{% extends "dashboard/base.html" %}

{% block title %}{{ lang_name }} Translations - Translator{% endblock %}

{% block extra_css %}
<style>
    .translation-card {
        display: none;
    }
    .desktop-table {
        overflow-x: auto;
    }
    .desktop-table thead th {
        position: sticky;
        top: 0;
        background: var(--gray-50);
        z-index: 2;
    }
    .ref-col-select {
        font-size: 0.75rem;
        padding: 0.125rem 0.25rem;
        border: 1px solid var(--gray-300);
        border-radius: 0.25rem;
        background: white;
        cursor: pointer;
    }
    @media (min-width: 769px) and (max-width: 1024px) {
        .desktop-table table {
            min-width: 700px;
        }
        .desktop-table th:last-child,
        .desktop-table td:last-child {
            position: sticky;
            right: 0;
            background: white;
            z-index: 1;
        }
        .desktop-table thead th:last-child {
            background: var(--gray-50);
        }
    }
    @media (max-width: 768px) {
        .desktop-table {
            display: none !important;
        }
        .translation-card {
            display: block;
            background: white;
            border: 1px solid var(--gray-200);
            border-radius: 0.5rem;
            padding: 0.75rem;
            margin-bottom: 0.5rem;
        }
        .translation-card-key {
            font-family: monospace;
            font-size: 0.75rem;
            color: var(--gray-700);
            word-break: break-all;
            margin-bottom: 0.25rem;
        }
        .translation-card-value {
            font-size: 0.8125rem;
            color: var(--gray-900);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            margin-bottom: 0.25rem;
        }
        .translation-card-comment {
            font-size: 0.6875rem;
            color: var(--gray-500);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            margin-bottom: 0.5rem;
        }
        .translation-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 0.5rem;
        }
        .translation-card-meta {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            flex: 1;
            min-width: 0;
        }
        .translation-card-source {
            font-size: 0.625rem;
            color: var(--gray-500);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .translation-card-actions {
            display: flex;
            gap: 0.25rem;
            flex-shrink: 0;
        }
        .filters {
            gap: 0.5rem !important;
        }
        .filter-group {
            flex: 1;
            min-width: 0;
        }
        .form-input, .form-select {
            font-size: 0.8125rem !important;
        }
    }
</style>
{% endblock %}

{% block breadcrumb %}
<div class="breadcrumb">
    <a href="{% url 'dashboard-index' %}">Dashboard</a>
    <span>/</span>
    <span>{{ lang_name }}</span>
</div>
{% endblock %}

{% block content %}
<div class="page-header d-flex justify-between align-center">
    <h1 class="page-title">{{ lang_name }} <span class="badge badge-gray">{{ lang_code }}</span></h1>
    <span class="badge badge-gray">{{ translations|length }} keys</span>
</div>

<div class="filters">
    <div class="filter-group">
        <label class="filter-label">Status:</label>
        <select class="form-select" style="width: auto;" id="filter-verified" data-change="applyFilters">
            <option value="">All</option>
            <option value="false" {% if verified_filter == 'false' %}selected{% endif %}>Unverified</option>
            <option value="true" {% if verified_filter == 'true' %}selected{% endif %}>Verified</option>
        </select>
    </div>
    <div class="filter-group">
        <label class="filter-label">Source:</label>
        <select class="form-select" style="width: auto;" id="filter-source" data-change="applyFilters">
            <option value="">All sources</option>
            {% for source in sources %}
                <option value="{{ source }}" {% if source_filter == source %}selected{% endif %}>{{ source }}</option>
            {% endfor %}
        </select>
    </div>
    <div class="filter-group">
        <input type="text" class="form-input" style="width: 200px;" placeholder="Search..."
               id="filter-search" value="{{ search_filter }}">
    </div>
    <div class="filter-group">
        <label style="display: flex; align-items: center; gap: 0.25rem; cursor: pointer;">
            <input type="checkbox" id="filter-no-refs" {% if no_refs_filter == 'true' %}checked{% endif %} data-change="applyFilters">
            <span class="filter-label" style="margin: 0;">No refs</span>
        </label>
    </div>
    <div class="filter-group">
        <label class="filter-label">Sort:</label>
        <select class="form-select" style="width: auto;" id="filter-sort" data-change="applyFilters">
            <option value="default" {% if sort_filter == 'default' %}selected{% endif %}>Contextual</option>
            <option value="id" {% if sort_filter == 'id' %}selected{% endif %}>By ID</option>
            <option value="alpha" {% if sort_filter == 'alpha' %}selected{% endif %}>Alphabetical</option>
            <option value="order" {% if sort_filter == 'order' %}selected{% endif %}>By Order &uarr;</option>
            <option value="order_desc" {% if sort_filter == 'order_desc' %}selected{% endif %}>By Order &darr;</option>
        </select>
    </div>
    <a href="{% url 'dashboard-language-page' lang_code %}" class="btn btn-secondary btn-sm">Clear</a>
</div>

{% if is_privileged and no_refs_filter == 'true' and translations|length > 0 %}
<div style="margin-bottom: 1rem;">
    <form id="delete-orphans-form" method="post" action="{% url 'dashboard-delete-orphans' %}" style="display: inline;">
        {% csrf_token %}
    </form>
    <button type="button" class="btn" style="background: var(--danger); color: white;"
            data-click="confirmDeleteOrphans" data-count="{{ translations|length }}">
        Delete All Orphans ({{ translations|length }})
    </button>
</div>
{% endif %}

<!-- Desktop Table -->
<div class="card desktop-table">
    <table>
        <thead>
            <tr>
                <th style="width: 35%;">
                    <select class="ref-col-select" id="ref-col-select" data-change="changeRefCol">
                        {% for opt in ref_options %}
                        <option value="{{ opt.value }}" {% if ref_col == opt.value %}selected{% endif %}>{{ opt.label }}</option>
                        {% endfor %}
                    </select>
                </th>
                <th style="width: 30%;">Translation</th>
                <th style="width: 10%;">Source</th>
                <th style="width: 10%;">Status</th>
                <th style="width: 15%;">Actions</th>
            </tr>
        </thead>
        <tbody>
            {% for item in translations %}
            <tr>
                <td>
                    <div class="{% if ref_col == 'key' %}translation-key{% endif %}" title="{{ item.key }}">{{ item.ref_value }}</div>
                    {% if ref_col == 'key' and item.comment %}
                    <div class="text-muted mt-1" style="font-size: 0.75rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;" title="{{ item.comment }}">{{ item.comment }}</div>
                    {% endif %}
                </td>
                <td>
                    <div class="translation-value" title="{{ item.value }}">
                        {% if item.value %}
                            {{ item.value }}
                        {% else %}
                            <span class="text-muted">—</span>
                        {% endif %}
                    </div>
                </td>
                <td>
                    <span class="text-muted" style="font-size: 0.75rem;">{{ item.source|default:"—" }}</span>
                </td>
                <td>
                    {% if item.verified %}
                        <span class="badge badge-success">Verified</span>
                    {% else %}
                        <span class="badge badge-warning">Pending</span>
                    {% endif %}
                </td>
                <td>
                    <div class="d-flex gap-2">
                        <a href="{% url 'dashboard-translation-page' item.id %}?lang={{ lang_code }}{% if verified_filter %}&verified={{ verified_filter }}{% endif %}{% if source_filter %}&source={{ source_filter }}{% endif %}{% if sort_filter and sort_filter != 'default' %}&sort={{ sort_filter }}{% endif %}"
                           class="btn btn-primary btn-sm">Edit</a>
                        {% if item.verified %}
                        <button type="button" class="btn btn-sm" style="background: var(--warning); color: white; padding: 0.25rem 0.5rem;"
                                data-click="toggleVerify" data-id="{{ item.id }}" data-verified="false" title="Unverify">✗</button>
                        {% else %}
                        <button type="button" class="btn btn-sm" style="background: var(--success); color: white; padding: 0.25rem 0.5rem;"
                                data-click="toggleVerify" data-id="{{ item.id }}" data-verified="true" title="Verify">✓</button>
                        {% endif %}
                        {% if is_privileged %}
                        <button type="button" class="btn btn-sm" style="background: var(--danger); color: white; padding: 0.25rem 0.5rem;"
                                data-click="confirmDelete" data-id="{{ item.id }}" data-key="{{ item.key }}">×</button>
                        {% endif %}
                    </div>
                </td>
            </tr>
            {% empty %}
            <tr>
                <td colspan="5" class="empty-state">
                    No translations found matching your filters
                </td>
            </tr>
            {% endfor %}
        </tbody>
    </table>
</div>

<!-- Mobile Cards -->
{% for item in translations %}
<div class="translation-card">
    <div class="translation-card-key">{{ item.key }}</div>
    <div class="translation-card-value" title="{{ item.value }}">
        {% if item.value %}{{ item.value }}{% else %}<span class="text-muted">—</span>{% endif %}
    </div>
    {% if item.comment %}
    <div class="translation-card-comment" title="{{ item.comment }}">{{ item.comment }}</div>
    {% endif %}
    <div class="translation-card-footer">
        <div class="translation-card-meta">
            {% if item.verified %}
                <span class="badge badge-success">Verified</span>
            {% else %}
                <span class="badge badge-warning">Pending</span>
            {% endif %}
            <span class="translation-card-source">{{ item.source|default:"—" }}</span>
        </div>
        <div class="translation-card-actions">
            <a href="{% url 'dashboard-translation-page' item.id %}?lang={{ lang_code }}{% if verified_filter %}&verified={{ verified_filter }}{% endif %}{% if source_filter %}&source={{ source_filter }}{% endif %}{% if sort_filter and sort_filter != 'default' %}&sort={{ sort_filter }}{% endif %}"
               class="btn btn-primary btn-sm">Edit</a>
            {% if item.verified %}
            <button type="button" class="btn btn-sm" style="background: var(--warning); color: white; padding: 0.25rem 0.5rem;"
                    data-click="toggleVerify" data-id="{{ item.id }}" data-verified="false" title="Unverify">✗</button>
            {% else %}
            <button type="button" class="btn btn-sm" style="background: var(--success); color: white; padding: 0.25rem 0.5rem;"
                    data-click="toggleVerify" data-id="{{ item.id }}" data-verified="true" title="Verify">✓</button>
            {% endif %}
            {% if is_privileged %}
            <button type="button" class="btn btn-sm" style="background: var(--danger); color: white; padding: 0.25rem 0.5rem;"
                    data-click="confirmDelete" data-id="{{ item.id }}" data-key="{{ item.key }}">×</button>
            {% endif %}
        </div>
    </div>
</div>
{% empty %}
<div class="translation-card empty-state">
    No translations found matching your filters
</div>
{% endfor %}

{% if is_privileged %}
<!-- Delete Confirmation Modal -->
<div class="modal-overlay" id="delete-modal" style="display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center;">
    <div style="background: white; border-radius: 0.5rem; width: 90%; max-width: 400px; box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);">
        <div style="padding: 1rem 1.25rem; border-bottom: 1px solid var(--gray-200); display: flex; justify-content: space-between; align-items: center;">
            <span style="font-weight: 600; font-size: 1.125rem;">Delete Translation</span>
            <button type="button" data-click="closeDeleteModal" style="background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--gray-500);">&times;</button>
        </div>
        <div style="padding: 1.25rem;">
            <p>Are you sure you want to delete this translation?</p>
            <p class="translation-key" id="delete-key-display" style="margin-top: 0.5rem; font-size: 0.875rem;"></p>
            <p class="text-muted" style="font-size: 0.75rem; margin-top: 0.5rem;">This action cannot be undone.</p>
        </div>
        <div style="padding: 1rem 1.25rem; border-top: 1px solid var(--gray-200); display: flex; gap: 0.5rem;">
            <button type="button" class="btn btn-secondary" data-click="closeDeleteModal">Cancel</button>
            <button type="button" class="btn" style="background: var(--danger); color: white;" data-click="deleteTranslation">Delete</button>
        </div>
    </div>
</div>
{% endif %}

<script{% if csp_nonce %} nonce="{{ csp_nonce }}"{% endif %}>
const csrfToken = '{{ csrf_token }}';
const langCode = '{{ lang_code }}';
let deleteId = null;
let searchTimeout = null;

async function toggleVerify(id, verified) {
    try {
        const response = await fetch(`/translate/api/dashboard/translations/${id}/verify/`, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRFToken': csrfToken,
            },
            credentials: 'include',
            body: JSON.stringify({ lang: langCode, verified }),
        });

        if (response.ok) {
            window.location.reload();
        } else {
            const data = await response.json();
            alert(data.error || 'Failed to update verification');
        }
    } catch (err) {
        alert('Network error: ' + err.message);
    }
}

function changeRefCol(value) {
    const url = new URL(window.location.href);
    if (value && value !== 'key') url.searchParams.set('ref', value);
    else url.searchParams.delete('ref');
    window.location.href = url.toString();
}

function applyFilters() {
    const url = new URL(window.location.href);
    const verified = document.getElementById('filter-verified').value;
    const source = document.getElementById('filter-source').value;
    const search = document.getElementById('filter-search').value;
    const noRefs = document.getElementById('filter-no-refs').checked;
    const sort = document.getElementById('filter-sort').value;

    if (verified) url.searchParams.set('verified', verified);
    else url.searchParams.delete('verified');

    if (source) url.searchParams.set('source', source);
    else url.searchParams.delete('source');

    if (search) url.searchParams.set('search', search);
    else url.searchParams.delete('search');

    if (noRefs) url.searchParams.set('no_refs', 'true');
    else url.searchParams.delete('no_refs');

    if (sort && sort !== 'default') url.searchParams.set('sort', sort);
    else url.searchParams.delete('sort');

    // Preserve ref column selection
    const ref = document.getElementById('ref-col-select').value;
    if (ref && ref !== 'key') url.searchParams.set('ref', ref);
    else url.searchParams.delete('ref');

    window.location.href = url.toString();
}

stapelDom.register({
    applyFilters: applyFilters,
    changeRefCol: (node) => changeRefCol(node.value),
    toggleVerify: (node) => toggleVerify(node.dataset.id, node.dataset.verified === 'true'),
});

// Live search with debounce
document.getElementById('filter-search').addEventListener('input', function(e) {
    if (searchTimeout) clearTimeout(searchTimeout);
    searchTimeout = setTimeout(applyFilters, 1500);
});

document.getElementById('filter-search').addEventListener('keypress', function(e) {
    if (e.key === 'Enter') {
        if (searchTimeout) clearTimeout(searchTimeout);
        applyFilters();
    }
});

{% if is_privileged %}
function confirmDelete(id, key) {
    deleteId = id;
    document.getElementById('delete-key-display').textContent = key;
    document.getElementById('delete-modal').style.display = 'flex';
}

function closeDeleteModal() {
    document.getElementById('delete-modal').style.display = 'none';
    deleteId = null;
}

async function deleteTranslation() {
    if (!deleteId) return;

    try {
        const response = await fetch(`/translate/api/dashboard/translations/${deleteId}/`, {
            method: 'DELETE',
            headers: {
                'X-CSRFToken': csrfToken,
            },
            credentials: 'include',
        });

        if (response.ok) {
            window.location.reload();
        } else {
            const data = await response.json();
            alert(data.error || 'Failed to delete translation');
        }
    } catch (err) {
        alert('Network error: ' + err.message);
    }
}

document.addEventListener('keydown', function(e) {
    if (e.key === 'Escape') closeDeleteModal();
});

document.getElementById('delete-modal').addEventListener('click', function(e) {
    if (e.target === this) closeDeleteModal();
});

function confirmDeleteOrphans(count) {
    if (confirm(`This will soft-delete all ${count} translations with no refs. This action cannot be undone.\n\nProceed?`)) {
        document.getElementById('delete-orphans-form').submit();
    }
}

stapelDom.register({
    confirmDelete: (node) => confirmDelete(node.dataset.id, node.dataset.key),
    closeDeleteModal: closeDeleteModal,
    deleteTranslation: deleteTranslation,
    confirmDeleteOrphans: (node) => confirmDeleteOrphans(node.dataset.count),
});
{% endif %}
</script>
{% endblock %}