#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2026 Echolot contributors
# SPDX-License-Identifier: GPL-3.0-or-later
#
# PC-side connector for the wireless-adb beacon. Polls the fmr beacon map and
# ensures each device has a working adb connection.
#
# Existing adb connections SURVIVE wireless-debug port rotation, so once a
# device's IP is connected we leave it ALONE even if the beacon now reports a
# different port. Chasing the new port would tear down the working link and
# spam the phone with "wireless debugging connected" notifications. We only
# (re)connect when NO working entry exists for that IP.
BEACON="${ECHOLOT_BEACON_URL:-http://89.185.109.150:443/beacon}"
while true; do
  curl -s --max-time 5 "$BEACON" 2>/dev/null | python -c '
import json,sys,time
try: d=json.load(sys.stdin)
except: d={}
now=int(time.time())
for dev,v in (d or {}).items():
    if now-v.get("seen_at",0) < 150:
        print(dev, v["ip"], v["port"])
' 2>/dev/null | while read dev ip port; do
    if adb devices | awk -v ip="$ip" '$1 ~ ("^"ip":") && $2=="device"{f=1} END{exit !f}'; then
      continue
    fi
    adb devices | awk -v ip="$ip" '$1 ~ ("^"ip":"){print $1}' | while read stale; do
      adb disconnect "$stale" >/dev/null 2>&1
    done
    r=$(adb connect "$ip:$port" 2>&1)
    echo "$(date +%H:%M:%S) [$dev] $ip:$port -> $r"
  done
  sleep 8
done