#! /bin/sh

set -o pipefail
set -e
set -u

cd src

echo PRINTING PDF
echo ...which google
bin=google-chrome-stable
if ! which $bin; then
   bin=chromium
fi
which $bin
if ! which miniserve; then
   wget -O $GOPATH/bin/miniserve https://github.com/svenstaro/miniserve/releases/download/v0.24.0/miniserve-0.24.0-x86_64-unknown-linux-musl
   chmod +x $GOPATH/bin/miniserve
fi
which miniserve
miniserve -p 58080 ./homebrew/ &
pid=${!}
until curl localhost:58080; do sleep 5; done
$bin \
   --no-sandbox \
   --headless \
   --disable-gpu \
   --print-to-pdf=./homebrew/homebrew.pdf \
   --run-all-compositor-stages-before-draw \
   --no-pdf-header-footer \
   http://localhost:58080/homebrew.html
get_state() {
   cksum ./homebrew/homebrew.pdf | awk '{print $1}'
}
state=$(get_state)
while true; do
   sleep 5
   if [ "$state" == "$(get_state)" ]; then
      break
   fi
done
kill $pid || true
echo