[Unit]
Description=Raspberry Pi Video Player with Random Video Startup
Documentation=https://github.com/your-repo/ulivision-tv
After=network.target sound.target graphical-session.target
Wants=graphical-session.target

[Service]
Type=simple
User=pi
Group=pi
WorkingDirectory=/home/pi/ulivision-tv
ExecStart=/usr/bin/python3 /home/pi/ulivision-tv/video_player.py --random
ExecReload=/bin/kill -HUP $MAINPID
Restart=always
RestartSec=10
StandardOutput=journal
StandardError=journal
SyslogIdentifier=video-player-random

# Environment variables
Environment=DISPLAY=:0
Environment=XAUTHORITY=/home/pi/.Xauthority
Environment=PYTHONPATH=/home/pi/ulivision-tv
Environment=HOME=/home/pi

# Security settings
NoNewPrivileges=false
PrivateTmp=false
ProtectSystem=false
ProtectHome=false

# Resource limits
LimitNOFILE=65536
MemoryMax=512M

# GPIO access
SupplementaryGroups=gpio

[Install]
WantedBy=multi-user.target