import 'package:counters/counters.dart';
import 'package:counters/datbase.dart';
import 'package:counters/value.dart';
import 'package:datetime_picker_formfield/datetime_picker_formfield.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:intl/intl.dart';

class NewValuePage extends StatelessWidget {
  NewValuePage({super.key, required this.counter});

  factory NewValuePage.forCounter({required Counter counter}) {
    switch (counter.counterType) {
      case CounterType.coldWater:
        return NewValuePageWithOneRate(counter: counter);
      case CounterType.hotWater:
        return NewValuePageWithOneRate(counter: counter);
      case CounterType.gas:
        return NewValuePageWithOneRate(counter: counter);
      case CounterType.electrisity1rates:
        return NewValuePageWithOneRate(counter: counter);
      case CounterType.electrisity2rates:
        return NewValuePageWithTwoRates(counter: counter);
      case CounterType.electrisity3rates:
        return NewValuePageWithThreeRates(counter: counter);
    }
  }

  final Counter counter;
  final dataFormat = DateFormat("dd-MM-yyyy");

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
          backgroundColor: Theme.of(context).colorScheme.inversePrimary,
          title: Text(AppLocalizations.of(context)!.new_value_title)),
      body: SizedBox.shrink(),
    );
  }
}

class NewValuePageWithOneRate extends NewValuePage {
  final valueController = TextEditingController();
  final dateController = TextEditingController();
  NewValuePageWithOneRate({super.key, required super.counter});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
          backgroundColor: Theme.of(context).colorScheme.inversePrimary,
          title: Text(AppLocalizations.of(context)!.new_value_title)),
      body: Padding(
        padding: const EdgeInsets.all(8.0),
        child: Center(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              DateTimeField(
                format: dataFormat,
                initialValue: DateTime.now(),
                controller: dateController,
                onShowPicker: (context, currentValue) async {
                  final date = await showDatePicker(
                    context: context,
                    initialDate: currentValue ?? DateTime.now(),
                    firstDate: DateTime(2000),
                    lastDate: DateTime(2100),
                  );
                  return date;
                },
              ),
              const SizedBox(height: 20),
              TextField(
                  controller: valueController,
                  inputFormatters: [
                    FilteringTextInputFormatter.allow(RegExp(r'(^-?\d*\.?\d*)'))
                  ],
                  decoration: InputDecoration(
                      label:
                          Text(AppLocalizations.of(context)!.new_value_title),
                      //hintStyle: const TextStyle(color: Colors.blue),
                      hintText: '0.0',
                      suffixText:
                          counter.counterType.getUnits().getLabel(context))),
              const SizedBox(height: 50),
              TextButton(
                  onPressed: () {
                    DBProvider.db
                        .newValue(Value(
                            counterId: counter.id!,
                            date: dataFormat.parse(dateController.text).toUtc(),
                            rate1Id: 0,
                            value1:
                                double.tryParse(valueController.text) ?? 0.0,
                            value2: 0,
                            value3: 0))
                        .then((value) => Navigator.pop(context));
                  },
                  child: Text(
                      AppLocalizations.of(context)!.add_new_address_button))
            ],
          ),
        ),
      ),
    );
  }
}

class NewValuePageWithTwoRates extends NewValuePage {
  final value1Controller = TextEditingController();
  final value2Controller = TextEditingController();
  final dateController = TextEditingController();
  NewValuePageWithTwoRates({super.key, required super.counter});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
          backgroundColor: Theme.of(context).colorScheme.inversePrimary,
          title: Text(AppLocalizations.of(context)!.new_value_title)),
      body: Padding(
        padding: const EdgeInsets.all(8.0),
        child: Center(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              DateTimeField(
                format: DateFormat("dd-MM-yyyy"),
                initialValue: DateTime.now(),
                controller: dateController,
                onShowPicker: (context, currentValue) async {
                  final date = await showDatePicker(
                    context: context,
                    initialDate: currentValue ?? DateTime.now(),
                    firstDate: DateTime(2000),
                    lastDate: DateTime(2100),
                  );
                  return date;
                },
              ),
              const SizedBox(height: 20),
              TextField(
                  controller: value1Controller,
                  inputFormatters: [
                    FilteringTextInputFormatter.allow(RegExp(r'(^-?\d*\.?\d*)'))
                  ],
                  decoration: InputDecoration(
                      label:
                          Text(AppLocalizations.of(context)!.new_value_title),
                      //hintStyle: const TextStyle(color: Colors.blue),
                      hintText: '0.0',
                      suffixText:
                          counter.counterType.getUnits().getLabel(context))),
              TextField(
                  controller: value2Controller,
                  inputFormatters: [
                    FilteringTextInputFormatter.allow(RegExp(r'(^-?\d*\.?\d*)'))
                  ],
                  decoration: InputDecoration(
                      label:
                          Text(AppLocalizations.of(context)!.new_value_title),
                      //hintStyle: const TextStyle(color: Colors.blue),
                      hintText: '0.0',
                      suffixText:
                          counter.counterType.getUnits().getLabel(context))),
              const SizedBox(height: 50),
              TextButton(
                  onPressed: () {
                    DBProvider.db
                        .newValue(Value(
                            counterId: counter.id!,
                            date: dataFormat.parse(dateController.text).toUtc(),
                            rate1Id: 0,
                            value1:
                                double.tryParse(value1Controller.text) ?? 0.0,
                            value2:
                                double.tryParse(value2Controller.text) ?? 0.0,
                            value3: 0))
                        .then((value) => Navigator.pop(context));
                  },
                  child: Text(
                      AppLocalizations.of(context)!.add_new_address_button))
            ],
          ),
        ),
      ),
    );
  }
}

class NewValuePageWithThreeRates extends NewValuePage {
  NewValuePageWithThreeRates({super.key, required super.counter});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
          backgroundColor: Theme.of(context).colorScheme.inversePrimary,
          title: Text(AppLocalizations.of(context)!.new_value_title)),
      body: SizedBox.shrink(),
    );
  }
}