allscore_app/lib/dialogs/survey_dialog.dart

import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../survey/survey_page.dart';

/// Shows the survey modal (팝업(모달) 자체를 보여주는 함수)
Future<void> showSurveyDialog(BuildContext context, String nickname) async {
  showDialog(
    context: context,
    barrierDismissible: false, // 바깥 영역 터치로 닫기 방지
    builder: (_) => SurveyDialog(nickname: nickname),
  );
}

/// The actual AlertDialog widget (실제 AlertDialog 형태의 위젯)
class SurveyDialog extends StatefulWidget {
  final String nickname;

  const SurveyDialog({
    Key? key,
    required this.nickname,
  }) : super(key: key);

  @override
  State<SurveyDialog> createState() => _SurveyDialogState();
}

class _SurveyDialogState extends State<SurveyDialog> {
  bool _todayNotSee = false; 
  // "오늘 하루 보지 않기" 체크 여부

  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      title: const Text('Survey Participation Notice'), 
      // '설문 참여 안내'
      content: SingleChildScrollView(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            const Text(
              'Hello, thank you for using the "ALLSCORE" app.\n\n'
              'We have prepared a simple survey to provide better service.\n'
              'Your participation will greatly help the app’s improvement!\n'
              '(It takes about 1 minute.)'
              // '안녕하세요, "올스코어" 앱을 이용해주셔서 감사합니다.\n\n'
              // '더 나은 서비스 제공을 위해 간단한 설문조사를 준비했습니다.\n'
              // '설문조사에 참여해주시면 앱 발전에 큰 도움이 됩니다!\n'
              // '(약 1분 소요)'
            ),
            const SizedBox(height: 16),
            // "Today do not see again" checkbox ("오늘 하루 보지 않기" 체크박스)
            Row(
              children: [
                Checkbox(
                  value: _todayNotSee,
                  onChanged: (val) {
                    setState(() {
                      _todayNotSee = val ?? false;
                    });
                  },
                ),
                const Text('Do not show again today'),
                // '오늘 하루 보지 않기'
              ],
            ),
          ],
        ),
      ),
      actions: [
        // "Close" button ("닫기" 버튼)
        TextButton(
          onPressed: () async {
            // If "Do not show again today" is checked, store in SharedPreferences
            // (오늘 하루 보지 않기를 체크했다면, SharedPreferences 저장)
            if (_todayNotSee) {
              final prefs = await SharedPreferences.getInstance();
              // e.g. survey_popup_today = 'Y'
              await prefs.setString('survey_popup_today', 'Y');
            }
            Navigator.pop(context); // close popup (팝업 닫기)
          },
          style: TextButton.styleFrom(backgroundColor: Colors.grey),
          child: const Text(
            'Close', 
            // '닫기'
            style: TextStyle(color: Colors.white),
          ),
        ),
        // "Participate in Survey" button ("설문 참여" 버튼)
        TextButton(
          onPressed: () async {
            // If "Do not show again today" is checked, store in SharedPreferences
            // (오늘 하루 보지 않기를 체크했다면, SharedPreferences 저장)
            if (_todayNotSee) {
              final prefs = await SharedPreferences.getInstance();
              await prefs.setString('survey_popup_today', 'Y');
            }
            Navigator.pop(context); // close popup (팝업 닫고)
            // Navigate to the temporary survey page (임시 설문 페이지로 이동)
            Navigator.push(
              context,
              MaterialPageRoute(builder: (_) => SurveyPage(nickname: widget.nickname)),
            );
          },
          style: TextButton.styleFrom(backgroundColor: Colors.black),
          child: const Text(
            'Participate in Survey', 
            // '설문 참여'
            style: TextStyle(color: Colors.white),
          ),
        ),
      ],
    );
  }
}