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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Zusammenfassungs-Evaluation</title>
<style>
  * { box-sizing: border-box; margin: 0; padding: 0; }
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  /* --- Evaluation controls --- */
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  /* Collapsible guidelines */
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  .prior-judgement .pj-value { font-weight: 600; }
</style>
</head>
<body>

<div class="login-overlay" id="login-overlay">
  <div class="login-box">
    <h2>Zusammenfassungs-Evaluation</h2>
    <p class="login-error" id="login-error" style="display:none">Falsches Passwort.</p>
    <form onsubmit="handleLogin(event)">
      <input type="password" id="login-password" placeholder="Passwort" autofocus>
      <button type="submit">Weiter</button>
    </form>
  </div>
</div>

<header>
  <h1>Zusammenfassungs-Evaluation</h1>
  <button class="btn-export" onclick="exportAnnotations()">Export</button>
  <div class="progress-box">
    <span id="progress-text">-</span>
    <div class="progress-bar"><div class="progress-fill" id="progress-fill" style="width:0"></div></div>
  </div>
</header>

<div class="nav">
  <button id="btn-prev" onclick="navigate(-1)">Zurueck</button>
  <span class="counter" id="counter">-</span>
  <button id="btn-next" onclick="navigate(1)">Weiter</button>
  <div class="filters">
    <label>Bearbeitungsstatus:</label>
    <select id="filter-status" onchange="applyFilters()">
      <option value="">alle</option>
      <option value="pending" selected>offen</option>
      <option value="done">bewertet</option>
    </select>
    <label>LRA:</label>
    <select id="filter-rfa" onchange="applyFilters()">
      <option value="">alle</option>
    </select>
    <label>Bewertungsrunde:</label>
    <select id="filter-type" onchange="applyFilters()">
      <option value="">alle</option>
      <option value="new" selected>Neu (zu bewerten)</option>
      <option value="promptd">Alter Prompt (bereits evaluiert)</option>
    </select>
  </div>
</div>

<div class="card" id="card">
  <div class="card-header">
    <h2 id="title">-</h2>
    <div class="meta">
      <span class="badge" id="badge-rfa"></span>
      <span class="badge-evaluated" id="badge-evaluated" style="display:none">Bewertet</span>
      <span class="badge-promptd" id="badge-promptd" style="display:none">Alter Prompt</span>
      <span class="id" id="eval-id">-</span>
    </div>
  </div>

  <div class="reference-banner" id="reference-banner" style="display:none">
    <strong>Alter Prompt:</strong> Dieser Eintrag wurde bereits in einer frueheren Evaluation bewertet. Die bestehende Bewertung wird unten angezeigt.
  </div>

  <div class="prior-judgement" id="prior-judgement" style="display:none">
    <div class="section-label">Bestehende Bewertung (Alter Prompt)</div>
    <div class="pj-grid" id="pj-grid"></div>
    <div id="pj-anmerkungen" style="margin-top:8px; font-size:13px; color:#444;"></div>
  </div>

  <div class="section summary-section">
    <div class="section-label">Zusammenfassung</div>
    <div class="section-content" id="summary">-</div>
  </div>

  <div class="section">
    <div class="section-label">Referenz</div>
    <div class="section-content" id="referenz">-</div>
  </div>

  <div class="section transcript-section">
    <div class="section-label" id="transcript-label">Transkript</div>
    <div class="section-content" id="transcript">-</div>
  </div>

  <div class="original-toggle" id="original-toggle" style="display:none" onclick="toggleOriginal()">
    <span class="arrow" id="original-arrow">&#9654;</span>
    Original-Transkript (Fremdsprache) anzeigen
  </div>
  <div class="original-transcript" id="original-transcript">
    <div class="section-label">Original-Transkript</div>
    <div class="section-content" id="original-text">-</div>
  </div>

  <div class="guidelines-toggle" onclick="toggleGuidelines()">
    <span class="arrow" id="guidelines-arrow">&#9654;</span>
    Bewertungsrichtlinien anzeigen
  </div>
  <div class="guidelines-body" id="guidelines-body">
    <h3>Vorgehensweise</h3>
    <p>Lies das Transkript vollstaendig (oder ueberfliege es gruendlich). Lies dann die Zusammenfassung und waehle fuer jedes Kriterium eine Stufe (ja / ausreichend / nein). Vergib abschliessend eine Gesamtbewertung als Schulnote.</p>

    <h3>Stufen</h3>
    <ul>
      <li><span class="scale-label">Ja</span> -- Perfekt oder nahezu perfekt, keine nennenswerten Schwaechen</li>
      <li><span class="scale-label">Ausreichend</span> -- Mit Schwaechen, aber noch brauchbar</li>
      <li><span class="scale-label">Nein</span> -- Inakzeptabel, voellig unbrauchbar</li>
    </ul>

    <h3>1. Korrekt</h3>
    <p>Faktische Korrektheit: Werden Fakten, Namen und Orte korrekt wiedergegeben? Gibt es Halluzinationen oder Informationen, die nicht im Transkript vorkommen?</p>
    <ul>
      <li><span class="scale-label">Ja:</span> Alle Aussagen faktisch korrekt und durch das Transkript gestuetzt. Keine Halluzinationen.</li>
      <li><span class="scale-label">Ausreichend:</span> Einige Ungenauigkeiten, Kernaussagen stimmen groesstenteils.</li>
      <li><span class="scale-label">Nein:</span> Faktische Fehler und Halluzinationen. Ueberwiegend falsche Informationen.</li>
    </ul>

    <h3>2. Relevant</h3>
    <p>Auswahl der bedeutsamen Inhalte: Enthaelt die Zusammenfassung nur wichtige Informationen? Gibt es unnoetige Wiederholungen?</p>
    <ul>
      <li><span class="scale-label">Ja:</span> Konzentriert sich ausschliesslich auf die wichtigsten Informationen. Keine Redundanzen.</li>
      <li><span class="scale-label">Ausreichend:</span> Enthaelt auch weniger relevante Informationen. Einige unwichtige Details.</li>
      <li><span class="scale-label">Nein:</span> Konzentriert sich auf nebensaechliche Aspekte statt Kernthemen.</li>
    </ul>

    <h3>3. Vollstaendig</h3>
    <p>Sind alle wesentlichen Fakten, Kernaussagen und relevanten Entitaeten enthalten?</p>
    <ul>
      <li><span class="scale-label">Ja:</span> Alle wesentlichen Informationen und Kernaussagen enthalten. Wichtige Entitaeten vollstaendig erfasst.</li>
      <li><span class="scale-label">Ausreichend:</span> Grundlegender Ueberblick, aber einzelne bedeutsame Aspekte fehlen.</li>
      <li><span class="scale-label">Nein:</span> Wichtige Kernaussagen oder zentrale Entitaeten nicht erfasst. Zu lueckenhaft.</li>
    </ul>

    <h3>4. Kohaerent</h3>
    <p>Ist die Zusammenfassung gut strukturiert und logisch nachvollziehbar? Bilden die Saetze einen zusammenhaengenden Text?</p>
    <ul>
      <li><span class="scale-label">Ja:</span> Strukturiert und organisiert. Saetze bauen logisch aufeinander auf.</li>
      <li><span class="scale-label">Ausreichend:</span> Grundsaetzlich verstaendlich, aber stellenweise sprunghaft.</li>
      <li><span class="scale-label">Nein:</span> Unstrukturiert, Zusammenhang nur schwer nachvollziehbar.</li>
    </ul>

    <h3>Gesamtbewertung</h3>
    <p>Schulnote 1 (sehr gut) bis 6 (ungenuegend). Bezieht sich auf den generellen Eindruck, wie gut das Transkript zusammengefasst wurde. Muss kein Durchschnitt der Kriterien sein -- z.B. kann fehlende Korrektheit staerker wiegen als fehlende Kohaerenz.</p>

    <h3>Anmerkungen</h3>
    <p>Optional: Besondere Fehler, Staerken, Halluzinationen, Begruendungen oder konkrete Verbesserungsvorschlaege fuer den Prompt.</p>
  </div>

  <div class="eval-section">
    <div class="section-label">Bewertung</div>

    <div class="rating-row">
      <label>Gesamtbewertung (1 = sehr gut, 6 = ungenuegend)</label>
      <select id="bewertung" onchange="markDirty()">
        <option value="">(bitte waehlen)</option>
        <option value="1">1 - sehr gut</option>
        <option value="2">2 - gut</option>
        <option value="3">3 - befriedigend</option>
        <option value="4">4 - ausreichend</option>
        <option value="5">5 - mangelhaft</option>
        <option value="6">6 - ungenuegend</option>
      </select>
    </div>

    <div class="criteria" id="criteria"></div>

    <div class="comments-row">
      <label for="anmerkungen">Anmerkungen</label>
      <textarea id="anmerkungen" rows="3" placeholder="Optionale Anmerkungen..." oninput="markDirty()"></textarea>
    </div>
  </div>

  <div class="actions">
    <span class="save-hint" id="save-hint"></span>
    <button class="btn-save" id="btn-save" onclick="saveAnnotation()" disabled>Speichern</button>
  </div>
</div>

<div class="toast" id="toast"></div>

<script>
const CRITERIA = ["korrekt", "relevant", "vollstaendig", "kohaerenz"];
const CRITERIA_LABEL = {
  korrekt: "Korrekt",
  relevant: "Relevant",
  vollstaendig: "Vollstaendig",
  kohaerenz: "Kohaerent",
};
const CRITERIA_DESC = {
  korrekt: "Faktisch korrekt? Keine Halluzinationen?",
  relevant: "Nur wichtige Informationen? Keine Redundanzen?",
  vollstaendig: "Alle wesentlichen Fakten und Entitaeten enthalten?",
  kohaerenz: "Gut strukturiert und logisch nachvollziehbar?",
};

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let filteredRows = [];
let currentIdx = 0;
let dirty = false;

/* ---------- Auth ---------- */

function getAuthToken() {
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function applyFilters() {
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}

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  const p = await res.json();
  document.getElementById("progress-text").textContent = p.annotated + " / " + p.total;
  const pct = p.total ? Math.round(100 * p.annotated / p.total) : 0;
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}

/* ---------- Rendering ---------- */

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  if (!document.getElementById("title")) { location.reload(); return; }

  const row = filteredRows[currentIdx];
  document.getElementById("counter").textContent = (currentIdx + 1) + " / " + filteredRows.length;
  document.getElementById("btn-prev").disabled = currentIdx === 0;
  document.getElementById("btn-next").disabled = currentIdx === filteredRows.length - 1;

  document.getElementById("eval-id").textContent = row.eval_id;
  document.getElementById("title").textContent =
    (row.sende_haupttitel || "") + " \u2013 " + (row.beitragstitel || "");

  const badge = document.getElementById("badge-rfa");
  badge.textContent = row.rfa;
  badge.className = "badge badge-" + row.rfa;

  document.getElementById("badge-evaluated").style.display = row.evaluated ? "" : "none";

  const isPromptD = row.has_prior_judgement;
  document.getElementById("badge-promptd").style.display = isPromptD ? "" : "none";
  document.getElementById("reference-banner").style.display = isPromptD ? "" : "none";

  const pjEl = document.getElementById("prior-judgement");
  if (isPromptD) {
    pjEl.style.display = "";
    const grid = document.getElementById("pj-grid");
    grid.innerHTML =
      '<div class="pj-item"><span class="pj-label">Gesamt</span><span class="pj-value">' + (row.prior_bewertung || "-") + '</span></div>' +
      CRITERIA.map(c =>
        '<div class="pj-item"><span class="pj-label">' + CRITERIA_LABEL[c] +
        '</span><span class="pj-value">' + (row["prior_" + c] || "-") + '</span></div>'
      ).join("");
    const pjAnm = document.getElementById("pj-anmerkungen");
    pjAnm.textContent = row.prior_anmerkungen ? "Anmerkungen: " + row.prior_anmerkungen : "";
  } else {
    pjEl.style.display = "none";
  }

  document.getElementById("summary").textContent = row.summary || "-";
  document.getElementById("referenz").textContent = row.referenz || "-";

  const hasTranslation = row.rfa === "DW" && row.translation;
  if (hasTranslation) {
    document.getElementById("transcript-label").textContent = "Transkript (Uebersetzung)";
    document.getElementById("transcript").textContent = row.translation;
    document.getElementById("original-toggle").style.display = "";
    document.getElementById("original-text").textContent = row.transkript || "-";
    document.getElementById("original-transcript").classList.remove("open");
    document.getElementById("original-arrow").classList.remove("open");
  } else {
    document.getElementById("transcript-label").textContent = "Transkript";
    document.getElementById("transcript").textContent = row.transkript || "-";
    document.getElementById("original-toggle").style.display = "none";
    document.getElementById("original-transcript").classList.remove("open");
  }

  // Bewertung dropdown
  document.getElementById("bewertung").value = row.bewertung || "";

  // Criteria
  const criteriaEl = document.getElementById("criteria");
  criteriaEl.innerHTML = "";
  for (const c of CRITERIA) {
    const val = (row[c] || "").toLowerCase();
    const div = document.createElement("div");
    div.className = "criterion";
    div.innerHTML =
      '<label>' + CRITERIA_LABEL[c] + '</label>' +
      '<span class="criterion-desc">' + CRITERIA_DESC[c] + '</span>' +
      '<select data-criterion="' + c + '" onchange="onCriterionChange(this)">' +
        '<option value=""' + (!val ? ' selected' : '') + '>(bitte waehlen)</option>' +
        '<option value="ja"' + (val === 'ja' ? ' selected' : '') + '>ja</option>' +
        '<option value="ausreichend"' + (val === 'ausreichend' ? ' selected' : '') + '>ausreichend</option>' +
        '<option value="nein"' + (val === 'nein' ? ' selected' : '') + '>nein</option>' +
      '</select>';
    const sel = div.querySelector("select");
    applyCriterionStyle(sel);
    criteriaEl.appendChild(div);
  }

  // Anmerkungen
  document.getElementById("anmerkungen").value = row.anmerkungen || "";

  // Save hint
  document.getElementById("save-hint").textContent = row.bewertung ? "Bereits bewertet" : "";

  dirty = false;
  document.getElementById("btn-save").disabled = true;
}

function applyCriterionStyle(sel) {
  const v = sel.value;
  sel.className = v === "ja" ? "val-ja" : v === "ausreichend" ? "val-aus" : v === "nein" ? "val-nein" : "val-none";
}

/* ---------- Interaction ---------- */

function markDirty() {
  dirty = true;
  document.getElementById("btn-save").disabled = false;
  document.getElementById("save-hint").textContent = "";
}

function onCriterionChange(sel) {
  applyCriterionStyle(sel);
  markDirty();
}

function navigate(dir) {
  if (dirty && !confirm("Ungespeicherte Aenderungen verwerfen?")) return;
  dirty = false;
  currentIdx = Math.max(0, Math.min(filteredRows.length - 1, currentIdx + dir));
  render();
}

async function saveAnnotation() {
  const row = filteredRows[currentIdx];
  const data = {
    eval_id: row.eval_id,
    bewertung: document.getElementById("bewertung").value || null,
    anmerkungen: document.getElementById("anmerkungen").value || null,
  };
  document.querySelectorAll("#criteria select").forEach(sel => {
    data[sel.dataset.criterion] = sel.value || null;
  });

  const res = await fetch("/api/annotate", {
    method: "POST",
    headers: { "Content-Type": "application/json", ...authHeaders() },
    body: JSON.stringify(data),
  });

  if (res.ok) {
    // Update local row data
    for (const key of ["bewertung", "korrekt", "relevant", "vollstaendig", "kohaerenz", "anmerkungen"]) {
      row[key] = data[key];
    }
    row.evaluated = true;
    // Also update in allRows
    const src = allRows.find(r => r.eval_id === row.eval_id);
    if (src) { Object.assign(src, data); src.evaluated = true; }

    dirty = false;
    document.getElementById("btn-save").disabled = true;
    document.getElementById("save-hint").textContent = "Gespeichert";
    showToast("Gespeichert", "success");
    refreshProgress();
  } else {
    showToast("Fehler beim Speichern", "error");
  }
}

/* ---------- Utilities ---------- */

function showToast(msg, type) {
  const el = document.getElementById("toast");
  el.textContent = msg;
  el.className = "toast " + type + " show";
  setTimeout(() => el.classList.remove("show"), 2000);
}

document.addEventListener("keydown", e => {
  if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "s") {
    e.preventDefault();
    if (!document.getElementById("btn-save").disabled) saveAnnotation();
    return;
  }
  if (e.target.tagName === "SELECT" || e.target.tagName === "TEXTAREA") return;
  if (e.key === "ArrowLeft")  navigate(-1);
  if (e.key === "ArrowRight") navigate(1);
});

/* ---------- Guidelines toggle ---------- */

function toggleGuidelines() {
  const body = document.getElementById("guidelines-body");
  const arrow = document.getElementById("guidelines-arrow");
  body.classList.toggle("open");
  arrow.classList.toggle("open");
}

function toggleOriginal() {
  const body = document.getElementById("original-transcript");
  const arrow = document.getElementById("original-arrow");
  body.classList.toggle("open");
  arrow.classList.toggle("open");
}

/* ---------- Export ---------- */

async function exportAnnotations() {
  const res = await fetch("/api/export", { headers: authHeaders() });
  if (!res.ok) { showToast("Export fehlgeschlagen", "error"); return; }
  const blob = await res.blob();
  const url = URL.createObjectURL(blob);
  const a = document.createElement("a");
  a.href = url;
  a.download = "annotations.jsonl";
  a.click();
  URL.revokeObjectURL(url);
}

/* ---------- Init ---------- */
checkAuth();
</script>
</body>
</html>