#!/bin/bash

if [ "$EUID" -e 0 ]; then
  printf "Please run as user. I will invoke sudo when needed."
  exit
fi

pushd $(dirname "$0")

if [ ! -d "home" ]; then
  mkdir home
fi

if [ ! -d "home/.ssh" ]; then
  mkdir home/.ssh
fi

ident=$(<~/.ssh/id_rsa.pub)
grep -sqF -- "$ident" "home/.ssh/authorized_keys" || echo "$ident" >> "home/.ssh/authorized_keys"

sudo docker-compose down

echo U_ID="$(id -u)" > $(dirname "$0")/.env
echo G_ID="$(id -g)" >> $(dirname "$0")/.env

sudo U_ID="$(id -u)" G_ID="$(id -g)" docker-compose build
sudo U_ID="$(id -u)" G_ID="$(id -g)" docker-compose up -d

up_result=$(sudo docker-compose ps -q)

hosts=()

while read line; do
  hosts+=(`sudo docker inspect --format='{{ .Config.Hostname }}' $line`)
  #xhost +local:`sudo docker inspect --format='{{ .Config.Hostname }}' $line`
done <<< "$up_result"

echo "Adding to xhost:"
for host in ${hosts[@]}; do
  echo " + $host"
  xhost "+local:$host"
done

echo "Attaching."
sudo docker-compose up

echo "Removing from xhost:"
for host in ${hosts[@]}; do
  echo " - $host"
  xhost "-local:$host"
done

popd