#!/bin/bash
# Daily restart of project systemd services (local only).
# Run via cron. Requires passwordless sudo for systemctl restart.
# Log: data/restart-services.log
#
# Local only: no SSH, no remote commands. Manages systemd units and
# local Docker (mempool stack, bitcoind container) on the current machine.

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
LOG_FILE="$SCRIPT_DIR/restart-services.log"
MEMPOOL_COMPOSE="${PROJECT_DIR}/mempool/docker-compose.signet.yml"
BITCOIND_CONTAINER="bitcoin-signet-instance"

SERVICES=(
  bitcoin-signet
  bitcoin
  anchorage-api
  api-relay
  clamav-api
  faucet-api
  filigrane-api
  signet-dashboard
  userwallet
  website-skeleton
)

log() { echo "$(date -Iseconds) $*" | tee -a "$LOG_FILE"; }

cd "$PROJECT_DIR" || exit 1

log "=== Restart services cron (local only, no SSH) ==="

# 1. Verify enabled (warn if not)
for u in "${SERVICES[@]}"; do
  if ! systemctl is-enabled "$u" &>/dev/null; then
    log "WARN: $u is not enabled (will not start at boot)"
  fi
done

# 2. Restart active units; track attempted
restarted=()
for u in "${SERVICES[@]}"; do
  if ! systemctl is-active --quiet "$u" 2>/dev/null; then
    log "SKIP: $u not active (not installed or not running on this machine)"
    continue
  fi
  log "Restarting $u..."
  if sudo systemctl restart "$u"; then
    log "  $u OK"
    restarted+=("$u")
  else
    log "  $u FAILED"
    restarted+=("$u")
  fi
done

# 3. Verify active for restarted units
for u in "${restarted[@]}"; do
  if ! systemctl is-active --quiet "$u" 2>/dev/null; then
    log "WARN: $u not active after restart"
  fi
done

# 4. Docker: mempool stack (local only)
if [ -f "$MEMPOOL_COMPOSE" ] && command -v docker &>/dev/null; then
  log "Restarting mempool (docker)..."
  mem_ok=1
  (cd "${PROJECT_DIR}/mempool" && docker compose -f docker-compose.signet.yml restart &>/dev/null) && mem_ok=0
  [ "$mem_ok" -ne 0 ] && (cd "${PROJECT_DIR}/mempool" && docker-compose -f docker-compose.signet.yml restart &>/dev/null) && mem_ok=0
  if [ "$mem_ok" -eq 0 ]; then
    log "  mempool OK"
  else
    log "  mempool FAILED"
  fi
else
  if [ ! -f "$MEMPOOL_COMPOSE" ]; then
    log "SKIP: mempool compose not found (not deployed on this machine)"
  else
    log "SKIP: mempool requires docker (not available)"
  fi
fi

# 5. Docker: bitcoind container (local only)
if docker ps -a -q -f "name=^${BITCOIND_CONTAINER}$" 2>/dev/null | grep -q .; then
  log "Restarting $BITCOIND_CONTAINER..."
  if docker restart "$BITCOIND_CONTAINER" &>/dev/null; then
    log "  $BITCOIND_CONTAINER OK"
  else
    log "  $BITCOIND_CONTAINER FAILED"
  fi
else
  log "SKIP: $BITCOIND_CONTAINER container not found (bitcoind may run as systemd)"
fi

log "=== Done ==="
tail -n 100 "$LOG_FILE" > "$LOG_FILE.tmp" && mv "$LOG_FILE.tmp" "$LOG_FILE"