#!/usr/bin/env bash
set -euo pipefail

target=/etc/systemd/system/fifo_server_daemon.service

tmp=$(mktemp)
trap 'rm -f "$tmp"' EXIT

cat > "$tmp" <<'UNIT'
[Unit]
Description=FIFO text processing daemon (systemd-managed)
After=network.target

[Service]
Type=simple
ExecStart=/home/pajjilykk/CLionProjects/CS-LABS/mine/rgz/fifo_server_daemon 1000
User=pajjilykk
Group=pajjilykk
WorkingDirectory=/home/pajjilykk/CLionProjects/CS-LABS/mine/rgz

# мягко останавливать и давать время на выход
KillSignal=SIGTERM
TimeoutStopSec=5s
KillMode=control-group

# перезапускать при падении/timeout
Restart=on-failure
RestartSec=1s

[Install]
WantedBy=multi-user.target
UNIT

sudo install -m 0644 "$tmp" "$target"
sudo systemctl daemon-reload

echo "Replaced \`$target\` with the predefined service unit."