{% extends "base.html" %}
{% load crispy_forms_tags %}

{% block title %}Quiz Builder — {{ course.name }}{% endblock %}
{% if user.is_teacher %}{% block nav_teacher_courses %}active{% endblock %}
{% else %}{% block nav_courses %}active{% endblock %}{% endif %}

{% block content %}
<div class="page-header">
    <div>
        <a href="{% url 'content:course_content' course_pk=course.pk %}" class="text-muted small d-block mb-1">
            <i class="fa-solid fa-arrow-left me-1"></i> {{ course.name }} — Content
        </a>
        <h2><i class="fa-solid fa-circle-question me-2"></i>Quiz Builder</h2>
        <p class="text-muted mb-0">{{ course.name }}</p>
    </div>
</div>

<div class="row g-4">
    <!-- Settings -->
    <div class="col-lg-4">
        <div class="portal-card">
            <div class="portal-card-header">
                <h6 class="mb-0"><i class="fa-solid fa-gear me-2"></i>Quiz Settings</h6>
            </div>
            <div class="portal-card-body">
                <form method="post">
                    {% csrf_token %}
                    {% crispy quiz_form %}
                </form>
            </div>
        </div>

        {% if quiz %}
        <div class="portal-card mt-3">
            <div class="portal-card-body">
                <p class="text-muted small mb-1 fw-semibold">Quiz Stats</p>
                <dl class="row mb-0 small">
                    <dt class="col-7 text-muted">Questions</dt>
                    <dd class="col-5">{{ quiz.question_count }}</dd>
                    <dt class="col-7 text-muted">Total Attempts</dt>
                    <dd class="col-5">{{ quiz.attempts.count }}</dd>
                    <dt class="col-7 text-muted">Max Attempts</dt>
                    <dd class="col-5">{% if quiz.max_attempts == 0 %}Unlimited{% else %}{{ quiz.max_attempts }}{% endif %}</dd>
                    <dt class="col-7 text-muted">Pass Score</dt>
                    <dd class="col-5">{{ quiz.pass_score }}%</dd>
                </dl>
            </div>
        </div>
        {% endif %}
    </div>

    <!-- Questions -->
    <div class="col-lg-8">
        {% if not quiz %}
        <div class="portal-card">
            <div class="portal-card-body text-center py-5 text-muted">
                <i class="fa-solid fa-circle-question fa-2x mb-3 d-block" style="opacity:0.3;"></i>
                <p class="mb-0">Save quiz settings first, then add questions.</p>
            </div>
        </div>
        {% else %}
        <div class="portal-card">
            <div class="portal-card-header d-flex justify-content-between align-items-center">
                <h6 class="mb-0"><i class="fa-solid fa-list-ol me-2"></i>Questions
                    <span class="badge bg-secondary ms-1">{{ questions|length }}</span>
                </h6>
                <a href="{% url 'content:question_add' quiz_pk=quiz.pk %}" class="btn btn-xs btn-outline-primary">
                    <i class="fa-solid fa-plus me-1"></i> Add Question
                </a>
            </div>
            <div class="portal-card-body p-0">
                {% if questions %}
                <ul class="list-group list-group-flush">
                    {% for q in questions %}
                    <li class="list-group-item py-3">
                        <div class="d-flex align-items-start gap-3">
                            <span class="badge bg-primary flex-shrink-0 mt-1">{{ forloop.counter }}</span>
                            <div class="flex-grow-1">
                                <p class="fw-semibold mb-2">{{ q.question_text }}</p>
                                <ul class="list-unstyled mb-0 small">
                                    {% for choice in q.choices.all %}
                                    <li class="d-flex align-items-center gap-2 mb-1">
                                        {% if choice.is_correct %}
                                        <i class="fa-solid fa-circle-check text-success flex-shrink-0"></i>
                                        <span class="text-success fw-semibold">{{ choice.choice_text }}</span>
                                        {% else %}
                                        <i class="fa-regular fa-circle text-muted flex-shrink-0"></i>
                                        <span class="text-muted">{{ choice.choice_text }}</span>
                                        {% endif %}
                                    </li>
                                    {% endfor %}
                                </ul>
                            </div>
                            <div class="d-flex gap-1 flex-shrink-0">
                                <a href="{% url 'content:question_edit' pk=q.pk %}" class="btn btn-xs btn-outline-secondary" title="Edit">
                                    <i class="fa-solid fa-pen"></i>
                                </a>
                                <form method="post" action="{% url 'content:question_delete' pk=q.pk %}"
                                      onsubmit="return confirm('Delete this question?')">
                                    {% csrf_token %}
                                    <button type="submit" class="btn btn-xs btn-outline-danger" title="Delete">
                                        <i class="fa-solid fa-trash"></i>
                                    </button>
                                </form>
                            </div>
                        </div>
                    </li>
                    {% endfor %}
                </ul>
                {% else %}
                <div class="text-center py-5 text-muted">
                    <i class="fa-solid fa-list-ol fa-2x mb-3 d-block" style="opacity:0.3;"></i>
                    <p class="mb-2">No questions yet.</p>
                    <a href="{% url 'content:question_add' quiz_pk=quiz.pk %}" class="btn btn-sm btn-primary">
                        <i class="fa-solid fa-plus me-1"></i> Add First Question
                    </a>
                </div>
                {% endif %}
            </div>
        </div>

        <!-- Student attempts -->
        {% if quiz.attempts.count > 0 %}
        <div class="portal-card mt-4">
            <div class="portal-card-header">
                <h6 class="mb-0"><i class="fa-solid fa-users me-2"></i>Student Attempts</h6>
            </div>
            <div class="portal-card-body p-0">
                <div class="table-responsive">
                    <table class="table table-hover mb-0 small">
                        <thead class="table-light">
                            <tr>
                                <th>Student</th>
                                <th>Score</th>
                                <th>Result</th>
                                <th>Date</th>
                                <th>Attempts</th>
                                <th></th>
                            </tr>
                        </thead>
                        <tbody>
                            {% regroup quiz.attempts.all by student as student_attempts %}
                            {% for group in student_attempts %}
                            {% with last=group.list.0 count=group.list|length %}
                            <tr>
                                <td class="fw-semibold">{{ group.grouper.get_full_name }}</td>
                                <td>{{ last.score }}%</td>
                                <td>
                                    {% if last.passed %}
                                    <span class="badge bg-success">Passed</span>
                                    {% else %}
                                    <span class="badge bg-danger">Failed</span>
                                    {% endif %}
                                </td>
                                <td class="text-muted">{{ last.completed_at|date:"d M Y" }}</td>
                                <td>{{ count }}{% if quiz.max_attempts > 0 %}/{{ quiz.max_attempts }}{% endif %}</td>
                                <td>
                                    <form method="post" action="{% url 'content:attempt_reset' quiz_pk=quiz.pk student_pk=group.grouper.pk %}"
                                          onsubmit="return confirm('Reset all attempts for {{ group.grouper.get_full_name }}?')">
                                        {% csrf_token %}
                                        <button type="submit" class="btn btn-xs btn-outline-warning" title="Reset attempts">
                                            <i class="fa-solid fa-rotate-left"></i> Reset
                                        </button>
                                    </form>
                                </td>
                            </tr>
                            {% endwith %}
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
        {% endif %}
        {% endif %}
    </div>
</div>
{% endblock %}