[Unit]
Description=Factorio Server: %i
Wants=network-online.target
After=network.target network-online.target
StartLimitIntervalSec=600

[Service]
Type=forking
WorkingDirectory=/opt/factorio/%i

User=factorio
Group=factorio

Restart=on-failure
StartLimitBurst=5
KillSignal=SIGINT

ExecStart=/usr/bin/screen -dmS factorio-%i /opt/factorio/%i/bin/x64/factorio --start-server /opt/factorio/%i/saves/%i.zip --server-settings /opt/factorio/%i/data/server-settings.json

ExecStop=/usr/bin/screen -p 0 -S factorio-versionproto -X eval 'stuff "SERVER SHUTTING DOWN IN 5 MINUTES"\015'
ExecStop=/bin/sleep 240
ExecStop=/usr/bin/screen -p 0 -S factorio-versionproto -X eval 'stuff "SERVER SHUTTING DOWN IN 1 MINUTE"\015'
ExecStop=/bin/sleep 30
ExecStop=/usr/bin/screen -p 0 -S factorio-versionproto -X eval 'stuff "SERVER SHUTTING DOWN IN 30 SECONDS"\015'
ExecStop=/bin/sleep 20
ExecStop=/usr/bin/screen -p 0 -S factorio-versionproto -X eval 'stuff "SERVER SHUTTING DOWN IN 10 SECONDS"\015'

[Install]
WantedBy=multi-user.target