{% extends 'base.html' %}
{% block title %}New Document – IT Asset Management{% endblock %}
{% block breadcrumb %}
  <li class="breadcrumb-item"><a href="{{ url_for('dashboard.index') }}">Home</a></li>
  <li class="breadcrumb-item"><a href="{{ url_for('paperwork.index') }}">Paperwork</a></li>
  <li class="breadcrumb-item active">New Document</li>
{% endblock %}

{% block content %}
<div class="page-header mb-4">
  <h1><i class="bi bi-file-earmark-plus me-2"></i>Create Document</h1>
</div>

<div class="card border-0 shadow-sm" style="max-width:740px;">
  <div class="card-body">
    <form method="POST" action="{{ url_for('paperwork.create') }}">
      <div class="row g-3 mb-3">
        <div class="col-md-6">
          <label class="form-label">Document Type <span class="text-danger">*</span></label>
          <select name="document_type" class="form-select" id="docType">
            {% for val, label in doc_types %}
            <option value="{{ val }}">{{ label }}</option>
            {% endfor %}
          </select>
        </div>
        <div class="col-md-6">
          <label class="form-label">Title</label>
          <input type="text" name="title" class="form-control"
                 placeholder="Leave blank to auto-generate">
        </div>
      </div>

      <!-- Word Template selector -->
      {% if all_templates %}
      <div class="mb-3">
        <label class="form-label">
          Word Template
          <span class="text-muted small">(optional — generates an editable .docx)</span>
        </label>
        <select name="template_id" id="templateSelect" class="form-select">
          <option value="">— No template (PDF only) —</option>
          {% for tpl in all_templates %}
          <option value="{{ tpl.id }}">{{ tpl.name }}{% if tpl.category %} [{{ tpl.category }}]{% endif %}</option>
          {% endfor %}
        </select>
        <!-- Variable preview loaded via AJAX -->
        <div id="tplVarsBox" class="mt-2" style="display:none">
          <div class="small text-muted mb-1">Variables auto-filled from this template:</div>
          <div id="tplVarsList" class="d-flex flex-wrap gap-1"></div>
        </div>
      </div>
      {% endif %}

      <!-- User search -->
      <div class="mb-3">
        <label class="form-label">User <span class="text-danger">*</span></label>
        <input type="hidden" name="user_id" id="userId" value="{{ preselect_user_id or '' }}">
        <input type="text" id="userSearch" class="form-control"
               placeholder="Type name or Windows ID…" autocomplete="off">
        <div id="userDropdown" class="list-group position-absolute shadow" style="z-index:1000;display:none;min-width:350px;"></div>
        <div id="userDisplay" class="form-text text-success fw-semibold"></div>
      </div>

      <!-- Asset search (optional) -->
      <div class="mb-3">
        <label class="form-label">Asset <span class="text-muted small">(optional)</span></label>
        <input type="hidden" name="asset_id" id="assetId" value="{{ preselect_asset_id or '' }}">
        <input type="text" id="assetSearch" class="form-control"
               placeholder="Serial number or service tag…" autocomplete="off">
        <div id="assetDropdown" class="list-group position-absolute shadow" style="z-index:1000;display:none;min-width:350px;"></div>
        <div id="assetDisplay" class="form-text text-success fw-semibold"></div>
      </div>

      {% if preselect_assignment_id %}
      <input type="hidden" name="assignment_id" value="{{ preselect_assignment_id }}">
      {% endif %}

      <div class="mb-3">
        <label class="form-label">Notes</label>
        <textarea name="notes" class="form-control" rows="2"></textarea>
      </div>

      <div class="d-flex gap-2">
        <button type="submit" class="btn btn-primary">
          <i class="bi bi-file-earmark-check me-1"></i>Generate Document
        </button>
        <a href="{{ url_for('paperwork.index') }}" class="btn btn-outline-secondary">Cancel</a>
      </div>
    </form>
  </div>
</div>

{% if all_templates %}
<div class="mt-3">
  <a href="{{ url_for('doc_templates.index') }}" class="btn btn-sm btn-outline-primary">
    <i class="bi bi-file-earmark-word me-1"></i>Manage Templates
  </a>
</div>
{% endif %}
{% endblock %}

{% block extra_js %}
<script>
  function liveSearch(inputId, dropdownId, hiddenId, displayId, endpoint) {
    const input = document.getElementById(inputId);
    const dropdown = document.getElementById(dropdownId);
    const hidden = document.getElementById(hiddenId);
    const display = document.getElementById(displayId);
    let timer;
    input.addEventListener('input', () => {
      clearTimeout(timer);
      timer = setTimeout(() => {
        const q = input.value.trim();
        if (q.length < 2) { dropdown.style.display = 'none'; return; }
        fetch(`${endpoint}?q=${encodeURIComponent(q)}`)
          .then(r => r.json())
          .then(items => {
            dropdown.innerHTML = '';
            if (!items.length) { dropdown.style.display = 'none'; return; }
            items.forEach(item => {
              const a = document.createElement('a');
              a.className = 'list-group-item list-group-item-action py-2';
              a.textContent = item.text;
              a.addEventListener('click', () => {
                hidden.value = item.id;
                input.value = item.text;
                display.textContent = '✓ Selected';
                dropdown.style.display = 'none';
              });
              dropdown.appendChild(a);
            });
            dropdown.style.display = 'block';
          });
      }, 250);
    });
    document.addEventListener('click', e => { if (!input.contains(e.target)) dropdown.style.display = 'none'; });
  }

  liveSearch('userSearch',  'userDropdown',  'userId',  'userDisplay',  '{{ url_for("users.search") }}');
  liveSearch('assetSearch', 'assetDropdown', 'assetId', 'assetDisplay', '{{ url_for("assets.search") }}');

  // Template variable preview
  const tplSelect = document.getElementById('templateSelect');
  if (tplSelect) {
    const PII_VARS = new Set(['user_name', 'user_email', 'user_phone']);
    tplSelect.addEventListener('change', () => {
      const id = tplSelect.value;
      const box = document.getElementById('tplVarsBox');
      const list = document.getElementById('tplVarsList');
      if (!id) { box.style.display = 'none'; return; }
      fetch(`/doc-templates/${id}/variables.json`)
        .then(r => r.json())
        .then(data => {
          list.innerHTML = '';
          (data.variables || []).forEach(v => {
            const badge = document.createElement('span');
            badge.className = 'badge ' + (PII_VARS.has(v) ? 'bg-danger' : 'bg-secondary');
            badge.title = PII_VARS.has(v) ? 'PII — will be masked on user departure' : '';
            badge.textContent = '{{ ' + v + ' }}';
            list.appendChild(badge);
          });
          box.style.display = 'block';
        })
        .catch(() => { box.style.display = 'none'; });
    });
  }
</script>
{% endblock %}