#!/bin/bash
set -euo pipefail
BRAIN="${BRAIN:-/Users/josephanady/Desktop/AI_Brain_Control}"
DB="$BRAIN/db/shards_index.sqlite"
source "$BRAIN/scripts/_util.sh"

bad=0
while IFS='|' read -r id file hash; do
  [ -z "$id" ] && continue
  if [ ! -f "$file" ]; then
    echo "❌ missing file for shard #$id → $file"
    bad=$((bad+1)); continue
  fi
  calc=$(sha256_file "$file")
  if [ "$calc" != "$hash" ]; then
    echo "❌ hash mismatch shard #$id ($file)"
    echo "   db:   $hash"
    echo "   calc: $calc"
    bad=$((bad+1))
  else
    echo "✅ verified shard #$id"
  fi
done < <(sqlite3 -separator '|' "$DB" "PRAGMA busy_timeout=5000; SELECT id,file,hash FROM shards ORDER BY id ASC;")

if [ $bad -gt 0 ]; then
  echo "=== Verification failed: $bad issues ==="; exit 1
else
  echo "=== Verification OK ==="
fi