syntax = "proto3";

package milvus.proto.service;
option go_package="github.com/zilliztech/milvus-distributed/internal/proto/indexbuilderpb";
import "common.proto";

enum IndexStatus {
    NONE = 0;
    UNISSUED = 1;
    INPROGRESS = 2;
    FINISHED = 3;
}

message BuildIndexRequest {
    repeated string data_paths=2;
    repeated common.KeyValuePair type_params = 3;
    repeated common.KeyValuePair index_params = 4;
}

message BuildIndexResponse {
    common.Status status = 1;
    int64 indexID = 2;
}


message GetIndexFilePathsRequest {
    int64 indexID = 1;
}

message GetIndexFilePathsResponse {
    common.Status status = 1;
    int64 indexID = 2;
    repeated string index_file_paths=3;
}

message DescribleIndexRequest {
    int64 indexID = 1;
}

message DescribleIndexResponse {
    common.Status status = 1;
    IndexStatus index_status =2;
    int64 indexID = 3;
    int64 enque_time = 4;
    int64 schedule_time = 5;
    int64 build_complete_time = 6;
}


message IndexMeta {
    IndexStatus status =1;
    int64   indexID = 2;
    int64 enque_time = 3;
    int64 schedule_time = 4;
    int64 build_complete_time = 5;
    BuildIndexRequest req = 6;
    repeated string index_file_paths=7;
}

service IndexBuildService {
    /**
     * @brief This method is used to create collection
     *
     * @param CollectionSchema, use to provide collection information to be created.
     *
     * @return Status
     */
    rpc BuildIndex(BuildIndexRequest) returns (BuildIndexResponse){}
    rpc DescribeIndex(DescribleIndexRequest) returns (DescribleIndexResponse){}
    rpc GetIndexFilePaths(GetIndexFilePathsRequest) returns (GetIndexFilePathsResponse){}

}