#!/bin/bash
PROGNAME=${0##*/}
INSTALL_DIR=/usr/local/opt/jupyterhub
LANGUAGES=( de-DE )
export HOME=/var/local/jupyterhub

if [ ! -f $HOME/timestamps/home-created.timestamp ]; then
    echo "$PROGNAME: INFO: creating fake home ..." >&2
    mkdir -p $HOME/{timestamps,log}
    touch $HOME/timestamps/home-created.timestamp
fi
if [ ! -f $HOME/timestamps/conda-init.timestamp ]; then
    echo "$PROGNAME: INFO: running 'conda init' ..." >&2
    /usr/local/opt/miniforge3/bin/conda init -q
    touch $HOME/timestamps/conda-init.timestamp
fi
if [ ! -f $HOME/timestamps/create-and-activate.timestamp ]; then
    echo "$PROGNAME: INFO: running 'conda create' ..." >&2
    . ~/.bashrc
    conda create -q -y -p $INSTALL_DIR jupyterhub jupyterlab notebook $(for L in "${LS[@]}"; do echo jupyterlab-language-pack-$L; done)
    echo "$PROGNAME: INFO: running 'conda activate' ..." >&2
    conda activate $INSTALL_DIR
    touch $HOME/timestamps/create-and-activate.timestamp
fi

. ~/.bashrc
if [ ! -f $HOME/timestamps/create-config.timestamp ]; then
    echo "$PROGNAME: INFO: generating default config file ..." >&2
    cd $HOME 
    conda run -p $INSTALL_DIR jupyterhub --generate-config
    mv jupyterhub_config.py /etc
    cd - > /dev/null
    touch $HOME/timestamps/create-config.timestamp
fi

exec conda run -p $INSTALL_DIR jupyterhub --config=/etc/jupyterhub_config.py >> $HOME/log/jupyterhub.log