#!/bin/sh
set -eu

# The generic image contains an empty fallback; installed containers mount the generated
# public projection over it. An optional path lets host projection tests use this same check.
config_file=${1:-/usr/share/nginx/html/config.js}
test -f "$config_file" && test -r "$config_file"
config=$(tr -d '[:space:]' < "$config_file")
case "$config" in
  'window.__THOTHII_CONFIG__={};')
    test -z "${THT_FRONTEND_CONFIG_REVISION:-}"
    ;;
  *)
    # Installation Load validates BCP47 syntax. Here check only the public payload shape;
    # catalog availability and fallback belong to the frontend, not the generic image.
    locale='[A-Za-z][A-Za-z0-9]*(-[A-Za-z0-9]+)*'
    full="\"mode\":\"full\",\"defaultLocale\":\"$locale\""
    embedded="\"mode\":\"embedded\",\"defaultLocale\":\"$locale\",\"adapter\":\"omics-portal\""
    if ! printf '%s\n' "$config" | LC_ALL=C grep -Eq "^window\.__THOTHII_CONFIG__=\{\"backendBaseUrl\":\"/api\",\"shell\":\{($full|$embedded)\}\};$"; then
      echo "Invalid frontend public runtime configuration" >&2
      exit 1
    fi
    ;;
esac

printf '%s\n' "frontend runtime config smoke: ok"