#!/usr/bin/env bash
set -Eeuo pipefail

# Docker environment variables

: ${HOST_MAC:=''}
: ${HOST_DEBUG:=''}
: ${HOST_SERIAL:=''}
: ${HOST_MODEL:=''}
: ${GUEST_SERIAL:=''}

HOST_ARGS=()
HOST_ARGS+=("-cpu=$CPU_CORES")
HOST_ARGS+=("-cpu_arch=$HOST_CPU")

[ -n "$HOST_MAC" ] && HOST_ARGS+=("-mac=$HOST_MAC")
[ -n "$HOST_MODEL" ] && HOST_ARGS+=("-model=$HOST_MODEL")
[ -n "$HOST_SERIAL" ] && HOST_ARGS+=("-hostsn=$HOST_SERIAL")
[ -n "$GUEST_SERIAL" ] && HOST_ARGS+=("-guestsn=$GUEST_SERIAL")

if [[ "$HOST_DEBUG" == [Yy1]* ]]; then
  set -x
  ./host.bin "${HOST_ARGS[@]}" &
  { set +x; } 2>/dev/null
  echo
else
  ./host.bin "${HOST_ARGS[@]}" >/dev/null &
fi

cnt=0
sleep 0.2

while ! nc -z -w2 127.0.0.1 2210 > /dev/null 2>&1; do
  sleep 0.1
  cnt=$((cnt + 1))
  (( cnt > 50 )) && error "Failed to connect to qemu-host.." && exit 58
done

cnt=0

while ! nc -z -w2 127.0.0.1 12345 > /dev/null 2>&1; do
  sleep 0.1
  cnt=$((cnt + 1))
  (( cnt > 50 )) && error "Failed to connect to qemu-host.." && exit 59
done

# Configure serial ports

if [[ "$CONSOLE" != [Yy]* ]]; then
  SERIAL_OPTS="-serial pty"
else
  SERIAL_OPTS="-serial mon:stdio"
fi

SERIAL_OPTS="$SERIAL_OPTS \
        -device virtio-serial-pci,id=virtio-serial0,bus=pcie.0,addr=0x3 \
        -chardev socket,id=charchannel0,host=127.0.0.1,port=12345,reconnect=10 \
        -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=vchannel"

return 0