{% extends 'base.html' %}

{% block title %}Manage Articles | Admin | {{ settings.site_name }}{% endblock %}

{% block content %}
<section class="section-light py-4">
    <div class="container">
        <div class="d-flex justify-content-between align-items-center flex-wrap gap-3">
            <div>
                <nav aria-label="breadcrumb">
                    <ol class="breadcrumb mb-1">
                        <li class="breadcrumb-item"><a href="{{ url_for('admin.dashboard') }}">Dashboard</a></li>
                        <li class="breadcrumb-item active">Articles</li>
                    </ol>
                </nav>
                <h1 class="h3 mb-0">Manage Articles</h1>
            </div>
            <a href="{{ url_for('admin.add_article') }}" class="btn btn-primary">
                <i class="fas fa-plus me-2"></i>Add Article
            </a>
        </div>
    </div>
</section>

<section class="section">
    <div class="container">
        <!-- Filters -->
        <div class="card border-0 shadow-sm mb-4">
            <div class="card-body">
                <form action="{{ url_for('admin.articles') }}" method="GET" class="row g-3">
                    <div class="col-md-4">
                        <label class="form-label">Search</label>
                        <input type="text" class="form-control" name="q" 
                               placeholder="Search by title or author"
                               value="{{ request.args.get('q', '') }}">
                    </div>
                    <div class="col-md-3">
                        <label class="form-label">Journal</label>
                        <select class="form-select" name="journal">
                            <option value="">All Journals</option>
                            {% for journal in journals %}
                            <option value="{{ journal.id }}" 
                                    {% if request.args.get('journal')|int == journal.id %}selected{% endif %}>
                                {{ journal.name }}
                            </option>
                            {% endfor %}
                        </select>
                    </div>
                    <div class="col-md-3">
                        <label class="form-label">Status</label>
                        <select class="form-select" name="status">
                            <option value="">All Statuses</option>
                            <option value="draft" {% if request.args.get('status') == 'draft' %}selected{% endif %}>Draft</option>
                            <option value="published" {% if request.args.get('status') == 'published' %}selected{% endif %}>Published</option>
                        </select>
                    </div>
                    <div class="col-md-2 d-flex align-items-end">
                        <button type="submit" class="btn btn-outline-primary w-100">
                            <i class="fas fa-filter me-1"></i>Filter
                        </button>
                    </div>
                </form>
            </div>
        </div>
        
        {% if articles.items %}
        <div class="card border-0 shadow-sm">
            <div class="table-responsive">
                <table class="table table-hover mb-0">
                    <thead class="table-light">
                        <tr>
                            <th style="min-width: 300px;">Title</th>
                            <th>Journal</th>
                            <th>Status</th>
                            <th>Views</th>
                            <th>Date</th>
                            <th class="text-end">Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for article in articles.items %}
                        <tr>
                            <td>
                                <div>
                                    <strong>{{ article.title|truncate(60) }}</strong>
                                    {% if article.is_open_access %}
                                    <span class="badge bg-success ms-1">OA</span>
                                    {% endif %}
                                </div>
                                <small class="text-muted">{{ article.authors|truncate(50) }}</small>
                            </td>
                            <td>
                                {% if article.journal %}
                                <span class="badge bg-light text-dark">{{ article.journal.name|truncate(20) }}</span>
                                {% else %}
                                <span class="text-muted">—</span>
                                {% endif %}
                            </td>
                            <td>
                                {% if article.is_published %}
                                <span class="badge bg-success">Published</span>
                                {% else %}
                                <span class="badge bg-warning">Draft</span>
                                {% endif %}
                            </td>
                            <td>{{ article.views }}</td>
                            <td>
                                <small>{{ article.published_date.strftime('%b %d, %Y') if article.published_date else article.created_at.strftime('%b %d, %Y') }}</small>
                            </td>
                            <td class="text-end">
                                <div class="btn-group">
                                    {% if article.is_published %}
                                    <a href="{{ url_for('articles.article_detail', slug=article.slug) }}" 
                                       class="btn btn-sm btn-outline-secondary" target="_blank" title="View">
                                        <i class="fas fa-eye"></i>
                                    </a>
                                    {% else %}
                                    <a href="{{ url_for('articles.preview_article', id=article.id) }}" 
                                       class="btn btn-sm btn-outline-info" target="_blank" title="Preview Draft">
                                        <i class="fas fa-eye"></i>
                                    </a>
                                    {% endif %}
                                    <a href="{{ url_for('admin.edit_article', id=article.id) }}" 
                                       class="btn btn-sm btn-outline-primary" title="Edit">
                                        <i class="fas fa-edit"></i>
                                    </a>
                                    <form action="{{ url_for('admin.delete_article', id=article.id) }}" method="POST" 
                                          class="d-inline" onsubmit="return confirm('Are you sure you want to delete this article?');">
                                        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                                        <button type="submit" class="btn btn-sm btn-outline-danger" title="Delete">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    </form>
                                </div>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>
        
        <!-- Pagination -->
        {% if articles.pages > 1 %}
        <nav aria-label="Page navigation" class="mt-4">
            <ul class="pagination justify-content-center">
                {% if articles.has_prev %}
                <li class="page-item">
                    <a class="page-link" href="{{ url_for('admin.articles', page=articles.prev_num, **request.args) }}">
                        <i class="fas fa-chevron-left"></i>
                    </a>
                </li>
                {% endif %}
                
                {% for page in articles.iter_pages(left_edge=2, left_current=2, right_current=2, right_edge=2) %}
                    {% if page %}
                    <li class="page-item {% if page == articles.page %}active{% endif %}">
                        <a class="page-link" href="{{ url_for('admin.articles', page=page, **request.args) }}">{{ page }}</a>
                    </li>
                    {% else %}
                    <li class="page-item disabled"><span class="page-link">...</span></li>
                    {% endif %}
                {% endfor %}
                
                {% if articles.has_next %}
                <li class="page-item">
                    <a class="page-link" href="{{ url_for('admin.articles', page=articles.next_num, **request.args) }}">
                        <i class="fas fa-chevron-right"></i>
                    </a>
                </li>
                {% endif %}
            </ul>
        </nav>
        {% endif %}
        
        {% else %}
        <div class="text-center py-5">
            <i class="fas fa-file-alt fa-4x text-muted mb-4"></i>
            <h4>No Articles Found</h4>
            <p class="text-muted">
                {% if request.args %}
                No articles match your filters. Try adjusting your search.
                {% else %}
                Start by creating your first article.
                {% endif %}
            </p>
            <a href="{{ url_for('admin.add_article') }}" class="btn btn-primary">
                <i class="fas fa-plus me-2"></i>Add Article
            </a>
        </div>
        {% endif %}
    </div>
</section>
{% endblock %}