syntax = "proto3";

option go_package = "./protoapi/;protoapi";

service IoTService {
    rpc GetDate (RequestDateTime) returns (DateTime);
    rpc UpdateSensingData (SensingData) returns (SensingResponse);
    rpc GetRandomPass (RequestPass) returns (RandomPass);
    rpc UploadFile (stream FileChunk) returns (UploadStatus);
    rpc ListFiles (EmptyRequest) returns (FileList);
    rpc DownloadFile (DownloadRequest) returns (stream FileChunk);
}

message FileChunk {
    string FileName = 1;
    bytes Content = 2;
}

message UploadStatus {
    bool Success = 1;
    string Message = 2;
    int64 BytesUploaded = 3;
}

message SensingData {
    string DeviceId = 1;
    double Temperature = 2;
    double Humidity = 3;
}

message SensingResponse {
    bool Success = 1;
    string Message = 2;
}

message DateTime {
    string Value = 1;
}

message RequestDateTime {
    string Value = 2;
}

message RequestPass {
    int64 Seed = 1;
    int64 Length = 8;
}

message RandomPass {
    string Password = 1;
}

message EmptyRequest {}

message FileMetadata {
    string FileName = 1;
    int64 FileSize = 2;
    int64 UploadedAt = 3;
}

message FileList {
    repeated FileMetadata Files = 1;
}

message DownloadRequest {
    string FileName = 1;
}