syntax = "proto3";

package hyperlog;

message UserGraphItem {
  map<string, GraphItem> items = 1;
    
}
message SectionGraphItem {
  map<string, GraphItem> items = 1;
}

message ItemStateNotDone {}
message ItemStateDone {}

message ItemGraphItem {
  string title = 1;
  string description = 2;
  oneof item_state {
    ItemStateNotDone not_done = 3;
    ItemStateDone done = 4;
  }
}

message GraphItem {
  string path = 1;
  oneof contents {
    UserGraphItem user = 2;
    SectionGraphItem section = 3;
    ItemGraphItem item = 4;
  }
}

service Graph {
  rpc GetAvailableRoots(GetAvailableRootsRequest) returns (GetAvailableRootsResponse);
  rpc Get(GetRequest) returns (GetReply);
  rpc CreateSection(CreateSectionRequest) returns (CreateSectionResponse);
}

message GetAvailableRootsRequest {}
message GetAvailableRootsResponse {
  repeated string roots = 1;
}

message GetRequest {
  string root = 1;
  repeated string paths = 2;
}

message GetReply {
  GraphItem item = 1;
}


message CreateSectionRequest {}
message CreateSectionResponse {}