syntax = "proto3";

package buildr.rpc.v1;

import "common/v1/spec.proto";

message Buildr {
    message Repo {
        string root = 1;
    }

    Repo repo = 1;
    string bin_dir = 2;
    string out_dir = 3;
}

message TaskReference {
    string id = 1;
    string name = 2;
    ModuleReference module = 3;
}

message StartTaskRequest {
    TaskReference reference = 1;
    Buildr buildr = 2;
    ModuleSpec spec = 3;
}

message TaskResult {
    string error = 1;
    string modified_files_archive_path = 2;
}

enum TaskOutputSource {
    TASK_OUTPUT_SOURCE_UNSPECIFIED = 0;
    TASK_OUTPUT_SOURCE_STDOUT = 1;
    TASK_OUTPUT_SOURCE_STDERR = 2;
}

message TaskOutput {
    TaskOutputSource source = 1;
    bytes payload = 2;
}

message TaskLog {
    message LogAttribute {
        string key = 1;
        string value = 2;
    }

    int64 time = 1;
    string message = 2;
    int32 level = 3;
    repeated LogAttribute attributes = 4;
}

message SetState {
    bytes key = 1;
    bytes data = 2;
}

message GetStateRequest {
    bytes key = 1;
}

message GetStateResponse {
    bytes key = 1;
    bytes data = 2;
}

message Result {
    string error = 1;
}

message ExecutionClientMessage {
    oneof meta {
        bytes message_id = 1;
        bytes replies_to = 2;
    }

    oneof envelope {
        StartTaskRequest start_task = 11;
        GetStateResponse get_state = 12;
        Result error = 13;
    }
}

message ExecutionServerMessage {
    oneof meta {
        bytes message_id = 1;
        bytes replies_to = 2;
    }

    oneof envelope {
        TaskResult task_result = 11;
        TaskLog task_log = 12;
        TaskOutput task_output = 13;
        GetStateRequest get_state = 14;
        SetState set_state = 15;
    }
}

service ExecutorService {
    rpc ExecuteStream(stream ExecutionClientMessage) returns (stream ExecutionServerMessage);
}

message RegisterPluginModuleRequest {
    ModuleReference module_ref = 1;
    bytes plugin_payload = 2;
}

message RegisterPluginModuleResponse {

}

service PluginManagerService {
    rpc RegisterPluginModule(RegisterPluginModuleRequest) returns (RegisterPluginModuleResponse);
}