#!/usr/bin/env bash
set -euo pipefail

if [ $(whoami) == "root" ]; then
    echo "Run as a normal user, not root"
    exit 1
fi

sudo_remove_file_if_exists() {
    if [ -f $1 ]; then
        sudo rm $1
    fi
}

# only fedora is up-to-date

command_exists() { type "$1" &>/dev/null; }

if command_exists "apt-get"; then
    sudo apt-get install kitty -y
    echo "Please install SchildiChat, nvim/neovim"
elif command_exists "dnf"; then
    # remove old zram stuff
    echo '' | sudo crontab -
    sudo_remove_file_if_exists /etc/modules-load.d/zram.conf
    sudo_remove_file_if_exists /etc/udev/rules.d/99-zram.rules
    sudo sed -i 's/\/dev\/zram0 none swap defaults,discard,pri=160 0 0//g' /etc/fstab

    sudo dnf install zram-generator -y
    # set up zram
    if [ -f /usr/lib/systemd/zram-generator.conf ]; then
        sudo rm /usr/lib/systemd/zram-generator.conf
    fi
    if ! [ -d /usr/local/lib/systemd ]; then
        sudo mkdir -p /usr/local/lib/systemd
    fi
    echo '[zram0]
zram-size = ram * 3' | sudo tee /usr/local/lib/systemd/zram-generator.conf
fi