// Extracted from: Spotify 1.2.52.442 (windows)

syntax = "proto3";

package spotify.extendedmetadata;

import "extension_kind.proto";
import "entity_extension_data.proto";

option cc_enable_arenas = true;
option java_multiple_files = true;
option optimize_for = CODE_SIZE;
option java_package = "com.spotify.extendedmetadata.proto";

message ExtensionQuery {
    ExtensionKind extension_kind = 1;
    string etag = 2;
}

message EntityRequest {
    string entity_uri = 1;
    repeated ExtensionQuery query = 2;
}

message BatchedEntityRequestHeader {
    string country = 1;
    string catalogue = 2;
    bytes task_id = 3;
}

message BatchedEntityRequest {
    BatchedEntityRequestHeader header = 1;
    repeated EntityRequest entity_request = 2;
}

message EntityExtensionDataArrayHeader {
    int32 provider_error_status = 1;
    int64 cache_ttl_in_seconds = 2;
    int64 offline_ttl_in_seconds = 3;
    ExtensionType extension_type = 4;
}

message EntityExtensionDataArray {
    EntityExtensionDataArrayHeader header = 1;
    ExtensionKind extension_kind = 2;
    repeated EntityExtensionData extension_data = 3;
}

message BatchedExtensionResponseHeader {
}

message BatchedExtensionResponse {
    BatchedExtensionResponseHeader header = 1;
    repeated EntityExtensionDataArray extended_metadata = 2;
}

enum ExtensionType {
    UNKNOWN = 0;
    GENERIC = 1;
    ASSOC = 2;
}