#!/usr/bin/env sh
# Engineering gates for internal/httpapi (ERR-01, ARCH-01).
set -eu

ROOT="$(CDPATH= cd -- "$(dirname "$0")/.." && pwd)"
cd "$ROOT"

HTTPAPI="internal/httpapi"
FAIL=0

echo "==> ERR-01: no err.Error() in 5xx problem details"
if grep -rE 'writeProblem\(w, http\.StatusInternalServerError.*err\.Error\(\)' "$HTTPAPI" 2>/dev/null; then
  FAIL=1
fi
if grep -rE 'writeProblem\(w, http\.StatusBadGateway.*err\.Error\(\)' "$HTTPAPI" 2>/dev/null; then
  FAIL=1
fi

echo "==> ERR-01: no err.Error() in 4xx writeProblem (store/cdn/csv)"
if grep -rE 'writeProblem\(w, http\.Status(NotFound|UnprocessableEntity|BadRequest).*, err\.Error\(\)' "$HTTPAPI" 2>/dev/null; then
  FAIL=1
fi
if grep -rE 'writeStoreErr.*err\.Error|writeProblem.*Unprocessable.*err\.Error' "$HTTPAPI" 2>/dev/null; then
  FAIL=1
fi

echo "==> ARCH-01: no SQL/pgx queries in httpapi"
if grep -rE 'pool\.(Query|Exec|QueryRow)|SELECT |INSERT INTO |UPDATE .* SET |DELETE FROM ' "$HTTPAPI" 2>/dev/null; then
  FAIL=1
fi

if [ "$FAIL" -ne 0 ]; then
  echo "lint-httpapi: failed" >&2
  exit 1
fi
echo "lint-httpapi: ok"