class TestScreen extends StatelessWidget {
  const TestScreen({super.key});

  @override
  Widget build(BuildContext context) {
    var controller = TextEditingController();
    var controllerAge = TextEditingController();

    Future<Box<Person>> _openPersonBox() async {
      return await Hive.openBox<Person>('peopleBox');
    }

    Future<Box<List<int>>> _openKeysBox() async {
      return await Hive.openBox<List<int>>('sortedKeysBox');
    }

    int _findInsertionIndex(List<int> keys, int newAge, Box<Person> box) {
      int low = 0;
      int high = keys.length;
      while (low < high) {
        int mid = (low + high) ~/ 2;
        int midAge = box.get(keys[mid])!.age;
        if (midAge < newAge) {
          low = mid + 1;
        } else {
          high = mid;
        }
      }
      return low;
    }

    return Scaffold(
      body: Column(
        spacing: 10,
        children: [
          10.verticalSpace,
          AppForm(
            controller: controller,
            hintText: "name",
          ),
          AppForm(
            controller: controllerAge,
            hintText: "age",
          ),
          MyButton(
            text: "Add",
            onPressed: () async {
              Box<Person> personBox = await _openPersonBox();
              Box<List<int>> keysBox = await _openKeysBox();

              for (int i = 0; i < 100000; i++) {
                int newAge = Random().nextInt(100000);
                Person newPerson = Person(controller.text, newAge);
                int newKey = await personBox.add(newPerson);
                List<int> sortedKeys = keysBox.get('sortedKeys') ?? <int>[];
                int index = _findInsertionIndex(sortedKeys, newAge, personBox);
                sortedKeys.insert(index, newKey);
                await keysBox.put('sortedKeys', sortedKeys);
              }
            },
          ),
          MyButton(
            text: "get Data",
            onPressed: () async {
              Box<Person> personBox = await _openPersonBox();
              Box<List<int>> keysBox = await _openKeysBox();
              List<int> sortedKeys = keysBox.get('sortedKeys') ?? <int>[];
              sortedKeys.forEach((key) {
                Person? person = personBox.get(key);
                if (person != null) {
                  print('Name: ${person.name}, Age: ${person.age}');
                }
              });
            },
          ),
          ListView.builder(
            itemBuilder: (context, index) {
              return ListTile(
                title: Text("Name: ${index}"),
                subtitle: Text("Age: ${index}"),
              );
            },
          )
        ],
      ),
    );
  }
}