feat: complete widget support

targets/widget/AppIntent.swift

@@ -1,11 +1,80 @@
 import WidgetKit
 import AppIntents
 
-struct ConfigurationAppIntent: WidgetConfigurationIntent {
-    static var title: LocalizedStringResource { "Configuration" }
-    static var description: IntentDescription { "This is an example widget." }
+// MARK: - Shared Data Access
 
-    // An example configurable parameter.
-    @Parameter(title: "Favorite Emoji", default: "😃")
-    var favoriteEmoji: String
+struct SharedDeviceData {
+    static let appGroupIdentifier = "group.abunchofknowitalls.remotewol-upsnap"
+    
+    static var sharedDefaults: UserDefaults? {
+        UserDefaults(suiteName: appGroupIdentifier)
+    }
+    
+    static func getDevices() -> [DeviceInfo] {
+        guard let defaults = sharedDefaults,
+              let jsonString = defaults.string(forKey: "devices"),
+              let data = jsonString.data(using: .utf8),
+              let devices = try? JSONDecoder().decode([DeviceInfo].self, from: data) else {
+            return []
+        }
+        return devices
+    }
+    
+    static func getDevice(id: String) -> DeviceInfo? {
+        return getDevices().first { $0.id == id }
+    }
+}
+
+// MARK: - Device Model
+
+struct DeviceInfo: Codable, Hashable, Identifiable {
+    let id: String
+    let name: String
+    let mac: String
+    let ip: String
+    let status: String
+}
+
+// MARK: - Device Entity for AppIntents
+
+struct DeviceEntity: AppEntity {
+    static var typeDisplayRepresentation: TypeDisplayRepresentation = "Device"
+    static var defaultQuery = DeviceQuery()
+    
+    var id: String
+    var name: String
+    var mac: String
+    
+    var displayRepresentation: DisplayRepresentation {
+        DisplayRepresentation(title: "\(name)", subtitle: "\(mac)")
+    }
+}
+
+struct DeviceQuery: EntityQuery {
+    func entities(for identifiers: [String]) async throws -> [DeviceEntity] {
+        let devices = SharedDeviceData.getDevices()
+        return devices
+            .filter { identifiers.contains($0.id) }
+            .map { DeviceEntity(id: $0.id, name: $0.name, mac: $0.mac) }
+    }
+    
+    func suggestedEntities() async throws -> [DeviceEntity] {
+        let devices = SharedDeviceData.getDevices()
+        return devices.map { DeviceEntity(id: $0.id, name: $0.name, mac: $0.mac) }
+    }
+    
+    func defaultResult() async -> DeviceEntity? {
+        let devices = SharedDeviceData.getDevices()
+        return devices.first.map { DeviceEntity(id: $0.id, name: $0.name, mac: $0.mac) }
+    }
+}
+
+// MARK: - Widget Configuration Intent
+
+struct ConfigurationAppIntent: WidgetConfigurationIntent {
+    static var title: LocalizedStringResource { "Device Control" }
+    static var description: IntentDescription { "Select a device to control from your home screen." }
+
+    @Parameter(title: "Device")
+    var device: DeviceEntity?
 }