import Foundation

/// Vom App-Target geschrieben, vom Widget-Target gelesen — über die App Group
/// `group.app.banyaro.ios` geteilt. Bewusst in beiden Targets identisch
/// dupliziert (statt Shared/-pbxproj-Handarbeit); JSON-kompatibel.
struct HomeWidgetData: Codable {
    var dogName: String
    var photoJPEG: Data?
    var nextAppointment: String?
    var diaryCount: Int?
    var updatedAt: Date
}

enum HomeWidgetStore {
    static let appGroup = "group.app.banyaro.ios"
    static let key = "homeWidgetData"

    static func save(_ data: HomeWidgetData) {
        guard let defaults = UserDefaults(suiteName: appGroup),
              let encoded = try? JSONEncoder().encode(data) else { return }
        defaults.set(encoded, forKey: key)
    }

    static func load() -> HomeWidgetData? {
        guard let defaults = UserDefaults(suiteName: appGroup),
              let data = defaults.data(forKey: key) else { return nil }
        return try? JSONDecoder().decode(HomeWidgetData.self, from: data)
    }

    static func clear() {
        UserDefaults(suiteName: appGroup)?.removeObject(forKey: key)
    }
}