{% extends "base.html" %}
{% block title %}Manage Knowledge Base{% endblock %}
{% block page_title %}Knowledge Base Management{% endblock %}

{% block content %}

<!-- Filter bar -->
<form method="GET" action="{{ url_for('admin.kb_list') }}" class="card mb-3">
  <div class="card-body py-2">
    <div class="row g-2 align-items-center">
      <div class="col-12 col-sm">
        <div style="position:relative;">
          <i class="bi bi-search" style="position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px;"></i>
          <input type="text" name="q" value="{{ q }}" placeholder="Search title or tags…"
                 class="form-control form-control-sm" style="padding-left:30px;">
        </div>
      </div>
      <div class="col-6 col-sm-auto">
        <select name="category" class="form-select form-select-sm" style="min-width:140px;">
          <option value="">All categories</option>
          {% for cat in categories %}
          <option value="{{ cat }}" {% if cat == sel_category %}selected{% endif %}>
            {{ cat.replace('_',' ').title() }}
          </option>
          {% endfor %}
        </select>
      </div>
      <div class="col-6 col-sm-auto">
        <select name="author_id" class="form-select form-select-sm" style="min-width:140px;">
          <option value="">All authors</option>
          {% for author in authors %}
          <option value="{{ author.id }}" {% if sel_author_id == author.id|string %}selected{% endif %}>
            {{ author.full_name }}
          </option>
          {% endfor %}
        </select>
      </div>
      <div class="col-6 col-sm-auto">
        <select name="published" class="form-select form-select-sm" style="min-width:130px;">
          <option value=""    {% if sel_published == ''    %}selected{% endif %}>All statuses</option>
          <option value="yes" {% if sel_published == 'yes' %}selected{% endif %}>Published</option>
          <option value="no"  {% if sel_published == 'no'  %}selected{% endif %}>Draft</option>
        </select>
      </div>
      <div class="col-auto">
        <button type="submit" class="btn btn-primary btn-sm">Filter</button>
        {% if q or sel_category or sel_author_id or sel_published %}
        <a href="{{ url_for('admin.kb_list') }}" class="btn btn-secondary btn-sm ms-1">Clear</a>
        {% endif %}
      </div>
    </div>
  </div>
</form>

<div class="card">
  <div class="card-header d-flex align-items-center justify-content-between">
    <span><i class="bi bi-journal-text me-2"></i>Articles
      <span style="font-size:12px;color:var(--muted);">({{ articles|length }} result{{ 's' if articles|length != 1 }})</span>
    </span>
    <a href="{{ url_for('admin.kb_new') }}" class="btn btn-primary btn-sm">
      <i class="bi bi-plus-lg me-1"></i>New Article
    </a>
  </div>
  <div class="card-body p-0">
    {% if articles %}
    <table class="table mb-0">
      <thead>
        <tr><th>Title</th><th>Category</th><th>Author</th><th>Published</th><th>Views</th><th style="white-space:nowrap;">👍 / 👎</th><th>Updated</th><th>Actions</th></tr>
      </thead>
      <tbody>
        {% for art in articles %}
        <tr>
          <td style="font-size:14px;">{{ art.title[:60] }}</td>
          <td style="font-size:12px;color:var(--muted);">{{ art.category or '—' }}</td>
          <td style="font-size:13px;">{{ art.author.full_name if art.author else '—' }}</td>
          <td>
            {% if art.is_published %}
              <span style="color:var(--success);font-size:12px;"><i class="bi bi-check-circle-fill"></i> Yes</span>
            {% else %}
              <span style="color:var(--muted);font-size:12px;"><i class="bi bi-dash-circle"></i> Draft</span>
            {% endif %}
          </td>
          <td style="font-size:12px;color:var(--muted);">{{ art.view_count }}</td>
          <td style="font-size:12px;white-space:nowrap;">
            {% set hc = art.feedback.filter_by(is_helpful=True).count() %}
            {% set nc = art.feedback.filter_by(is_helpful=False).count() %}
            <span style="color:var(--success);">👍 {{ hc }}</span>
            <span style="color:var(--muted);margin:0 3px;">/</span>
            <span style="color:var(--danger);">👎 {{ nc }}</span>
          </td>
          <td style="font-size:12px;color:var(--muted);">{{ art.updated_at.strftime('%b %d, %Y') }}</td>
          <td>
            <div class="d-flex gap-1 align-items-center">
              <a href="{{ url_for('tickets.kb_article', article_id=art.id) }}" class="btn btn-secondary btn-sm" title="Preview"><i class="bi bi-eye"></i></a>
              <a href="{{ url_for('admin.kb_edit', article_id=art.id) }}" class="btn btn-secondary btn-sm" title="Edit"><i class="bi bi-pencil"></i></a>
              <!-- Publish / Unpublish quick toggle -->
              <form method="POST" action="{{ url_for('admin.kb_toggle_publish', article_id=art.id) }}" style="margin:0;">
                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
                {% if art.is_published %}
                <button type="submit" class="btn btn-sm"
                        style="background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.3);color:var(--warning);"
                        title="Unpublish (move to draft)">
                  <i class="bi bi-eye-slash"></i>
                </button>
                {% else %}
                <button type="submit" class="btn btn-sm"
                        style="background:rgba(5,150,105,.1);border:1px solid rgba(5,150,105,.3);color:var(--success);"
                        title="Publish now">
                  <i class="bi bi-send-check"></i> Publish
                </button>
                {% endif %}
              </form>
              <form method="POST" action="{{ url_for('admin.kb_delete', article_id=art.id) }}" onsubmit="return confirm('Delete this article?');" style="margin:0;">
                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
                <button type="submit" class="btn btn-sm" style="background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.2);color:var(--danger);" title="Delete"><i class="bi bi-trash"></i></button>
              </form>
            </div>
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
    {% else %}
    <div class="p-5 text-center" style="color:var(--muted);">
      <i class="bi bi-journal-x" style="font-size:40px;display:block;margin-bottom:12px;"></i>
      {% if q or sel_category or sel_author_id or sel_published %}
        No articles match your filters.
        <a href="{{ url_for('admin.kb_list') }}" style="color:var(--accent3);display:block;margin-top:8px;">Clear filters</a>
      {% else %}
        No articles yet. <a href="{{ url_for('admin.kb_new') }}" style="color:var(--accent3);">Create your first article →</a>
      {% endif %}
    </div>
    {% endif %}
  </div>
</div>
{% endblock %}