{% extends "v2/base.html" %}

{% from "v2/components/result_row.html" import result_row %}
{% from "v2/components/chip.html"       import chip %}

{% block title %}Durchsuchen — GWÖ-Antragsprüfer{% endblock %}

{% set v2_active_nav = "durchsuchen" %}

{% block main %}

{# ── Toolbar: Bundesland-Filter + Suche ─────────────────────────── #}
<div class="v2-toolbar" id="v2-toolbar" role="toolbar" aria-label="Filter und Suche">
  <button class="v2-chip active" data-bl="ALL" onclick="v2SetBl(this,'ALL')">Bundesweit</button>
  {% for code in bl_codes %}
    <button class="v2-chip" data-bl="{{ code }}" onclick="v2SetBl(this,'{{ code }}')">{{ code }}</button>
  {% endfor %}
  <span class="v2-toolbar-sep"></span>
  <input class="v2-search"
         type="search"
         placeholder="Anträge durchsuchen …"
         aria-label="Anträge durchsuchen"
         id="v2-search-input">
</div>

{# ── Score-Filter + Sortierung ───────────────────────────────────── #}
<div class="v2-toolbar" role="toolbar" aria-label="Score-Filter und Sortierung" style="border:0;padding:4px 0;margin:0 0 8px;position:static;">
  <button class="v2-chip active" data-band="ALL"  onclick="v2SetBand(this,'ALL')">Alle Scores</button>
  <button class="v2-chip"        data-band="HIGH" onclick="v2SetBand(this,'HIGH')">Score 8–10</button>
  <button class="v2-chip"        data-band="MID"  onclick="v2SetBand(this,'MID')">5–7</button>
  <button class="v2-chip"        data-band="LOW"  onclick="v2SetBand(this,'LOW')">0–4</button>
  <span class="v2-toolbar-sep"></span>
  <select id="v2-sort"
          aria-label="Sortierung"
          onchange="v2ApplySort(this.value)"
          style="padding:4px 8px;border:1px solid var(--hairline);border-radius:4px;
                 font-family:var(--font-mono);font-size:11px;background:var(--surface);
                 color:var(--ecg-dark);cursor:pointer;">
    <option value="score-desc">Score ↓</option>
    <option value="score-asc">Score ↑</option>
    <option value="date-desc">Datum ↓</option>
    <option value="date-asc">Datum ↑</option>
    <option value="drucksache-desc">Drs.-Nr. ↓</option>
    <option value="drucksache-asc">Drs.-Nr. ↑</option>
    <option value="title-asc">Titel A–Z</option>
    <option value="title-desc">Titel Z–A</option>
  </select>
</div>

{# ── Ergebnisliste ───────────────────────────────────────────────── #}
<div id="v2-results" role="list">

{% if assessments %}
  {% for a in assessments %}
    {{ result_row(a) }}
  {% endfor %}
{% else %}
  <p style="font-family:var(--font-mono);font-size:13px;color:var(--ecg-dark);opacity:0.6;margin-top:32px;">
    Noch keine Bewertungen in der Datenbank.
  </p>
{% endif %}

</div>{# #v2-results #}

{# ── Empty-State ─────────────────────────────────────────────────── #}
<div id="v2-empty-state" class="v2-kasten outline-green" style="display:none;margin-top:32px;">
  <h4>Keine Ergebnisse</h4>
  <p>Die aktuelle Filterauswahl liefert keine Treffer.
     <button onclick="v2ResetFilters()"
             style="background:none;border:none;color:var(--ecg-green);cursor:pointer;font-weight:900;text-decoration:underline;font-size:inherit;font-family:inherit;">
       Filter zurücksetzen
     </button>
  </p>
</div>

{% endblock %}

{% block body_scripts %}
<script>
/* ── v2 Listenfilter ─────────────────────────────────────────────── */
(function () {
  var activeBl   = 'ALL';
  var activeBand = 'ALL';

  function getRows() {
    return document.querySelectorAll('#v2-results .v2-result-row');
  }

  function getScore(row) {
    var cell = row.querySelector('.v2-score-cell');
    return cell ? parseFloat(cell.textContent) || 0 : 0;
  }

  function getBl(row) {
    var state = row.querySelector('.v2-r-state');
    return state ? state.textContent.trim().split('·')[0].trim() : '';
  }

  function applyFilters() {
    var q    = (document.getElementById('v2-search-input').value || '').toLowerCase().trim();
    var rows = getRows();
    var visible = 0;

    rows.forEach(function (row) {
      var score   = getScore(row);
      var bl      = getBl(row);
      var text    = row.textContent.toLowerCase();

      var blOk   = (activeBl === 'ALL') || (bl === activeBl);
      var bandOk = (activeBand === 'ALL') ||
                   (activeBand === 'HIGH' && score >= 8) ||
                   (activeBand === 'MID'  && score >= 5 && score < 8) ||
                   (activeBand === 'LOW'  && score < 5);
      var qOk    = !q || text.includes(q);

      var show = blOk && bandOk && qOk;
      row.style.display = show ? '' : 'none';
      if (show) visible++;
    });

    var empty = document.getElementById('v2-empty-state');
    if (empty) empty.style.display = (visible === 0) ? 'block' : 'none';
  }

  window.v2SetBl = function (btn, code) {
    activeBl = code;
    document.querySelectorAll('[data-bl]').forEach(function (b) {
      b.classList.toggle('active', b.dataset.bl === code);
    });
    applyFilters();
  };

  window.v2SetBand = function (btn, band) {
    activeBand = band;
    document.querySelectorAll('[data-band]').forEach(function (b) {
      b.classList.toggle('active', b.dataset.band === band);
    });
    applyFilters();
  };

  window.v2ResetFilters = function () {
    document.getElementById('v2-search-input').value = '';
    v2SetBl(null, 'ALL');
    v2SetBand(null, 'ALL');
  };

  document.addEventListener('DOMContentLoaded', function () {
    var input = document.getElementById('v2-search-input');
    if (input) input.addEventListener('input', applyFilters);
  });
})();

/* ── Sort ────────────────────────────────────────────────────────── */
(function () {
  var SORT_KEY = 'gwoe.v2-sort';

  function getRowVal(row, field) {
    if (field === 'score') {
      var cell = row.querySelector('.v2-score-cell');
      return cell ? parseFloat(cell.textContent) || 0 : 0;
    }
    if (field === 'title') {
      var titleEl = row.querySelector('.v2-r-title');
      return titleEl ? titleEl.textContent.trim().toLowerCase() : '';
    }
    if (field === 'date') {
      var dateEl = row.querySelector('.v2-r-date');
      return dateEl ? dateEl.textContent.trim() : '';
    }
    if (field === 'drucksache') {
      var stateEl = row.querySelector('.v2-r-state');
      return stateEl ? stateEl.textContent.trim() : '';
    }
    return '';
  }

  function sortRows(sortVal) {
    var parts = sortVal.split('-');
    var field  = parts.slice(0, -1).join('-');
    var dir    = parts[parts.length - 1]; // 'asc' or 'desc'
    var container = document.getElementById('v2-results');
    if (!container) return;
    var rows = Array.from(container.querySelectorAll('.v2-result-row'));
    rows.sort(function(a, b) {
      var va = getRowVal(a, field);
      var vb = getRowVal(b, field);
      var cmp;
      if (typeof va === 'number' && typeof vb === 'number') {
        cmp = va - vb;
      } else {
        cmp = String(va).localeCompare(String(vb), 'de');
      }
      return dir === 'asc' ? cmp : -cmp;
    });
    rows.forEach(function(row) { container.appendChild(row); });
  }

  window.v2ApplySort = function(val) {
    try { localStorage.setItem(SORT_KEY, val); } catch (_) {}
    sortRows(val);
  };

  document.addEventListener('DOMContentLoaded', function() {
    var savedSort;
    try { savedSort = localStorage.getItem(SORT_KEY); } catch (_) {}
    var sortSelect = document.getElementById('v2-sort');
    if (savedSort && sortSelect) {
      sortSelect.value = savedSort;
      sortRows(savedSort);
    }
  });
})();

/* ── Keyboard Shortcuts (#116 port to v2) ────────────────────────── */
(function () {
  document.addEventListener('keydown', function (e) {
    // Nicht in Input-Feldern auslösen
    if (e.target.matches('input, textarea, select')) return;

    var rows = Array.from(document.querySelectorAll('#v2-results .v2-result-row'));
    var active = document.querySelector('#v2-results .v2-result-row.v2-kb-active');
    var idx = active ? rows.indexOf(active) : -1;

    switch (e.key) {
      case 'j': // nächster Eintrag
        e.preventDefault();
        if (!rows.length) break;
        idx = Math.min(idx + 1, rows.length - 1);
        if (active) active.classList.remove('v2-kb-active');
        rows[idx].classList.add('v2-kb-active');
        rows[idx].scrollIntoView({ block: 'nearest' });
        break;

      case 'k': // vorheriger Eintrag
        e.preventDefault();
        if (!rows.length) break;
        idx = Math.max(idx - 1, 0);
        if (active) active.classList.remove('v2-kb-active');
        rows[idx].classList.add('v2-kb-active');
        rows[idx].scrollIntoView({ block: 'nearest' });
        break;

      case 'Enter': // Eintrag öffnen
        if (active) {
          e.preventDefault();
          var href = active.getAttribute('href');
          if (href) window.location.href = href;
        }
        break;

      case '/': // Suche fokussieren
        e.preventDefault();
        var searchInput = document.getElementById('v2-search-input');
        if (searchInput) searchInput.focus();
        break;

      case '?': // Shortcuts-Hilfe
        e.preventDefault();
        var modal = document.getElementById('v2-kb-help-modal');
        if (modal) {
          modal.style.display = modal.style.display === 'flex' ? 'none' : 'flex';
        }
        break;

      case 'Escape': // Hilfe-Modal schließen (auf Detailseiten: history.back() — dort eigener Handler)
        var helpModal = document.getElementById('v2-kb-help-modal');
        if (helpModal && helpModal.style.display === 'flex') {
          e.preventDefault();
          helpModal.style.display = 'none';
        }
        break;
    }
  });
})();
</script>

{# ── Keyboard-Hilfe-Modal ───────────────────────────────────────── #}
<div id="v2-kb-help-modal"
     role="dialog" aria-modal="true" aria-label="Tastenkürzel"
     style="display:none;position:fixed;inset:0;background:rgba(0,0,0,0.45);
            z-index:9000;align-items:center;justify-content:center;"
     onclick="if(event.target===this)this.style.display='none'">
  <div style="background:var(--ecg-card-bg);border:1px solid var(--ecg-border);
              border-radius:8px;padding:28px 32px;min-width:280px;max-width:400px;
              font-family:var(--font-mono);font-size:13px;color:var(--ecg-dark);">
    <div style="font-family:var(--font-display);font-size:15px;font-weight:900;
                color:var(--ecg-teal);margin-bottom:16px;letter-spacing:0.03em;">
      Tastenkürzel
    </div>
    <table style="width:100%;border-collapse:collapse;line-height:1.9;">
      <tr><td style="width:50px;"><kbd>j</kbd></td><td>Nächster Antrag</td></tr>
      <tr><td><kbd>k</kbd></td><td>Vorheriger Antrag</td></tr>
      <tr><td><kbd>Enter</kbd></td><td>Antrag öffnen</td></tr>
      <tr><td><kbd>Esc</kbd></td><td>Detail schließen / zurück</td></tr>
      <tr><td><kbd>/</kbd></td><td>Suche fokussieren</td></tr>
      <tr><td><kbd>?</kbd></td><td>Diese Hilfe</td></tr>
    </table>
    <button onclick="document.getElementById('v2-kb-help-modal').style.display='none'"
            style="margin-top:18px;font-family:var(--font-mono);font-size:11px;
                   background:none;border:1px solid var(--ecg-border);border-radius:4px;
                   padding:5px 14px;cursor:pointer;color:var(--ecg-dark);">
      Schließen
    </button>
  </div>
</div>
<style>
.v2-kb-active {
  outline: 2px solid var(--ecg-teal);
  outline-offset: -2px;
  border-radius: 4px;
}
kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--ecg-border);
  border: 1px solid color-mix(in srgb, var(--ecg-border) 60%, #000);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--ecg-dark);
}
</style>
{% endblock %}