#!/usr/bin/env bash
# Run ON the Proxmox host (or via: ssh root@192.168.11.10 'bash -s' < scripts/fix-besu-services-on-host.sh)
# Creates besu-sentry.service in CT 1504 and besu-rpc.service in CT 2301 if Besu is installed but service missing.
# If /opt/besu or /etc/besu are missing, those CTs need Besu installed first (see docs/03-deployment/MISSING_CONTAINERS_LIST.md).
# Usage: run from project root, or on host: bash fix-besu-services-on-host.sh

set -euo pipefail

BESU_HOME="${BESU_HOME:-/opt/besu}"
BESU_CONFIG="${BESU_CONFIG:-/etc/besu}"
BESU_USER="${BESU_USER:-besu}"
BESU_GROUP="${BESU_GROUP:-besu}"

create_sentry_service() {
  local vmid=1504
  pct exec "$vmid" -- bash -c "cat > /etc/systemd/system/besu-sentry.service << 'SVCEOF'
[Unit]
Description=Hyperledger Besu Sentry Node
After=network.target
Wants=network-online.target

[Service]
Type=simple
User=$BESU_USER
Group=$BESU_GROUP
WorkingDirectory=$BESU_HOME
Environment=\"BESU_OPTS=-Xmx2g -Xms1g\"
ExecStart=$BESU_HOME/bin/besu --config-file=$BESU_CONFIG/config-sentry.toml
Restart=always
RestartSec=10
LimitNOFILE=65536
StandardOutput=journal
StandardError=journal
SyslogIdentifier=besu-sentry

[Install]
WantedBy=multi-user.target
SVCEOF"
  pct exec "$vmid" -- systemctl daemon-reload
  pct exec "$vmid" -- systemctl enable besu-sentry.service
  pct exec "$vmid" -- systemctl start besu-sentry.service
  echo "Started besu-sentry in $vmid"
}

create_rpc_service() {
  local vmid=2301
  local config=""
  for c in config-rpc-private.toml config-rpc.toml; do
    if pct exec "$vmid" -- test -f "/etc/besu/$c" 2>/dev/null; then config="$c"; break; fi
  done
  [[ -z "$config" ]] && { echo "2301: No config-rpc*.toml in /etc/besu"; return 1; }
  pct exec "$vmid" -- bash -c "cat > /etc/systemd/system/besu-rpc.service << SVCEOF
[Unit]
Description=Hyperledger Besu RPC Node
After=network.target
Wants=network-online.target

[Service]
Type=simple
User=$BESU_USER
Group=$BESU_GROUP
WorkingDirectory=$BESU_HOME
Environment=\"BESU_OPTS=-Xmx2g -Xms1g\"
ExecStart=$BESU_HOME/bin/besu --config-file=$BESU_CONFIG/$config
Restart=always
RestartSec=10
LimitNOFILE=65536
StandardOutput=journal
StandardError=journal
SyslogIdentifier=besu-rpc

[Install]
WantedBy=multi-user.target
SVCEOF"
  pct exec "$vmid" -- systemctl daemon-reload
  pct exec "$vmid" -- systemctl enable besu-rpc.service
  pct exec "$vmid" -- systemctl start besu-rpc.service
  echo "Started besu-rpc in $vmid (config: $config)"
}

# Detect if we're inside a container (pct not available) or on host
if ! command -v pct &>/dev/null; then
  echo "Not on Proxmox host (pct not found). Run this script on the host or via: ssh root@192.168.11.10 'bash -s' < scripts/fix-besu-services-on-host.sh"
  exit 1
fi

ML110_VMS="1504 2301"
for v in $ML110_VMS; do
  status=$(pct status "$v" 2>/dev/null | awk '{print $2}' || echo "unknown")
  if [[ "$status" != "running" ]]; then
    echo "CT $v not running (status: $status), skip"
    continue
  fi
  if [[ "$v" == "1504" ]]; then
    if pct exec "$v" -- test -f /opt/besu/bin/besu 2>/dev/null && pct exec "$v" -- test -f /etc/besu/config-sentry.toml 2>/dev/null; then
      if ! pct exec "$v" -- systemctl cat besu-sentry.service &>/dev/null; then
        create_sentry_service
      else
        pct exec "$v" -- systemctl start besu-sentry.service 2>/dev/null || true
        echo "1504: besu-sentry already had unit, started"
      fi
    else
      echo "1504: Besu or config-sentry.toml missing, skip"
    fi
  elif [[ "$v" == "2301" ]]; then
    if pct exec "$v" -- test -f /opt/besu/bin/besu 2>/dev/null; then
      if ! pct exec "$v" -- systemctl cat besu-rpc.service &>/dev/null; then
        create_rpc_service
      else
        pct exec "$v" -- systemctl start besu-rpc.service 2>/dev/null || true
        echo "2301: besu-rpc already had unit, started"
      fi
    else
      echo "2301: Besu binary missing, skip"
    fi
  fi
done

echo "Done. Check: pct exec 1504 -- systemctl status besu-sentry; pct exec 2301 -- systemctl status besu-rpc"