import 'package:flutter/material.dart';

class BirthdayPicker extends StatefulWidget {
  final Function(DateTime) onDateSelected;
  final TextEditingController controller;

  const BirthdayPicker(
      {super.key, required this.onDateSelected, required this.controller});

  @override
  State<BirthdayPicker> createState() => _BirthdayPickerState();
}

class _BirthdayPickerState extends State<BirthdayPicker> {
  DateTime selectedDate =
      DateTime.now().subtract(const Duration(days: 365 * 20));

  Future<void> _selectDate(BuildContext context) async {
    final DateTime? picked = await showDatePicker(
      context: context,
      initialDate: selectedDate,
      firstDate: DateTime.now().subtract(const Duration(days: 365 * 120)),
      lastDate: DateTime.now(),
    );

    if (picked != null && picked != selectedDate) {
      setState(() {
        selectedDate = picked;
        widget.onDateSelected(selectedDate);
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return TextFormField(
      onTap: () {
        _selectDate(context);
      },
      readOnly: true,
      decoration: InputDecoration(
        labelText: 'Fecha de nacimiento',
        prefixIcon: const Icon(Icons.calendar_month_rounded),
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(10.0),
        ),
        errorBorder: OutlineInputBorder(
          borderSide: const BorderSide(color: Colors.red),
          borderRadius: BorderRadius.circular(10.0),
        ),
        focusedErrorBorder: OutlineInputBorder(
          borderSide: const BorderSide(color: Colors.red, width: 2.0),
          borderRadius: BorderRadius.circular(10.0),
        ),
      ),
      controller: widget.controller,
    );
  }
}