syntax = "proto3";

package agent;

option go_package = "l_vpn_proto/proto";

service WireGuardAgent {
  rpc GetClientConfigs(GetClientConfigsRequest) returns (GetClientConfigsResponse);
  rpc RegisterClient(RegisterClientRequest) returns (RegisterClientResponse);
  rpc UnregisterClient(UnregisterClientRequest) returns (UnregisterClientResponse);
  rpc GetServerStatus(GetServerStatusRequest) returns (GetServerStatusResponse);
  rpc PingHosts(PingHostsRequest) returns (PingHostsResponse);

  // Xray / VLESS+Reality management
  rpc GetXrayStatus(GetXrayStatusRequest) returns (GetXrayStatusResponse);
  rpc GetXrayPublicKey(GetXrayPublicKeyRequest) returns (GetXrayPublicKeyResponse);
  rpc AddXrayUser(AddXrayUserRequest) returns (AddXrayUserResponse);
  rpc RemoveXrayUser(RemoveXrayUserRequest) returns (RemoveXrayUserResponse);

  // Hysteria2 / QUIC management
  rpc GetHysteria2Status(GetHysteria2StatusRequest) returns (GetHysteria2StatusResponse);
  rpc AddHysteria2User(AddHysteria2UserRequest) returns (AddHysteria2UserResponse);
  rpc RemoveHysteria2User(RemoveHysteria2UserRequest) returns (RemoveHysteria2UserResponse);
}

message GetClientConfigsRequest {}

message ClientConfig {
  string name = 1;
  string public_key = 2;
  string private_key = 3;
  string endpoint = 4;
  string allowed_ips = 5;
  string created_at = 6;
}

message GetClientConfigsResponse {
  bool success = 1;
  string error = 2;
  repeated ClientConfig clients = 3;
}

message RegisterClientRequest {
  string name = 1;
  string allowed_ips = 2;
}

message RegisterClientResponse {
  bool success = 1;
  string error = 2;
  ClientConfig client = 3;
}

message UnregisterClientRequest {
  string public_key = 1;
}

message UnregisterClientResponse {
  bool success = 1;
  string error = 2;
}

message GetServerStatusRequest {}

message GetServerStatusResponse {
  bool success = 1;
  string error = 2;
  string interface_name = 3;
  string public_key = 4;
  string listening_port = 5;
  int32 peers_count = 6;
}

message PingHostsRequest {
  repeated string hosts = 1;
}

message PingResult {
  string host = 1;
  double latency_ms = 2;  // -1 if unreachable
  bool reachable = 3;
  string error = 4;
}

message PingHostsResponse {
  bool success = 1;
  string error = 2;
  repeated PingResult results = 3;
}

// ── Xray messages ─────────────────────────────────────────────────────────────

message GetXrayStatusRequest {}
message GetXrayStatusResponse {
  bool running = 1;
  int32 port    = 2;
  string error  = 3;
}

message GetXrayPublicKeyRequest {}
message GetXrayPublicKeyResponse {
  string public_key   = 1;
  string short_id     = 2;
  string server_name  = 3;
  int32  port         = 4;
}

message AddXrayUserRequest {
  string uuid  = 1;
  string email = 2;
}
message AddXrayUserResponse {
  bool   success = 1;
  string error   = 2;
}

message RemoveXrayUserRequest {
  string uuid = 1;
}
message RemoveXrayUserResponse {
  bool   success = 1;
  string error   = 2;
}

// ── Hysteria2 messages ────────────────────────────────────────────────────────

message GetHysteria2StatusRequest {}
message GetHysteria2StatusResponse {
  bool   running = 1;
  int32  port    = 2;
  string error   = 3;
}

message AddHysteria2UserRequest {
  string uuid  = 1;
  string email = 2;
}
message AddHysteria2UserResponse {
  bool   success = 1;
  string error   = 2;
}

message RemoveHysteria2UserRequest {
  string uuid = 1;
}
message RemoveHysteria2UserResponse {
  bool   success = 1;
  string error   = 2;
}