import Foundation

// Bridges NASConnection save/load with Keychain for password and UserDefaults for metadata.
enum SavedConnections {
    private static let key = "savedConnection"

    static func save(_ connection: NASConnection) {
        KeychainStore.savePassword(connection.password, for: connection.id)
        if let data = try? JSONEncoder().encode(connection) {
            UserDefaults.standard.set(data, forKey: key)
        }
    }

    static func load() -> NASConnection? {
        guard let data = UserDefaults.standard.data(forKey: key),
              var connection = try? JSONDecoder().decode(NASConnection.self, from: data) else {
            return nil
        }
        connection.password = KeychainStore.loadPassword(for: connection.id) ?? ""
        return connection
    }

    static func delete() {
        if let data = UserDefaults.standard.data(forKey: key),
           let connection = try? JSONDecoder().decode(NASConnection.self, from: data) {
            KeychainStore.deletePassword(for: connection.id)
        }
        UserDefaults.standard.removeObject(forKey: key)
    }
}