#!/bin/sh
set -eu

is_true() {
  normalized=$(printf '%s' "${1:-}" | tr '[:upper:]' '[:lower:]')
  case "$normalized" in
    1|true|yes|on)
      return 0
      ;;
    *)
      return 1
      ;;
  esac
}

start_browser_debug_services() {
  display="${TENCENT_BROWSER_DISPLAY:-:99}"
  resolution="${TENCENT_BROWSER_VNC_RESOLUTION:-1440x1280x24}"

  export DISPLAY="$display"
  Xvfb "$display" -screen 0 "$resolution" -nolisten tcp >/tmp/xvfb.log 2>&1 &

  if ! is_true "${TENCENT_BROWSER_NOVNC_ENABLED:-true}"; then
    echo "[backend-dev] headed browser enabled on ${DISPLAY}; noVNC disabled"
    return
  fi

  vnc_port="${TENCENT_BROWSER_VNC_PORT:-5900}"
  novnc_port="${TENCENT_BROWSER_NOVNC_PORT:-6080}"

  x11vnc \
    -display "$display" \
    -rfbport "$vnc_port" \
    -forever \
    -shared \
    -nopw \
    -listen 0.0.0.0 \
    -xkb >/tmp/x11vnc.log 2>&1 &

  if command -v novnc_proxy >/dev/null 2>&1; then
    novnc_proxy --listen "$novnc_port" --vnc "127.0.0.1:${vnc_port}" >/tmp/novnc.log 2>&1 &
  elif [ -x /usr/share/novnc/utils/novnc_proxy ]; then
    /usr/share/novnc/utils/novnc_proxy --listen "$novnc_port" --vnc "127.0.0.1:${vnc_port}" >/tmp/novnc.log 2>&1 &
  elif command -v websockify >/dev/null 2>&1 && [ -d /usr/share/novnc ]; then
    websockify --web=/usr/share/novnc "$novnc_port" "127.0.0.1:${vnc_port}" >/tmp/novnc.log 2>&1 &
  else
    echo "[backend-dev] noVNC requested but novnc/websockify not found"
    return
  fi

  echo "[backend-dev] headed browser enabled on ${DISPLAY}; noVNC: http://127.0.0.1:${novnc_port}/vnc.html"
}

npm install --no-fund --no-audit
python3 -m pip install --no-cache-dir --break-system-packages -e /app/subservices/ocr-worker

if ! is_true "${TENCENT_BROWSER_HEADLESS:-true}"; then
  start_browser_debug_services
fi

exec npm run dev