{% extends 'base.html' %}

{% block title %}{{ task.title }} - Python Trainer{% endblock %}

{% block main_class %}{% endblock %}

{% block content %}
<div class="task-container">
    <!-- Навигация -->
    <div class="task-nav bg-light border-bottom px-3 py-2 d-flex justify-content-between align-items-center">
        <div>
            <a href="{{ url_for('student.lesson', lesson_id=lesson.id) }}" class="btn btn-outline-secondary btn-sm">
                <i class="bi bi-arrow-left"></i> К списку
            </a>
        </div>
        <div>
            <span class="text-muted">Задание {{ current_index }} из {{ total_tasks }}</span>
        </div>
        <div>
            {% if prev_task %}
            <a href="{{ url_for('student.task', task_id=prev_task.id) }}" class="btn btn-outline-secondary btn-sm">
                <i class="bi bi-chevron-left"></i> Назад
            </a>
            {% endif %}
            {% if next_task %}
                {% if next_task_available %}
                <a href="{{ url_for('student.task', task_id=next_task.id) }}" class="btn btn-outline-secondary btn-sm">
                    Вперёд <i class="bi bi-chevron-right"></i>
                </a>
                {% else %}
                <span class="btn btn-outline-secondary btn-sm disabled" title="Сначала выполните все основные задания">
                    Вперёд <i class="bi bi-chevron-right"></i>
                </span>
                {% endif %}
            {% endif %}
        </div>
    </div>

    <div class="container py-4" style="max-width: 800px;">
        <h4><i class="bi bi-question-circle text-info"></i> {{ task.title }}</h4>
        <hr>

        {% set question_num = [0] %}
        {% for element in task.quiz_elements %}
        <div class="mb-4" id="element-{{ element.id }}">
            {% if element.element_type == 'text' %}
            <div class="task-text">{{ element.content|safe }}</div>

            {% elif element.element_type == 'single_choice' %}
            {% if question_num.append(question_num.pop() + 1) %}{% endif %}
            <div class="card quiz-question-card">
                <div class="card-body">
                    <p class="fw-bold mb-2">Вопрос {{ question_num[0] }}</p>
                    <div class="task-text mb-3">{{ element.content|safe }}</div>
                    {% set is_answered = element.id in answered_ids %}
                    {% for option in element.options %}
                    <div class="form-check mb-2">
                        <input class="form-check-input" type="radio"
                               name="q_{{ element.id }}" value="{{ option.id }}"
                               id="opt_{{ option.id }}"
                               {% if is_answered or (progress and progress.is_completed) %}disabled{% endif %}>
                        <label class="form-check-label" for="opt_{{ option.id }}">{{ option.text }}</label>
                    </div>
                    {% endfor %}
                    <button class="btn btn-primary btn-sm check-answer-btn mt-2"
                            data-element-id="{{ element.id }}" data-type="single_choice"
                            {% if is_answered or (progress and progress.is_completed) %}disabled{% endif %}>
                        Ответить
                    </button>
                    <div class="feedback mt-2" id="feedback-{{ element.id }}">
                        {% if is_answered %}<span class="text-success"><i class="bi bi-check-circle-fill"></i> Правильно!</span>{% endif %}
                    </div>
                </div>
            </div>

            {% elif element.element_type == 'multiple_choice' %}
            {% if question_num.append(question_num.pop() + 1) %}{% endif %}
            {% set is_answered = element.id in answered_ids %}
            <div class="card quiz-question-card">
                <div class="card-body">
                    <p class="fw-bold mb-2">Вопрос {{ question_num[0] }}</p>
                    <div class="task-text mb-3">{{ element.content|safe }}</div>
                    {% for option in element.options %}
                    <div class="form-check mb-2">
                        <input class="form-check-input" type="checkbox"
                               name="q_{{ element.id }}" value="{{ option.id }}"
                               id="opt_{{ option.id }}"
                               {% if is_answered or (progress and progress.is_completed) %}disabled{% endif %}>
                        <label class="form-check-label" for="opt_{{ option.id }}">{{ option.text }}</label>
                    </div>
                    {% endfor %}
                    <button class="btn btn-primary btn-sm check-answer-btn mt-2"
                            data-element-id="{{ element.id }}" data-type="multiple_choice"
                            {% if is_answered or (progress and progress.is_completed) %}disabled{% endif %}>
                        Ответить
                    </button>
                    <div class="feedback mt-2" id="feedback-{{ element.id }}">
                        {% if is_answered %}<span class="text-success"><i class="bi bi-check-circle-fill"></i> Правильно!</span>{% endif %}
                    </div>
                </div>
            </div>

            {% elif element.element_type == 'text_input' %}
            {% if question_num.append(question_num.pop() + 1) %}{% endif %}
            {% set is_answered = element.id in answered_ids %}
            <div class="card quiz-question-card">
                <div class="card-body">
                    <p class="fw-bold mb-2">Вопрос {{ question_num[0] }}</p>
                    <div class="task-text mb-3">{{ element.content|safe }}</div>
                    <input type="text" class="form-control mb-2" id="input_{{ element.id }}"
                           placeholder="Ваш ответ"
                           {% if is_answered or (progress and progress.is_completed) %}disabled{% endif %}>
                    <button class="btn btn-primary btn-sm check-answer-btn"
                            data-element-id="{{ element.id }}" data-type="text_input"
                            {% if is_answered or (progress and progress.is_completed) %}disabled{% endif %}>
                        Ответить
                    </button>
                    <div class="feedback mt-2" id="feedback-{{ element.id }}">
                        {% if is_answered %}<span class="text-success"><i class="bi bi-check-circle-fill"></i> Правильно!</span>{% endif %}
                    </div>
                </div>
            </div>
            {% endif %}
        </div>
        {% endfor %}

        <!-- Навигация внизу -->
        <div class="d-flex justify-content-between align-items-center mt-4 pt-3 border-top">
            <div>
                {% if prev_task %}
                <a href="{{ url_for('student.task', task_id=prev_task.id) }}" class="btn btn-outline-secondary">
                    <i class="bi bi-chevron-left"></i> Предыдущее задание
                </a>
                {% endif %}
            </div>
            <div>
                {% if next_task %}
                    {% if next_task_available %}
                    <a href="{{ url_for('student.task', task_id=next_task.id) }}" class="btn btn-outline-secondary">
                        Следующее задание <i class="bi bi-chevron-right"></i>
                    </a>
                    {% else %}
                    <span class="btn btn-outline-secondary disabled" title="Сначала выполните все основные задания">
                        Следующее задание <i class="bi bi-chevron-right"></i>
                    </span>
                    {% endif %}
                {% endif %}
            </div>
        </div>
    </div>
</div>

{% if progress and progress.is_completed %}
<div class="position-fixed bottom-0 start-50 translate-middle-x mb-3">
    <div class="alert alert-success shadow">
        <i class="bi bi-check-circle-fill"></i> Тест пройден!
    </div>
</div>
{% endif %}
{% endblock %}

{% block scripts %}
<script>
    const taskId = {{ task.id }};
    const isCompleted = {{ 'true' if progress and progress.is_completed else 'false' }};
    const totalQuestions = {{ question_count }};
    const answeredIds = {{ answered_ids|tojson }};
</script>
<script src="{{ url_for('static', filename='js/quiz-runner.js') }}"></script>
{% endblock %}