#!/bin/bash

# Check if nixos-version is available
if [ -x "$(command -v nixos-version)" ]; then
    echo "Detected NixOS, skipping Nix setup."
    return
else 
    echo "NixOS not detected, installing Nix..."
    sh <(curl -L https://nixos.org/nix/install) --daemon
fi

# Check if sed is available
if [ ! -x "$(command -v sed)" ]; then
    echo "sed is not available, please manually source the following lines in your .bashrc:"
    echo "export PATH=$PATH:$HOME/.local/bin"
    echo "export PATH=$PATH:~/dotfiles/bin"
    return
fi

if [ ! -f ~/.bashrc ]; then
    touch ~/.bashrc
fi

sed -i -e '$a\'$'\n''export PATH=$PATH:$HOME/.local/bin' ~/.bashrc
sed -i -e '$a\'$'\n''export PATH=$PATH:~/dotfiles/bin' ~/.bashrc

echo "#########################################################"
echo "#                                                       #"
echo "# !!!   RESTART YOUR TERMINAL BEFORE YOU CONTINUE   !!! #"
echo "# !!!           Continue with 'dotf update'         !!! #"
echo "#                                                       #"
echo "#########################################################"