{% extends 'base.html' %}
{% load static %}

{% block title %}Редактирование задания{% endblock %}

{% block content %}
<div class="max-w-2xl mx-auto">
    <div class="mb-6">
        <a href="{% url 'assignment_list' %}" class="text-indigo-600 hover:text-indigo-800">
            <i class="fas fa-arrow-left mr-2"></i>Назад к списку
        </a>
    </div>

    <div class="bg-white rounded-xl shadow-sm p-6">
        <h1 class="text-xl font-bold text-gray-800 mb-4">Редактировать задание</h1>

        <form method="post" enctype="multipart/form-data">
            {% csrf_token %}
            <div class="space-y-4">
                <div>
                    <label class="form-label">Группа *</label>
                    <select name="group" required class="form-input">
                        {% for group in groups %}
                        <option value="{{ group.id }}" {% if assignment.group.id == group.id %}selected{% endif %}>{{ group.name }}</option>
                        {% endfor %}
                    </select>
                </div>

                <div>
                    <label class="form-label">Предмет *</label>
                    <select name="subject" required class="form-input">
                        {% for subject in subjects %}
                        <option value="{{ subject.id }}" {% if assignment.subject.id == subject.id %}selected{% endif %}>{{ subject.name }}</option>
                        {% endfor %}
                    </select>
                </div>

                <div>
                    <label class="form-label">Название задания *</label>
                    <input type="text" name="title" value="{{ assignment.title }}" required class="form-input">
                </div>

                <div>
                    <label class="form-label">Описание</label>
                    <textarea name="description" rows="4" class="form-textarea">{{ assignment.description }}</textarea>
                </div>

                <div>
                    <label class="form-label">Срок сдачи *</label>
                    <input type="date" name="deadline" value="{{ assignment.deadline|date:'Y-m-d' }}" required class="form-input">
                </div>

                <div class="border-t pt-4">
                    <h3 class="font-semibold text-gray-700 mb-3">Материалы к заданию</h3>
                    
                    <div class="mb-3">
                        <label class="form-label">Файл материала</label>
                        {% if assignment.material_file %}
                        <p class="text-sm text-gray-500 mb-1">Текущий файл: {{ assignment.material_file.name }}</p>
                        {% endif %}
                        <input type="file" name="material_file" class="form-input">
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Ссылка на материал</label>
                        <input type="url" name="material_link" value="{{ assignment.material_link }}" class="form-input" placeholder="https://...">
                    </div>

                    <div>
                        <label class="form-label">Текст материала</label>
                        <textarea name="material_text" rows="3" class="form-textarea">{{ assignment.material_text }}</textarea>
                    </div>
                </div>

                <div class="flex gap-3 pt-4">
                    <button type="submit" class="btn-primary">Сохранить</button>
                    <a href="{% url 'assignment_list' %}" class="btn-secondary">Отмена</a>
                </div>
            </div>
        </form>
    </div>
</div>
{% endblock %}