#!/bin/sh
set -eu

cd "$(dirname "$0")/../.."

nginx_config=docker/nginx.conf.template
for setting in \
  'proxy_pass ${THT_FRONTEND_API_UPSTREAM}/;' \
  'proxy_http_version 1.1;' \
  'proxy_buffering off;' \
  'proxy_read_timeout 3600s;'; do
  if ! grep -Fq "$setting" "$nginx_config"; then
    echo "missing required nginx API/SSE setting: $setting" >&2
    exit 1
  fi
done

if ! grep -Fqx 'THT_FRONTEND_API_UPSTREAM=${THT_FRONTEND_API_UPSTREAM:-http://core:8787}' \
    docker/frontend-entrypoint.sh; then
  echo "frontend entrypoint is missing the private core default" >&2
  exit 1
fi

if ! grep -Fq "envsubst '\${THT_FRONTEND_API_UPSTREAM}'" docker/frontend-entrypoint.sh; then
  echo "frontend entrypoint does not render the private upstream" >&2
  exit 1
fi

if rg -n 'BACKEND_BASE_URL|VITE_BACKEND_URL' docker/frontend-entrypoint.sh docker/nginx.conf.template; then
  echo "frontend runtime routing still accepts a browser-facing backend URL" >&2
  exit 1
fi

echo "frontend same-origin proxy policy: ok"