#!/usr/bin/env bash
# Stop hook: the agent may only finish when typecheck and unit tests pass on the current code.
set -uo pipefail
cd "${CLAUDE_PROJECT_DIR:-$(git rev-parse --show-toplevel)}"

payload="$(cat)"
# Avoid a loop: if we already blocked once in this turn, let it stop and show the failure to the user.
if printf '%s' "$payload" | grep -q '"stop_hook_active"[[:space:]]*:[[:space:]]*true'; then
  exit 0
fi

# Nothing changed in the app, nothing to verify.
if [ -z "$(git status --porcelain -- apps/web package.json pnpm-lock.yaml)" ]; then
  exit 0
fi

run() {
  local label="$1"; shift
  local out
  if ! out="$("$@" 2>&1)"; then
    {
      echo "VERIFY FAILED: $label"
      echo "$out" | tail -n 40
      echo "Fix the cause (do not weaken tests), then finish again."
    } >&2
    exit 2
  fi
}

run "typecheck" pnpm --filter @mintel/web typecheck
run "unit tests" pnpm --filter @mintel/web test
exit 0