{% extends "base.html" %}
{% block content %}
<div class="row">
    <div class="col-md-3">
        <div class="card">
            <div class="card-header">Информация о диске</div>
            <div class="card-body">
                <p>Всего: {{ format_size(disk.total) }}</p>
                <p>Занято: {{ format_size(disk.used) }} ({{ disk.percent }}%)</p>
                <p>Свободно: {{ format_size(disk.free) }}</p>
                <div class="progress"><div class="progress-bar" style="width: {{ disk.percent }}%"></div></div>
            </div>
        </div>
        <div class="card mt-3">
            <div class="card-header">Загрузить</div>
            <div class="card-body">
                <div id="dropzone" style="border:2px dashed #ccc; padding:20px; text-align:center; cursor:pointer;">
                    Перетащите файлы сюда<br><small>или кликните для выбора</small>
                    <input type="file" id="fileInput" style="display:none;" multiple>
                </div>
                <button id="createFolderBtn" class="btn btn-outline-secondary mt-2 w-100">📁 Создать папку</button>
            </div>
        </div>
        <a href="{{ url_for('view_logs') }}" class="btn btn-secondary mt-3">📋 Логи</a>
    </div>
    <div class="col-md-9">
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb">
                {% for crumb in breadcrumbs %}
                    <li class="breadcrumb-item"><a href="{{ url_for('index', path=crumb.path) }}">{{ crumb.name }}</a></li>
                {% endfor %}
            </ol>
        </nav>

        {% with messages = get_flashed_messages(with_categories=true) %}
            {% for category, message in messages %}
                <div class="alert alert-{{ category }} alert-dismissible fade show">{{ message }}<button type="button" class="btn-close" data-bs-dismiss="alert"></button></div>
            {% endfor %}
        {% endwith %}

        <div class="row" id="fileGrid">
            {% for item in items %}
                <div class="col-md-3 mb-3" data-path="{{ item.path }}" data-type="{{ item.type }}">
                    <div class="card h-100">
                        {% if item.type == 'dir' %}
                            <div class="card-body text-center" style="cursor:pointer;" onclick="window.location.href='{{ url_for('index', path=item.path) }}'">
                                <div style="font-size: 48px;">📁</div>
                                <h6 class="card-title">{{ item.name }}</h6>
                                <small>{{ item.modified }}</small>
                            </div>
                        {% else %}
                            <div class="card-body text-center">
                                {% if item.is_image and item.thumb %}
                                    <img src="data:image/jpeg;base64,{{ item.thumb }}" class="img-thumbnail" style="max-height:100px;" alt="{{ item.name }}">
                                {% else %}
                                    <div style="font-size: 48px;">📄</div>
                                {% endif %}
                                <h6 class="card-title text-truncate">{{ item.name }}</h6>
                                <small>{{ item.size_formatted }}</small><br>
                                <div class="btn-group btn-group-sm mt-2">
                                    <button class="btn btn-outline-primary preview-btn" data-path="{{ item.path }}" data-name="{{ item.name }}" data-mime="{{ item.mime }}">👁️</button>
                                    <a href="{{ url_for('download_file', filename=item.path, download=1) }}" class="btn btn-outline-success">⬇️</a>
                                    <button class="btn btn-outline-danger delete-btn" data-path="{{ item.path }}">🗑️</button>
                                    <button class="btn btn-outline-secondary move-btn" data-path="{{ item.path }}">📂</button>
                                </div>
                            </div>
                        {% endif %}
                    </div>
                </div>
            {% else %}
                <div class="col-12"><div class="alert alert-info">Папка пуста</div></div>
            {% endfor %}
        </div>
    </div>
</div>

<!-- Модалки -->
<div class="modal fade" id="previewModal" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog modal-xl modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="previewTitle">Просмотр</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body text-center" id="previewBody">
                <div class="spinner-border"></div>
            </div>
        </div>
    </div>
</div>

<div class="modal fade" id="folderModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header"><h5>Создать папку</h5><button type="button" class="btn-close" data-bs-dismiss="modal"></button></div>
            <div class="modal-body">
                <input type="text" id="folderNameInput" class="form-control" placeholder="Имя папки">
            </div>
            <div class="modal-footer">
                <button class="btn btn-secondary" data-bs-dismiss="modal">Отмена</button>
                <button id="confirmFolderBtn" class="btn btn-primary">Создать</button>
            </div>
        </div>
    </div>
</div>

<div class="modal fade" id="moveModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header"><h5>Переместить в папку</h5><button type="button" class="btn-close" data-bs-dismiss="modal"></button></div>
            <div class="modal-body">
                <p>Укажите относительный путь к папке назначения (например: <code>документы/проекты</code>)</p>
                <input type="text" id="moveDestInput" class="form-control" placeholder="Путь к папке">
                <input type="hidden" id="moveSourcePath">
            </div>
            <div class="modal-footer">
                <button class="btn btn-secondary" data-bs-dismiss="modal">Отмена</button>
                <button id="confirmMoveBtn" class="btn btn-primary">Переместить</button>
            </div>
        </div>
    </div>
</div>

{% endblock %}

{% block scripts %}
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
<script>
    document.addEventListener('DOMContentLoaded', function() {
        const currentPath = "{{ current_path }}";
        const dropzone = document.getElementById('dropzone');
        const fileInput = document.getElementById('fileInput');

        dropzone.addEventListener('click', () => fileInput.click());
        dropzone.addEventListener('dragover', (e) => { e.preventDefault(); dropzone.style.borderColor = '#0d6efd'; });
        dropzone.addEventListener('dragleave', () => { dropzone.style.borderColor = '#ccc'; });
        dropzone.addEventListener('drop', (e) => {
            e.preventDefault();
            dropzone.style.borderColor = '#ccc';
            if (e.dataTransfer.files.length) uploadFiles(e.dataTransfer.files);
        });
        fileInput.addEventListener('change', () => {
            if (fileInput.files.length) {
                uploadFiles(fileInput.files);
                fileInput.value = '';
            }
        });

        function uploadFiles(files) {
            for (let file of files) {
                const formData = new FormData();
                formData.append('file', file);
                formData.append('path', currentPath);
                fetch('{{ url_for("upload") }}', { method: 'POST', body: formData })
                    .then(response => response.json())
                    .then(data => {
                        if (data.success) location.reload();
                        else alert('Ошибка: ' + data.error);
                    })
                    .catch(err => alert('Ошибка: ' + err));
            }
        }

        // Создание папки
        document.getElementById('createFolderBtn').addEventListener('click', () => {
            new bootstrap.Modal(document.getElementById('folderModal')).show();
        });
        document.getElementById('confirmFolderBtn').addEventListener('click', () => {
            const name = document.getElementById('folderNameInput').value.trim();
            if (!name) { alert('Введите имя папки'); return; }
            fetch('{{ url_for("create_folder") }}', {
                method: 'POST',
                headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
                body: new URLSearchParams({ path: currentPath, folder_name: name })
            })
            .then(r => r.json())
            .then(data => {
                if (data.success) location.reload();
                else alert('Ошибка: ' + data.error);
            });
        });

        // Предпросмотр
        document.querySelectorAll('.preview-btn').forEach(btn => {
            btn.addEventListener('click', function() {
                const path = this.dataset.path;
                const name = this.dataset.name;
                const mime = this.dataset.mime;
                const modal = new bootstrap.Modal(document.getElementById('previewModal'));
                document.getElementById('previewTitle').innerText = name;
                const body = document.getElementById('previewBody');
                body.innerHTML = '<div class="spinner-border"></div>';

                fetch('{{ url_for("download_file", filename="") }}' + encodeURIComponent(path))
                    .then(r => {
                        if (!r.ok) throw new Error('Не удалось загрузить');
                        return r.blob();
                    })
                    .then(blob => {
                        const url = URL.createObjectURL(blob);
                        let html = '';
                        if (mime.startsWith('image/')) {
                            html = `<img src="${url}" class="img-fluid" style="max-height:80vh;">`;
                        } else if (mime.startsWith('video/')) {
                            html = `<video controls class="w-100" style="max-height:80vh;"><source src="${url}" type="${mime}"></video>`;
                        } else if (mime === 'application/pdf') {
                            html = `<embed src="${url}" type="application/pdf" class="w-100" style="height:80vh;">`;
                        } else if (mime.startsWith('text/') || mime === 'application/json') {
                            blob.text().then(text => {
                                body.innerHTML = `<pre class="text-start" style="max-height:80vh; overflow:auto;">${text}</pre>`;
                            });
                            return;
                        } else {
                            html = `<p>Предпросмотр недоступен.<br><a href="${url}" download="${name}">Скачать</a></p>`;
                        }
                        body.innerHTML = html;
                    })
                    .catch(err => {
                        body.innerHTML = `<div class="alert alert-danger">${err.message}</div>`;
                    });
                modal.show();
            });
        });

        // Удаление
        document.querySelectorAll('.delete-btn').forEach(btn => {
            btn.addEventListener('click', function() {
                if (!confirm('Удалить?')) return;
                fetch('{{ url_for("delete_file", filename="") }}' + encodeURIComponent(this.dataset.path), { method: 'POST' })
                    .then(r => {
                        if (r.redirected) window.location.href = r.url;
                        else location.reload();
                    });
            });
        });

        // Перемещение
        document.querySelectorAll('.move-btn').forEach(btn => {
            btn.addEventListener('click', function() {
                document.getElementById('moveSourcePath').value = this.dataset.path;
                new bootstrap.Modal(document.getElementById('moveModal')).show();
            });
        });
        document.getElementById('confirmMoveBtn').addEventListener('click', function() {
            const source = document.getElementById('moveSourcePath').value;
            const dest = document.getElementById('moveDestInput').value.trim();
            if (!dest) { alert('Укажите папку назначения'); return; }
            fetch('{{ url_for("move_item") }}', {
                method: 'POST',
                headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
                body: new URLSearchParams({ source_path: source, dest_path: dest })
            })
            .then(r => r.json())
            .then(data => {
                if (data.success) location.reload();
                else alert('Ошибка: ' + data.error);
            });
        });
    });
</script>
{% endblock %}