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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>SmartLearn - Quiz Generation</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>

        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');



        body {

            font-family: 'Poppins', sans-serif;

            margin: 0;

            padding: 0;

            display: flex;

            justify-content: center;

            align-items: center;

            min-height: 100vh;

            background-image: url('../static/quiz.jpg');

            background-size: cover;

            background-position: center;

            background-attachment: fixed;

        }



        .container {

            border-radius: 20px;

            padding: 40px;

            width: 90%;

            max-width: 500px;

            text-align: center;

            position: relative;

            z-index: 2;

            background: rgba(255, 255, 255, 0.1);

            backdrop-filter: blur(10px);

            box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);

            border: 1px solid rgba(255, 255, 255, 0.18);

        }



        .quiz-form {

            padding: 20px;

            border-radius: 10px;

        }



        .form-group {

            margin-bottom: 20px;

            text-align: left;

        }



        .form-group label {

            display: block;

            margin-bottom: 5px;

            color: #fff;

            font-weight: 600;

        }



        .form-group input,

        .form-group select {

            width: 100%;

            padding: 10px;

            border: none;

            border-radius: 5px;

            background: rgba(255, 255, 255, 0.8);

            color: #000;

            font-size: 16px;

        }



        .form-group select {

            appearance: none;

            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

            background-repeat: no-repeat;

            background-position: right 10px center;

            background-size: 20px;

        }



        .btn {

            background-color: #3498db;

            color: white;

            border: none;

            padding: 12px 24px;

            border-radius: 30px;

            cursor: pointer;

            font-size: 18px;

            transition: all 0.3s ease;

        }



        .btn:hover {

            background-color: #2980b9;

            transform: translateY(-2px);

            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);

        }



        h1, h2, h3 {

            color: #fff;

            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);

        }



        .score-circle {

            width: 150px;

            height: 150px;

            background-color: rgba(52, 152, 219, 0.8);

            border-radius: 50%;

            display: flex;

            justify-content: center;

            align-items: center;

            margin: 0 auto 30px;

            font-size: 36px;

            font-weight: bold;

            color: white;

            box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);

        }



        .areas-to-improve {

            background-color: rgba(248, 249, 250, 0.1);

            border-radius: 10px;

            padding: 20px;

            text-align: left;

            color: #fff;

        }



        .areas-to-improve ol {

            padding-left: 20px;

        }



        .areas-to-improve li {

            margin-bottom: 10px;

        }



        .validation-container {

            display: none;

            justify-content: center;

            align-items: center;

            flex-direction: column;

        }



        .loader {

            border: 5px solid rgba(255, 255, 255, 0.3);

            border-top: 5px solid #3498db;

            border-radius: 50%;

            width: 50px;

            height: 50px;

            animation: spin 1s linear infinite;

        }



        @keyframes spin {

            0% { transform: rotate(0deg); }

            100% { transform: rotate(360deg); }

        }



        .validation-text {

            margin-top: 20px;

            font-size: 18px;

            color: #fff;

        }



        .correct { color: #2ecc71; }

        .incorrect { color: #e74c3c; }

        #areas-to-improve { margin-top: 20px; }



        .options li {

            display: flex;

            align-items: center;

            margin-bottom: 10px;

            color: #fff;

        }



        .options li input {

            margin-right: 10px;

        }



        .back-button {

            position: absolute;

            top: 20px;

            left: 20px;

            background-color: #6c757d;

            color: white;

            border: none;

            padding: 10px 20px;

            border-radius: 30px;

            cursor: pointer;

            transition: background-color 0.3s;

            font-size: 16px;

        }



        .back-button:hover {

            background-color: #5a6268;

        }



        .fade-in {

            animation: fadeIn 0.5s ease-in-out;

        }



        @keyframes fadeIn {

            from { opacity: 0; transform: translateY(20px); }

            to { opacity: 1; transform: translateY(0); }

        }



        .icon {

            margin-right: 10px;

        }



        .loading-animation {

            display: flex;

            flex-direction: column;

            align-items: center;

            justify-content: center;

            margin-top: 20px;

        }



        .loading-animation p {

            margin-top: 10px;

            color: #fff;

            font-weight: 600;

        }

    </style>
</head>
<body>
    <div class="container fade-in">
        <button class="back-button" onclick="goBack()"><i class="fas fa-arrow-left"></i> Back</button>
        <h1><i class="fas fa-graduation-cap icon"></i>Generate Your Custom Quiz</h1>
        <form class="quiz-form">
            <div class="form-group">
                <label for="subject"><i class="fas fa-book icon"></i>Subject:</label>
                <input type="text" id="subject" name="subject" required>
            </div>
            <div class="form-group">
                <label for="topic"><i class="fas fa-lightbulb icon"></i>Topic:</label>
                <input type="text" id="topic" name="topic" required>
            </div>
            <div class="form-group">
                <label for="num-questions"><i class="fas fa-list-ol icon"></i>Number of Questions:</label>
                <select id="num-questions" name="num-questions">
                    <option value="5">5</option>
                    <option value="10">10</option>
                    <option value="15">15</option>
                    <option value="20">20</option>
                </select>
            </div>
            <div class="form-group">
                <label for="difficulty"><i class="fas fa-signal icon"></i>Difficulty Level:</label>
                <select id="difficulty" name="difficulty">
                    <option value="easy">Easy</option>
                    <option value="medium">Medium</option>
                    <option value="hard">Hard</option>
                </select>
            </div>
            <button type="submit" class="btn"><i class="fas fa-magic icon"></i>Generate Quiz</button>
        </form>

        <div id="loading-animation" class="loading-animation" style="display: none;">
            <div class="loader"></div>
            <p>Generating Quiz...</p>
        </div>

        <div id="quiz-result" class="quiz-result" style="display: none;">
            <!-- Quiz questions will be dynamically inserted here -->
        </div>
        <div id="validation-container" class="validation-container">
            <div id="loader" class="loader"></div>
            <div id="validation-text" class="validation-text">Validating...</div>
        </div>
        <div id="quiz-score" style="display: none;"></div>
        <div id="areas-to-improve" class="areas-to-improve" style="display: none;"></div>
    </div>

    
    <script>

        let quizData = [];

        let studentId = ''; // Assume you set this variable with the logged-in student's ID.

    

        document.querySelector('.quiz-form').addEventListener('submit', function(e) {

            e.preventDefault();

            const formData = new FormData(this);

            const data = {

                subject: formData.get('subject'),

                topic: formData.get('topic'),

                'num-questions': formData.get('num-questions'),

                difficulty: formData.get('difficulty')

            };

            fetch('/generate_quiz', {

                method: 'POST',

                headers: {

                    'Content-Type': 'application/json',

                },

                body: JSON.stringify(data)

            })

            .then(response => response.json())

            .then(data => {

                quizData = parseQuizData(data.quiz);

                showQuiz(quizData);

            })

            .catch(error => console.error('Error:', error));

        });

    

        function parseQuizData(quizString) {

            const questions = quizString.split('Question:').filter(q => q.trim() !== '');

            return questions.map((question, index) => {

                const [questionText, ...options] = question.split('\n').filter(line => line.trim() !== '');

                const answerLine = options.pop();

                const correctAnswer = parseInt(answerLine.split(':')[1].trim());

                return {

                    id: index + 1,

                    text: questionText.trim(),

                    options: options.map(opt => opt.replace('<<o>>', '').trim()),

                    correctAnswer: correctAnswer,

                    concept: questionText.match(/\[(.*?)\]/)[1]

                };

            });

        }

    

        function showQuiz(questions) {

            const quizResult = document.getElementById('quiz-result');

            let quizHtml = '<h2>Your Custom Quiz</h2>';

    

            questions.forEach((question, index) => {

                quizHtml += `

                    <div class="question fade-in">

                        <h3>${question.id}. ${question.text}</h3>

                        <ul class="options">

                `;

    

                question.options.forEach((option, optionIndex) => {

                    quizHtml += `

                        <li>

                            <input type="radio" name="q${index}" value="${optionIndex + 1}" id="q${index}o${optionIndex}">

                            <label for="q${index}o${optionIndex}">${option}</label>

                        </li>

                    `;

                });

    

                quizHtml += `

                        </ul>

                    </div>

                `;

            });

    

            quizHtml += '<button onclick="submitQuiz()" class="btn">Submit Quiz</button>';

    

            quizResult.innerHTML = quizHtml;

            quizResult.style.display = 'block';

        }

    

        function submitQuiz() {

    const validationContainer = document.getElementById('validation-container');

    const quizResult = document.getElementById('quiz-result');

    const quizScore = document.getElementById('quiz-score');

    const areasToImprove = document.getElementById('areas-to-improve');



    quizResult.style.display = 'none';

    validationContainer.style.display = 'block';



    setTimeout(() => {

        validationContainer.style.display = 'none';

        const score = calculateScore();

        displayResults(score);



        // Get areas to improve

        let improveAreas = [];

        let incorrectQuestions = quizData.filter((question, index) => {

            const selectedAnswer = document.querySelector(`input[name="q${index}"]:checked`);

            return !selectedAnswer || parseInt(selectedAnswer.value) !== question.correctAnswer;

        });



        if (incorrectQuestions.length > 0) {

            improveAreas = incorrectQuestions.map(question => question.concept);

        }



        // Ensure studentId is set correctly

        const studentId = '[email protected]';  // Replace with actual student ID



        // Send areas to improve to the backend

        fetch('/update_student_areas', {

            method: 'POST',

            headers: {

                'Content-Type': 'application/json',

            },

            body: JSON.stringify({ student_id: studentId, areas_to_improve: improveAreas })

        })

        .then(response => response.json())

        .then(data => {

            if (data.status === 'success') {

                console.log('Student areas to improve updated successfully.');

            } else {

                console.error('Failed to update student areas to improve.');

            }

        })

        .catch(error => console.error('Error:', error));



    }, 2000);

}



    

        function calculateScore() {

            let score = 0;

            quizData.forEach((question, index) => {

                const selectedAnswer = document.querySelector(`input[name="q${index}"]:checked`);

                if (selectedAnswer && parseInt(selectedAnswer.value) === question.correctAnswer) {

                    score++;

                }

            });

            return score;

        }

    

        function displayResults(score) {

            const quizScore = document.getElementById('quiz-score');

            const areasToImprove = document.getElementById('areas-to-improve');

    

            quizScore.innerHTML = `

                <div class="score-circle">${score}/${quizData.length}</div>

                <h3>You have scored</h3>

                <p>Performance: ${getPerformanceEvaluation(score, quizData.length)}</p>

            `;

            quizScore.style.display = 'block';

    

            let incorrectQuestions = quizData.filter((question, index) => {

                const selectedAnswer = document.querySelector(`input[name="q${index}"]:checked`);

                return !selectedAnswer || parseInt(selectedAnswer.value) !== question.correctAnswer;

            });

    

            if (incorrectQuestions.length > 0) {

                let improveHtml = '<h3>Areas to be improved</h3><ol>';

                incorrectQuestions.forEach(question => {

                    improveHtml += `<li>${question.concept}</li>`;

                });

                improveHtml += '</ol>';

                areasToImprove.innerHTML = improveHtml;

                areasToImprove.style.display = 'block';

            }

        }

    

        function getPerformanceEvaluation(score, total) {

            const percentage = (score / total) * 100;

            if (percentage >= 80) return 'Excellent';

            if (percentage >= 60) return 'Good';

            if (percentage >= 40) return 'Average';

            return 'Needs Improvement';

        }

    

        function goBack() {

            window.history.back();

        }

    </script>
</body>
</html>