syntax = "proto3";

// TODO: couldn't solve out how to set "main" package. Needs to fix by hand after export
// export:
// protoc --proto_path=./ --go_out=./ --go-grpc_out=./ --go_opt=paths=source_relative tree.proto
option go_package = ".";

package main;

service TreeManager {
  rpc GetSummery(TreeRequest) returns (Tree) {}
  rpc GetFile(FileRequest) returns (FileContent) {}
  rpc RebuildTree(TreeSecret) returns (RebuildResponse) {}
  rpc DownloadAttachment(AttachmentRequest) returns (stream AttachmentResponse) {}
}

message TreeSecret {
  string key = 1;
}

message RebuildResponse {
  bool success = 1;
}

message FileRequest {
  string id = 1;
}

message TreeRequest {
  message Filter {
    string key = 1;
    string value = 2;
  }

  optional string path = 1;
  repeated Filter filter = 2;
}

message TreeFile {
  string name = 1;
  repeated string category = 2;
  string description = 3;
  string id = 4;
  string lang = 5;
  string copyright = 6;
  repeated string tags = 7;
  string created = 8;
}

message Tree {
  repeated TreeFile files = 1;
  repeated TreeFile rootFiles = 4;
  map<string, int32> tags = 2;
  map<string, int32> categories = 3;
  string path = 5;
  string rootPath = 6;
}

message FileContent {
  TreeFile file = 1;
  string content = 2;
}

message AttachmentRequest {
  string path = 1;
}

message AttachmentResponse {
  bytes chunk = 1;
}