{{template "base.html" .}}

{{define "title"}}Dashboard - Bookmann{{end}}

{{define "content"}}
<!-- Navigation Header -->
<nav class="border-b" style="border-color: var(--border); background-color: var(--bg-secondary)">
    <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
        <div class="flex justify-between items-center h-16">
            <div class="flex items-center">
                <h1 class="text-xl font-bold" style="color: var(--text-primary)">📚 Bookmann</h1>
            </div>
            <div class="flex items-center space-x-4">
                <a href="/" class="px-3 py-2 text-sm hover:opacity-80" style="color: var(--text-secondary)">Dashboard</a>
                <a href="/admin" class="px-3 py-2 text-sm hover:opacity-80" style="color: var(--text-secondary)">Admin</a>
                <span style="color: var(--text-secondary)">Welcome, {{.User.Username}}!</span>
                <button onclick="logout()" class="btn-primary px-4 py-2 rounded text-sm">
                    Logout
                </button>
            </div>
        </div>
    </div>
</nav>

<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
    <!-- Header Section -->
    <div class="mb-8">
        <div class="flex justify-between items-center">
            <div>
                <h2 class="text-3xl font-bold" style="color: var(--text-primary)">Your Ebook Library</h2>
                <p style="color: var(--text-secondary)">Manage your ebook collection and reading progress</p>
            </div>
            <button onclick="showCreateForm()" class="btn-primary px-6 py-3 rounded-lg font-medium">
                + Add New Ebook
            </button>
        </div>
    </div>

    <!-- Search and Filter -->
    <div class="mb-6">
        <div class="flex flex-col sm:flex-row gap-4">
            <input type="text" id="search-input" placeholder="Search ebooks..." class="flex-1 px-4 py-2 border rounded-lg" style="background-color: var(--bg-secondary); color: var(--text-primary); border-color: var(--border)" onkeyup="filterEbooks()">
            <select id="sort-select" class="px-4 py-2 border rounded-lg" style="background-color: var(--bg-secondary); color: var(--text-primary); border-color: var(--border)" onchange="loadEbooks()">
                <option value="created_at DESC">Newest First</option>
                <option value="title ASC">Title A-Z</option>
                <option value="author ASC">Author A-Z</option>
                <option value="created_at ASC">Oldest First</option>
            </select>
        </div>
    </div>

    <!-- Create/Edit Form (Hidden by default) -->
    <div id="ebook-form" class="card p-6 rounded-lg border mb-6" style="display: none;">
        <h3 id="form-title" class="text-xl font-semibold mb-4" style="color: var(--text-primary)">Add New Ebook</h3>
        <form id="ebook-form-element" hx-post="/api/ebooks" hx-target="#form-result" hx-swap="innerHTML" hx-on:htmx:after-request="handleFormResponse()" hx-headers='{"Authorization": "Bearer " + localStorage.getItem("token")}'>
            <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Title *</label>
                    <input type="text" name="title" id="form-title-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)" required>
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Author</label>
                    <input type="text" name="author" id="form-author-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">ISBN</label>
                    <input type="text" name="isbn" id="form-isbn-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Series</label>
                    <input type="text" name="series" id="form-series-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Series Number</label>
                    <input type="number" name="series_number" id="form-series-number-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Publisher</label>
                    <input type="text" name="publisher" id="form-publisher-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Date Published</label>
                    <input type="date" name="date_published" id="form-date-published-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">ASIN</label>
                    <input type="text" name="asin" id="form-asin-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Tags</label>
                    <input type="text" name="tags" id="form-tags-input" placeholder="fiction, adventure, ..." class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div class="md:col-span-2">
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Contributors</label>
                    <input type="text" name="contributors" id="form-contributors-input" placeholder="Editor Name, Illustrator Name" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
                <div class="md:col-span-2">
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Description</label>
                    <textarea name="description" id="form-description-input" rows="3" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)"></textarea>
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">File Path *</label>
                    <input type="text" name="file_path" id="form-file-path-input" placeholder="/uploads/book.epub" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)" required>
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">File Size (bytes) *</label>
                    <input type="number" name="file_size" id="form-file-size-input" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)" required>
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">MIME Type *</label>
                    <input type="text" name="mime_type" id="form-mime-type-input" placeholder="application/epub+zip" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)" required>
                </div>
                <div>
                    <label class="block text-sm font-medium mb-1" style="color: var(--text-secondary)">Cover Image Path</label>
                    <input type="text" name="cover_image_path" id="form-cover-image-path-input" placeholder="/uploads/cover.jpg" class="w-full px-3 py-2 border rounded" style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border)">
                </div>
            </div>
            <div class="mt-6 flex justify-end space-x-3">
                <button type="button" onclick="hideCreateForm()" class="px-4 py-2 border rounded" style="border-color: var(--border); color: var(--text-secondary)">Cancel</button>
                <button type="submit" class="btn-primary px-6 py-2 rounded">Save Ebook</button>
            </div>
        </form>
        <div id="form-result" class="mt-4"></div>
    </div>

    <!-- Ebooks Grid -->
    <div id="ebooks-container" class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
        <!-- Ebooks will be loaded here -->
    </div>

    <!-- Loading indicator -->
    <div id="loading" class="text-center py-8" style="color: var(--text-secondary)">
        Loading your ebooks...
    </div>

    <!-- Empty state -->
    <div id="empty-state" class="text-center py-12" style="display: none;">
        <div class="text-6xl mb-4">📚</div>
        <h3 class="text-xl font-semibold mb-2" style="color: var(--text-primary)">No ebooks yet</h3>
        <p style="color: var(--text-secondary)">Start building your library by adding your first ebook</p>
        <button onclick="showCreateForm()" class="btn-primary px-6 py-3 rounded-lg font-medium mt-4">
            Add Your First Ebook
        </button>
    </div>

    <!-- Pagination -->
    <div id="pagination" class="mt-8 flex justify-center space-x-2" style="display: none;">
        <button id="prev-btn" onclick="changePage(-1)" class="px-4 py-2 border rounded disabled:opacity-50" style="border-color: var(--border); color: var(--text-secondary)">Previous</button>
        <span id="page-info" style="color: var(--text-secondary)"></span>
        <button id="next-btn" onclick="changePage(1)" class="px-4 py-2 border rounded disabled:opacity-50" style="border-color: var(--border); color: var(--text-secondary)">Next</button>
    </div>
</div>

<!-- Ebook Detail Modal -->
<div id="ebook-modal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center" style="display: none; z-index: 1000;">
    <div class="card max-w-2xl w-full mx-4 rounded-lg border max-h-screen overflow-y-auto" style="background-color: var(--bg-secondary);">
        <div class="p-6">
            <div class="flex justify-between items-start mb-4">
                <h3 id="modal-title" class="text-xl font-semibold" style="color: var(--text-primary)"></h3>
                <button onclick="closeModal()" class="text-xl" style="color: var(--text-secondary)">&times;</button>
            </div>
            <div id="modal-content">
                <!-- Content will be loaded here -->
            </div>
        </div>
    </div>
</div>

<script>
let currentPage = 1;
let currentSort = 'created_at DESC';
let allEbooks = [];

function showCreateForm() {
    document.getElementById('ebook-form').style.display = 'block';
    document.getElementById('form-title').textContent = 'Add New Ebook';
    document.getElementById('ebook-form-element').setAttribute('hx-post', '/api/ebooks');
    clearForm();
    document.getElementById('form-title-input').focus();
}

function showEditForm(ebook) {
    document.getElementById('ebook-form').style.display = 'block';
    document.getElementById('form-title').textContent = 'Edit Ebook';
    document.getElementById('ebook-form-element').setAttribute('hx-put', `/api/ebooks/${ebook.id}`);
    populateForm(ebook);
    document.getElementById('form-title-input').focus();
}

function hideCreateForm() {
    document.getElementById('ebook-form').style.display = 'none';
    clearForm();
}

function clearForm() {
    document.getElementById('ebook-form-element').reset();
}

function populateForm(ebook) {
    document.getElementById('form-title-input').value = ebook.title || '';
    document.getElementById('form-author-input').value = ebook.author || '';
    document.getElementById('form-isbn-input').value = ebook.isbn || '';
    document.getElementById('form-series-input').value = ebook.series || '';
    document.getElementById('form-series-number-input').value = ebook.series_number || '';
    document.getElementById('form-publisher-input').value = ebook.publisher || '';
    document.getElementById('form-date-published-input').value = ebook.date_published || '';
    document.getElementById('form-asin-input').value = ebook.asin || '';
    document.getElementById('form-tags-input').value = ebook.tags || '';
    document.getElementById('form-contributors-input').value = ebook.contributors || '';
    document.getElementById('form-description-input').value = ebook.description || '';
    document.getElementById('form-file-path-input').value = ebook.file_path || '';
    document.getElementById('form-file-size-input').value = ebook.file_size || '';
    document.getElementById('form-mime-type-input').value = ebook.mime_type || '';
    document.getElementById('form-cover-image-path-input').value = ebook.cover_image_path || '';
}

function handleFormResponse() {
    if (event.detail.xhr.status >= 200 && event.detail.xhr.status < 300) {
        hideCreateForm();
        loadEbooks();
    }
}

function loadEbooks() {
    const loading = document.getElementById('loading');
    const container = document.getElementById('ebooks-container');
    const emptyState = document.getElementById('empty-state');

    loading.style.display = 'block';
    container.innerHTML = '';

    const sort = document.getElementById('sort-select').value;
    currentSort = sort;

    fetch(`/api/ebooks?limit=12&offset=${(currentPage - 1) * 12}`, {
        headers: {
            'Authorization': 'Bearer ' + localStorage.getItem('token'),
            'Content-Type': 'application/json'
        }
    })
    .then(response => response.json())
    .then(data => {
        loading.style.display = 'none';
        allEbooks = data;

        if (data.length === 0) {
            emptyState.style.display = 'block';
            document.getElementById('pagination').style.display = 'none';
            return;
        }

        emptyState.style.display = 'none';
        renderEbooks(data);
    })
    .catch(error => {
        loading.style.display = 'none';
        console.error('Error loading ebooks:', error);
        container.innerHTML = '<div class="col-span-full text-center py-8" style="color: var(--text-secondary)">Error loading ebooks. Please try again.</div>';
    });
}

function renderEbooks(ebooks) {
    const container = document.getElementById('ebooks-container');
    container.innerHTML = '';

    ebooks.forEach(ebook => {
        const card = createEbookCard(ebook);
        container.appendChild(card);
    });
}

function createEbookCard(ebook) {
    const card = document.createElement('div');
    card.className = 'card p-4 rounded-lg border hover:shadow-lg transition-shadow';
    card.style.cssText = `background-color: var(--bg-secondary); border-color: var(--border);`;

    const coverUrl = ebook.cover_image_path ? ebook.cover_image_path : '/static/placeholder-book.svg';

    card.innerHTML = `
        <div class="flex flex-col h-full">
            <div class="flex-1">
                <div class="aspect-w-3 aspect-h-4 mb-3 overflow-hidden rounded">
                    <img src="${coverUrl}" alt="Cover" class="w-full h-48 object-cover rounded" onerror="this.src='/static/placeholder-book.svg'">
                </div>
                <h3 class="font-semibold text-lg mb-1 line-clamp-2" style="color: var(--text-primary)">${ebook.title}</h3>
                ${ebook.author ? `<p class="text-sm mb-2" style="color: var(--text-secondary)">by ${ebook.author}</p>` : ''}
                ${ebook.series ? `<p class="text-sm mb-2" style="color: var(--text-secondary)">${ebook.series}${ebook.series_number ? ' #' + ebook.series_number : ''}</p>` : ''}
                <div class="flex flex-wrap gap-1 mb-3">
                    ${ebook.tags ? ebook.tags.split(',').slice(0, 3).map(tag => `<span class="px-2 py-1 text-xs rounded" style="background-color: var(--accent); color: var(--bg-primary)">${tag.trim()}</span>`).join('') : ''}
                </div>
            </div>
            <div class="flex justify-between items-center mt-4">
                <div class="flex space-x-2">
                    <button onclick="viewEbook('${ebook.id}')" class="px-3 py-1 text-sm border rounded hover:opacity-80" style="border-color: var(--border); color: var(--text-secondary)">View</button>
                    <button onclick="showEditForm(${JSON.stringify(ebook).replace(/"/g, '&quot;')})" class="px-3 py-1 text-sm border rounded hover:opacity-80" style="border-color: var(--border); color: var(--text-secondary)">Edit</button>
                </div>
                <button onclick="deleteEbook('${ebook.id}')" class="px-3 py-1 text-sm text-red-500 hover:text-red-700">
                    Delete
                </button>
            </div>
        </div>
    `;

    return card;
}

function viewEbook(id) {
    fetch(`/api/ebooks/${id}`, {
        headers: {
            'Authorization': 'Bearer ' + localStorage.getItem('token'),
            'Content-Type': 'application/json'
        }
    })
    .then(response => response.json())
    .then(ebook => {
        showEbookModal(ebook);
    })
    .catch(error => {
        console.error('Error loading ebook:', error);
    });
}

function showEbookModal(ebook) {
    const modal = document.getElementById('ebook-modal');
    const title = document.getElementById('modal-title');
    const content = document.getElementById('modal-content');

    title.textContent = ebook.title;

    content.innerHTML = `
        <div class="space-y-4">
            <div class="flex space-x-4">
                <img src="${ebook.cover_image_path || '/static/placeholder-book.svg'}" alt="Cover" class="w-32 h-40 object-cover rounded" onerror="this.src='/static/placeholder-book.svg'">
                <div class="flex-1">
                    <h4 class="font-semibold mb-2" style="color: var(--text-primary)">${ebook.title}</h4>
                    ${ebook.author ? `<p style="color: var(--text-secondary)">Author: ${ebook.author}</p>` : ''}
                    ${ebook.publisher ? `<p style="color: var(--text-secondary)">Publisher: ${ebook.publisher}</p>` : ''}
                    ${ebook.date_published ? `<p style="color: var(--text-secondary)">Published: ${new Date(ebook.date_published).toLocaleDateString()}</p>` : ''}
                    ${ebook.isbn ? `<p style="color: var(--text-secondary)">ISBN: ${ebook.isbn}</p>` : ''}
                    ${ebook.asin ? `<p style="color: var(--text-secondary)">ASIN: ${ebook.asin}</p>` : ''}
                    ${ebook.series ? `<p style="color: var(--text-secondary)">Series: ${ebook.series}${ebook.series_number ? ' #' + ebook.series_number : ''}</p>` : ''}
                </div>
            </div>
            ${ebook.description ? `<div><h5 class="font-semibold mb-2" style="color: var(--text-primary)">Description</h5><p style="color: var(--text-secondary)">${ebook.description}</p></div>` : ''}
            ${ebook.tags ? `<div><h5 class="font-semibold mb-2" style="color: var(--text-primary)">Tags</h5><div class="flex flex-wrap gap-1">${ebook.tags.split(',').map(tag => `<span class="px-2 py-1 text-xs rounded" style="background-color: var(--accent); color: var(--bg-primary)">${tag.trim()}</span>`).join('')}</div></div>` : ''}
            ${ebook.contributors ? `<div><h5 class="font-semibold mb-2" style="color: var(--text-primary)">Contributors</h5><p style="color: var(--text-secondary)">${ebook.contributors}</p></div>` : ''}
            <div class="border-t pt-4" style="border-color: var(--border)">
                <h5 class="font-semibold mb-2" style="color: var(--text-primary)">File Information</h5>
                <p style="color: var(--text-secondary)">Size: ${formatFileSize(ebook.file_size)} | Type: ${ebook.mime_type}</p>
                <p style="color: var(--text-secondary)">Path: ${ebook.file_path}</p>
            </div>
        </div>
    `;

    modal.style.display = 'flex';
}

function closeModal() {
    document.getElementById('ebook-modal').style.display = 'none';
}

function deleteEbook(id) {
    if (confirm('Are you sure you want to delete this ebook?')) {
        fetch(`/api/ebooks/${id}`, {
            method: 'DELETE',
            headers: {
                'Authorization': 'Bearer ' + localStorage.getItem('token'),
                'Content-Type': 'application/json'
            }
        })
        .then(response => {
            if (response.ok) {
                loadEbooks();
            } else {
                alert('Error deleting ebook');
            }
        })
        .catch(error => {
            console.error('Error deleting ebook:', error);
            alert('Error deleting ebook');
        });
    }
}

function filterEbooks() {
    const searchTerm = document.getElementById('search-input').value.toLowerCase();
    const filteredEbooks = allEbooks.filter(ebook =>
        ebook.title.toLowerCase().includes(searchTerm) ||
        (ebook.author && ebook.author.toLowerCase().includes(searchTerm)) ||
        (ebook.tags && ebook.tags.toLowerCase().includes(searchTerm))
    );
    renderEbooks(filteredEbooks);
}

function changePage(direction) {
    currentPage += direction;
    if (currentPage < 1) currentPage = 1;
    loadEbooks();
}

function formatFileSize(bytes) {
    if (!bytes) return 'Unknown';
    const sizes = ['Bytes', 'KB', 'MB', 'GB'];
    const i = Math.floor(Math.log(bytes) / Math.log(1024));
    return Math.round(bytes / Math.pow(1024, i) * 100) / 100 + ' ' + sizes[i];
}

function logout() {
    localStorage.removeItem('token');
    localStorage.removeItem('user');
    window.location.href = '/';
}

function changeTheme() {
    const theme = document.getElementById('theme-select').value;
    applyTheme(theme);
    fetch('/api/auth/theme', {
        method: 'PUT',
        headers: {
            'Content-Type': 'application/json',
            'Authorization': 'Bearer ' + localStorage.getItem('token')
        },
        body: JSON.stringify({ theme })
    }).catch(err => console.log('Theme save failed', err));
}

function loadUserTheme() {
    const token = localStorage.getItem('token');
    if (token) {
        fetch('/api/auth/profile', {
            headers: { 'Authorization': 'Bearer ' + token }
        }).then(res => res.json()).then(data => {
            if (data.theme) applyTheme(data.theme);
        }).catch(() => {});
    }
}

// Load ebooks on page load
document.addEventListener('DOMContentLoaded', function() {
    loadTheme();
    loadUserTheme();
    document.getElementById('theme-select').value = localStorage.getItem('theme') || 'tokyo-night';
    loadEbooks();
});
</script>
{{end}}