#!/usr/bin/env bash
set -uo pipefail

# CASAN WP-S8 — one-command security gate.
# Runs the security-relevant harness checks and prints a single aggregate
# verdict. Live-model checks SKIP (not fail) when the Ollama tunnel is down.
# Exit: 0 all required gates green, 1 a required gate failed.

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/casan-paths.sh"
ROOT="$CASAN_APP_ROOT"
PASS=0; FAIL=0; SKIP=0
run() {  # <name> <command...>
  local name="$1"; shift
  if "$@" >/dev/null 2>&1; then echo "  GATE PASS  $name"; PASS=$((PASS+1));
  else echo "  GATE FAIL  $name"; FAIL=$((FAIL+1)); fi
}

echo "== CASAN security gate =="
run "run-casan4 harness suite"      bash "$CASAN_HARNESS_ROOT/tests/run-casan4-harness-tests.sh"
run "adversarial suite"             bash "$CASAN_HARNESS_ROOT/tests/adversarial-harness-tests.sh"
# Wave 5: sign audit head via Vault KMS (or local fallback) before verifying.
# This changes verify output from anchor=unsigned to anchor=signed when Vault is configured.
run "sign audit-chain head (KMS)"   bash "$CASAN_HARNESS_ROOT/scripts/bash/sign-audit-head.sh"
run "audit hash-chain (signed)"     bash "$CASAN_HARNESS_ROOT/scripts/bash/verify-audit-chain.sh"
run "tool-call audit (signed)"      bash "$CASAN_HARNESS_ROOT/scripts/bash/verify-tool-audit.sh"
# Wave 3 additions
run "secrets scan (WP-S4)"         bash "$CASAN_HARNESS_ROOT/scripts/bash/secrets-scan.sh"
run "no-bypass + circuit breaker"  bash "$CASAN_HARNESS_ROOT/scripts/bash/circuit-breaker-check.sh"

if curl -sS -m 5 http://127.0.0.1:11434/api/tags >/dev/null 2>&1; then
  run "model router tests"          bash "$CASAN_HARNESS_ROOT/tests/phase3-model-router-tests.sh"
  run "red-team H4 metrics (30 samples)"  bash "$CASAN_HARNESS_ROOT/tests/phase3-redteam-metrics.sh"
  run "judge gate tests (WP-B)"    bash "$CASAN_HARNESS_ROOT/tests/phase3-judge-gate-tests.sh"
else
  echo "  GATE SKIP  model router + red-team + judge-gate (Ollama tunnel down)"; SKIP=$((SKIP+1))
fi

# Wave 4 additions
FNM_NODE_DIR="$HOME/AppData/Roaming/fnm/node-versions"
if [[ -d "$FNM_NODE_DIR" ]]; then
  NODE_BIN=$(find "$FNM_NODE_DIR" -name "node.exe" -maxdepth 4 2>/dev/null | sort -V | tail -1)
  [[ -n "$NODE_BIN" ]] && export PATH="$(dirname "$NODE_BIN"):$PATH"
fi
if command -v node >/dev/null 2>&1; then
  if [[ ! -f "$ROOT/node_modules/.bin/vitest" ]]; then
    echo "  installing frontend deps (vitest not found)..."
    npm ci -w frontend --prefix "$ROOT" >/dev/null 2>&1 || true
  fi
  run "frontend runtime tests (WV4-A)"  bash -c "cd '$ROOT' && npm test -w frontend"
else
  echo "  GATE SKIP  frontend runtime tests (node not in PATH)"; SKIP=$((SKIP+1))
fi

echo "== verdict: PASS=$PASS FAIL=$FAIL SKIP=$SKIP =="
[[ "$FAIL" -eq 0 ]] || exit 1