#!/bin/sh
# audio-bridge entrypoint
# Starts DBus (system + session), BlueZ, WirePlumber, then PipeWire.
# PA clients (librespot, mopidy) connect via pipewire-pulse bridge on TCP localhost:4713.

set -e

mkdir -p /run/dbus /run/user/0
chmod 0755 /run/dbus
chmod 0700 /run/user/0
# Clean up stale pid files from previous container runs (host volume persists).
rm -f /run/dbus/dbus.pid /run/user/0/dbus.pid

# System DBus (needed by bluetoothd, wireplumber)
dbus-daemon --system --fork
sleep 0.5

# Session DBus (needed by PipeWire for portal/jackdbus-detect modules).
# Use XDG_RUNTIME_DIR=/run/user/0 so dbus-launch puts socket there.
export XDG_RUNTIME_DIR=/run/user/0
dbus-daemon --session --address=unix:path=/run/user/0/bus --fork
sleep 0.3

# BlueZ (Bluetooth stack). --compat = legacy mode for older audio devices.
# Disabled if no /sys/class/bluetooth — wireplumber will skip BT modules.
if [ -d /sys/class/bluetooth ]; then
    /usr/lib/bluetooth/bluetoothd --compat --nodetach &
    sleep 0.5
    echo "[audio-bridge] bluetoothd started"
else
    echo "[audio-bridge] no bluetooth hardware — skipping bluetoothd"
fi

# WirePlumber first (manages PipeWire session/policy, loads BT modules on demand)
wireplumber &
sleep 1

# PipeWire (audio server). Listens on its own native socket.
pipewire &

# PipeWire-Pulse daemon: PA-compatible bridge. Listen on TCP 4713 so PA clients
# (librespot, mopidy) can connect from sibling containers without unix socket
# path coupling.
sleep 1
exec pipewire-pulse -a tcp:4713 -a unix:/tmp/pulse-socket