  string docker_image = 2;
  int64 memory_limit = 3;
  int64 disk_limit = 4;
  int32 cpu_limit = 5;
  string startup_command = 6;
  map<string, string> environment = 7;
  repeated PortMapping ports = 8;
  repeated string install_plugin_urls = 9;
}

message UpdateServerRequest {
  string uuid = 1;
  string docker_image = 2;
  int64 memory_limit = 3;
  int64 disk_limit = 4;
  int32 cpu_limit = 5;
  string startup_command = 6;
  map<string, string> environment = 7;
  repeated PortMapping ports = 8;
}

message ServerResponse {
  string uuid = 1;
  string status = 2;
}

// === Managed Databases ===

message CreateDatabaseRequest {
  string server_uuid = 1;
  string name = 2;
  string password = 3;
}

message UpdateDatabasePasswordRequest {
  string username = 1;
  string password = 2;
}

message DeleteDatabaseRequest {
  string database_name = 1;
  string username = 2;
}

message ManagedDatabaseCredentials {
  string database_name = 1;
  string username = 2;
  string password = 3;
  string host = 4;
  int32 port = 5;
  string phpmyadmin_url = 6;
}

// === Power ===

enum PowerAction {
  START = 0;
  STOP = 1;
  RESTART = 2;
  KILL = 3;
}

message PowerRequest {
  string uuid = 1;
  PowerAction action = 2;
}

// === Server Status ===

message ServerStatus {
  string uuid = 1;
  string state = 2;
  double cpu_percent = 3;
  int64 memory_bytes = 4;
  int64 disk_bytes = 5;
  int64 network_rx = 6;
  int64 network_tx = 7;
  int64 uptime_seconds = 8;
}

message ServerResourceStats {
  string uuid = 1;
  double cpu_percent = 2;
  int64 memory_bytes = 3;
  int64 disk_bytes = 4;
  int64 network_rx = 5;
  int64 network_tx = 6;
  string state = 7;
}

// === Console ===

message ConsoleOutput {
  string uuid = 1;
  string line = 2;
  int64 timestamp = 3;
}

message CommandRequest {
  string uuid = 1;
  string command = 2;
}

// === Files ===

message FileEntry {
  string name = 1;
  string path = 2;
  bool is_directory = 3;
  int64 size = 4;
  int64 modified_at = 5;
  string mime_type = 6;
}

message FileListRequest {
  string uuid = 1;
  string path = 2;
}

message FileListResponse {
  repeated FileEntry files = 1;
}

message FileReadRequest {
  string uuid = 1;
  string path = 2;
}

message FileContent {
  bytes data = 1;
  string mime_type = 2;
}

message FileWriteRequest {
  string uuid = 1;
  string path = 2;
  bytes data = 3;
}

message FileDeleteRequest {
  string uuid = 1;
  repeated string paths = 2;
}

message CompressRequest {
  string uuid = 1;
  repeated string paths = 2;
  string destination = 3;
}

message DecompressRequest {
  string uuid = 1;
  string path = 2;
  string destination = 3;
}

// === Backup ===

message BackupRequest {
  string server_uuid = 1;
  string backup_id = 2;
  string cdn_upload_url = 3;
}

message BackupResponse {
  string backup_id = 1;
  int64 size_bytes = 2;
  string checksum = 3;
  bool success = 4;
}

message BackupIdentifier {
  string server_uuid = 1;
  string backup_id = 2;
}

message RestoreBackupRequest {
  string server_uuid = 1;
  string backup_id = 2;
  string cdn_download_url = 3;
}

// === Players ===

message Player {
  string name = 1;
  string uuid = 2;
  int64 connected_at = 3;
}

message PlayerList {
  repeated Player players = 1;
  int32 max_players = 2;
}

// === Install Progress ===

message InstallProgress {
  string uuid = 1;
  int32 percent = 2;
  string message = 3;
}

// === Service Definition ===

service DaemonService {
  // Node
  rpc GetNodeStatus(Empty) returns (NodeStatus);
  rpc StreamNodeStats(Empty) returns (stream NodeStats);

  // Server lifecycle
  rpc CreateServer(CreateServerRequest) returns (ServerResponse);
  rpc UpdateServer(UpdateServerRequest) returns (ServerResponse);
  rpc DeleteServer(ServerIdentifier) returns (Empty);
  rpc ReinstallServer(ServerIdentifier) returns (Empty);
  rpc CreateDatabase(CreateDatabaseRequest) returns (ManagedDatabaseCredentials);
  rpc UpdateDatabasePassword(UpdateDatabasePasswordRequest) returns (Empty);
  rpc DeleteDatabase(DeleteDatabaseRequest) returns (Empty);

  // Power
  rpc SetPowerState(PowerRequest) returns (Empty);
  rpc GetServerStatus(ServerIdentifier) returns (ServerStatus);

  // Console
  rpc StreamConsole(ServerIdentifier) returns (stream ConsoleOutput);
  rpc SendCommand(CommandRequest) returns (Empty);

  // Files
  rpc ListFiles(FileListRequest) returns (FileListResponse);
  rpc ReadFile(FileReadRequest) returns (FileContent);
  rpc WriteFile(FileWriteRequest) returns (Empty);
  rpc DeleteFiles(FileDeleteRequest) returns (Empty);
  rpc CompressFiles(CompressRequest) returns (FileContent);
  rpc DecompressFile(DecompressRequest) returns (Empty);

  // Backup
  rpc CreateBackup(BackupRequest) returns (BackupResponse);
  rpc RestoreBackup(RestoreBackupRequest) returns (Empty);
  rpc DeleteBackup(BackupIdentifier) returns (Empty);

  // Stats
  rpc StreamServerStats(ServerIdentifier) returns (stream ServerResourceStats);

  // Install progress
  rpc StreamInstallProgress(ServerIdentifier) returns (stream InstallProgress);

  // Players
  rpc GetActivePlayers(ServerIdentifier) returns (PlayerList);
}