import { useEffect, useState } from 'react';
import type { FormEvent } from 'react';
import { Link, useParams } from 'react-router';
import { useAuth } from '../auth/AuthContext';
import { Alert, LoadingBlock, errorMessage } from '../components/Feedback';
import { Icon } from '../components/Icon';
import { SearchableSelect } from '../components/SearchableSelect';
import { formatDate, formatDateOnly } from '../lib/format';
import {
  addInspectionReportCompanyResponse,
  addInspectionReportFollowUp,
  getInspectionReportF4,
  inspectionReportCompanyResponseDownloadUrl,
  inspectionReportConsolidatedWordDownloadUrl,
  inspectionReportFollowUpDownloadUrl,
  inspectionReportGedoPdfDownloadUrl,
  inspectionReportWordDownloadUrl,
  listInspectionReportFollowUps,
  officializeInspectionReport,
  setInspectionReportResponseDeadline,
  updateInspectionReportNarrative,
} from '../lib/reportWorkflowApi';
import type {
  InspectionReportDetailF4,
  InspectionReportFollowUp,
  InspectionReportFollowUpType,
} from '../lib/reportWorkflowApi';

function names(items: Array<{ name: string }>, empty: string): string {
  return items.length ? items.map((item) => item.name).join(' · ') : empty;
}

function localDateTime(value: Date): string {
  const local = new Date(value.getTime() - value.getTimezoneOffset() * 60_000);
  return local.toISOString().slice(0, 16);
}

function localDate(value = new Date()): string {
  const local = new Date(value.getTime() - value.getTimezoneOffset() * 60_000);
  return local.toISOString().slice(0, 10);
}

function reportStatusLabel(status: InspectionReportDetailF4['status']): string {
  if (status === 'WORKING') return 'En preparación';
  if (status === 'OFFICIALIZED') return 'Oficializado en GEDO';
  if (status === 'CANCELLED') return 'Cancelado';
  return 'Legado congelado';
}

function reportStatusClass(status: InspectionReportDetailF4['status']): string {
  if (status === 'OFFICIALIZED') return 'active';
  if (status === 'CANCELLED') return 'danger';
  return 'pending';
}

function followUpLabel(type: InspectionReportFollowUpType): string {
  if (type === 'COMPANY_NOTE') return 'Presentación / nota de empresa';
  if (type === 'COMPANY_DOCUMENT') return 'Documento de empresa';
  if (type === 'INTERNAL_NOTE') return 'Nota interna';
  if (type === 'VERIFICATION') return 'Verificación';
  return 'Otro antecedente';
}

function fileSize(value: number | null): string {
  if (!value || value < 1) return '';
  if (value < 1024) return `${value} B`;
  if (value < 1024 * 1024) return `${Math.round(value / 1024)} KB`;
  return `${(value / (1024 * 1024)).toFixed(1)} MB`;
}

export function ReportDetailPage() {
  const { id } = useParams();
  const { hasPermission } = useAuth();
  const canManage = hasPermission('inspection_reports.generate');
  const [report, setReport] = useState<InspectionReportDetailF4 | null>(null);
  const [followUps, setFollowUps] = useState<InspectionReportFollowUp[]>([]);
  const [loading, setLoading] = useState(true);
  const [working, setWorking] = useState(false);
  const [error, setError] = useState('');
  const [success, setSuccess] = useState('');

  const [executiveSummary, setExecutiveSummary] = useState('');
  const [reportDescription, setReportDescription] = useState('');
  const [gedoIfIdentifier, setGedoIfIdentifier] = useState('');
  const [gedoOfficializedAt, setGedoOfficializedAt] = useState(localDateTime(new Date()));
  const [gedoFile, setGedoFile] = useState<File | null>(null);

  const [responseDueOn, setResponseDueOn] = useState('');
  const [deadlineReason, setDeadlineReason] = useState('');

  const [companyReceivedOn, setCompanyReceivedOn] = useState(localDate());
  const [companyDetails, setCompanyDetails] = useState('');
  const [companyCommittedOn, setCompanyCommittedOn] = useState('');
  const [companyContactName, setCompanyContactName] = useState('');
  const [companyContactEmail, setCompanyContactEmail] = useState('');
  const [companyResponseFile, setCompanyResponseFile] = useState<File | null>(null);

  const [followUpType, setFollowUpType] = useState<InspectionReportFollowUpType>('INTERNAL_NOTE');
  const [followUpOccurredAt, setFollowUpOccurredAt] = useState(localDateTime(new Date()));
  const [followUpReference, setFollowUpReference] = useState('');
  const [followUpDescription, setFollowUpDescription] = useState('');
  const [followUpFile, setFollowUpFile] = useState<File | null>(null);

  const reload = async () => {
    if (!id) return;
    const [nextReport, nextFollowUps] = await Promise.all([
      getInspectionReportF4(id),
      listInspectionReportFollowUps(id),
    ]);
    setReport(nextReport);
    setFollowUps(nextFollowUps);
    setExecutiveSummary(nextReport.executiveSummary ?? '');
    setReportDescription(nextReport.reportDescription ?? '');
    setGedoIfIdentifier(nextReport.gedoIfIdentifier ?? '');
    if (nextReport.gedoOfficializedAt) setGedoOfficializedAt(localDateTime(new Date(nextReport.gedoOfficializedAt)));
    setResponseDueOn(nextReport.responseDueOn?.slice(0, 10) ?? '');
  };

  useEffect(() => {
    if (!id) return;
    setLoading(true);
    setError('');
    reload().catch((requestError) => setError(errorMessage(requestError))).finally(() => setLoading(false));
  }, [id]);

  const saveNarrative = async (event: FormEvent) => {
    event.preventDefault();
    if (!id || report?.status !== 'WORKING') return;
    setWorking(true); setError(''); setSuccess('');
    try {
      await updateInspectionReportNarrative(id, { executiveSummary: executiveSummary.trim() || null, description: reportDescription.trim() || null });
      await reload();
      setSuccess('Contenido editable del INF actualizado. El Acta fuente y sus Hallazgos no fueron modificados.');
    } catch (requestError) { setError(errorMessage(requestError)); } finally { setWorking(false); }
  };

  const officialize = async (event: FormEvent) => {
    event.preventDefault();
    if (!id || !gedoFile || !gedoIfIdentifier.trim() || !gedoOfficializedAt) return;
    setWorking(true); setError(''); setSuccess('');
    try {
      await officializeInspectionReport(id, { gedoIfIdentifier: gedoIfIdentifier.trim(), gedoOfficializedAt: new Date(gedoOfficializedAt).toISOString(), file: gedoFile });
      setGedoFile(null);
      await reload();
      setSuccess('PDF oficial e identificador IF de GEDO cargados manualmente. El Informe quedó oficializado.');
    } catch (requestError) { setError(errorMessage(requestError)); } finally { setWorking(false); }
  };

  const saveDeadline = async (event: FormEvent) => {
    event.preventDefault();
    if (!id || report?.status !== 'OFFICIALIZED' || !responseDueOn) return;
    setWorking(true); setError(''); setSuccess('');
    try {
      await setInspectionReportResponseDeadline(id, { responseDueOn, reason: deadlineReason.trim() || null });
      setDeadlineReason('');
      await reload();
      setSuccess(`Vencimiento ${formatDateOnly(responseDueOn)} aplicado a todos los Hallazgos del Acta ${report.act.code}.`);
    } catch (requestError) { setError(errorMessage(requestError)); } finally { setWorking(false); }
  };

  const addCompanyResponse = async (event: FormEvent) => {
    event.preventDefault();
    if (!id || report?.status !== 'OFFICIALIZED' || !companyReceivedOn) return;
    if (!companyDetails.trim() && !companyResponseFile) return;
    setWorking(true); setError(''); setSuccess('');
    try {
      await addInspectionReportCompanyResponse(id, {
        receivedOn: companyReceivedOn,
        details: companyDetails.trim() || undefined,
        committedCorrectionOn: companyCommittedOn || undefined,
        contactName: companyContactName.trim() || undefined,
        contactEmail: companyContactEmail.trim() || undefined,
        file: companyResponseFile,
      });
      setCompanyDetails(''); setCompanyCommittedOn(''); setCompanyContactName(''); setCompanyContactEmail(''); setCompanyResponseFile(null); setCompanyReceivedOn(localDate());
      await reload();
      setSuccess(`Respuesta de empresa registrada y vinculada al Informe ${report.code} y al Acta ${report.act.code}.`);
    } catch (requestError) { setError(errorMessage(requestError)); } finally { setWorking(false); }
  };

  const addFollowUp = async (event: FormEvent) => {
    event.preventDefault();
    if (!id || !followUpOccurredAt) return;
    if (!followUpDescription.trim() && !followUpReference.trim() && !followUpFile) return;
    setWorking(true); setError(''); setSuccess('');
    try {
      const next = await addInspectionReportFollowUp(id, {
        type: followUpType,
        occurredAt: new Date(followUpOccurredAt).toISOString(),
        externalReference: followUpReference.trim() || null,
        description: followUpDescription.trim() || null,
        file: followUpFile,
      });
      setFollowUps(next); setFollowUpReference(''); setFollowUpDescription(''); setFollowUpFile(null); setFollowUpOccurredAt(localDateTime(new Date()));
      setSuccess('Antecedente agregado al historial del Informe.');
    } catch (requestError) { setError(errorMessage(requestError)); } finally { setWorking(false); }
  };

  if (loading) return <LoadingBlock label="Cargando informe…" />;

  const timeline: Array<{ id: string; date: string; title: string; description: string; href?: string; fileName?: string }> = report ? [
    { id: 'act-start', date: report.act.occurredAt, title: `Inspección y Acta ${report.act.code}`, description: `${report.findingCount} hallazgo${report.findingCount === 1 ? '' : 's'} registrados`, href: `/inspecciones/actas/${report.actId}` },
    ...(report.act.sealedAt ? [{ id: 'act-sealed', date: report.act.sealedAt, title: 'Acta firmada y cerrada', description: report.act.code, href: `/inspecciones/actas/${report.actId}` }] : []),
    { id: 'report-issued', date: report.generatedAt, title: `Informe ${report.code} preparado`, description: 'Documento técnico vinculado al Acta' },
    ...(report.gedoOfficializedAt ? [{ id: 'gedo', date: report.gedoOfficializedAt, title: 'PDF oficial de GEDO cargado', description: report.gedoIfIdentifier ?? '' }] : []),
    ...report.deadlines.map((item) => ({ id: `deadline-${item.id}`, date: item.createdAt, title: 'Vencimiento general del Acta', description: `${formatDateOnly(item.responseDueOn)} · ${item.reason}` })),
    ...report.companyResponses.map((item) => ({ id: `response-${item.id}`, date: `${item.receivedOn}T12:00:00`, title: `Respuesta de empresa · Acta ${report.act.code}`, description: item.details ?? item.originalName ?? 'Respuesta registrada', href: item.originalName ? inspectionReportCompanyResponseDownloadUrl(report.id, item.id) : undefined, fileName: item.originalName ?? undefined })),
    ...followUps.map((item) => ({ id: item.id, date: item.occurredAt, title: followUpLabel(item.type), description: item.description || item.externalReference || item.originalName || 'Antecedente registrado', href: item.originalName ? inspectionReportFollowUpDownloadUrl(report.id, item.id) : undefined, fileName: item.originalName ?? undefined })),
  ].sort((a, b) => b.date.localeCompare(a.date)) : [];

  return <section>
    <div className="breadcrumb"><Link to="/informes">Informes</Link><span>/</span><span>{report?.code ?? 'Informe'}</span></div>
    <div className="page-heading survey-editor-heading">
      <div><span className="eyebrow">INFORME DE INSPECCIÓN</span><h1>{report?.code ?? 'Informe'}</h1><p>{report ? `Acta ${report.act.code} · generado ${formatDate(report.generatedAt)}` : 'Consulta del informe.'}</p></div>
      {report && <div className="report-status-stack"><span className={`status-badge large ${report.wordStatus === 'READY' ? 'active' : report.wordStatus === 'FAILED' ? 'danger' : 'pending'}`}>{report.wordStatus === 'READY' ? 'Word disponible' : report.wordStatus === 'FAILED' ? 'Word con error' : 'Word pendiente'}</span><span className={`status-badge large ${reportStatusClass(report.status)}`}>{reportStatusLabel(report.status)}</span></div>}
    </div>

    {error && <Alert>{error}</Alert>}
    {success && <Alert type="success">{success}</Alert>}

    {report && <>
      <div className="temporal-notice"><Icon name="clipboard" /><p><strong>Un Informe corresponde a una sola Acta.</strong> GEDO no se consulta automáticamente: la oficialización se registra manualmente cargando el IF y su PDF oficial. Esa carga no genera una respuesta de empresa ni define un vencimiento por sí sola.</p></div>

      <section className="panel report-summary-panel">
        <div className="panel-heading"><div><span className="eyebrow">TRAZABILIDAD DOCUMENTAL</span><h2>{report.code}</h2></div><small className="muted">Versión del Acta: {report.actVersion}</small></div>
        <div className="responsible-summary"><div><small>Empresa</small><strong>{names(report.companies, 'Sin asignar')}</strong></div><div><small>Área / Yacimiento</small><strong>{names(report.areas, 'Sin asignar')}</strong></div><div><small>Hallazgos</small><strong>{report.findingCount}</strong></div><div><small>Generado por</small><strong>{report.generatedBy.firstName} {report.generatedBy.lastName}</strong></div></div>
        <div className="report-linked-documents"><Link to={`/inspecciones/${report.visitId}`}><span>Inspección</span><strong>{report.visit.code}</strong><Icon name="chevron" /></Link><Link to={`/inspecciones/actas/${report.actId}`}><span>Acta fuente</span><strong>{report.act.code}</strong><small>Contenido inmutable</small><Icon name="chevron" /></Link><Link to={`/hallazgos?search=${encodeURIComponent(report.act.code)}`}><span>Hallazgos del Acta</span><strong>{report.findingCount}</strong><small>Seguimiento técnico</small><Icon name="chevron" /></Link></div>
      </section>

      <section className="panel">
        <div className="panel-heading"><div><span className="eyebrow">WORD EDITABLE</span><h2>Preparación del INF</h2><p className="section-copy">El Inspector puede revisar y ajustar el texto antes de enviarlo a GEDO. Esta edición no altera el Acta fuente.</p></div><div className="act-primary-actions"><a className="button secondary" href={inspectionReportConsolidatedWordDownloadUrl(report.id)}>Descargar Word del informe</a>{report.wordStatus === 'READY' && <a className="button secondary" href={inspectionReportWordDownloadUrl(report.id)}>Word anterior</a>}</div></div>
        <form className="form-section" onSubmit={saveNarrative}><label className="field"><span>Resumen ejecutivo</span><textarea rows={4} maxLength={20000} value={executiveSummary} onChange={(event) => setExecutiveSummary(event.target.value)} disabled={!canManage || report.status !== 'WORKING'} /></label><label className="field"><span>Descripción / análisis técnico</span><textarea rows={8} maxLength={50000} value={reportDescription} onChange={(event) => setReportDescription(event.target.value)} disabled={!canManage || report.status !== 'WORKING'} /></label>{canManage && report.status === 'WORKING' && <div className="form-actions"><button className="button primary" disabled={working}>{working ? 'Guardando…' : 'Guardar contenido del INF'}</button></div>}{report.status !== 'WORKING' && <Alert type="info">El contenido editable se cerró al registrar manualmente el PDF oficial de GEDO.</Alert>}</form>
      </section>

      <section className="panel">
        <div className="panel-heading"><div><span className="eyebrow">GEDO</span><h2>Oficialización del Informe</h2><p className="section-copy">No existe una respuesta automática de GEDO. Cuando recibas el identificador IF y el PDF oficial, cargalos manualmente aquí.</p></div></div>
        {report.status === 'OFFICIALIZED' ? <><div className="responsible-summary"><div><small>Identificador IF</small><strong>{report.gedoIfIdentifier ?? '—'}</strong></div><div><small>Fecha GEDO</small><strong>{formatDate(report.gedoOfficializedAt)}</strong></div><div><small>PDF oficial</small><strong>{report.gedoPdfOriginalName ?? 'Registrado'}</strong></div><div><small>Vencimiento de respuestas</small><strong>{formatDateOnly(report.responseDueOn)}</strong></div></div>{report.gedoPdfOriginalName && <div className="form-actions"><a className="button secondary" href={inspectionReportGedoPdfDownloadUrl(report.id)}>Descargar PDF oficial</a></div>}{report.gedoPdfSha256 && <div className="temporal-notice"><Icon name="check" /><p><strong>PDF GEDO fijado.</strong> SHA-256: <code>{report.gedoPdfSha256}</code></p></div>}</> : canManage && report.status === 'WORKING' ? <form className="form-section" onSubmit={officialize}><div className="form-grid"><label className="field"><span>Identificador IF de GEDO</span><input value={gedoIfIdentifier} onChange={(event) => setGedoIfIdentifier(event.target.value)} required maxLength={255} placeholder="IF-2026-…" /></label><label className="field"><span>Fecha de oficialización</span><input type="datetime-local" value={gedoOfficializedAt} onChange={(event) => setGedoOfficializedAt(event.target.value)} required /></label></div><label className="field"><span>PDF oficial de GEDO</span><input type="file" accept="application/pdf,.pdf" onChange={(event) => setGedoFile(event.target.files?.[0] ?? null)} required /></label><Alert>Esta carga es manual. Registra la referencia institucional del Informe, pero no crea respuestas ni vencimientos automáticamente.</Alert><div className="form-actions"><button className="button primary" disabled={working || !gedoFile || !gedoIfIdentifier.trim()}>{working ? 'Registrando…' : 'Cargar IF y PDF oficial'}</button></div></form> : <Alert type="info">El Informe todavía no está oficializado en GEDO.</Alert>}
      </section>

      <section className="panel">
        <div className="panel-heading"><div><span className="eyebrow">PLAZO DE RESPUESTA</span><h2>Vencimiento común del Acta</h2><p className="section-copy">La fecha se define una sola vez para el Acta {report.act.code} y se proyecta sobre todos sus Hallazgos.</p></div></div>
        {report.status !== 'OFFICIALIZED' ? <Alert type="info">Este paso se habilita después de cargar el PDF oficial de GEDO.</Alert> : <>
          <div className="responsible-summary"><div><small>Acta relacionada</small><strong>{report.act.code}</strong></div><div><small>Vencimiento vigente</small><strong>{formatDateOnly(report.responseDueOn)}</strong></div><div><small>Hallazgos alcanzados</small><strong>{report.findings.length}</strong></div><div><small>Motivo / referencia</small><strong>{report.deadlineReason ?? 'Sin definir'}</strong></div></div>
          {canManage && <form className="form-section" onSubmit={saveDeadline}><div className="form-grid"><label className="field"><span>Fecha de vencimiento</span><input type="date" value={responseDueOn} onChange={(event) => setResponseDueOn(event.target.value)} required /></label><label className="field"><span>Motivo / referencia <em>opcional</em></span><input value={deadlineReason} onChange={(event) => setDeadlineReason(event.target.value)} maxLength={1000} placeholder={`Vencimiento general del Acta ${report.act.code}`} /></label></div><div className="form-actions"><button className="button primary" disabled={working || !responseDueOn}>{report.responseDueOn ? 'Registrar nuevo vencimiento' : 'Definir vencimiento'}</button></div></form>}
        </>}
        <div className="table-scroll"><table><thead><tr><th>Hallazgo</th><th>Elemento</th><th>Estado</th><th>Vencimiento</th></tr></thead><tbody>{report.findings.map((finding) => <tr key={finding.id}><td><Link className="text-link" to={`/hallazgos/${finding.id}`}>{finding.code}</Link><small className="block-muted">{finding.title}</small></td><td><strong>{finding.assetName}</strong><small className="block-muted">{finding.assetCode}</small></td><td><span className={`status-badge ${finding.status === 'OPEN' ? 'observed' : 'active'}`}>{finding.status === 'OPEN' ? 'Abierto' : finding.status}</span></td><td><strong>{formatDateOnly(finding.responseDueOn)}</strong></td></tr>)}</tbody></table></div>
      </section>

      <section className="panel">
        <div className="panel-heading"><div><span className="eyebrow">RESPUESTAS DE EMPRESA</span><h2>Presentaciones vinculadas al Acta {report.act.code}</h2><p className="section-copy">Cada respuesta queda vinculada simultáneamente a este Informe y a su Acta fuente. Puede incluir un PDF recibido de la empresa.</p></div></div>
        {report.status !== 'OFFICIALIZED' ? <Alert type="info">Las respuestas se habilitan después de cargar el PDF oficial de GEDO.</Alert> : <>
          {report.companyResponses.length === 0 ? <Alert type="info">Todavía no se registraron respuestas de la empresa.</Alert> : <div className="dossier-link-list">{report.companyResponses.map((item) => <div key={item.id}><div><strong>Respuesta recibida {formatDateOnly(item.receivedOn)}</strong><small>{item.details ?? 'Sin detalle'}{item.committedCorrectionOn ? ` · Compromiso: ${formatDateOnly(item.committedCorrectionOn)}` : ''}</small>{item.contactName && <small>{item.contactName}{item.contactEmail ? ` · ${item.contactEmail}` : ''}</small>}{item.originalName && <a className="text-link" href={inspectionReportCompanyResponseDownloadUrl(report.id, item.id)}>Descargar {item.originalName} {fileSize(item.sizeBytes) && `· ${fileSize(item.sizeBytes)}`}</a>}</div><span>Acta {report.act.code}</span></div>)}</div>}
          {canManage && <form className="form-section" onSubmit={addCompanyResponse}><div><h3>Registrar respuesta</h3><p className="section-copy">La respuesta se registra sobre el Informe {report.code} y queda relacionada con el Acta {report.act.code}.</p></div><div className="form-grid"><label className="field"><span>Fecha de recepción</span><input type="date" value={companyReceivedOn} onChange={(event) => setCompanyReceivedOn(event.target.value)} required /></label><label className="field"><span>Fecha comprometida por la empresa <em>opcional</em></span><input type="date" value={companyCommittedOn} onChange={(event) => setCompanyCommittedOn(event.target.value)} /></label><label className="field"><span>Contacto <em>opcional</em></span><input value={companyContactName} onChange={(event) => setCompanyContactName(event.target.value)} maxLength={200} /></label><label className="field"><span>Email <em>opcional</em></span><input type="email" value={companyContactEmail} onChange={(event) => setCompanyContactEmail(event.target.value)} maxLength={320} /></label></div><label className="field"><span>Detalle de la respuesta</span><textarea rows={5} maxLength={8000} value={companyDetails} onChange={(event) => setCompanyDetails(event.target.value)} placeholder="Respuesta, descargo, compromiso o documentación presentada…" /></label><label className="field"><span>PDF de respuesta <em>opcional</em></span><input type="file" accept="application/pdf,.pdf" onChange={(event) => setCompanyResponseFile(event.target.files?.[0] ?? null)} /></label><div className="form-actions"><button className="button primary" disabled={working || (!companyDetails.trim() && !companyResponseFile)}>Registrar respuesta</button></div></form>}
        </>}
      </section>

      <section className="panel">
        <div className="panel-heading"><div><span className="eyebrow">HISTORIA DEL INFORME</span><h2>Otros antecedentes</h2><p className="section-copy">Cronología documental completa. Las respuestas formales de empresa se cargan en el bloque anterior; aquí quedan notas internas, verificaciones y otros antecedentes.</p></div></div>
        <div className="dossier-link-list">{timeline.map((item) => <div key={item.id}><div><strong>{item.title}</strong><small>{item.description}</small>{item.href && (item.fileName ? <a className="text-link" href={item.href}>Descargar {item.fileName}</a> : <Link className="text-link" to={item.href}>Ver Acta</Link>)}</div><span>{formatDate(item.date)}</span></div>)}</div>
        {canManage && <form className="form-section" onSubmit={addFollowUp}><div><h3>Agregar otro antecedente</h3><p className="section-copy">No usar este bloque para respuestas formales de empresa.</p></div><div className="form-grid"><label className="field"><span>Tipo</span><SearchableSelect value={followUpType} onChange={(event) => setFollowUpType(event.target.value as InspectionReportFollowUpType)}><option value="INTERNAL_NOTE">Nota interna</option><option value="VERIFICATION">Verificación</option><option value="OTHER">Otro antecedente</option></SearchableSelect></label><label className="field"><span>Fecha</span><input type="datetime-local" value={followUpOccurredAt} onChange={(event) => setFollowUpOccurredAt(event.target.value)} required /></label><label className="field"><span>Referencia externa <em>opcional</em></span><input value={followUpReference} onChange={(event) => setFollowUpReference(event.target.value)} maxLength={255} /></label></div><label className="field"><span>Descripción</span><textarea rows={4} maxLength={20000} value={followUpDescription} onChange={(event) => setFollowUpDescription(event.target.value)} /></label><label className="field"><span>Archivo <em>opcional</em></span><input type="file" onChange={(event) => setFollowUpFile(event.target.files?.[0] ?? null)} /></label><div className="form-actions"><button className="button primary" disabled={working || (!followUpDescription.trim() && !followUpReference.trim() && !followUpFile)}>Agregar al historial</button></div></form>}
      </section>

      <section className="panel report-integrity-panel"><div className="panel-heading"><div><span className="eyebrow">INTEGRIDAD</span><h2>Fuente inmutable</h2><p className="section-copy">El INF conserva una copia verificable del Acta sellada que le dio origen.</p></div></div><dl className="report-integrity-list"><div><dt>Acta fuente</dt><dd>{report.act.code}</dd></div><div><dt>Hash de cierre del Acta</dt><dd>{report.actClosureSha256}</dd></div><div><dt>Hash de la fuente del INF</dt><dd>{report.frozenSha256}</dd></div><div><dt>Estado del INF</dt><dd>{reportStatusLabel(report.status)}</dd></div></dl></section>
    </>}
  </section>;
}