import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import '../../../l10n/app_localizations.dart';

class BlockCardScreen extends StatefulWidget {
  const BlockCardScreen({super.key});

  @override
  State<BlockCardScreen> createState() => _BlockCardScreen();
}

class _BlockCardScreen extends State<BlockCardScreen> {
  final _formKey = GlobalKey<FormState>();
  final _cardController = TextEditingController();
  final _cvvController = TextEditingController();
  final _expiryController = TextEditingController();
  final _phoneController = TextEditingController();

  Future<void> _pickExpiryDate() async {
    final now = DateTime.now();
    final selectedDate = await showDatePicker(
      context: context,
      initialDate: now,
      firstDate: now,
      lastDate: DateTime(now.year + 10),
    );
    if (selectedDate != null) {
      _expiryController.text = DateFormat('dd/MM/yyyy').format(selectedDate);
    }
  }

  void _blockCard() {
    if (_formKey.currentState?.validate() ?? false) {
      // Call your backend logic here

      final snackBar = SnackBar(
        content: Text(AppLocalizations.of(context).cardBlocked),
        action: SnackBarAction(
          label: 'X',
          onPressed: () {
            // Just close the SnackBar
          },
          textColor: Theme.of(context).dialogBackgroundColor,
        ),
        backgroundColor: Colors.black,
        behavior: SnackBarBehavior.floating,
      );

      ScaffoldMessenger.of(context).showSnackBar(snackBar);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
          AppLocalizations.of(context).blockCard,
          style:
              const TextStyle(color: Colors.black, fontWeight: FontWeight.w500),
        ),
        centerTitle: false,
      ),
      body: Padding(
        padding: const EdgeInsets.all(10.0),
        child: Form(
          key: _formKey,
          child: ListView(
            children: [
              const SizedBox(height: 10),
              TextFormField(
                controller: _cardController,
                decoration: InputDecoration(
                  labelText: AppLocalizations.of(context).cardNumber,
                  border: const OutlineInputBorder(),
                  isDense: true,
                  filled: true,
                  fillColor: Theme.of(context).scaffoldBackgroundColor,
                  enabledBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: Colors.black),
                  ),
                  focusedBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: Colors.black, width: 2),
                  ),
                ),
                keyboardType: TextInputType.number,
                textInputAction: TextInputAction.next,
                validator: (value) => value != null && value.length == 11
                    ? null
                    : AppLocalizations.of(context).enterValidCardNumber,
              ),
              const SizedBox(height: 24),
              Row(
                children: [
                  Expanded(
                    child: TextFormField(
                      controller: _cvvController,
                      decoration: InputDecoration(
                        labelText: AppLocalizations.of(context).cvv,
                        border: const OutlineInputBorder(),
                        isDense: true,
                        filled: true,
                        fillColor: Theme.of(context).scaffoldBackgroundColor,
                        enabledBorder: const OutlineInputBorder(
                          borderSide: BorderSide(color: Colors.black),
                        ),
                        focusedBorder: const OutlineInputBorder(
                          borderSide: BorderSide(color: Colors.black, width: 2),
                        ),
                      ),
                      keyboardType: TextInputType.number,
                      textInputAction: TextInputAction.next,
                      obscureText: true,
                      validator: (value) => value != null && value.length == 3
                          ? null
                          : AppLocalizations.of(context).cvv3Digits,
                    ),
                  ),
                  const SizedBox(width: 16),
                  Expanded(
                    child: TextFormField(
                      controller: _expiryController,
                      readOnly: true,
                      onTap: _pickExpiryDate,
                      decoration: InputDecoration(
                        labelText: AppLocalizations.of(context).expiryDate,
                        suffixIcon: const Icon(Icons.calendar_today),
                        border: const OutlineInputBorder(),
                        isDense: true,
                        filled: true,
                        fillColor: Theme.of(context).scaffoldBackgroundColor,
                        enabledBorder: const OutlineInputBorder(
                          borderSide: BorderSide(color: Colors.black),
                        ),
                        focusedBorder: const OutlineInputBorder(
                          borderSide: BorderSide(color: Colors.black, width: 2),
                        ),
                      ),
                      validator: (value) => value != null && value.isNotEmpty
                          ? null
                          : AppLocalizations.of(context).selectExpiryDate,
                    ),
                  ),
                ],
              ),
              const SizedBox(height: 24),
              TextFormField(
                controller: _phoneController,
                decoration: InputDecoration(
                  labelText: AppLocalizations.of(context).phone,
                  prefixIcon: const Icon(Icons.phone),
                  border: const OutlineInputBorder(),
                  isDense: true,
                  filled: true,
                  fillColor: Theme.of(context).scaffoldBackgroundColor,
                  enabledBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: Colors.black),
                  ),
                  focusedBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: Colors.black, width: 2),
                  ),
                ),
                textInputAction: TextInputAction.done,
                keyboardType: TextInputType.phone,
                validator: (value) => value != null && value.length >= 10
                    ? null
                    : AppLocalizations.of(context).enterValidPhone,
              ),
              const SizedBox(height: 45),
              Align(
                alignment: Alignment.center,
                child: SizedBox(
                  width: 250,
                  child: ElevatedButton(
                    onPressed: _blockCard,
                    style: ElevatedButton.styleFrom(
                      shape: const StadiumBorder(),
                      padding: const EdgeInsets.symmetric(vertical: 16),
                      backgroundColor: Theme.of(context).primaryColor,
                      foregroundColor:
                          Theme.of(context).scaffoldBackgroundColor,
                    ),
                    child: Text(AppLocalizations.of(context).block),
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}