sudo apt-get update
sudo apt-get install wget curl unzip python3 python3-pip xvfb -y

cd `dirname $0`
if [[ ! `dpkg -l | grep chrome` ]]
then
    echo 'install google-chrome'
    deb_url='https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb'
    wget $deb_url -O –
    sudo dpkg -i –
    rm -f –
fi

echo 'download chromedriver...'
chrome_version=`google-chrome --version | awk -F '[ .]' '/^Google Chrome [0-9]+(.[0-9])*/ {print $3}'`
if [[ ! $chrome_version ]]
then
    echo 'google-chrome not found'
    exit 1
fi
[[ ! -d driver ]] && mkdir driver
if [[ -f driver/chromedriver ]]
then
    driver_version=`driver/chromedriver --version | awk -F '[ .]' '/^ChromeDriver [0-9]+(.[0-9])* */ {print $2}'`
fi
if [[ $chrome_version -ne $driver_version ]]
then
    driver_version_url=https://chromedriver.storage.googleapis.com/LATEST_RELEASE_$chrome_version
    driver_version=`curl $driver_version_url`
    driver_url=https://chromedriver.storage.googleapis.com/$driver_version/chromedriver_linux64.zip
    wget -O chromedriver_linux64.zip $driver_url
    unzip -d driver -o chromedriver_linux64.zip
    rm -f chromedriver_linux64.zip
fi

echo 'install python requirements...'
pip3 install -r requirements.txt