#!/bin/bash
set -e

DISK="/opt/qemu/alpine.raw"
SEED="/opt/qemu/seed.iso"

RAM="8G"
CORES=4

echo "Starting VM (Q35, 4 cores, CPU max, cache=unsafe)..."
qemu-system-x86_64 \
    -smp $CORES,sockets=1,cores=$CORES \
    -cpu max \
    -m "$RAM" \
    -drive file="$DISK",format=raw,if=virtio,cache=unsafe,aio=threads,discard=unmap \
    -drive file="$SEED",format=raw,if=virtio,cache=unsafe \
    -netdev user,id=net0,hostfwd=tcp::2222-:22 \
    -device virtio-net,netdev=net0 \
    -vga virtio \
    -display vnc=:0 \
    -daemonize \
    -machine pc-q35-7.2,accel=tcg \
    -rtc base=localtime,clock=host \
    -no-shutdown \
    -no-reboot

# Start noVNC port 7860
websockify --web=/novnc 7860 localhost:5900 &

echo "================================================"
echo " 🖥️  VNC: http://localhost:7860/vnc.html"
echo " 🔐 SSH: ssh alpine@localhost -p 2222"
echo " 🧾 Login: alpine / root"
echo "================================================"

# Wait SSH
for i in {1..30}; do
  nc -z localhost 2222 && echo "✅ VM ready!" && break
  echo "⏳ Waiting SSH..."
  sleep 2
done

wait