From 364ea48bcd7e0ce93d535686b03f981e6ffbf243 Mon Sep 17 00:00:00 2001
From: jusax23 <jusax23@gmail.com>
Date: Thu, 1 Jun 2023 20:23:13 +0200
Subject: [PATCH] randomize awnsers (seeded)

---
 lib/learn.dart | 51 ++++++++++++++++++++++++++++----------------------
 1 file changed, 29 insertions(+), 22 deletions(-)

diff --git a/lib/learn.dart b/lib/learn.dart
index b1d6af0..b03de55 100644
--- a/lib/learn.dart
+++ b/lib/learn.dart
@@ -1,3 +1,5 @@
+import 'dart:math';
+
 import 'package:flutter/material.dart';
 import 'package:ju_learn/main.dart';
 
@@ -12,6 +14,7 @@ class QuizPage extends StatefulWidget {
 }
 
 class _QuizPageState extends State<QuizPage> {
+  int runSeed = Random().nextInt(0xffffff);
   int run = 0;
   Question _currentQuestion = Question("Dummy", ["Dummy aws"], 0, "dummy");
   int askState = -1;
@@ -108,28 +111,32 @@ class _QuizPageState extends State<QuizPage> {
               ),
             ),
             const SizedBox(height: 20.0),
-            ..._currentQuestion.answers.map(
-              (option) {
-                return Container(
-                    margin: const EdgeInsets.symmetric(vertical: 8.0),
-                    child: FilledButton(
-                        onPressed: () => askState == -1
-                            ? _checkAnswer(
-                                _currentQuestion.answers.indexOf(option),
-                              )
-                            : _nextQuestion(),
-                        style: FilledButton.styleFrom(
-                          padding: const EdgeInsets.all(16.0),
-                          backgroundColor: askState == -1
-                              ? null
-                              : (_currentQuestion.correct ==
-                                      _currentQuestion.answers.indexOf(option)
-                                  ? Colors.green
-                                  : Colors.red),
-                        ),
-                        child: Text(option)));
-              },
-            ),
+            ...() {
+              var l = _currentQuestion.answers.map(
+                (option) {
+                  return Container(
+                      margin: const EdgeInsets.symmetric(vertical: 8.0),
+                      child: FilledButton(
+                          onPressed: () => askState == -1
+                              ? _checkAnswer(
+                                  _currentQuestion.answers.indexOf(option),
+                                )
+                              : _nextQuestion(),
+                          style: FilledButton.styleFrom(
+                            padding: const EdgeInsets.all(16.0),
+                            backgroundColor: askState == -1
+                                ? null
+                                : (_currentQuestion.correct ==
+                                        _currentQuestion.answers.indexOf(option)
+                                    ? Colors.green
+                                    : Colors.red),
+                          ),
+                          child: Text(option)));
+                },
+              ).toList();
+              l.shuffle(Random(run + runSeed));
+              return l;
+            }(),
             if (askState != -1)
               Text(
                 _currentQuestion.explanation,