#!/bin/bash

echo "##########################################################################################"
echo "# install script for qtile window manager"
echo "# Dennis Buchhorn - code@b-eit.de"
echo "##########################################################################################"
echo ""

if ! [[ $(id -u) == "0" ]]; then
    echo "The script need to be run as root!" >&2
    exit 1
fi

if [[ $SUDO_USER ]]; then
    REAL_USER=$SUDO_USER
else
    REAL_USER=$(whoami)
fi

for ARG in "$@"; do
    if [[ $ARG == "--repo-dir="* ]]; then
        REPO_DIR=$(echo $ARG | cut -c 12-)
    fi
done

## copied from https://github.com/JerrySM64/Qtile-Debian/blob/main/qtile-setup.sh

# Remove the EXTERNALLY-MANAGED file so pip works again
rm /usr/lib/python3.11/EXTERNALLY-MANAGED

# Install the full python 3 suite, pip, git and all dependencies
apt update
apt install python3-full python3-pip libpangocairo-1.0-0 python3-cffi python3-xcffib git -y

# Install cairocffi using pip
sudo -u $REAL_USER pip install --no-cache-dir cairocffi

if [[ $REPO_DIR == "" ]]; then
    REPO_DIR="/home/$REAL_USER/qtile"
fi

sudo -u $REAL_USER mkdir -p $REPO_DIR

sudo -u $REAL_USER git clone https://github.com/qtile/qtile.git "$REPO_DIR"
cd "$REPO_DIR"
sudo -u $REAL_USER pip install .

# Create xsessions desktop file
tee << EOF /usr/share/xsessions/qtile.desktop > /dev/null
[Desktop Entry]
Name=Qtile
Comment=Qtile Session
Type=Application
Keywords=wm;tiling
Exec=/home/$REAL_USER/.local/bin/qtile start
EOF

# Create config for using qtile as xrdp desktop session and loading pulseaudio modules for xrdp
sudo -u $REAL_USER tee -a << EOF /home/$REAL_USER/.profile > /dev/null

## start preferred desktop environment via xrdp
[ -n "\$XRDP_SESSION" ] && export DESKTOP_SESSION=qtile

## load pulseaudio modules for xrdp
/usr/libexec/pulseaudio-module-xrdp/load_pa_modules.sh
EOF