syntax = "proto3";
package modproxy;
option go_package = "code.hackerspace.pl/hscloud/games/factorio/modproxy/proto";

service ModProxy {
    rpc Mirror(MirrorRequest) returns (MirrorResponse);
    rpc Download(DownloadRequest) returns (stream DownloadResponse);
}

message MirrorRequest {
    // Authentication details to access the mod portal.
    string username = 1;
    string token = 2;
}

message MirrorResponse {
    repeated string mods_okay = 1;
    map<string, string> mods_errors = 2;
}

message DownloadRequest {
    string mod_name = 1;
    string file_sha1 = 2;
}

message DownloadResponse {
    enum Status {
        STATUS_INVALID = 0;
        STATUS_OKAY = 1;
        STATUS_NOT_AVAILABLE = 2;
    };
    Status status = 1;
    bytes chunk = 2;
}

// Configuration for client (in text proto, so singular names in repeated fields)
message ClientConfig {
    message Mod {
        string name = 1;
        string version = 2;
    }
    repeated Mod mod = 1;
}