gwoe-antragspruefer/app/templates/v2/screens/auswertungen.html

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

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

{% set v2_active_nav = "auswertungen" %}

{% block head_extra %}
<script src="/static/chart.umd.min.js"></script>
<style>
.auswert-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--ecg-border);
  padding-bottom: 0;
}
.auswert-tab {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ecg-dark);
  opacity: 0.55;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: opacity 0.1s;
}
.auswert-tab:hover { opacity: 0.85; }
.auswert-tab.active {
  opacity: 1;
  border-bottom-color: var(--ecg-teal);
  color: var(--ecg-teal);
}
.auswert-panel { display: none; }
.auswert-panel.active { display: block; }
.controls-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 11px;
}
.controls-bar select {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 8px;
  border: 1px solid var(--ecg-border);
  border-radius: 3px;
  background: var(--ecg-card-bg);
  color: var(--ecg-dark);
}
.controls-bar button {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 12px;
  border: 1px solid var(--ecg-border);
  border-radius: 3px;
  background: var(--ecg-card-bg);
  color: var(--ecg-dark);
  cursor: pointer;
}
.controls-bar button.primary {
  background: var(--ecg-teal);
  color: #fff;
  border-color: var(--ecg-teal);
}
.matrix-wrap {
  overflow-x: auto;
  background: var(--ecg-card-bg);
  border: 1px solid var(--ecg-border);
  border-radius: 4px;
  padding: 10px;
}
table.gwoe-matrix {
  border-collapse: collapse;
  font-size: 12px;
  min-width: 400px;
}
table.gwoe-matrix th, table.gwoe-matrix td {
  border: 1px solid var(--ecg-border);
  padding: 5px 8px;
  text-align: center;
  white-space: nowrap;
}
table.gwoe-matrix th { background: var(--ecg-bg-subtle); font-weight: 700; }
table.gwoe-matrix th.row-h { text-align: left; }
table.gwoe-matrix .s-high { background: rgba(136,158,51,0.22); font-weight: 700; }
table.gwoe-matrix .s-mid  { background: rgba(247,148,29,0.15); }
table.gwoe-matrix .s-low  { background: rgba(200,0,0,0.13); font-weight: 700; }
table.gwoe-matrix .empty  { color: var(--ecg-dark); opacity: 0.3; }
table.gwoe-matrix td.clickable { cursor: pointer; }
table.gwoe-matrix td.clickable:hover { background: rgba(0,157,165,0.1); }
.meta-line {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.6;
  margin-top: 8px;
}
/* Modal */
.v2-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 500;
  align-items: center;
  justify-content: center;
}
.v2-modal-backdrop.show { display: flex; }
.v2-modal {
  background: var(--ecg-card-bg);
  border-radius: 6px;
  padding: 20px 24px;
  max-width: 580px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}
.v2-modal h2 {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ecg-teal);
  margin: 0 0 12px;
}
.v2-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--ecg-dark);
  opacity: 0.5;
}
.v2-modal-close:hover { opacity: 1; }
table.modal-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  margin-top: 8px;
}
table.modal-table th, table.modal-table td {
  border: 1px solid var(--ecg-border);
  padding: 4px 8px;
  text-align: left;
}
table.modal-table th { background: var(--ecg-bg-subtle); font-weight: 700; }
</style>
{% endblock %}

{% block main %}
<div style="padding:0 0 1.5rem;">
  <h1 style="font-family:var(--font-display);font-size:22px;color:var(--ecg-teal);margin:0 0 4px;">Auswertungen</h1>
  <p style="font-size:12px;font-family:var(--font-mono);color:var(--ecg-dark);opacity:0.6;">
    Bundesland × Partei · Thema × Fraktion · Stimmverhalten · Cluster
  </p>
</div>

<!-- Tabs -->
<div class="auswert-tabs" role="tablist">
  <button class="auswert-tab active" role="tab" onclick="switchTab('bl-partei', this)">BL × Partei</button>
  <button class="auswert-tab" role="tab" onclick="switchTab('themen', this)">Thema × Fraktion</button>
  <button class="auswert-tab" role="tab" onclick="switchTab('stimmverhalten', this)">Stimmverhalten</button>
  <button class="auswert-tab" role="tab" onclick="switchTab('cluster', this)">Cluster</button>
</div>

<!-- Panel 1: BL × Partei -->
<div class="auswert-panel active" id="panel-bl-partei">
  <div class="controls-bar">
    <label for="wp-filter">Wahlperiode:</label>
    <select id="wp-filter">
      <option value="">— alle WPs —</option>
      {% for wp in wahlperioden %}
      <option value="{{ wp }}">{{ wp }}</option>
      {% endfor %}
    </select>
    <button class="primary" onclick="loadBlMatrix()">Laden</button>
    <button onclick="window.location.href='/api/auswertungen/export.csv'">CSV-Export</button>
  </div>
  <div id="bl-matrix-wrap" class="matrix-wrap">
    <div style="font-family:var(--font-mono);font-size:12px;opacity:0.5;">Lade Matrix …</div>
  </div>
  <div id="bl-matrix-meta" class="meta-line"></div>
</div>

<!-- Panel 2: Thema × Fraktion -->
<div class="auswert-panel" id="panel-themen">
  <div class="controls-bar">
  <div id="themen-matrix-wrap" class="matrix-wrap">
    <div style="font-family:var(--font-mono);font-size:12px;opacity:0.5;">Wählen Sie den Tab „Thema × Fraktion".</div>
  </div>
</div>

<!-- Panel 3: Stimmverhalten × Gemeinwohl -->
<div class="auswert-panel" id="panel-stimmverhalten">
  <div class="v2-kasten outline-blue" style="margin-bottom:1rem;">
    <h4 style="margin-top:0;">Stimmverhalten × Gemeinwohl-Orientierung</h4>
    <p style="font-size:12px;line-height:1.5;">
      Verschneidung von <strong>GWÖ-Bewertung pro Antrag</strong> mit dem
      tatsächlichen <strong>Plenum-Stimmverhalten der Fraktionen</strong>.
      Beantwortet die Frage: Welche Fraktion stimmt häufiger Anträgen mit
      hoher Gemeinwohl-Bewertung zu, welche lehnt sie eher ab?
    </p>
    <p style="font-size:11px;line-height:1.5;opacity:0.8;">
      <strong>Datenbasis:</strong> Anträge, die sowohl eine GWÖ-Bewertung
      <em>als auch</em> einen Plenum-Vote haben. Heute noch dünn — wächst
      mit der Anzahl Bewertungen.
      <strong>Eigene Anträge sind per Default ausgeschlossen</strong>, weil
      Antragsteller-Fraktionen quasi immer „ja" stimmen — das würde den Index
      verzerren.
    </p>
    <label style="display:inline-flex;align-items:center;gap:6px;font-size:11px;
                  font-family:var(--font-mono);margin-top:4px;cursor:pointer;">
      <input type="checkbox" id="sv-exclude-antragsteller" checked
             onchange="loadStimmverhalten()" />
      Eigene Anträge ausschließen
    </label>
  </div>

  <!-- Sub 1: Stimm-Index Bar Chart -->
  <h3 style="font-family:var(--font-display);font-size:15px;color:var(--ecg-teal);
             margin:1.5rem 0 0.5rem;">1. Gemeinwohl-Stimm-Index pro Fraktion</h3>
  <p style="font-size:11px;font-family:var(--font-mono);opacity:0.7;margin:0 0 0.5rem;">
    Ø-GWÖ-Score der <em>Ja</em>-Stimmen <strong>minus</strong> Ø-GWÖ-Score der
    <em>Nein</em>-Stimmen. Positiv = stimmt eher Gemeinwohl-affinen Anträgen zu.
    Domain: −10..+10.
  </p>
  <div class="matrix-wrap" style="padding:14px;">
    <canvas id="sv-index-chart" style="max-height:380px;"></canvas>
  </div>
  <div id="sv-index-meta" class="meta-line"></div>
  <div id="sv-index-insufficient" style="font-size:11px;font-family:var(--font-mono);
                                          opacity:0.6;margin-top:6px;"></div>

  <!-- Sub 2: Heuchelei-Score Bar Chart -->
  <h3 style="font-family:var(--font-display);font-size:15px;color:var(--ecg-teal);
             margin:1.5rem 0 0.5rem;">2. Heuchelei-Quote pro Fraktion</h3>
  <p style="font-size:11px;font-family:var(--font-mono);opacity:0.7;margin:0 0 0.5rem;">
    Anteil der Anträge mit <strong>Wahlprogramm-Treue ≥ 7/10</strong>
    (passt inhaltlich zum Wahlprogramm der Fraktion), bei denen die Fraktion
    trotzdem <em>Nein</em> gestimmt hat. Hohe Werte = häufige Inkonsistenz
    zwischen Wahlversprechen und Stimmverhalten.
  </p>
  <div class="matrix-wrap" style="padding:14px;">
    <canvas id="sv-heuchelei-chart" style="max-height:380px;"></canvas>
  </div>
  <div id="sv-heuchelei-meta" class="meta-line"></div>

  <!-- Sub 3: Pro GWÖ-Wert Heatmap -->
  <h3 style="font-family:var(--font-display);font-size:15px;color:var(--ecg-teal);
             margin:1.5rem 0 0.5rem;">3. Stimm-Index pro GWÖ-Wert</h3>
  <p style="font-size:11px;font-family:var(--font-mono);opacity:0.7;margin:0 0 0.5rem;">
    Aufschlüsselung nach den fünf GWÖ-Werten (Würde, Solidarität,
    Nachhaltigkeit, Gerechtigkeit, Demokratie). Pro Zelle: Stimm-Index analog
    Aussage 1, aber gegen den Wert-Score statt den Gesamt-Score. Domain
    pro Zelle: −5..+5.
  </p>
  <div id="sv-wert-heatmap" class="matrix-wrap"></div>

  <!-- Sub 4: Cross-BL Grouped Bar -->
  <h3 style="font-family:var(--font-display);font-size:15px;color:var(--ecg-teal);
             margin:1.5rem 0 0.5rem;">4. Stimm-Index pro Bundesland (Cross-BL)</h3>
  <p style="font-size:11px;font-family:var(--font-mono);opacity:0.7;margin:0 0 0.5rem;">
    Gleiche Fraktion in mehreren Ländern. Macht regionale Drift sichtbar
    — gleiche Partei, unterschiedlicher Stimm-Index? Nur Fraktionen in ≥2 BL
    mit ausreichender Datenbasis.
  </p>
  <div class="matrix-wrap" style="padding:14px;">
    <canvas id="sv-cross-bl-chart" style="max-height:380px;"></canvas>
  </div>
  <div id="sv-cross-bl-meta" class="meta-line"></div>
</div>

<!-- Panel 4: Cluster-Link -->
<div class="auswert-panel" id="panel-cluster">
  <div class="v2-kasten outline-blue">
    <h4>Cluster-Ansicht</h4>
    <p style="font-size:12px;">
      Die interaktive Cluster-Übersicht finden Sie unter
      <a href="/v2/cluster" style="color:var(--ecg-teal);">/v2/cluster</a>.
      Sie zeigt thematisch ähnliche Anträge als redaktionelle Liste und verlinkt
      zur Force-Graph-Visualisierung.
    </p>
    <a href="/v2/cluster"
       style="display:inline-block;margin-top:8px;font-family:var(--font-mono);font-size:11px;
              padding:6px 14px;background:var(--ecg-teal);color:#fff;border-radius:3px;text-decoration:none;">
      Zur Cluster-Ansicht →
    </a>
  </div>
</div>

<!-- Zeitreihen-Modal -->
<div class="v2-modal-backdrop" id="modal-backdrop" onclick="closeModal(event)">
  <div class="v2-modal" onclick="event.stopPropagation()">
    <button class="v2-modal-close" onclick="closeModal()">&times;</button>
    <h2 id="modal-title">Zeitreihe</h2>
    <div id="modal-body" style="font-size:12px;">Lade …</div>
  </div>
</div>

{% endblock %}

{% block body_scripts %}
<script>
let _tabLoaded = { 'bl-partei': false, 'themen': false, 'stimmverhalten': false };
let _svCharts = { index: null, heuchelei: null, crossBl: null };

function switchTab(id, btn) {
  document.querySelectorAll('.auswert-tab').forEach(b => b.classList.remove('active'));
  document.querySelectorAll('.auswert-panel').forEach(p => p.classList.remove('active'));
  btn.classList.add('active');
  document.getElementById('panel-' + id).classList.add('active');

  if (id === 'themen' && !_tabLoaded.themen) {
    loadThemenMatrix();
    _tabLoaded.themen = true;
  }
  if (id === 'stimmverhalten' && !_tabLoaded.stimmverhalten) {
    loadStimmverhalten();
    _tabLoaded.stimmverhalten = true;
  }
}

// Bei BL-Wechsel aktive Panels neu laden
window.addEventListener('v2-bl-changed', function () {
  var activePanel = document.querySelector('.auswert-panel.active');
  if (!activePanel) return;
  if (activePanel.id === 'panel-bl-partei') loadBlMatrix();
  if (activePanel.id === 'panel-themen')    loadThemenMatrix();
  if (activePanel.id === 'panel-stimmverhalten') loadStimmverhalten();
});

document.addEventListener('DOMContentLoaded', function () { loadBlMatrix(); });

function scoreClass(avg) {
  if (avg == null) return '';
  if (avg >= 6) return 's-high';
  if (avg >= 3) return 's-mid';
  return 's-low';
}

async function loadBlMatrix() {
  const wrap  = document.getElementById('bl-matrix-wrap');
  const metaEl = document.getElementById('bl-matrix-meta');
  const wp    = document.getElementById('wp-filter').value;
  const blRaw = (window.v2GetGlobalBl && window.v2GetGlobalBl()) || 'ALL';
  const bl    = (blRaw === 'ALL') ? '' : blRaw;

  wrap.innerHTML = '<div style="font-family:var(--font-mono);font-size:12px;opacity:0.5;">Lade Matrix …</div>';
  metaEl.textContent = '';

  let url = '/api/auswertungen/matrix';
  const params = [];
  if (wp) params.push('wahlperiode=' + encodeURIComponent(wp));
  if (bl) params.push('bundesland='  + encodeURIComponent(bl));
  if (params.length) url += '?' + params.join('&');

  try {
    const r = await fetch(url);
    const data = await r.json();
    if (!data.bundeslaender || !data.bundeslaender.length) {
      wrap.innerHTML = '<div style="font-family:var(--font-mono);font-size:12px;opacity:0.5;">Keine Assessments für diesen Filter.</div>';
      return;
    }

    let html = '<table class="gwoe-matrix"><thead><tr><th class="row-h">Bundesland</th>';
    for (const partei of data.parteien) html += `<th>${partei}</th>`;
    html += '</tr></thead><tbody>';

    for (const bundesland of data.bundeslaender) {
      html += `<tr><th class="row-h">${bundesland}</th>`;
      for (const partei of data.parteien) {
        const cell = (data.cells[bundesland] || {})[partei];
        if (cell) {
          html += `<td class="clickable ${scoreClass(cell.avg)}"
                       onclick="showZeitreihe('${bundesland.replace(/'/g,"\\'")}','${partei.replace(/'/g,"\\'")}')">
                     ${cell.avg.toFixed(1)}<br><small>n=${cell.n}</small>
                   </td>`;
        } else {
          html += '<td class="empty">—</td>';
        }
      }
      html += '</tr>';
    }
    html += '</tbody></table>';
    wrap.innerHTML = html;
    metaEl.textContent = `${data.total} Assessments | Filter: ${data.filter_wp || 'alle WPs'}`;
  } catch (e) {
    wrap.innerHTML = `<div style="color:#c00;font-family:var(--font-mono);font-size:12px;">Fehler: ${e}</div>`;
  }
}

async function loadThemenMatrix() {
  const wrap  = document.getElementById('themen-matrix-wrap');
  const blRaw = (window.v2GetGlobalBl && window.v2GetGlobalBl()) || 'ALL';
  const bl    = (blRaw === 'ALL') ? '' : blRaw;
  wrap.innerHTML = '<div style="font-family:var(--font-mono);font-size:12px;opacity:0.5;">Lade Themen-Matrix …</div>';

  let url = '/api/auswertungen/themen-matrix';
  if (bl) url += '?bundesland=' + encodeURIComponent(bl);

  try {
    const r = await fetch(url);
    const data = await r.json();
    if (!data.themen || !data.themen.length) {
      wrap.innerHTML = '<div style="font-family:var(--font-mono);font-size:12px;opacity:0.5;">Noch zu wenige Assessments für Themen-Analyse.</div>';
      return;
    }

    let html = '<table class="gwoe-matrix"><thead><tr><th class="row-h">Thema</th>';
    for (const frak of data.fraktionen) html += `<th>${frak}</th>`;
    html += '</tr></thead><tbody>';

    for (const thema of data.themen) {
      html += `<tr><th class="row-h">${thema}</th>`;
      for (const frak of data.fraktionen) {
        const cell = (data.cells[thema] || {})[frak];
        if (cell) {
          html += `<td class="${scoreClass(cell.avg)}" title="${thema} × ${frak}: Ø ${cell.avg}/10 (${cell.n} Anträge)">
                     ${cell.avg.toFixed(1)}<br><small>n=${cell.n}</small>
                   </td>`;
        } else {
          html += '<td class="empty">—</td>';
        }
      }
      html += '</tr>';
    }
    html += '</tbody></table>';
    wrap.innerHTML = html;
  } catch (e) {
    wrap.innerHTML = `<div style="color:#c00;font-family:var(--font-mono);font-size:12px;">Fehler: ${e}</div>`;
  }
}

async function showZeitreihe(bundesland, partei) {
  const backdrop = document.getElementById('modal-backdrop');
  const title    = document.getElementById('modal-title');
  const body     = document.getElementById('modal-body');
  title.textContent = bundesland + ' × ' + partei;
  body.innerHTML = '<p style="font-family:var(--font-mono);font-size:12px;opacity:0.6;">Lade Zeitreihe …</p>';
  backdrop.classList.add('show');

  try {
    const r = await fetch(`/api/auswertungen/zeitreihe?bundesland=${encodeURIComponent(bundesland)}&partei=${encodeURIComponent(partei)}`);
    const z = await r.json();

    if (!z.wahlperioden || !z.wahlperioden.length) {
      body.innerHTML = '<p style="font-family:var(--font-mono);font-size:12px;opacity:0.6;">Keine Daten für diese Kombination.</p>';
      return;
    }

    body.innerHTML =
      '<canvas id="zeitreihe-chart" style="max-height:260px;margin-bottom:1rem;"></canvas>' +
      '<table class="modal-table"><thead><tr><th>Wahlperiode</th><th>Anträge</th><th>Ø GWÖ-Score</th></tr></thead><tbody>' +
      z.wahlperioden.map(row => `<tr><td>${row.wp}</td><td>${row.n}</td><td><strong>${row.avg.toFixed(2)}</strong></td></tr>`).join('') +
      '</tbody></table>';

    if (window.Chart) {
      const ctx = document.getElementById('zeitreihe-chart');
      new Chart(ctx, {
        type: 'line',
        data: {
          labels: z.wahlperioden.map(r => 'WP ' + r.wp),
          datasets: [{
            label: `Ø GWÖ-Score ${partei} (${bundesland})`,
            data: z.wahlperioden.map(r => r.avg),
            borderColor: '#009da5',
            backgroundColor: 'rgba(0,157,165,0.1)',
            fill: true,
            tension: 0.3,
            pointRadius: 5,
          }]
        },
        options: {
          responsive: true,
          scales: {
            y: { min: 0, max: 10, title: { display: true, text: 'GWÖ-Score' } }
          },
          plugins: {
            tooltip: {
              callbacks: {
                afterLabel: (ctx) => `n=${z.wahlperioden[ctx.dataIndex].n} Anträge`
              }
            }
          }
        }
      });
    }
  } catch (e) {
    body.innerHTML = `<p style="color:#c00;font-family:var(--font-mono);font-size:12px;">Fehler: ${e}</p>`;
  }
}

function closeModal(ev) {
  if (!ev || ev.target.id === 'modal-backdrop') {
    document.getElementById('modal-backdrop').classList.remove('show');
  }
}
document.addEventListener('keydown', (e) => {
  if (e.key === 'Escape') document.getElementById('modal-backdrop').classList.remove('show');
});

// ─── Stimmverhalten × Gemeinwohl ────────────────────────────────────────────

async function loadStimmverhalten() {
  const blRaw = (window.v2GetGlobalBl && window.v2GetGlobalBl()) || 'ALL';
  const bl    = (blRaw === 'ALL') ? '' : blRaw;
  const exclude = document.getElementById('sv-exclude-antragsteller').checked ? '1' : '0';

  loadStimmIndex(bl, exclude);
  loadHeuchelei(bl);
  loadStimmIndexProWert(bl, exclude);
  loadStimmIndexCrossBl(exclude);
}

function svColor(idx) {
  // Diverging color: positiv = teal/grün, negativ = rot, null = grau
  if (idx == null) return 'rgba(120,120,120,0.4)';
  if (idx >= 0) return `rgba(0,157,165,${Math.min(0.85, 0.3 + Math.abs(idx) / 10)})`;
  return `rgba(200,30,30,${Math.min(0.85, 0.3 + Math.abs(idx) / 10)})`;
}

async function loadStimmIndex(bl, exclude) {
  const meta = document.getElementById('sv-index-meta');
  const insufficientEl = document.getElementById('sv-index-insufficient');

  let url = `/api/auswertungen/stimm-index?exclude_antragsteller=${exclude}&min_n=5`;
  if (bl) url += '&bundesland=' + encodeURIComponent(bl);

  try {
    const r = await fetch(url);
    const data = await r.json();
    if (_svCharts.index) _svCharts.index.destroy();

    const ausreichend = data.fraktionen.filter(f => f.ausreichend && f.stimm_index != null);
    const nicht = data.fraktionen.filter(f => !f.ausreichend);

    if (!ausreichend.length) {
      meta.textContent = `Datenbasis: ${data.n_assessments_matched} Anträge — keine Fraktion erreicht das Mindest-N (5 Ja UND 5 Nein).`;
      insufficientEl.textContent = '';
      return;
    }

    const ctx = document.getElementById('sv-index-chart');
    _svCharts.index = new Chart(ctx, {
      type: 'bar',
      data: {
        labels: ausreichend.map(f => f.partei),
        datasets: [{
          label: 'Stimm-Index',
          data: ausreichend.map(f => f.stimm_index),
          backgroundColor: ausreichend.map(f => svColor(f.stimm_index)),
        }]
      },
      options: {
        indexAxis: 'y',
        responsive: true,
        scales: {
          x: { min: -10, max: 10, title: { display: true, text: 'Stimm-Index (−10..+10)' } }
        },
        plugins: {
          legend: { display: false },
          tooltip: {
            callbacks: {
              afterLabel: (ctx) => {
                const f = ausreichend[ctx.dataIndex];
                return [
                  `Ø GWÖ Ja:    ${f.avg_gwoe_ja}/10  (n=${f.n_ja})`,
                  `Ø GWÖ Nein:  ${f.avg_gwoe_nein}/10  (n=${f.n_nein})`,
                  `Enthaltung:  n=${f.n_enth}`,
                ];
              }
            }
          }
        }
      }
    });

    meta.textContent = `Datenbasis: ${data.n_assessments_matched} Anträge mit GWÖ-Bewertung × Plenum-Vote.`;
    if (nicht.length) {
      insufficientEl.innerHTML = '<strong>Nicht aussagekräftig (N&lt;5):</strong> '
        + nicht.map(f => `${f.partei} (n_ja=${f.n_ja}, n_nein=${f.n_nein})`).join(' · ');
    } else {
      insufficientEl.textContent = '';
    }
  } catch (e) {
    meta.textContent = 'Fehler: ' + e;
  }
}

async function loadHeuchelei(bl) {
  const meta = document.getElementById('sv-heuchelei-meta');

  let url = '/api/auswertungen/heuchelei?score_threshold=7&min_n=5';
  if (bl) url += '&bundesland=' + encodeURIComponent(bl);

  try {
    const r = await fetch(url);
    const data = await r.json();
    if (_svCharts.heuchelei) _svCharts.heuchelei.destroy();

    const filtered = data.fraktionen.filter(f => f.ausreichend && f.heuchelei_quote != null);
    if (!filtered.length) {
      meta.textContent = `Datenbasis: ${data.n_assessments_matched} Anträge — zu wenige Anträge mit Wahlprogramm-Treue ≥ 7.`;
      return;
    }

    const ctx = document.getElementById('sv-heuchelei-chart');
    _svCharts.heuchelei = new Chart(ctx, {
      type: 'bar',
      data: {
        labels: filtered.map(f => f.partei),
        datasets: [{
          label: 'Heuchelei-Quote',
          data: filtered.map(f => Math.round(f.heuchelei_quote * 1000) / 10),
          backgroundColor: filtered.map(f => `rgba(200,30,30,${Math.min(0.85, 0.25 + f.heuchelei_quote)})`),
        }]
      },
      options: {
        indexAxis: 'y',
        responsive: true,
        scales: {
          x: { min: 0, max: 100, title: { display: true, text: 'Heuchelei-Quote (%)' } }
        },
        plugins: {
          legend: { display: false },
          tooltip: {
            callbacks: {
              afterLabel: (ctx) => {
                const f = filtered[ctx.dataIndex];
                return [
                  `Anträge passend zum Programm: ${f.n_im_programm}`,
                  `davon Nein gestimmt:        ${f.n_nein_trotz_programm}`,
                  `davon Ja gestimmt:          ${f.n_ja_passt}`,
                  `davon Enthaltung:           ${f.n_enth_passt}`,
                ];
              }
            }
          }
        }
      }
    });

    meta.textContent = `Datenbasis: ${data.n_assessments_matched} Anträge — Threshold: Wahlprogramm-Treue ≥ 7/10.`;
  } catch (e) {
    meta.textContent = 'Fehler: ' + e;
  }
}

function wertHeatColor(idx) {
  // Wert-Spalten haben Domain -5..+5 (rating-Skala der Matrix)
  if (idx == null) return 'rgba(120,120,120,0.1)';
  if (idx >= 0) return `rgba(136,158,51,${Math.min(0.7, 0.15 + Math.abs(idx) / 5)})`;
  return `rgba(200,0,0,${Math.min(0.7, 0.15 + Math.abs(idx) / 5)})`;
}

async function loadStimmIndexProWert(bl, exclude) {
  const wrap = document.getElementById('sv-wert-heatmap');
  let url = `/api/auswertungen/stimm-index-pro-wert?exclude_antragsteller=${exclude}&min_n=3`;
  if (bl) url += '&bundesland=' + encodeURIComponent(bl);

  wrap.innerHTML = '<div style="font-family:var(--font-mono);font-size:12px;opacity:0.5;">Lade Heatmap …</div>';

  try {
    const r = await fetch(url);
    const data = await r.json();

    if (!data.fraktionen.length) {
      wrap.innerHTML = '<div style="font-family:var(--font-mono);font-size:12px;opacity:0.5;">Keine Daten für diesen Filter.</div>';
      return;
    }

    let html = '<table class="gwoe-matrix"><thead><tr><th class="row-h">Fraktion</th>';
    for (const w of data.werte) html += `<th>${w}</th>`;
    html += '</tr></thead><tbody>';

    for (const partei of data.fraktionen) {
      html += `<tr><th class="row-h">${partei}</th>`;
      for (const wert of data.werte) {
        const cell = (data.cells[partei] || {})[wert];
        if (cell && cell.stimm_index != null && cell.ausreichend) {
          const color = wertHeatColor(cell.stimm_index);
          const sign = cell.stimm_index >= 0 ? '+' : '';
          html += `<td style="background:${color};" title="${partei} × ${wert}: Index ${sign}${cell.stimm_index} (n_ja=${cell.n_ja}, n_nein=${cell.n_nein})">
                     ${sign}${cell.stimm_index.toFixed(1)}
                   </td>`;
        } else {
          html += '<td class="empty">—</td>';
        }
      }
      html += '</tr>';
    }
    html += '</tbody></table>';
    html += `<div class="meta-line">Datenbasis: ${data.n_assessments_matched} Anträge.
             Mindest-N pro Zelle: 3. Skala −5..+5 (Wert-Score-Differenz Ja minus Nein).</div>`;
    wrap.innerHTML = html;
  } catch (e) {
    wrap.innerHTML = `<div style="color:#c00;font-family:var(--font-mono);font-size:12px;">Fehler: ${e}</div>`;
  }
}

async function loadStimmIndexCrossBl(exclude) {
  const meta = document.getElementById('sv-cross-bl-meta');
  let url = `/api/auswertungen/stimm-index-cross-bl?exclude_antragsteller=${exclude}&min_n=3`;

  try {
    const r = await fetch(url);
    const data = await r.json();
    if (_svCharts.crossBl) _svCharts.crossBl.destroy();

    if (!data.fraktionen.length) {
      meta.textContent = `Keine Fraktion in ≥2 Bundesländern mit ausreichender Datenbasis.`;
      return;
    }

    // Datasets: pro Bundesland eine Bar-Reihe
    const datasets = data.bundeslaender.map((bl, i) => {
      const colors = ['rgba(0,157,165,0.7)', 'rgba(247,148,29,0.7)', 'rgba(136,158,51,0.7)',
                      'rgba(200,30,30,0.7)', 'rgba(150,100,200,0.7)', 'rgba(80,80,80,0.7)',
                      'rgba(50,150,50,0.7)', 'rgba(220,180,20,0.7)'];
      return {
        label: bl,
        data: data.fraktionen.map(p => {
          const cell = (data.cells[p] || {})[bl];
          return (cell && cell.ausreichend) ? cell.stimm_index : null;
        }),
        backgroundColor: colors[i % colors.length],
      };
    });

    const ctx = document.getElementById('sv-cross-bl-chart');
    _svCharts.crossBl = new Chart(ctx, {
      type: 'bar',
      data: { labels: data.fraktionen, datasets: datasets },
      options: {
        responsive: true,
        scales: {
          y: { min: -10, max: 10, title: { display: true, text: 'Stimm-Index (−10..+10)' } }
        },
        plugins: {
          tooltip: {
            callbacks: {
              afterLabel: (ctx) => {
                const partei = data.fraktionen[ctx.dataIndex];
                const bl = ctx.dataset.label;
                const cell = (data.cells[partei] || {})[bl];
                if (!cell) return '';
                return `n_ja=${cell.n_ja}, n_nein=${cell.n_nein}`;
              }
            }
          }
        }
      }
    });

    meta.textContent = `Datenbasis: ${data.n_assessments_matched} Anträge. ${data.fraktionen.length} Fraktion(en) in ≥2 BL mit n≥3 ja UND n≥3 nein.`;
  } catch (e) {
    meta.textContent = 'Fehler: ' + e;
  }
}

// Load BL-Matrix on init
loadBlMatrix();
</script>
{% endblock %}