import Foundation

struct NASItem: Identifiable {
    let id = UUID()
    let name: String
    let path: String
    let isDirectory: Bool
    let size: Int64
    let modifiedDate: Date?
}

protocol NASTransferProtocol: AnyObject {
    var isConnected: Bool { get }

    func connect(to host: String, port: Int, username: String, password: String) async throws
    func disconnect()
    func listShares() async throws -> [String]
    func listDirectory(at path: String) async throws -> [NASItem]
    func createDirectory(at path: String) async throws
    func fileExists(at remotePath: String) async throws -> Bool
    func upload(
        localURL: URL,
        remotePath: String,
        progress: @escaping (Int64, Int64) -> Void
    ) async throws
    func downloadData(at remotePath: String) async throws -> Data
    func writeData(_ data: Data, to remotePath: String) async throws
    func deleteFile(at remotePath: String) async throws
}