// Extracted from: Spotify 1.2.52.442 (windows)

syntax = "proto3";

package spotify.offline.proto;

import "google/protobuf/any.proto";
import "extension_kind.proto";
import "resource_type.proto";

option optimize_for = CODE_SIZE;

message PluginRegistry {
    message Entry {
        string id = 1;
        repeated LinkType supported_link_types = 2;
        ResourceType resource_type = 3;
        repeated extendedmetadata.ExtensionKind extension_kinds = 4;
    }

    enum LinkType {
        EMPTY = 0;
        TRACK = 1;
        EPISODE = 2;
    }

    repeated Entry plugins = 1;
}

message PluginInit {
    string id = 1;
}

message TargetFormat {
    int32 bitrate = 1;
}

message Metadata {
    message Header {
        int32 status_code = 1;
        bool is_empty = 2;
    }

    Header header = 1;
    google.protobuf.Any extension_data = 2;
}

message IdentifyCommand {
    message Header {
        TargetFormat target_format = 1;
    }

    message Query {
        message MetadataEntry {
            int32 key = 1;
            Metadata value = 2;
        }

        string link = 1;
        repeated MetadataEntry metadata = 2;
    }

    Header header = 3;
    repeated Query query = 4;
}

message IdentifyResponse {
    message Result {
        enum Status {
            UNKNOWN = 0;
            MISSING = 1;
            COMPLETE = 2;
            NOT_APPLICABLE = 3;
        }

        Status status = 1;
        int64 estimated_file_size = 2;
    }

    map<string, Result> results = 1;
}

message DownloadCommand {
    message MetadataEntry {
        int32 key = 1;
        Metadata value = 2;
    }

    string link = 1;
    TargetFormat target_format = 2;
    repeated MetadataEntry metadata = 3;
}

message DownloadResponse {
    enum Error {
        OK = 0;
        TEMPORARY_ERROR = 1;
        PERMANENT_ERROR = 2;
        DISK_FULL = 3;
    }

    string link = 1;
    bool complete = 2;
    int64 file_size = 3;
    int64 bytes_downloaded = 4;
    Error error = 5;
}

message StopDownloadCommand {
    string link = 1;
}

message StopDownloadResponse {
}

message RemoveCommand {
    message Header {
    }

    message Query {
        string link = 1;
    }

    Header header = 2;
    repeated Query query = 3;
}

message RemoveResponse {
}

message PluginCommand {
    string id = 1;
    oneof command {
        IdentifyCommand identify = 2;
        DownloadCommand download = 3;
        RemoveCommand remove = 4;
        StopDownloadCommand stop_download = 5;
    }
}

message PluginResponse {
    string id = 1;
    oneof response {
        IdentifyResponse identify = 2;
        DownloadResponse download = 3;
        RemoveResponse remove = 4;
        StopDownloadResponse stop_download = 5;
    }
}