export interface MediaFile {
	metadata: {
		duration: number;
	};
}

export interface Directory {
	files: FileListing;
}

//Scanned = we know which children exist
//Unknown = either:
// - not scanned (is a subdirectory and recursive=false)
// - only partially exists, because some deeper file was scannend, and this entry only exists as a link
export interface DirectoryWithStatus {
	files: FileListingWithStatus;
	status: "Scanned" | "Unknown";
}

export type FileListing = Map<string, Directory | MediaFile>;
export type FileListingWithStatus = Map<string, DirectoryWithStatus | MediaFile>;

export function fileSort(a: [string, Directory | MediaFile], b: [string, Directory | MediaFile]): number {
	//sort directories first
	if ("metadata" in b[1] && !("metadata" in a[1])) return -1;
	if ("metadata" in a[1] && !("metadata" in b[1])) return 1;
	return a[0].localeCompare(b[0], undefined, { numeric: true });
}

export enum MediaFormat {
	"opus/ogg" = "opus/ogg",
	"opus/webm" = "opus/webm",
	mp3 = "mp3",
	vorbis = "vorbis",
}