#!/bin/sh

#

# Point the device's localhost at this machine, so a development build can

# reach Metro and the API without a LAN IP

#

#   adb reverse tcp:8081 tcp:8081   # Metro

#   adb reverse tcp:3000 tcp:3000   # the API

#

# With this in place `npx expo start --localhost` is accurate, and the app

# derives its API base URL as http://localhost:3000 (no LAN IP in .env.local)

#

# adb tears these tunnels down when the device disconnects, so re-run this

# after reconnecting. A wireless-debugging session is enough; no cable needed

#

# Usage: adb-reverse.sh

set -eu

METRO_PORT=${METRO_PORT:-8081}

API_PORT=${API_PORT:-3000}

command -v adb >/dev/null 2>&1 || {

  echo "adb-reverse: adb not found; install android-tools (Linux) or platform-tools" >&2

  exit 1

}

if [ "$(adb get-state 2>/dev/null)" != "device" ]; then

  adb devices >&2 || true

  echo "adb-reverse: no device ready; connect over USB or enable wireless debugging" >&2

  exit 1

fi

for port in "$METRO_PORT" "$API_PORT"; do

  adb reverse "tcp:$port" "tcp:$port"

done

echo "adb-reverse: device localhost now reaches this machine"

adb reverse --list

echo

echo "Next: npx expo start --localhost"