#!/bin/bash
# Smoke test for chainsaw.
#
# Available SUBSET values: DeepBlueCLI | YamatoSecurity | EVTX-ATTACK-SAMPLES |
# EVTX-to-MITRE-Attack | "" (full bundle).
#
# Env vars: TAG=ls-chainsaw:test  SUBSET=DeepBlueCLI  KEEP_DATA=1
set -u
TAG="${TAG:-ls-chainsaw:test}"
SUBSET="${SUBSET:-DeepBlueCLI}"
KEEP_DATA="${KEEP_DATA:-0}"

cd "$(dirname "$0")"
ROOT="$(pwd)"
DATA="$ROOT/test-data/sample-evtx"
OUT="$(mktemp -d)"
trap 'rm -rf "$OUT"; [ "$KEEP_DATA" = 0 ] && rm -rf "$ROOT/test-data"' EXIT

pass=0; fail=0
ok()  { echo "PASS  $1"; pass=$((pass+1)); }
bad() { echo "FAIL  $1"; fail=$((fail+1)); }

if docker image inspect "$TAG" >/dev/null 2>&1; then
  ok "image $TAG present"
else
  bad "image $TAG not present"; exit 1
fi

if [ ! -d "$DATA" ]; then
  echo "Fetching sample EVTX..."
  ./fetch-test-data.sh >/dev/null
fi
SCAN="$DATA/$SUBSET"; [ -z "$SUBSET" ] && SCAN="$DATA"
n=$(find "$SCAN" -name "*.evtx" | wc -l | tr -d ' ')
[ "$n" -gt 0 ] && ok "found $n EVTX in ${SUBSET:-<all>}" || { bad "no EVTX"; exit 1; }

echo "Running chainsaw hunt..."
if docker run --rm --network=none -v "$SCAN:/data:ro" -v "$OUT:/output" "$TAG" >"$OUT/.run.log" 2>&1; then
  ok "container exited cleanly"
else
  bad "container non-zero"; tail -25 "$OUT/.run.log"
fi

run_dir=$(ls -d "$OUT"/chainsaw_* 2>/dev/null | head -1)
[ -d "$run_dir" ] && ok "output dir created" || { bad "no chainsaw_<ts>/ dir"; }
[ -d "$run_dir/csv" ] && ok "csv subdir present" || bad "csv/ missing"
[ -s "$run_dir/hunt.txt" ] && ok "hunt summary saved" || bad "hunt.txt missing"

# chainsaw prints "[+] X Detections found" — pull that.
if [ -s "$run_dir/hunt.txt" ]; then
  hits=$(grep -oE '[0-9]+ Detections found' "$run_dir/hunt.txt" | grep -oE '[0-9]+' | head -1)
  echo
  echo "Detections: ${hits:-0}"
fi

echo
echo "Summary: $pass pass, $fail fail"
[ "$fail" -eq 0 ]