import WidgetKit
import SwiftUI
import Intents

struct WidgetData: Decodable {
   var text: String
}

struct Provider: IntentTimelineProvider {
   func placeholder(in context: Context) -> SimpleEntry {
      SimpleEntry(date: Date(), configuration: ConfigurationIntent(), text: "Placeholder")
  }

  func getSnapshot(for configuration: ConfigurationIntent, in context: Context, completion: @escaping (SimpleEntry) -> ()) {
      let entry = SimpleEntry(date: Date(), configuration: configuration, text: "Data goes here")
      completion(entry)
  }

   func getTimeline(for configuration: ConfigurationIntent, in context: Context, completion: @escaping (Timeline<SimpleEntry>) -> Void) {
      let userDefaults = UserDefaults.init(suiteName: "group.streak")
      if userDefaults != nil {
        let entryDate = Date()
        if let savedData = userDefaults!.value(forKey: "widgetKey") as? String {
            let decoder = JSONDecoder()
            let data = savedData.data(using: .utf8)
            if let parsedData = try? decoder.decode(WidgetData.self, from: data!) {
                let nextRefresh = Calendar.current.date(byAdding: .minute, value: 5, to: entryDate)!
                let entry = SimpleEntry(date: nextRefresh, configuration: configuration, text: parsedData.text)
                let timeline = Timeline(entries: [entry], policy: .atEnd)
                completion(timeline)
            } else {
                print("Could not parse data")
            }
        } else {
            let nextRefresh = Calendar.current.date(byAdding: .minute, value: 5, to: entryDate)!
            let entry = SimpleEntry(date: nextRefresh, configuration: configuration, text: "No data set")
            let timeline = Timeline(entries: [entry], policy: .atEnd)
            completion(timeline)
        }
      }
  }
}

struct SimpleEntry: TimelineEntry {
   let date: Date
      let configuration: ConfigurationIntent
      let text: String
}

struct StreakWidgetEntryView : View {
  var entry: Provider.Entry

  var body: some View {
    HStack {
      VStack(alignment: .leading, spacing: 0) {
        HStack(alignment: .center) {
          Image("streak")
            .resizable()
            .aspectRatio(contentMode: .fit)
            .frame(width: 37, height: 37)
          Text(entry.text)
            .foregroundColor(Color(red: 1.00, green: 0.59, blue: 0.00))
            .font(Font.system(size: 21, weight: .bold, design: .rounded))
            .padding(.leading, -8.0)
        }
        .padding(.top, 10.0)
        .frame(maxWidth: .infinity)
        Text("Way to go!")
          .foregroundColor(Color(red: 0.69, green: 0.69, blue: 0.69))
          .font(Font.system(size: 14))
          .frame(maxWidth: .infinity)
        Image("duo")
          .renderingMode(.original)
          .resizable()
          .aspectRatio(contentMode: .fit)
          .frame(maxWidth: .infinity)

      }
    }
    .frame(maxWidth: .infinity, maxHeight: .infinity)
  }
}

@main
struct StreakWidget: Widget {
  let kind: String = "StreakWidget"

  var body: some WidgetConfiguration {
    IntentConfiguration(kind: kind, intent: ConfigurationIntent.self, provider: Provider()) { entry in
      StreakWidgetEntryView(entry: entry)
    }
    .configurationDisplayName("My Widget")
    .description("This is an example widget.")
  }
}

struct StreakWidget_Previews: PreviewProvider {
  static var previews: some View {
    StreakWidgetEntryView(entry: SimpleEntry(date: Date(), configuration: ConfigurationIntent(), text: "Widget preview"))
      .previewContext(WidgetPreviewContext(family: .systemSmall))
  }
}

let userDefaults = UserDefaults.init(suiteName: "group.streak")

let savedData = userDefaults!.value(forKey: "widgetKey")

let parsedData = try? decoder.decode(WidgetData.self, from: data!)

let nextRefresh = Calendar.current.date(byAdding: .minute, value: 5, to: entryDate)!

packages.add(new SharedStoragePackager());

package com.rnwidget;

import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.widget.RemoteViews;
import android.content.SharedPreferences;

import org.json.JSONException;
import org.json.JSONObject;

/**
 * Implementation of App Widget functionality.
 */
public class StreakWidget extends AppWidgetProvider {

    static void updateAppWidget(Context context, AppWidgetManager appWidgetManager,
                                int appWidgetId) {

        try {
            SharedPreferences sharedPref = context.getSharedPreferences("DATA", Context.MODE_PRIVATE);
            String appString = sharedPref.getString("appData", "{\"text\":'no data'}");
            JSONObject appData = new JSONObject(appString);
            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.streak_widget);
            views.setTextViewText(R.id.appwidget_text, appData.getString("text"));
            appWidgetManager.updateAppWidget(appWidgetId, views);
        }catch (JSONException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        // There may be multiple widgets active, so update all of them
        for (int appWidgetId : appWidgetIds) {
            updateAppWidget(context, appWidgetManager, appWidgetId);
        }
    }

    @Override
    public void onEnabled(Context context) {
        // Enter relevant functionality for when the first widget is created
    }

    @Override
    public void onDisabled(Context context) {
        // Enter relevant functionality for when the last widget is disabled
    }
}