#!/bin/bash

DIRECTORY="$(dirname "$(dirname "$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )")")"

function error {
  echo -e "\\e[91m$1\\e[39m"
  exit 1
}

cd $HOME

#if box86 folder exists
if [ -d box86 ];then
  # if OS is not twisteros, then ask
  if [ ! -f /usr/local/bin/twistver ];then
    echo -n "Box86 already exists on your system. Do you want it overwritten with the latest version? [Y/n] "
    read answer
    if [ ! -z "$answer" ] && [ "$answer" == 'n' ];then
      echo -e "OK, using your pre-existing version of box86.\nBe warned though: It may be out of date and \e[1m\e[97mmay not run Zoom successfully!\e[0m"
      #os is not twister, and box86 exists, but user declined overwrite
      compile=0
    else
      #not twisteros, box86 does exist, and user confirmed overwrite
      compile=1
    fi
  else
    #os is twisteros and box86 folder exists: don't even ask, grayduck says the answer is NO
    compile=0
  fi
else
  #os may or may not be twisteros, but box86 does not exist
  compile=1
fi


echo ''

if [ -d "${HOME}/zoom" ];then
  echo -ne "${HOME}/zoom already exists on your system. Do you want it overwritten with the latest version? [Y/n] "
  read answer
  if [ ! -z "$answer" ] && [ "$answer" == 'n' ];then
    dlzoom=0
  else
    dlzoom=1
  fi
else
  dlzoom=1
fi

# Get dependencies
cd $HOME
"${DIRECTORY}/pkg-install" "libxcb-xtest0 libxcb-xfixes0 cmake pulseaudio-utils pulseaudio" "$(dirname "$0")" || exit 1

#refresh lib list
sudo ldconfig

if [ $dlzoom == 1 ];then
  echo "Downloading Zoom..."
  rm -rf "${HOME}/zoom" ~/zoom_i686.tar.xz
  wget 'https://zoom.us/client/latest/zoom_i686.tar.xz' || error 'Failed to download Zoom i686!'
  tar -xf ~/zoom_i686.tar.xz || error 'Failed to extract Zoom i686!'
  rm -f ~/zoom_i686.tar.xz #who cares if this fails
fi

echo 'Creating launcher script'
echo '#!/bin/bash
echo -e "\e[102m\e[30mLaunching pulseaudio.\e[0m"
pulseaudio &
pulsepid=$!
trap "kill $pulsepid" EXIT
echo "the pulsepid is $pulsepid"
sleep 2
cd ${HOME}/zoom/
echo -e "\e[102m\e[30mLaunching Zoom.\e[0m"
box86 zoom' > "${HOME}/zoom/runzoom.sh"
chmod +x "${HOME}/zoom/runzoom.sh"

if [ $compile == 1 ];then
  gio trash ~/box86
  git clone https://github.com/ptitSeb/box86 || error 'Failed to clone repository!'
  cd box86 || error 'Failed to enter repository!'
  mkdir build || error 'Failed to make build directory!'
  cd build || error 'Failed to enter build directory!'
  cmake .. -DRPI4=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo || error 'Failed to run cmake!'
  
  echo "Compiling box86..."
  make -j24 || error 'Failed to compile!'
  
  echo "Installing box86 on your system..."
  sudo make install || error 'Failed to run sudo make install!'
  cd $HOME
fi
cd $HOME

if [ ! -f /usr/local/bin/box86 ];then
  error "Box86 should be installed by now, but /usr/local/bin/box86 does not exist!"
fi

echo "Restarting systemd-binfmt service..."
sudo systemctl restart systemd-binfmt #if this fails, no big deal.

echo "Creating Application Menu button..."
echo "[Desktop Entry]
Name=Zoom
Exec=lxterminal --title 'Close this window to exit Zoom' -e "\""$HOME/zoom/runzoom.sh"\""
Icon=${DIRECTORY}/apps/Zoom/icon-64.png
Path=${HOME}/zoom/
Type=Application
Comment=i386 version of software platform used for teleconferencing using Box86
Categories=Network;" > ~/.local/share/applications/zoom.desktop

echo "Installation complete!"

systemctl --user disable pulseaudio.service pulseaudio.socket