import Foundation

enum APIError: LocalizedError {
    case invalidResponse
    case unauthorized
    case server(status: Int, message: String?)

    var errorDescription: String? {
        switch self {
        case .invalidResponse:
            return "Ungültige Server-Antwort."
        case .unauthorized:
            return "Bitte erneut anmelden."
        case .server(let status, let message):
            if let msg = message, !msg.isEmpty { return msg }
            return "Fehler vom Server (HTTP \(status))."
        }
    }
}

extension Notification.Name {
    /// Posted when any API call returns HTTP 401 — AuthSession listens and
    /// logs out so the user lands back on the LoginView.
    static let apiUnauthorized = Notification.Name("BanYaroGo.apiUnauthorized")
}