#!/usr/bin/env bash
set -euo pipefail
source ./lib.sh

log "systemd Units (Reverb / Scheduler / Queue) …"

cat > /etc/systemd/system/${APP_USER}-ws.service <<EOF
[Unit]
Description=${APP_NAME} WebSocket Backend
After=network-online.target
Wants=network-online.target
[Service]
Type=simple
Environment=NODE_ENV=production WS_PORT=8080
User=${APP_USER}
Group=${APP_GROUP}
WorkingDirectory=${APP_DIR}
ExecStartPre=/usr/bin/bash -lc 'test -f .env'
ExecStartPre=/usr/bin/bash -lc 'test -d vendor'
ExecStart=/usr/bin/php artisan reverb:start --host=127.0.0.1 --port=8080 --no-interaction
Restart=always
RestartSec=2
StandardOutput=append:/var/log/${APP_USER}-ws.log
StandardError=append:/var/log/${APP_USER}-ws.log
KillSignal=SIGINT
TimeoutStopSec=15
[Install]
WantedBy=multi-user.target
EOF

cat > /etc/systemd/system/${APP_USER}-schedule.service <<EOF
[Unit]
Description=${APP_NAME} Laravel Scheduler
After=network-online.target
Wants=network-online.target
[Service]
Type=simple
User=${APP_USER}
Group=${APP_GROUP}
WorkingDirectory=${APP_DIR}
ExecStartPre=/usr/bin/bash -lc 'test -f .env'
ExecStartPre=/usr/bin/bash -lc 'test -d vendor'
ExecStart=/usr/bin/php artisan schedule:work
Restart=always
RestartSec=2
StandardOutput=append:/var/log/${APP_USER}-schedule.log
StandardError=append:/var/log/${APP_USER}-schedule.log
KillSignal=SIGINT
TimeoutStopSec=15
[Install]
WantedBy=multi-user.target
EOF

cat > /etc/systemd/system/${APP_USER}-queue.service <<EOF
[Unit]
Description=${APP_NAME} Queue Worker
After=network-online.target
Wants=network-online.target
[Service]
Type=simple
User=${APP_USER}
Group=${APP_GROUP}
WorkingDirectory=${APP_DIR}
ExecStartPre=/usr/bin/bash -lc 'test -f .env'
ExecStartPre=/usr/bin/bash -lc 'test -d vendor'
ExecStart=/usr/bin/php artisan queue:work --queue=default,notify --tries=1
Restart=always
RestartSec=2
StandardOutput=append:/var/log/${APP_USER}-queue.log
StandardError=append:/var/log/${APP_USER}-queue.log
KillSignal=SIGINT
TimeoutStopSec=15
[Install]
WantedBy=multi-user.target
EOF

chown root:root /etc/systemd/system/${APP_USER}-*.service
chmod 644 /etc/systemd/system/${APP_USER}-*.service
touch /var/log/${APP_USER}-ws.log /var/log/${APP_USER}-schedule.log /var/log/${APP_USER}-queue.log
chown ${APP_USER}:${APP_GROUP} /var/log/${APP_USER}-*.log
chmod 664 /var/log/${APP_USER}-*.log

systemctl daemon-reload

# Optional: Reverb nur wenn vorhanden
if sudo -u "$APP_USER" -H bash -lc "cd ${APP_DIR} && php artisan list --no-ansi | grep -qE '(^| )reverb:start( |$)'"; then
  systemctl enable --now ${APP_USER}-ws
else
  systemctl disable --now ${APP_USER}-ws >/dev/null 2>&1 || true
fi
systemctl enable --now ${APP_USER}-schedule
systemctl enable --now ${APP_USER}-queue

# Web stack neu laden
systemctl reload nginx || true
systemctl restart php*-fpm || true

# Postfix/Dovecot erst nach Migration reloaden
db_ready(){ mysql -u"${DB_USER}" -p"${DB_PASS}" -h 127.0.0.1 -D "${DB_NAME}" -e "SHOW TABLES LIKE 'migrations'\G" >/dev/null 2>&1; }
if db_ready; then
  systemctl reload postfix || true
  systemctl reload dovecot || true
else
  echo "[i] DB noch nicht migriert – überspringe Postfix/Dovecot reload."
fi