fonctionne parfaitement

client/src/components/LiveResults/LiveResultsTable/TableComponents/LiveResultsTableBody.tsx

@@ -40,7 +40,7 @@ const LiveResultsTableFooter: React.FC<LiveResultsFooterProps> = ({
                     </TableCell>
                     {Array.from({ length: maxQuestions }, (_, index) => {
                         const answer = student.answers.find(
-                            (answer) => parseInt(answer.idQuestion.toString()) === index + 1
+                            (answer) => parseInt(answer.idQuestion.toString()) === index 
                         );
                         const answerText = answer ? answer.answer.toString() : '';
                         const isCorrect = answer ? answer.isCorrect : false;

client/src/components/QuestionsDisplay/MultipleChoiceQuestionDisplay/MultipleChoiceQuestionDisplay.tsx

@@ -15,23 +15,18 @@ const MultipleChoiceQuestionDisplay: React.FC = () => {
     const answer = answers[Number(index)]?.answer;
     const question = questions[Number(index)].question as MultipleChoiceQuestion;
 
-    const [actualAnswer, setActualAnswer] = useState<AnswerType>(() => {
+    const [actualAnswer, setActualAnswer] = useState<AnswerType | undefined>(() => {
         if (answer !== undefined) {
             return answers[Number(index)].answer;
         }
-        return [];
+        return undefined;
     });
 
-    let disableButton = false;
-    if (submitAnswer === undefined) {
-        disableButton = true;
-    }
-
     useEffect(() => {
         if (answer !== undefined) {
             setActualAnswer(answer);
         } else {
-            setActualAnswer([]);
+            setActualAnswer(undefined);
         }
     }, [index]);
 
@@ -42,15 +37,15 @@ const MultipleChoiceQuestionDisplay: React.FC = () => {
 
             if (correctAnswersCount === 1) {
                 // If only one correct answer, replace the current selection
-                return answer.includes(choice) ? [] : [choice];
+                return answer?.includes(choice) ? [] : [choice];
             } else {
                 // Allow multiple selections if there are multiple correct answers
-                if (answer.includes(choice)) {
+                if (answer?.includes(choice)) {
                     // Remove the choice if it's already selected
                     return answer.filter((selected) => selected !== choice);
                 } else {
                     // Add the choice if it's not already selected
-                    return [...answer, choice];
+                    return [...(answer || []), choice];
                 }
             }
         });
@@ -69,13 +64,13 @@ const MultipleChoiceQuestionDisplay: React.FC = () => {
                     <div className="choices-wrapper mb-1">
                         {question.choices.map((choice, i) => {
                             console.log(`answer: ${actualAnswer}, choice: ${choice.formattedText.text}`);
-                            const selected = actualAnswer.includes(choice.formattedText.text) ? 'selected' : '';
+                            const selected = actualAnswer?.includes(choice.formattedText.text) ? 'selected' : '';
                             return (
                                 <div key={choice.formattedText.text + i} className="choice-container">
                                     <Button
                                         variant="text"
                                         className="button-wrapper"
-                                        disabled={disableButton || isTeacherMode}
+                                        disabled={isTeacherMode}
                                         onClick={() => !showAnswer && handleOnClickAnswer(choice.formattedText.text)}
                                     >
                                         {showAnswer ? (
@@ -120,7 +115,7 @@ const MultipleChoiceQuestionDisplay: React.FC = () => {
                             onClick={() =>
                                 actualAnswer !== undefined && submitAnswer && submitAnswer(actualAnswer)
                             }
-                            disabled={actualAnswer === undefined}
+                            disabled={actualAnswer === undefined || actualAnswer.length === 0}
                         >
                             Répondre
                         </Button>

client/src/components/QuestionsDisplay/TrueFalseQuestionDisplay/TrueFalseQuestionDisplay.tsx

@@ -23,11 +23,6 @@ const TrueFalseQuestionDisplay: React.FC = () => {
         return undefined;
     });
 
-    let disableButton = false;
-    if (submitAnswer === undefined) {
-        disableButton = true;
-    }
-
     useEffect(() => {
         console.log("passedAnswer", answer);
         if (answer && (answer[0] === true || answer[0] === false)) {
@@ -60,7 +55,7 @@ const TrueFalseQuestionDisplay: React.FC = () => {
                             className="button-wrapper"
                             onClick={() => !showAnswer && handleOnClickAnswer(true)}
                             fullWidth
-                            disabled={disableButton || isTeacherMode}
+                            disabled={isTeacherMode}
                         >
                             {showAnswer ? (
                                 <div> {question.isTrue ? '✅' : '❌'}</div>
@@ -86,7 +81,7 @@ const TrueFalseQuestionDisplay: React.FC = () => {
                             className="button-wrapper"
                             onClick={() => !showAnswer && handleOnClickAnswer(false)}
                             fullWidth
-                            disabled={disableButton || isTeacherMode}
+                            disabled={isTeacherMode}
                         >
                             {showAnswer ? (
                                 <div> {!question.isTrue ? '✅' : '❌'}</div>

client/src/components/StudentModeQuiz/StudentModeQuiz.tsx

@@ -17,9 +17,8 @@ const StudentModeQuiz: React.FC = () => {
         let savedAnswer = undefined;
         if (answers.length !== 0) {
             savedAnswer = answers[Number(index)]?.answer;}
-
         setIsQuestionSent(savedAnswer !== undefined);
-        setShowAnswer(savedAnswer !== undefined); // Update showAnswer in context
+        setShowAnswer(savedAnswer !== undefined); 
     }, [index, answers, setShowAnswer]);
 
     const nextQuestion = () => {

client/src/components/TeacherModeQuiz/TeacherModeQuiz.tsx

@@ -16,41 +16,27 @@ const TeacherModeQuiz: React.FC = () => {
         index,
         isQuestionSent,
         setIsQuestionSent,
-        answer,
-        setAnswer,
     } = useQuizContext();
     
-    const [isAnswerSubmitted, setIsAnswerSubmitted] = useState(false);
+    const [isDialogOpen, setIsDialogOpen] = useState(false);
 
-    // arrive here the first time after waiting for next question
+    console.log("TeacherModeQuiz",answers[Number(index)].answer);
     useEffect(() => {
-            console.log(`QuestionDisplay: questions: ${JSON.stringify(questions)}`);
+        if (answers[Number(index)].answer !== undefined) {
-        
+            setIsQuestionSent(true);
-        console.log(`TeacherModeQuiz: useEffect: answers: ${JSON.stringify(answers)}`);
+            setIsDialogOpen(true);
-        console.log(`TeacherModeQuiz: useEffect: questionInfos.question.id: ${index} answer: ${answer}`);
+            setShowAnswer(true);
-        const oldAnswer = answers[Number(index) -1 ]?.answer;
+        } else {
-        console.log(`TeacherModeQuiz: useEffect: oldAnswer: ${oldAnswer}`);
-        setAnswer(oldAnswer);
             setShowAnswer(false);
             setIsQuestionSent(false);
+            setIsDialogOpen(false);
+        }
+
     }, [questions[Number(index)].question, answers]);
 
-    // handle showing the feedback dialog
-    useEffect(() => {
-        console.log(`TeacherModeQuiz: useEffect: answer: ${answer}`);
-        setIsAnswerSubmitted(answer !== undefined);
-        setIsQuestionSent(answer !== undefined);
-    }, [answer]);
-
-    useEffect(() => {
-        console.log(`TeacherModeQuiz: useEffect: isAnswerSubmitted: ${isAnswerSubmitted}`);
-        setIsQuestionSent(isAnswerSubmitted);
-        setShowAnswer(isAnswerSubmitted);
-    }, [isAnswerSubmitted]);
 
     const handleFeedbackDialogClose = () => {
-        setIsQuestionSent(false);
+        setIsDialogOpen(false);
-        setIsAnswerSubmitted(true);
     };
 
     return (
@@ -62,14 +48,14 @@ const TeacherModeQuiz: React.FC = () => {
                     message={`Êtes-vous sûr de vouloir quitter?`} />
 
                 <div className='centerTitle'>
-                    <div className='title'>Question {index}</div>
+                    <div className='title'>Question {Number((index ?? 0) + 1)}</div>
                 </div>
 
                 <div className='dumb'></div>
 
             </div>
 
-            {isAnswerSubmitted ? (
+            {isQuestionSent ? (
                 <div>
                     En attente pour la prochaine question...
                 </div>
@@ -78,7 +64,7 @@ const TeacherModeQuiz: React.FC = () => {
             )}
 
             <Dialog
-                open={isQuestionSent}
+                open={isDialogOpen}
                 onClose={handleFeedbackDialogClose}
             >
                 <DialogTitle>Rétroaction</DialogTitle>

client/src/pages/Student/JoinRoom/JoinRoom.tsx

@@ -72,13 +72,15 @@ const JoinRoom: React.FC = () => {
             console.log('JoinRoom: on(next-question): Received next-question:', question);
             setQuizMode('teacher');
             setIsWaitingForTeacher(false);   
-            updateIndex(Number(question.question.id));
+            updateIndex(Number(question.question.id) -1);
+            
         });
         socket.on('launch-teacher-mode', (questions: QuestionType[]) => {
             console.log('on(launch-teacher-mode): Received launch-teacher-mode:', questions);
             setQuizMode('teacher');
             setIsWaitingForTeacher(true);
             updateIndex(0);
+            console.log('on(launch-teacher-mode): setQuestions:', index);
             setQuestions(questions);
             // wait for next-question
         });

client/src/pages/Student/JoinRoom/QuizContext.tsx

@@ -10,8 +10,6 @@ export const QuizContext = React.createContext<{
     setQuestions: Dispatch<SetStateAction<QuestionType[]>>;
     answers: AnswerSubmissionToBackendType[];
     setAnswers: Dispatch<SetStateAction<AnswerSubmissionToBackendType[]>>;
-    answer : AnswerType;
-    setAnswer: Dispatch<SetStateAction<AnswerType>>;
     index: number | null; // Add index to the context
     updateIndex: (questionId: number | null) => void; // Add a function to update the index
     submitAnswer: (answer: AnswerType, idQuestion?: number) => void; // Updated submitAnswer signature
@@ -33,8 +31,6 @@ export const QuizContext = React.createContext<{
     setQuestions: () => {},
     answers: [],
     setAnswers: () => {},
-    answer: [], // Default value for answer
-    setAnswer: () => {}, // Default no-op function
     index: null, // Default value for index
     updateIndex: () => {}, // Default no-op function
     submitAnswer: () => {}, // Default no-op function

client/src/pages/Student/JoinRoom/QuizProvider.tsx

@@ -21,8 +21,6 @@ export const QuizProvider: React.FC<{ children: React.ReactNode }> = ({ children
     // Calculate the index based on the current question's ID
     const [index, setIndex] = useState<number | null>(null);
     
-    const [answer, setAnswer] = useState<AnswerType>([]); // Initialize answer as an empty array
-    
     const [isQuestionSent, setIsQuestionSent] = useState(false);
 
     const [isTeacherMode, setisTeacherMode] = useState(false);
@@ -36,7 +34,6 @@ export const QuizProvider: React.FC<{ children: React.ReactNode }> = ({ children
 
 
     const updateIndex = (questionId?: number | null) => {
-
         setIndex(questionId ?? null);
 
     };
@@ -50,7 +47,6 @@ export const QuizProvider: React.FC<{ children: React.ReactNode }> = ({ children
             username: username,
             idQuestion: Number(index),
         };
-        setAnswer(answer);
         setIsQuestionSent(true);
         // Update the answers state
         setAnswers((prevAnswers) => {
@@ -58,7 +54,6 @@ export const QuizProvider: React.FC<{ children: React.ReactNode }> = ({ children
             newAnswers[Number(index)] = answerData; // Update the specific answer
             return newAnswers; // Return the new array
         });
-        console.log(`submitAnswer: answerData: ${JSON.stringify(answers)}`);
 
         // Submit the answer to the WebSocket service
         webSocketService.submitAnswer(answerData);
@@ -74,8 +69,6 @@ export const QuizProvider: React.FC<{ children: React.ReactNode }> = ({ children
                 setQuestions,
                 answers,
                 setAnswers,
-                answer,
-                setAnswer,
                 index, // Expose the index in the context
                 updateIndex, // Expose a function to update the index
                 submitAnswer, // Expose submitAnswer in the context

client/src/services/WebsocketService.tsx

@@ -99,7 +99,7 @@ class WebSocketService {
 
     submitAnswer(answerData: AnswerSubmissionToBackendType) {
         if (this.socket) {
-            this.socket?.emit('submit-answer', answerData
+            this.socket?.emit('', answerData
             );
         }
     }