mnemo_cards/lib/widgets/enter_promo_code_widget.dart

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:mnemo_cards/di/locator.dart';
import 'package:mnemo_cards/theme/themes.dart';
import 'package:mnemo_cards/widgets/simple_tile.dart';

class EnterPromoCodeWidget extends StatefulWidget {
  const EnterPromoCodeWidget();

  @override
  State<StatefulWidget> createState() => _EnterPromoCodeState();
}

class _EnterPromoCodeState extends State<EnterPromoCodeWidget> {
  final TextEditingController controller = TextEditingController();

  String? message;

  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisSize: MainAxisSize.min,
      children: [
        SimpleTile(
          title: Row(
            children: [
              Text('Промокод'),
              SizedBox(
                width: 16.w,
              ),
              Expanded(
                child: TextField(
                  // cursorHeight: 17.h,
                  controller: controller,
                  textAlignVertical: TextAlignVertical.center,
                  style: TextStyle(fontSize: 17.sp),
                  decoration: InputDecoration(
                    contentPadding: EdgeInsets.all(8.0),
                    border: OutlineInputBorder(
                      borderRadius: BorderRadius.circular(12),
                    ),
                  ),
                ),
              ),
              SizedBox(
                width: 8.w,
              ),
            ],
          ),
          trail: GestureDetector(
            onTap: () async {
              final result = await locator.userManager.applyPromocode(
                controller.text,
              );
              if (result.success == true) {
                controller.clear();
              }
              setState(() {
                message = result.message;
              });
              FocusScope.of(context).unfocus();
            },
            child: AspectRatio(
              aspectRatio: 1.0,
              child: Container(
                alignment: Alignment.center,
                decoration: BoxDecoration(
                  color: progressBlue,
                  borderRadius: BorderRadius.circular(12.0),
                ),
                child: Image.asset(
                  'icons/gift.png',
                  width: 17.w,
                  color: Theme.of(context).colorScheme.primary,
                ),
              ),
            ),
          ),
        ),
        if (message != null && message!.isNotEmpty)
          Padding(
            padding: const EdgeInsets.symmetric(vertical: 4.0),
            child: Text(message!),
          ),
      ],
    );
  }
}