export function mapPgObservationRow(row, userId) {
  return {
    id: Number(row.id),
    userId: String(userId),
    observedAt: row.observed_at ? new Date(row.observed_at).getTime() : Date.now(),
    metricType: row.metric_type,
    valueNum: row.value_num != null ? Number(row.value_num) : null,
    valueText: row.value_text ?? null,
    unit: row.unit ?? null,
    context: row.context ?? null,
    source: row.source ?? 'manual',
    sourceRef: row.source_ref ?? null,
    qualityFlag: row.quality_flag ?? 'ok',
    deletedAt: row.deleted_at ? new Date(row.deleted_at).getTime() : null,
    createdAt: row.created_at ? new Date(row.created_at).getTime() : Date.now(),
  };
}

export function mapObservationToPgPayload(observation) {
  const payload = {
    observed_at: new Date(observation.observedAt ?? Date.now()).toISOString(),
    metric_type: observation.metricType,
    value_num: observation.valueNum ?? null,
    value_text: observation.valueText ?? null,
    unit: observation.unit ?? null,
    context: observation.context ?? null,
    source: observation.source ?? 'manual',
    source_ref: observation.sourceRef ?? null,
    time_source: observation.timeSource ?? 'user_specified',
    confidence: observation.confidence ?? null,
    quality_flag: observation.qualityFlag ?? 'ok',
  };
  if (observation.rawPayload != null) {
    payload.raw_payload =
      typeof observation.rawPayload === 'string'
        ? observation.rawPayload
        : JSON.stringify(observation.rawPayload);
  }
  return payload;
}

export function mapPgDocumentRow(row, userId) {
  return {
    id: Number(row.id),
    userId: String(userId),
    assetId: row.asset_id ?? null,
    imageUrl: row.asset_id ? null : null,
    source: 'manual',
    notes: row.title ?? null,
    docType: row.doc_type ?? 'other',
    extractionStatus: row.extraction_status ?? 'pending',
    createdAt: row.created_at ? new Date(row.created_at).getTime() : Date.now(),
  };
}