{% extends "base.html" %}

{% block title %}Parts Labels - Admin{% endblock %}

{% block content %}
<div class="row mb-4">
    <div class="col">
        <h1><i class="bi bi-tags"></i> Parts Drawer Labels</h1>
        <p class="text-muted mb-0">{{ total_labels }} label{{ '' if total_labels == 1 else 's' }} defined</p>
    </div>
    <div class="col-auto">
        <a href="{{ url_for('labels.new_label', category=active_category.id if active_category else None) }}" class="btn btn-danger me-2">
            <i class="bi bi-plus-circle"></i> New Label
        </a>
        <a href="{{ url_for('labels.categories') }}" class="btn btn-outline-secondary me-2">
            <i class="bi bi-diagram-3"></i> Categories
        </a>
        <a href="{{ url_for('labels.settings') }}" class="btn btn-outline-secondary me-2">
            <i class="bi bi-sliders"></i> Settings
        </a>
        <a href="{{ url_for('admin.dashboard') }}" class="btn btn-outline-secondary">
            <i class="bi bi-arrow-left"></i> Back
        </a>
    </div>
</div>

{% if not rebrickable_ready %}
<div class="alert alert-info">
    <i class="bi bi-info-circle"></i>
    No Rebrickable API key yet, so part lookup is off. You can still add labels by hand and upload your own images.
    <a href="{{ url_for('labels.settings') }}" class="alert-link">Add a key</a> &mdash; it's free.
</div>
{% endif %}

<div class="row">
    <!-- Category tree -->
    <div class="col-lg-3 mb-4">
        <div class="card">
            <div class="card-header d-flex justify-content-between align-items-center">
                <strong><i class="bi bi-diagram-3"></i> Categories</strong>
                <a href="{{ url_for('labels.index') }}" class="small text-decoration-none">All</a>
            </div>
            <div class="list-group list-group-flush" style="max-height: 70vh; overflow-y: auto;">
                {% for root in roots %}
                <a href="{{ url_for('labels.index', category=root.id) }}"
                   class="list-group-item list-group-item-action d-flex justify-content-between align-items-center {% if active_category and active_category.id == root.id %}active{% endif %}">
                    <span>
                        <span class="badge rounded-pill me-1" style="background: {{ root.accent_colour() }};">&nbsp;</span>
                        {{ root.display_code }} {{ root.name }}
                    </span>
                    <span class="badge bg-secondary rounded-pill">{{ root.label_count() }}</span>
                </a>
                {% for child in root.children %}
                <a href="{{ url_for('labels.index', category=child.id) }}"
                   class="list-group-item list-group-item-action ps-4 small d-flex justify-content-between align-items-center {% if active_category and active_category.id == child.id %}active{% endif %}">
                    <span class="text-truncate">&#8627; {{ child.name }}</span>
                    <span class="badge bg-light text-dark rounded-pill">{{ child.label_count() }}</span>
                </a>
                {% endfor %}
                {% else %}
                <div class="list-group-item text-muted small">No categories yet.</div>
                {% endfor %}
            </div>
        </div>
    </div>

    <!-- Labels -->
    <div class="col-lg-9">
        <div class="card mb-3">
            <div class="card-body">
                <form method="GET" class="row g-2 align-items-end">
                    {% if active_category %}<input type="hidden" name="category" value="{{ active_category.id }}">{% endif %}
                    <div class="col-md-8">
                        <label class="form-label small mb-1">Search labels</label>
                        <input type="search" name="q" value="{{ search }}" class="form-control"
                               placeholder="Part number, name, dimensions or drawer...">
                    </div>
                    <div class="col-md-4">
                        <button class="btn btn-outline-danger w-100"><i class="bi bi-search"></i> Search</button>
                    </div>
                </form>
            </div>
        </div>

        {% if rebrickable_ready %}
        <div class="card mb-3">
            <div class="card-body">
                <label class="form-label small mb-1"><i class="bi bi-cloud-arrow-down"></i> Look up a part on Rebrickable</label>
                <div class="input-group">
                    <input type="text" id="lookupQuery" class="form-control" placeholder="e.g. 3001 or &quot;brick 2 x 4&quot;">
                    <button class="btn btn-outline-secondary" type="button" id="lookupBtn">Search</button>
                </div>
                <div id="lookupResults" class="row g-2 mt-2"></div>
            </div>
        </div>
        {% endif %}

        <form method="POST" action="{{ url_for('labels.print_sheet') }}" id="printForm">
            <div class="card">
                <div class="card-header d-flex flex-wrap gap-2 justify-content-between align-items-center">
                    <div>
                        <input type="checkbox" class="form-check-input me-1" id="checkAll">
                        <label for="checkAll" class="small">Select all on this page</label>
                    </div>
                    <div class="d-flex gap-2 align-items-center">
                        <select name="preset" class="form-select form-select-sm" style="min-width: 260px;">
                            {% for key, preset in presets.items() %}
                            <option value="{{ key }}" {% if key == default_preset %}selected{% endif %}>{{ preset.name }}</option>
                            {% endfor %}
                        </select>
                        <button class="btn btn-sm btn-danger" type="submit">
                            <i class="bi bi-printer"></i> Print selected
                        </button>
                        {% if active_category %}
                        <a href="{{ url_for('labels.print_sheet', category=active_category.id, preset=default_preset) }}"
                           class="btn btn-sm btn-outline-danger">Print whole category</a>
                        {% endif %}
                    </div>
                </div>

                <div class="table-responsive">
                    <table class="table table-hover align-middle mb-0">
                        <thead class="table-light">
                            <tr>
                                <th style="width: 38px;"></th>
                                <th style="width: 60px;">Image</th>
                                <th>Part</th>
                                <th>Category</th>
                                <th>Drawer</th>
                                <th style="width: 110px;"></th>
                            </tr>
                        </thead>
                        <tbody>
                        {% for label in labels %}
                            <tr>
                                <td><input type="checkbox" class="form-check-input label-check" name="ids" value="{{ label.id }}"></td>
                                <td>
                                    {% if label.get_image() %}
                                    <img src="{{ label.get_image() }}" alt="" style="width: 44px; height: 44px; object-fit: contain;">
                                    {% else %}
                                    <span class="text-muted"><i class="bi bi-image"></i></span>
                                    {% endif %}
                                </td>
                                <td>
                                    <strong>{{ label.display_title }}</strong>
                                    {% if label.part_numbers_text %}
                                    <div class="small text-muted">{{ label.part_numbers_text }}</div>
                                    {% endif %}
                                    {% if label.colour_name %}
                                    <span class="badge bg-light text-dark">{{ label.colour_name }}</span>
                                    {% endif %}
                                </td>
                                <td class="small">
                                    {% if label.category %}
                                    <span class="badge rounded-pill" style="background: {{ label.category.accent_colour() }};">&nbsp;</span>
                                    {{ label.category.full_name }}
                                    {% else %}
                                    <span class="text-muted">Uncategorised</span>
                                    {% endif %}
                                </td>
                                <td class="small">{{ label.location or '-' }}</td>
                                <td class="text-end">
                                    <a href="{{ url_for('labels.edit_label', label_id=label.id) }}" class="btn btn-sm btn-outline-secondary">
                                        <i class="bi bi-pencil"></i>
                                    </a>
                                    <a href="{{ url_for('labels.print_sheet', ids=label.id, preset=default_preset) }}" class="btn btn-sm btn-outline-danger">
                                        <i class="bi bi-printer"></i>
                                    </a>
                                </td>
                            </tr>
                        {% else %}
                            <tr><td colspan="6" class="text-center text-muted py-4">
                                No labels here yet.
                                <a href="{{ url_for('labels.new_label', category=active_category.id if active_category else None) }}">Add the first one</a>.
                            </td></tr>
                        {% endfor %}
                        </tbody>
                    </table>
                </div>
            </div>
        </form>

        {% if pagination.pages > 1 %}
        <nav class="mt-3">
            <ul class="pagination justify-content-center">
                <li class="page-item {% if not pagination.has_prev %}disabled{% endif %}">
                    <a class="page-link" href="{{ url_for('labels.index', page=pagination.prev_num, category=active_category.id if active_category else None, q=search) }}">Previous</a>
                </li>
                <li class="page-item disabled"><span class="page-link">{{ pagination.page }} / {{ pagination.pages }}</span></li>
                <li class="page-item {% if not pagination.has_next %}disabled{% endif %}">
                    <a class="page-link" href="{{ url_for('labels.index', page=pagination.next_num, category=active_category.id if active_category else None, q=search) }}">Next</a>
                </li>
            </ul>
        </nav>
        {% endif %}
    </div>
</div>

<!-- Hidden form used to import a Rebrickable result -->
<form method="POST" action="{{ url_for('labels.import_part') }}" id="importForm">
    <input type="hidden" name="part_number" id="importPartNumber">
    <input type="hidden" name="category_id" value="{{ active_category.id if active_category else '' }}">
</form>
{% endblock %}

{% block extra_js %}
<script>
document.getElementById('checkAll')?.addEventListener('change', function () {
    document.querySelectorAll('.label-check').forEach(box => { box.checked = this.checked; });
});

const lookupBtn = document.getElementById('lookupBtn');
if (lookupBtn) {
    const runLookup = async () => {
        const query = document.getElementById('lookupQuery').value.trim();
        const target = document.getElementById('lookupResults');
        if (!query) { target.innerHTML = ''; return; }
        target.innerHTML = '<div class="col-12 text-muted small">Searching Rebrickable...</div>';
        try {
            const response = await fetch('{{ url_for("labels.lookup") }}?q=' + encodeURIComponent(query));
            const data = await response.json();
            if (!data.ok) {
                target.innerHTML = '<div class="col-12 text-danger small">' + (data.reason || 'Lookup failed.') + '</div>';
                return;
            }
            if (!data.results.length) {
                target.innerHTML = '<div class="col-12 text-muted small">Nothing found.</div>';
                return;
            }
            target.innerHTML = data.results.map(part => `
                <div class="col-6 col-md-4 col-xl-3">
                  <div class="card h-100">
                    <div class="card-body p-2 text-center">
                      ${part.image_url ? `<img src="${part.image_url}" alt="" style="height:60px;object-fit:contain;">` : ''}
                      <div class="small fw-semibold text-truncate" title="${part.name}">${part.name}</div>
                      <div class="small text-muted">${part.part_number}</div>
                      <button type="button" class="btn btn-sm btn-outline-danger mt-1 import-part" data-part="${part.part_number}">Add label</button>
                    </div>
                  </div>
                </div>`).join('');
            target.querySelectorAll('.import-part').forEach(button => {
                button.addEventListener('click', () => {
                    document.getElementById('importPartNumber').value = button.dataset.part;
                    document.getElementById('importForm').submit();
                });
            });
        } catch (err) {
            target.innerHTML = '<div class="col-12 text-danger small">Lookup failed.</div>';
        }
    };
    lookupBtn.addEventListener('click', runLookup);
    document.getElementById('lookupQuery').addEventListener('keydown', e => {
        if (e.key === 'Enter') { e.preventDefault(); runLookup(); }
    });
}
</script>
{% endblock %}