#!/bin/sh
# Write the SPA's runtime operator config at container start.
#
# The nginx base image runs every /docker-entrypoint.d/*.sh before launching
# nginx, so this overwrites the build-time public/config.js stub with the
# operator's runtime config ($PUBLIC_API_BASE_URL, $PUBLIC_ENABLE_REGISTRATION).
# That lets one prebuilt image target any backend origin and toggle sign-up
# without rebuilding. Resolution + precedence live in src/config/env.ts.
set -eu

: "${PUBLIC_API_BASE_URL:=/api/v1}"
: "${PUBLIC_ENABLE_REGISTRATION:=true}"
ROOT="${NGINX_HTML_ROOT:-/usr/share/nginx/html}"

# Anything but "false"/"0" enables the sign-up UI (mirrors parseFlag in env.ts).
if [ "$PUBLIC_ENABLE_REGISTRATION" = "false" ] || [ "$PUBLIC_ENABLE_REGISTRATION" = "0" ]; then
  ENABLE_REGISTRATION=false
else
  ENABLE_REGISTRATION=true
fi

printf 'window.__APP_CONFIG__={"apiBaseUrl":"%s","enableRegistration":%s};\n' \
  "$PUBLIC_API_BASE_URL" "$ENABLE_REGISTRATION" \
  >"$ROOT/config.js"

echo "runtime-config: wrote apiBaseUrl=$PUBLIC_API_BASE_URL enableRegistration=$ENABLE_REGISTRATION to $ROOT/config.js"