#!/usr/bin/env bash
#   ____  ____  ____   _   _
#  / ___|| __ )/ ___| | | | |
# | |    |  _ \\___ \ | |_| |
# | |___ | |_) |___) ||  _  |
#  \____||____/|____/ |_| |_|
#
# NAME: CBSH -- ARCH
# DESC: An installation and deployment script that installs Cabooshy's Desktop on Arch Linux and Arch based Distro's
# WARNING: Run this script at your own risk.
# DEPENDENCIES: dialog

if [ "$(id -u)" = 0 ]; then
    echo "#######################################################################"
    echo "This script MUST NOT be run as root user since it makes changes to the"
    echo "\$HOME directory of the \$USER executing this script. We dont want"
    echo "those to be 'root' and '/root',We don't want to mess around in there"
    echo "and potentially break something, So run this script as a normal user."
    echo "You will be asked for a sudo password when necessary."
    echo "######################################################################"
    exit 1
fi

err() { \
    clear; printf "ERR:\\n%s\\n" "$1" >&2; exit 1;
}

echo "##########################################################################"
echo "###### Syncing the Repos and installing 'dialog' if not installed ######"
echo "########################################################################"
sudo pacman --noconfirm --needed -Syu dialog || error "Error syncing the repos."

echo "###################################################"
echo "###### install yay and Sync the AUR As Well. ######"
echo "###################################################"
if [!"command -v yay"]; then
    sudo pacman -S --needed git base-devel
    git clone https://aur.archlinux.org/yay-bin.git
    cd yay-bin
    makepkg -si
    yay -Syu
else
    yay -Syu
fi

welcome () { \
dialog --colors --title "\Z7\ZbInstalling CBSH!" --msgbox "\Z4This Postinstall Script will install my Qtile Desktop as well as Doom Emacs, Zsh with the Starship Prompt, the Kitty Shell and some other essential programs to make my dotfiles and programs work.\\n\\n-Cabooshy" 16 60

dialog --colors --title "\Z7\ZbStay Near your PC!" --yes-label "Continue" --no-label "Exit" --yesno "\Z4This script cannot be run as root, but when needed you will be asked for your sudo password during the installation. This will give PACMAN the necessary permissions to install the software needed. So stay near the computer" 10 60
}
welcome || err "User choose to exit."

addrepos() { \
    echo "####################################################"
    echo "## Adding the CBSH repository to /etc/pacman.conf ##"
    echo "####################################################"
    grep -qxF "[cbsh-arch-repo]" /etc/pacman.conf ||
        (echo "[cbsh-arch-repo]"; echo "SigLevel = Required DatabaseOptional"; \
         echo "Server = https://gitlab.com/cabooshyy/\$repo/-/raw/main/\$arch") | sudo tee -a /etc/pacman.conf
}
addrepos || err "Error adding the Repo to /etc/pacman.conf."

addkeyservers() { \
    echo "#######################################################"
    echo "## Adding Keyservers to /etc/pacman.d/gnupg/gpg.conf ##"
    echo "#######################################################"
    grep -qxF "keyserver.ubuntu.com:80" /etc/pacman.d/gnupg/gpg.conf || echo "keyserver hkp://keyserver.ubuntu.com:80" | sudo tee -a /etc/pacman.d/gnupg/gpg.conf
    grep -qxF "keyserver.ubuntu.com:443" /etc/pacman.d/gnupg/gpg.conf || echo "keyserver hkps://keyserver.ubuntu.com:443" | sudo tee -a /etc/pacman.d/gnupg/gpg.conf
}
addkeyservers || err "Error adding the Keyservers to /etc/pacman.d/gnupg/gpg.conf"

# Let's install all of the packages listed in the pkglist.txt file.
sudo pacman --needed --ask 4 -Sy - < pkglist.txt

echo "#########################################################"
echo "## Copying the config files from /etc/cbsh into \$HOME ##"
echo "#########################################################"
[ ! -d /etc/cbsh ] && sudo mkdir /etc/cbsh
[ -d /etc/cbsh ] && mkdir ~/cbsh-backup-$(date +%Y.%m.%d-%H%M) && cp -Rf /etc/cbsh ~/cbsh-backup-$(date +%Y.%m.%d-%H%M)
[ ! -d ~/.config ] && mkdir ~/.config
[ -d ~/.config ] && mkdir ~/.config-$(date +%Y.%m.%d-%H%M) && cp -Rf ~/.config ~/.config-backup-$(date +%Y.%m.%d-%H%M)
cd /etc/dtos && sudo mv -r .config/qtile/qtile .config/qtile && cp -Rf . ~ && cd -

# Change all scipts in .local/bin to be executable.
find $HOME/.local/bin -type f -print0 | xargs -0 chmod 775

echo "#########################################################"
echo "## Installing Doom Emacs. This may take a few minutes. ##"
echo "#########################################################"
[ -d ~/.emacs.d ] && mv ~/.emacs.d ~/.emacs.d.bak.$(date +"%Y%m%d_%H%M%S")
[ -f ~/.emacs ] && mv ~/.emacs ~/.emacs.bak.$(date +"%Y%m%d_%H%M%S")
git clone --depth 1 https://github.com/hlissner/doom-emacs ~/.emacs.d
~/.emacs.d/bin/doom install
~/.emacs.d/bin/doom sync

PS3='Set default USER shell (enter number): '
shells=("fish" "zsh" "bash" "quit")
select choice in "${shells[@]}"; do
    case $choice in
        fish | bash | zsh)
            sudo chsh $USER -s "/bin/$choice" && \
            echo -e "$choice has been set as the default USER shell for your account. \
                    \nLogging out is required for this to take effect."
            break
            ;;
        quit)
            echo "User quit without changing their shell."
            break
            ;;
        *)
           echo "invalid option $REPLY"
           ;;
        esac
    done

echo "###########################################"
echo "## CBSH has been installed successfully! ##"
echo "###########################################"

while true; do
    read -p "Do you want to reboot to get into your installation of CBSH? [Y/n]" yn
    case $yn in
        [Yy]* ) reboot;;
        [Nn]* ) break;;
        "" ) reboot;;
        * ) echo "Please answer yes or no.";;
        esac
    done