#!/bin/bash
# rc.mpd - Music Player Daemon for Slackware
# Only starts if /mnt/media is mounted (NFS share must be available)

MPD=/usr/bin/mpd
CONF=/home/green/.config/mpd/mpd.conf
PIDFILE=/var/run/mpd/mpd.pid

start() {
    if [ -f "$PIDFILE" ] && kill -0 "$(cat $PIDFILE)" 2>/dev/null; then
        echo "mpd is already running"
        return
    fi
    echo "Starting mpd..."
    mkdir -p /var/run/mpd
    chown green:users /var/run/mpd
    # Ensure user runtime dir exists (normally created by pam_systemd on login,
    # but we start before login so we create it manually)
    mkdir -p /run/user/1000
    chown green:users /run/user/1000
    chmod 700 /run/user/1000
    # Wait for Tailscale to have connectivity to tower specifically
    echo "Waiting for Tailscale connectivity to tower..."
    for i in $(seq 1 30); do
        tailscale ping --c 1 100.73.64.64 &>/dev/null && break
        sleep 1
    done
    # Now trigger autofs mount
    echo "Waiting for /mnt/media/Music..."
    for i in $(seq 1 15); do
        ls /mnt/media/Music &>/dev/null && break
        sleep 1
    done
    if ! ls /mnt/media/Music &>/dev/null; then
        echo "WARNING: /mnt/media/Music not accessible after wait, starting MPD anyway"
    fi
    sudo -u green XDG_RUNTIME_DIR=/run/user/1000 $MPD $CONF
    echo "mpd started"
}

stop() {
    if [ -f "$PIDFILE" ] && kill -0 "$(cat $PIDFILE)" 2>/dev/null; then
        echo "Stopping mpd..."
        sudo -u green $MPD --kill $CONF
    else
        echo "mpd is not running"
    fi
}

status() {
    if [ -f "$PIDFILE" ] && kill -0 "$(cat $PIDFILE)" 2>/dev/null; then
        echo "mpd is running (pid $(cat $PIDFILE))"
    else
        echo "mpd is not running"
    fi
}

case "$1" in
    start)   start ;;
    stop)    stop ;;
    restart) stop; sleep 1; start ;;
    status)  status ;;
    *)       echo "Usage: $0 {start|stop|restart|status}" ;;
esac