#!/bin/sh
set -e

json_escape() {
  printf '%s' "$1" | sed 's/\\/\\\\/g; s/"/\\"/g; s/\r//g'
}

if [ -z "${APP_TITLE+x}" ]; then
  APP_TITLE="ToolBox"
fi
if [ -z "${APP_ICP+x}" ]; then
  APP_ICP=""
fi

TITLE_ESC=$(json_escape "$APP_TITLE")
ICP_ESC=$(json_escape "$APP_ICP")

CONFIG_BODY="title: \"${TITLE_ESC}\", icp: \"${ICP_ESC}\""

if [ -n "${APP_GA_MEASUREMENT_ID+x}" ]; then
  GA_ESC=$(json_escape "$APP_GA_MEASUREMENT_ID")
  CONFIG_BODY="${CONFIG_BODY}, gaId: \"${GA_ESC}\""
fi

if [ -n "${APP_JINRISHICI_SDK_URL+x}" ]; then
  JRS_ESC=$(json_escape "$APP_JINRISHICI_SDK_URL")
  CONFIG_BODY="${CONFIG_BODY}, jinrishiciSdkUrl: \"${JRS_ESC}\""
fi

cat > /usr/share/nginx/html/config.js <<EOF
window.__SITE_CONFIG__ = {
  ${CONFIG_BODY}
};
EOF

exec nginx -g 'daemon off;'