syntax = "proto3";

package recommender;

option go_package = "github.com/aykhans/movier/server/pkg/proto";

service Recommender {
  rpc GetRecommendations(Request) returns (Response) {}
}

message Filter {
  oneof min_votes_oneof {
    uint32 min_votes = 1;
  }
  oneof max_votes_oneof {
    uint32 max_votes = 2;
  }
  oneof min_year_oneof {
    uint32 min_year = 3;
  }
  oneof max_year_oneof {
    uint32 max_year = 4;
  }
  oneof min_rating_oneof {
    float min_rating = 5;
  }
  oneof max_rating_oneof {
    float max_rating = 6;
  }
}

message Weight {
  uint32 year = 1;
  uint32 rating = 2;
  uint32 genres = 3;
  uint32 nconsts = 4;
}

message Request {
  repeated string tconsts = 1;
  uint32 n = 2;
  Filter filter = 3;
  Weight weight = 4;
}

message Response {
  repeated RecommendedMovie movies = 1;
}

message RecommendedMovie {
  string tconst = 1;
  repeated string weights = 2;
}