sudo systemctl stop rdpclient

cat | sudo tee /home/pi/rdp-start.sh > /dev/null <<'EOF'
#!/bin/bash
set -eu

# ---- USB-Serial 자동 탐색 (Honeywell 우선) ----
DEV=""
for CAND in /dev/ttyACM* /dev/ttyUSB*; do
  if [ -e "$CAND" ]; then
    VENDOR=$(udevadm info -q all -n "$CAND" 2>/dev/null | grep ID_VENDOR_ID || true)
    PRODUCT=$(udevadm info -q all -n "$CAND" 2>/dev/null | grep ID_MODEL_ID || true)
    if echo "$VENDOR$PRODUCT" | grep -qi "0c2e"; then
      DEV="$CAND"
      break
    fi
  fi
done

if [ -n "$DEV" ]; then
  echo "[RDP-START] serial redirect: $DEV -> COM3"
  SERIAL_OPT="/serial:COM3,${DEV},Serial"
else
  echo "[RDP-START] WARNING: no Honeywell device found; skipping serial redirect"
  SERIAL_OPT=""
fi

# ---- 경량 WM + 화면 절전 방지 ----
openbox-session &
xset s off
xset -dpms
xset s noblank
setxkbmap us || true

# ---- 접속 기본값 ----
SIZE="1920x1080"
BPP="16"
SRV="pharmq.kr:7390"
USR="pqserver"
PW="pharmq119"

# ---- 성능 최적화 (윈도우 UI 효과 제거) ----
PERF="-wallpaper -themes -menu-anims -window-drag"

# ---- FreeRDP 공통 옵션 ----
BASE="/u:${USR} /p:${PW} /v:${SRV} \
/bpp:${BPP} /clipboard /cert:ignore \
/compression /network:lan ${PERF} /log-level:INFO /f"

# ---- 코덱 순차 시도 ----
for MODE in "/gfx:avc420" "/gfx" "/rfx" ""; do
  LABEL="${MODE:-bitmap}"
  echo "[RDP-START] trying: xfreerdp3 ${LABEL}"
  if xfreerdp3 $BASE $SERIAL_OPT $MODE; then
    echo "[RDP-START] connected with: ${LABEL}"
    exit 0
  fi
done

exit 1
EOF

sudo chmod +x /home/pi/rdp-start.sh
sudo systemctl start rdpclient