Added new complication target for the new SwiftUI Complications

nightguard Complication/Assets.xcassets/AccentColor.colorset/Contents.json

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+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

nightguard Complication/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "watchos",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

nightguard Complication/Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

nightguard Complication/Assets.xcassets/WidgetBackground.colorset/Contents.json

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+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

nightguard Complication/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.widgetkit-extension</string>
+	</dict>
+</dict>
+</plist>

nightguard Complication/nightguard_Complication.intentdefinition

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>INEnums</key>
+	<array/>
+	<key>INIntentDefinitionModelVersion</key>
+	<string>1.2</string>
+	<key>INIntentDefinitionNamespace</key>
+	<string>88xZPY</string>
+	<key>INIntentDefinitionSystemVersion</key>
+	<string>20A294</string>
+	<key>INIntentDefinitionToolsBuildVersion</key>
+	<string>12A6144</string>
+	<key>INIntentDefinitionToolsVersion</key>
+	<string>12.0</string>
+	<key>INIntents</key>
+	<array>
+		<dict>
+			<key>INIntentCategory</key>
+			<string>information</string>
+			<key>INIntentDescriptionID</key>
+			<string>tVvJ9c</string>
+			<key>INIntentEligibleForWidgets</key>
+			<true/>
+			<key>INIntentIneligibleForSuggestions</key>
+			<true/>
+			<key>INIntentName</key>
+			<string>Configuration</string>
+			<key>INIntentResponse</key>
+			<dict>
+				<key>INIntentResponseCodes</key>
+				<array>
+					<dict>
+						<key>INIntentResponseCodeName</key>
+						<string>success</string>
+						<key>INIntentResponseCodeSuccess</key>
+						<true/>
+					</dict>
+					<dict>
+						<key>INIntentResponseCodeName</key>
+						<string>failure</string>
+					</dict>
+				</array>
+			</dict>
+			<key>INIntentTitle</key>
+			<string>Configuration</string>
+			<key>INIntentTitleID</key>
+			<string>gpCwrM</string>
+			<key>INIntentType</key>
+			<string>Custom</string>
+			<key>INIntentVerb</key>
+			<string>View</string>
+		</dict>
+	</array>
+	<key>INTypes</key>
+	<array/>
+</dict>
+</plist>

nightguard Complication/nightguard_Complication.swift

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+//
+//  nightguard_Complication_Extension.swift
+//  nightguard Complication Extension
+//
+//  Created by Dirk Hermanns on 02.04.23.
+//  Copyright © 2023 private. All rights reserved.
+//
+
+import WidgetKit
+import SwiftUI
+import Intents
+
+struct nightguard_Complication_ExtensionEntryView : View {
+
+    @Environment(\.widgetFamily) var widgetFamily
+    var entry: NightscoutDataEntry
+
+    var body: some View {
+        switch widgetFamily {
+            case .accessoryCorner:
+                AccessoryInlineView(entry: entry)
+            case .accessoryCircular:
+                AccessoryInlineView(entry: entry)
+            case .accessoryInline:
+                AccessoryInlineView(entry: entry)
+            case .accessoryRectangular:
+                AccessoryRectangularView(entry: entry)
+            @unknown default:
+                //mandatory as there are more widget families as in lockscreen widgets etc
+                Text("Not an implemented widget yet")
+        }
+    }
+}
+
+@main
+struct nightguard_Complication_Extension: Widget {
+    let kind: String = "nightguard_Complication_Extension"
+
+    var body: some WidgetConfiguration {
+        IntentConfiguration(kind: kind, intent: ConfigurationIntent.self, provider: NightguardTimelineProvider()) { entry in
+            nightguard_Complication_ExtensionEntryView(entry: entry)
+        }
+        .configurationDisplayName("BG Values")
+        .description("Nightguard BG Values Complication")
+    }
+}
+
+struct nightguard_Complication_Extension_Previews: PreviewProvider {
+    static var previews: some View {
+        nightguard_Complication_ExtensionEntryView(entry: NightscoutDataEntry(date: Date(), configuration: ConfigurationIntent()))
+            .previewContext(WidgetPreviewContext(family: .accessoryRectangular))
+    }
+}

nightguard Widget Extension/AccessoryInlineView.swift

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+//
+//  AccessoryInlineView.swift
+//  nightguard
+//
+//  Created by Dirk Hermanns on 02.04.23.
+//  Copyright © 2023 private. All rights reserved.
+//
+
+import Foundation
+import SwiftUI
+import WidgetKit
+
+struct AccessoryInlineView : View {
+
+    var entry: NightscoutDataEntry
+
+    var body: some View {
+        Text("| \(Date(timeIntervalSince1970: entry.time.doubleValue / 1000).toLocalTimeString()) " + "\(UnitsConverter.mgdlToDisplayUnits(entry.sgv))\(UnitsConverter.mgdlToDisplayUnits(entry.bgdeltaString))\(entry.bgdeltaArrow)")
+
+            .widgetAccentable(true)
+            .unredacted()
+    }
+}

nightguard Widget Extension/AccessoryRectangularView.swift

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+//
+//  AccessoryRectangularView.swift
+//  nightguard
+//
+//  Created by Dirk Hermanns on 02.04.23.
+//  Copyright © 2023 private. All rights reserved.
+//
+
+import Foundation
+import SwiftUI
+import WidgetKit
+
+struct AccessoryRectangularView : View {
+
+    var entry: NightscoutDataEntry
+
+    var body: some View {
+        Text("| \(Date(timeIntervalSince1970: entry.time.doubleValue / 1000).toLocalTimeString()) " + "\(UnitsConverter.mgdlToDisplayUnits(entry.sgv))\(UnitsConverter.mgdlToDisplayUnits(entry.bgdeltaString))\(entry.bgdeltaArrow)")
+
+            .widgetAccentable(true)
+            .unredacted()
+    }
+}

nightguard Widget Extension/NightguardTimelineProvider.swift

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+//
+//  NightguardTimelineProvider.swift
+//  nightguard
+//
+//  Created by Dirk Hermanns on 02.04.23.
+//  Copyright © 2023 private. All rights reserved.
+//
+
+import Foundation
+import WidgetKit
+
+struct NightguardTimelineProvider: IntentTimelineProvider {
+
+    func recommendations() -> [IntentRecommendation<ConfigurationIntent>] {
+        return [
+            IntentRecommendation(intent: ConfigurationIntent(), description: "BG Values")
+        ]
+    }
+
+
+    func placeholder(in context: Context) -> NightscoutDataEntry {
+
+        NightscoutDataEntry(configuration: ConfigurationIntent())
+    }
+
+    func getSnapshot(for configuration: ConfigurationIntent, in context: Context, completion: @escaping (NightscoutDataEntry) -> ()) {
+
+        completion(getTimelineData(configuration: configuration))
+    }
+
+    func getTimeline(for configuration: ConfigurationIntent, in context: Context, completion: @escaping (Timeline<NightscoutDataEntry>) -> ()) {
+
+        var entries: [NightscoutDataEntry] = []
+
+        entries.append(getTimelineData(configuration: configuration))
+
+        let timeline = Timeline(entries: entries, policy: .atEnd)
+        completion(timeline)
+    }
+
+    private func getTimelineData(configuration: ConfigurationIntent) -> NightscoutDataEntry {
+        let data = NightscoutDataRepository.singleton.loadCurrentNightscoutData()
+
+        let entry = NightscoutDataEntry(
+            date: Date(timeIntervalSince1970: data.time.doubleValue / 1000),
+            sgv: data.sgv,
+            bgdeltaString: data.bgdeltaString,
+            bgdeltaArrow: data.bgdeltaArrow,
+            bgdelta: data.bgdelta,
+            time: data.time,
+            battery: data.battery,
+            iob: data.iob,
+            cob: data.cob,
+            configuration: configuration)
+
+        return entry
+    }
+}

nightguard Widget Extension/NightscoutDataEntry.swift

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+//
+//  NightscoutDataEntry.swift
+//  nightguard
+//
+//  Created by Dirk Hermanns on 02.04.23.
+//  Copyright © 2023 private. All rights reserved.
+//
+
+import Foundation
+import WidgetKit
+import Intents
+
+struct NightscoutDataEntry: TimelineEntry {
+
+    var date: Date = Date()
+
+    var sgv : String = "---"
+    // the delta Value in Display Units
+    var bgdeltaString : String = "---"
+    var bgdeltaArrow : String = "-"
+    // the delta value in mgdl
+    var bgdelta : Float = 0.0
+    var hourAndMinutes : String {
+        get {
+            if time == 0 {
+                return "??:??"
+            }
+            let formatter = DateFormatter()
+            formatter.dateFormat = "HH:mm"
+
+            let date = Date.init(timeIntervalSince1970: Double(time.int64Value / 1000))
+            return formatter.string(from: date)
+        }
+    }
+    var timeString : String {
+        get {
+            if time == 0 {
+                return "-min"
+            }
+
+            // trick: when displaying the time, we'll add 30 seconds to current time for showing the difference like Nightscout does (0-30 seconds: "0 mins", 31-90 seconds: "1 min", ...)
+            let thirtySeconds = Int64(30 * 1000)
+
+            // calculate how old the current data is
+            let currentTime = Int64(Date().timeIntervalSince1970 * 1000) + thirtySeconds
+            let difference = (currentTime - time.int64Value) / 60000
+            if difference > 59 {
+                return ">1Hr"
+            }
+            return String(difference) + "min"
+        }
+    }
+    var time : NSNumber = 0
+    var battery : String = "---"
+    var iob : String = ""
+    var cob : String = ""
+    let configuration: ConfigurationIntent
+}