#!/usr/bin/env bash
#
# bridge-emulator.sh — (host-side) expose the emulator's adbd to the LAN so agents
# inside the container/other machines can use it: binds :5557 -> 127.0.0.1:5601.
# The emulator console transport (emulator-5600) stays local-only; this bridges the
# adbd TCP port 5601.
set -euo pipefail
ADBD_PORT=5601
BRIDGE_PORT=5557

# start emulator if not running
ADB="${ANDROID_SDK_ROOT:-$HOME/Android/Sdk}/platform-tools/adb"
if ! "$ADB" devices | grep -q "emulator-5600.*device"; then
  echo "emulator-5600 not running — starting it…"
  ADB_VENDOR_KEYS="$HOME/.android/adbkey" setsid nohup \
    "${ANDROID_SDK_ROOT:-$HOME/Android/Sdk}/emulator/emulator" -avd jtubesc -port 5600 \
    -no-window -gpu swiftshader_indirect -no-snapshot -no-audio -no-boot-anim \
    > /tmp/jtube-emu.log 2>&1 < /dev/null &
  echo "waiting for boot (log: /tmp/jtube-emu.log)…"
  for i in $(seq 1 60); do
    ok=$("$ADB" -s emulator-5600 shell getprop sys.boot_completed 2>/dev/null | tr -d '\r')
    [ "$ok" = "1" ] && { echo "BOOTED"; break; }
    sleep 5
  done
fi

# keep JTube TV installed + running
APK="$HOME/Projects/jtube-tv/app/build/outputs/apk/debug/app-debug.apk"
if [ -f "$APK" ]; then
  "$ADB" -s emulator-5600 install -r "$APK" >/dev/null && echo "JTube TV installed"
  "$ADB" -s emulator-5600 shell am start -n net.jeena.jtubetv/.MainActivity && echo "app started"
fi

# the bridge (bind all LAN addresses)
if ! ss -tln 2>/dev/null | grep -q ":$BRIDGE_PORT"; then
  setsid nohup socat TCP-LISTEN:$BRIDGE_PORT,bind=0.0.0.0,fork,reuseaddr \
    TCP:127.0.0.1:$ADBD_PORT > /tmp/jtube-bridge.log 2>&1 < /dev/null &
  echo "bridge: :$BRIDGE_PORT -> 127.0.0.1:$ADBD_PORT (pid $!)"
fi

echo "From this host:      adb connect localhost:$BRIDGE_PORT"
echo "From other machines: adb connect rutherford:$BRIDGE_PORT"