#!/usr/bin/env bash
# systemd/install.sh — generate + install one system service per workpc process.
# run with sudo. units run as User=kami off the workpc venv. session manager is ordered first.
set -euo pipefail
APP_DIR="$(cd "$(dirname "$0")/.." && pwd)"
PY="$APP_DIR/.venv/bin/python"
DEST=/etc/systemd/system

# name module port  (session_manager guards the GPU; workers want it up first)
WORKERS=(
  "session session_manager 8095"
  "crop worker_crop 8000"
  "vision worker_vision 8002"
  "identity worker_identity 8003"
  "scene worker_scene 8004"
  "script worker_script 8005"
  "tts worker_tts 8006"
  "layers worker_layers 8007"
  "render worker_render 8008"
)

for spec in "${WORKERS[@]}"; do
  read -r name mod port <<<"$spec"
  wants=""
  [ "$name" != "session" ] && wants="Wants=manga-session.service
After=manga-session.service"
  unit="manga-${name}.service"
  cat > "$DEST/$unit" <<EOF
[Unit]
Description=manga workpc — $name
$wants

[Service]
User=kami
WorkingDirectory=$APP_DIR
Environment=MIOPEN_USER_DB_PATH=/home/kami/.config/miopen MIOPEN_SYSTEM_DB_PATH=/home/kami/.config/miopen MIOPEN_FIND_MODE=2
ExecStart=$PY -m uvicorn ${mod}:app --host 0.0.0.0 --port ${port}
Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF
  echo "wrote $DEST/$unit"
done

systemctl daemon-reload
echo "installed. enable all: systemctl enable --now manga-{session,crop,vision,identity,scene,script,tts,layers,render}"