#!/bin/bash
# Start a single p2pds node: scripts/start-node.sh [1|2] [--clean]
set -e
NODE=${1:-1}
PIDFILE="/tmp/p2pds-node${NODE}.pid"
PORTFILE="/tmp/p2pds-node${NODE}.port"
LOGFILE="/tmp/p2pds-node${NODE}.log"

# Stop if already running
if [ -f "$PIDFILE" ]; then
  kill "$(cat "$PIDFILE")" 2>/dev/null || true
  rm -f "$PIDFILE" "$PORTFILE"
  sleep 1
fi

# Optionally wipe data
if [ "$2" = "--clean" ] || [ "$1" = "--clean" ]; then
  DATADIR="data"
  [ "$NODE" = "2" ] && DATADIR="data-node2"
  echo "Cleaning $DATADIR..."
  rm -rf "$DATADIR/pds.db" "$DATADIR/pds.db-shm" "$DATADIR/pds.db-wal" "$DATADIR/blobs" "$DATADIR/ipfs"
fi

npm run build

# Fixed high port per node (node1=6700, node2=6701)
PORT=$((6699 + NODE))
export PORT

if [ "$NODE" = "2" ]; then
  set -a && source data-node2/.env && set +a
  export PORT  # override .env PORT with our random one
fi

> "$LOGFILE"
node dist/server.js > "$LOGFILE" 2>&1 &
echo $! > "$PIDFILE"
echo "$PORT" > "$PORTFILE"

# Wait for P2PDS_READY or failure
for i in $(seq 1 30); do
  if grep -q "P2PDS_READY" "$LOGFILE" 2>/dev/null; then
    echo ""
    cat "$LOGFILE"
    echo ""
    echo "PID: $(cat "$PIDFILE")  PORT: $PORT"
    exit 0
  fi
  if grep -q "Error:" "$LOGFILE" 2>/dev/null; then
    echo "Node $NODE failed to start:"
    cat "$LOGFILE"
    rm -f "$PIDFILE" "$PORTFILE"
    exit 1
  fi
  sleep 1
done

echo "Node $NODE startup timed out. Log:"
cat "$LOGFILE"
rm -f "$PIDFILE" "$PORTFILE"
exit 1