package templates

templ UnlinkedBooks(user User, unlinkedBooks []UnlinkedBookData) {
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Unlinked Books - Bookhoard</title>
        <script src="/static/htmx.min.js"></script>
        <script src="/static/toast.js"></script>
        <script src="/static/header.js"></script>
        <link href="/static/style.css" rel="stylesheet">
    </head>
    <body class="theme-{ user.Theme }">
        @Header(user, "/unlinked")

        <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
            <div class="mb-8">
                <h1 class="text-3xl font-bold" style="color: var(--text-primary)">Unlinked Books</h1>
                <p style="color: var(--text-secondary)">Resolve books that couldn't be automatically matched between devices</p>
            </div>

            if len(unlinkedBooks) > 0 {
                <div class="flex justify-between items-center mb-6 p-4 rounded-lg border" style="background-color: var(--bg-secondary); border-color: var(--border);">
                    <div class="flex items-center gap-4">
                        <input type="checkbox" id="select-all-unlinked" onchange="toggleAllUnlinked()" class="w-5 h-5">
                        <label for="select-all-unlinked" class="cursor-pointer" style="color: var(--text-primary)">Select All</label>
                        <span id="selected-count" class="text-sm" style="color: var(--text-secondary)">0 selected</span>
                    </div>
                    <div class="flex gap-2">
                        <button onclick="bulkAutoLink()" class="btn-secondary px-4 py-2 rounded-lg text-sm">
                            🤖 Auto-Link Selected (High Confidence)
                        </button>
                        <button onclick="bulkGetSuggestions()" class="btn-secondary px-4 py-2 rounded-lg text-sm">
                            💡 Get Suggestions for Selected
                        </button>
                        <button onclick="showBulkManualLink()" class="btn-primary px-4 py-2 rounded-lg text-sm">
                            🔗 Bulk Manual Link
                        </button>
                    </div>
                </div>
            }

            <div id="unlinked-container" class="space-y-6">
                if len(unlinkedBooks) == 0 {
                    <div class="text-center py-16" style="color: var(--text-secondary)">
                        <div class="text-6xl mb-4">✓</div>
                        <h3 class="text-xl font-semibold mb-2" style="color: var(--text-primary)">All Books Linked!</h3>
                        <p>There are no unlinked books that need manual resolution.</p>
                    </div>
                }

                for _, book := range unlinkedBooks {
                    <div class="card p-6 rounded-lg border" style="background-color: var(--bg-secondary); border-color: var(--border);">
                        <div class="flex gap-6">
                            <div class="flex items-start pt-2">
                                <input type="checkbox" class="unlinked-checkbox w-5 h-5" data-progress-id="{ book.ProgressID }" data-title="{ book.TitleFromDevice }" onchange="updateSelectedCount()">
                            </div>
                            <div class="flex-1">
                                <div class="flex items-center gap-3 mb-4">
                                    <div class="text-4xl">
                                        if book.DeviceType == "koreader" {
                                            📖
                                        } else if book.DeviceType == "kobo" {
                                            📚
                                        } else {
                                            📱
                                        }
                                    </div>
                                    <div>
                                        <h3 class="font-semibold text-lg" style="color: var(--text-primary)">{ book.TitleFromDevice }</h3>
                                        <p class="text-sm" style="color: var(--text-secondary)">
                                            Device: { book.DeviceName } ({ book.DeviceType })
                                        </p>
                                    </div>
                                </div>

                                <div class="space-y-2 text-sm mb-4">
                                    <div>
                                        <span style="color: var(--text-secondary)">File Path:</span>
                                        <code style="color: var(--text-primary); background-color: var(--bg-primary); padding: 2px 6px; border-radius: 4px;">
                                            { book.FilePath }
                                        </code>
                                    </div>
                                    if book.SHA256 != "" {
                                        <div>
                                            <span style="color: var(--text-secondary)">SHA-256:</span>
                                            <code style="color: var(--text-primary); background-color: var(--bg-primary); padding: 2px 6px; border-radius: 4px; font-size: 11px;">
                                                { book.SHA256 }
                                            </code>
                                        </div>
                                    }
                                    <div>
                                        <span style="color: var(--text-secondary)">Last Synced:</span>
                                        <span style="color: var(--text-primary)">{ book.LastSyncTime }</span>
                                    </div>
                                    if book.ConfidenceScore > 0 {
                                        <div>
                                            <span style="color: var(--text-secondary)">Auto-Link Confidence:</span>
                                            <span style="color: var(--text-primary)">
                                                { book.ConfidenceScore }% confidence
                                            </span>
                                        </div>
                                    }
                                </div>

                                <div class="mb-4">
                                    <button onclick="searchMatches('{ book.ProgressID }', '{ book.SHA256 }', '{ book.TitleFromDevice }')"
                                            class="btn-secondary px-4 py-2 rounded-lg text-sm">
                                        🔍 Find Potential Matches
                                    </button>
                                    <button onclick="showManualLinkModal('{ book.ProgressID }', '{ book.TitleFromDevice }')"
                                            class="btn-primary px-4 py-2 rounded-lg text-sm">
                                        🔗 Manually Link
                                    </button>
                                </div>

                                <div id="matches-{ book.ProgressID }" class="hidden">
                                    <div class="border-t pt-4" style="border-color: var(--border);">
                                        <h4 class="font-semibold mb-3" style="color: var(--text-primary)">Potential Matches</h4>
                                        <div id="matches-list-{ book.ProgressID }" class="space-y-3">
                                            <p style="color: var(--text-secondary)">Click "Find Potential Matches" to search</p>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                }
            </div>
        </div>

        <!-- Manual Link Modal -->
        <div id="manual-link-modal" class="hidden fixed inset-0 z-50 flex items-center justify-center" style="background-color: rgba(0, 0, 0, 0.7);">
            <div class="card rounded-lg p-6 w-full max-w-md mx-4" style="background-color: var(--bg-secondary); border-color: var(--border);">
                <div class="flex justify-between items-center mb-6">
                    <h2 class="text-xl font-bold" style="color: var(--text-primary)">Manually Link Book</h2>
                    <button onclick="hideManualLinkModal()" class="p-2 hover:opacity-80 rounded" style="color: var(--text-primary)">✕</button>
                </div>

                <input type="hidden" id="link-progress-id">
                <input type="hidden" id="link-book-sha256">

                <div class="mb-4">
                    <label class="block text-sm font-medium mb-2" style="color: var(--text-secondary)">Book Title from Device</label>
                    <input type="text" id="link-book-title" readonly
                        class="w-full px-4 py-2 border rounded-lg"
                        style="background-color: var(--bg-primary); color: var(--text-secondary); border-color: var(--border);">
                </div>

                <div class="mb-4">
                    <label class="block text-sm font-medium mb-2" style="color: var(--text-secondary)">Search for Book to Link</label>
                    <div class="flex gap-2">
                        <input type="text" id="link-search-input" placeholder="Search by title, author..."
                            class="flex-1 px-4 py-2 border rounded-lg"
                            style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border);">
                        <button type="button" onclick="searchBooksForLink()"
                                class="btn-primary px-4 py-2 rounded-lg">
                            Search
                        </button>
                    </div>
                </div>

                <div id="link-search-results" class="mb-4 max-h-48 overflow-y-auto space-y-2">
                    <p style="color: var(--text-secondary)">Search for books to link</p>
                </div>

                <div class="mb-4">
                    <label class="block text-sm font-medium mb-2" style="color: var(--text-secondary)">Confidence Score</label>
                    <input type="number" id="link-confidence" min="0" max="1" step="0.1" value="1.0"
                        class="w-full px-4 py-2 border rounded-lg"
                        style="background-color: var(--bg-primary); color: var(--text-primary); border-color: var(--border);">
                    <p class="text-xs mt-1" style="color: var(--text-secondary)">1.0 = manual override (highest confidence)</p>
                </div>

                <div class="flex justify-end space-x-3">
                    <button type="button" onclick="hideManualLinkModal()" class="btn-secondary px-4 py-2 rounded-lg">
                        Cancel
                    </button>
                    <button type="button" onclick="confirmManualLink()" class="btn-primary px-4 py-2 rounded-lg">
                        Link Book
                    </button>
                </div>
            </div>
        </div>

        <script>
            let selectedMediaItem = null;

            function searchMatches(progressId, sha256, title) {
                const container = document.getElementById(`matches-${progressId}`);
                const matchesList = document.getElementById(`matches-list-${progressId}`);

                container.classList.remove('hidden');
                matchesList.innerHTML = '<p class="text-sm" style="color: var(--text-secondary)">Searching...</p>';

                const url = sha256 ? `/api/books/match?sha256=${sha256}` : `/api/books/match?title=${encodeURIComponent(title)}`;

                fetch(url, {
                    headers: { 'Authorization': 'Bearer ' + localStorage.getItem('token') }
                })
                .then(response => response.json())
                .then(result => {
                    if (result.matches && result.matches.length > 0) {
                        matchesList.innerHTML = result.matches.map(match => `
                            <div class="card p-4 rounded-lg border cursor-pointer hover:shadow-lg transition-shadow"
                                 style="background-color: var(--bg-primary); border-color: var(--border);"
                                 onclick="autoLinkBook('${progressId}', '${match.media_item_id}', ${match.confidence})">
                                <div class="flex gap-4">
                                    <img src="${match.cover_image_path || '/static/placeholder-book.svg'}"
                                         alt="Cover" class="w-16 h-24 object-cover rounded">
                                    <div>
                                        <h5 class="font-semibold" style="color: var(--text-primary)">${match.title}</h5>
                                        <p class="text-sm" style="color: var(--text-secondary)">by ${match.author || 'Unknown'}</p>
                                        <div class="mt-2 flex items-center gap-2">
                                            <span class="text-xs px-2 py-1 rounded" style="background-color: var(--accent); color: var(--bg-primary);">
                                                ${Math.round(match.confidence * 100)}% confidence
                                            </span>
                                            <span class="text-xs" style="color: var(--text-secondary)">${match.match_method}</span>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        `).join('');
                    } else {
                        matchesList.innerHTML = '<p class="text-sm" style="color: var(--text-secondary)">No matches found. Try manual linking.</p>';
                    }
                })
                .catch(error => {
                    matchesList.innerHTML = '<p class="text-sm" style="color: var(--error)">Failed to search</p>';
                });
            }

            function autoLinkBook(progressId, mediaItemId, confidence) {
                if (!confirm('Link this book? The confidence score is ' + Math.round(confidence * 100) + '%')) return;

                const data = {
                    device_file: {
                        file_path: document.getElementById(`matches-${progressId}`).querySelector('code').textContent,
                        sha256: document.getElementById(`matches-${progressId}`).querySelector('[title="SHA-256"]')?.textContent || ''
                    },
                    media_item_id: mediaItemId,
                    confidence_score: confidence
                };

                fetch(`/api/devices/${deviceId}/sync/link-book`, {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                        'Authorization': 'Bearer ' + localStorage.getItem('token')
                    },
                    body: JSON.stringify(data)
                })
                .then(response => response.json())
                .then(result => {
                    showToast('Book linked successfully', 'success');
                    location.reload();
                })
                .catch(error => {
                    showToast('Failed to link book', 'error');
                });
            }

            function showManualLinkModal(progressId, bookTitle) {
                document.getElementById('link-progress-id').value = progressId;
                document.getElementById('link-book-title').value = bookTitle;
                document.getElementById('link-search-results').innerHTML = '<p style="color: var(--text-secondary)">Search for books to link</p>';
                selectedMediaItem = null;
                document.getElementById('manual-link-modal').classList.remove('hidden');
            }

            function hideManualLinkModal() {
                document.getElementById('manual-link-modal').classList.add('hidden');
                document.getElementById('link-search-input').value = '';
                selectedMediaItem = null;
            }

            function searchBooksForLink() {
                const searchTerm = document.getElementById('link-search-input').value;
                const resultsContainer = document.getElementById('link-search-results');

                if (searchTerm.length < 2) {
                    resultsContainer.innerHTML = '<p class="text-sm" style="color: var(--text-secondary)">Enter at least 2 characters</p>';
                    return;
                }

                resultsContainer.innerHTML = '<p class="text-sm" style="color: var(--text-secondary)">Searching...</p>';

                fetch(`/api/books/match?title=${encodeURIComponent(searchTerm)}`, {
                    headers: { 'Authorization': 'Bearer ' + localStorage.getItem('token') }
                })
                .then(response => response.json())
                .then(result => {
                    if (result.matches && result.matches.length > 0) {
                        resultsContainer.innerHTML = result.matches.map(match => `
                            <div class="card p-3 rounded-lg border cursor-pointer ${selectedMediaItem === match.media_item_id ? 'border-2 border-blue-500' : ''}"
                                 style="background-color: var(--bg-primary); border-color: var(--border);"
                                 onclick="selectBookForLink('${match.media_item_id}', '${match.title}', '${match.cover_image_path || ''}')">
                                <div class="flex gap-3">
                                    <img src="${match.cover_image_path || '/static/placeholder-book.svg'}"
                                         alt="Cover" class="w-12 h-16 object-cover rounded">
                                    <div>
                                        <h5 class="font-semibold text-sm" style="color: var(--text-primary)">${match.title}</h5>
                                        <p class="text-xs" style="color: var(--text-secondary)">by ${match.author || 'Unknown'}</p>
                                        <p class="text-xs" style="color: var(--accent)">${Math.round(match.confidence * 100)}% confidence</p>
                                    </div>
                                </div>
                            </div>
                        `).join('');
                    } else {
                        resultsContainer.innerHTML = '<p class="text-sm" style="color: var(--text-secondary)">No matches found</p>';
                    }
                })
                .catch(error => {
                    resultsContainer.innerHTML = '<p class="text-sm" style="color: var(--error)">Failed to search</p>';
                });
            }

            function selectBookForLink(mediaItemId, title, coverPath) {
                selectedMediaItem = mediaItemId;
                const resultsContainer = document.getElementById('link-search-results');
                const cards = resultsContainer.querySelectorAll('.card');
                cards.forEach(card => {
                    card.classList.remove('border-2', 'border-blue-500');
                    if (card.getAttribute('onclick').includes(mediaItemId)) {
                        card.classList.add('border-2', 'border-blue-500');
                    }
                });
            }

            function confirmManualLink() {
                if (!selectedMediaItem) {
                    showToast('Please select a book to link', 'error');
                    return;
                }

                const progressId = document.getElementById('link-progress-id').value;
                const confidence = parseFloat(document.getElementById('link-confidence').value);

                const data = {
                    device_file: {
                        file_path: document.getElementById('link-book-title').value,
                        sha256: document.getElementById('link-book-sha256').value
                    },
                    media_item_id: selectedMediaItem,
                    confidence_score: confidence
                };

                fetch(`/api/devices/${deviceId}/sync/link-book`, {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                        'Authorization': 'Bearer ' + localStorage.getItem('token')
                    },
                    body: JSON.stringify(data)
                })
                .then(response => response.json())
                .then(result => {
                    showToast('Book linked successfully', 'success');
                    hideManualLinkModal();
                    location.reload();
                })
                .catch(error => {
                    showToast('Failed to link book', 'error');
                });
            }

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

            // Bulk Operations Functions

            function toggleAllUnlinked() {
                const selectAll = document.getElementById('select-all-unlinked');
                document.querySelectorAll('.unlinked-checkbox').forEach(cb => {
                    cb.checked = selectAll.checked;
                });
                updateSelectedCount();
            }

            function getSelectedUnlinked() {
                return Array.from(document.querySelectorAll('.unlinked-checkbox:checked'))
                    .map(cb => ({
                        progressId: cb.getAttribute('data-progress-id'),
                        title: cb.getAttribute('data-title')
                    }));
            }

            function updateSelectedCount() {
                const count = document.querySelectorAll('.unlinked-checkbox:checked').length;
                document.getElementById('selected-count').textContent = `${count} selected`;
            }

            async function bulkAutoLink() {
                const selected = getSelectedUnlinked();
                if (selected.length === 0) {
                    showToast('Please select at least one book', 'error');
                    return;
                }

                if (!confirm(`Auto-link ${selected.length} books with high confidence matches (≥80%)?`)) {
                    return;
                }

                try {
                    const response = await fetch('/sync/auto-link-books', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/json',
                            'Authorization': 'Bearer ' + localStorage.getItem('token')
                        },
                        body: JSON.stringify({
                            confidence_threshold: 0.8,
                            limit: selected.length
                        })
                    });

                    const result = await response.json();
                    showToast(`Auto-linked ${result.auto_linked} books successfully`, 'success');
                    setTimeout(() => location.reload(), 1500);
                } catch (error) {
                    showToast('Auto-link failed: ' + error.message, 'error');
                }
            }

            async function bulkGetSuggestions() {
                const selected = getSelectedUnlinked();
                if (selected.length === 0) {
                    showToast('Please select at least one book', 'error');
                    return;
                }

                for (const book of selected) {
                    try {
                        const response = await fetch(`/sync/unlinked-books/${book.progressId}/suggestions`, {
                            headers: {
                                'Authorization': 'Bearer ' + localStorage.getItem('token')
                            }
                        });

                        const result = await response.json();
                        displaySuggestions(book.progressId, result.suggestions, result.action);
                    } catch (error) {
                        console.error('Failed to get suggestions:', error);
                    }
                }
            }

            function displaySuggestions(progressId, suggestions, action) {
                const container = document.getElementById(`matches-${progressId}`);
                if (!container) return;

                container.classList.remove('hidden');
                const listContainer = container.querySelector('.matches-list');
                listContainer.innerHTML = '';

                if (suggestions.length === 0) {
                    listContainer.innerHTML = '<p style="color: var(--text-secondary)">No matches found</p>';
                    return;
                }

                suggestions.forEach(match => {
                    const div = document.createElement('div');
                    div.className = 'p-3 border rounded cursor-pointer hover:bg-opacity-80 transition-colors';
                    div.style.cssText = `background-color: var(--bg-primary); border-color: var(--border);`;
                    div.innerHTML = `
                        <div class="flex justify-between items-center">
                            <div>
                                <h4 class="font-semibold" style="color: var(--text-primary)">${match.title}</h4>
                                <p class="text-sm" style="color: var(--text-secondary)">Author: ${match.author || 'Unknown'}</p>
                            </div>
                            <div class="text-right">
                                <div class="text-sm font-semibold" style="color: var(--text-primary)">
                                    ${(match.confidence * 100).toFixed(0)}% confidence
                                </div>
                                <div class="text-xs" style="color: var(--text-secondary)">${match.match_method}</div>
                            </div>
                        </div>
                    `;
                    div.onclick = () => selectMatchForLink(progressId, match);
                    listContainer.appendChild(div);
                });
            }

            function showBulkManualLink() {
                const selected = getSelectedUnlinked();
                if (selected.length === 0) {
                    showToast('Please select at least one book', 'error');
                    return;
                }

                showToast(`Bulk manual link for ${selected.length} books - select target book in library`, 'info');
                // For now, redirect to manual linking. In the future, this could open a modal
                window.location.href = '/library?mode=link&unlinked=' + selected.map(s => s.progressId).join(',');
            }
        </script>
    </body>
    </html>
}
