#!/bin/bash
# @author Kevin Veen-Birkenbach
# shellcheck source=/dev/null # Deactivate SC1090
source "$(dirname "$(readlink -f "${0}")")/../base.sh" || (echo "Loading base.sh failed." && exit 1)

SYSTEM_MEMORY_KB="$(grep MemTotal /proc/meminfo | awk '{print $2}')"
info "Start setup of customized core software..."

info "Copying templates to home folder..." &&
cp -rfv "$TEMPLATE_PATH/." "$HOME" || error "Copy templates failed."

info "Update packages..." &&
sudo pacman -Syyu || error "Package syncronisation failed."

info "Synchronizing pacman packages..." &&
get_packages "general" "client/pacman/general" "client/pacman/games" | sudo pacman -S --needed - || error "Syncronisation failed."

info "Synchronizing yay packages..."
for package in $(get_packages "client/yay/general"); do
	if [ "$(pacman -Qi $package 2> /dev/null)" ]; then
		info "Package \"$package\" is allready installed. Skipped installation."
	else
		info "Install package \"$package\" with yay..."
		get_packages "client/yay/general" | yay -S "package"
	fi
done

FSTAB_SWAP_ENTRY="/swapfile none swap defaults 0 0"
SWAP_FILE="/swapfile"
FSTAB_FILE="/etc/fstab"
if grep -q "$FSTAB_SWAP_ENTRY" "$FSTAB_FILE"; then
	info "Skipping creation of swap partion because entry allready exists in \"$FSTAB_FILE\"!"
else
	info "Creating swap partition..." &&
	sudo fallocate -l 16G "$SWAP_FILE" &&
	sudo chmod 600 "$SWAP_FILE" &&
	sudo mkswap "$SWAP_FILE" &&
	sudo swapon "$SWAP_FILE" &&
	sudo sh -c "echo \"$FSTAB_SWAP_ENTRY\">>\"$FSTAB_FILE\"" || error "Creation of swap partition failed."
fi

info "Setup SSH key..."
ssh_key_path="$HOME/.ssh/id_rsa"
if [ ! -f "$ssh_key_path" ]; then
	info "SSH key $ssh_key_path doesn't exists!"
	if [ ! -f "./data$ssh_key_path" ]; then
		info "Importing ssh key by copying data..." &&
		bash "$SCRIPT_PATH""/data/export-to-system.sh" || error "Copying failed."
	else
		info "Generating ssh key..." &&
		ssh-keygen -t rsa -b 4096 -C "$USER@$HOSTNAME" || error "Key generation failed."
	fi
fi

info "Installing nonfree drivers..." &&
sudo mhwd -a pci nonfree 0300 || error "Failed."

info "Setup, configuration and installation of dependencies for installed software..."

if pacman -Qi "arduino" > /dev/null ; then
	info "Configurate system for arduino..." &&
	sudo usermod -a -G uucp "$USER" &&
	sudo usermod -a -G lock "$USER" || error "Couldn't add \"$USER\" to the relevant groups."
fi

if pacman -Qi "atom" > /dev/null ; then
	info "Installing atom packages..." &&
	get_packages "client/apm/general" | apm install --verbose -c - &&
	info "Installing software which is required by atom..." &&
	sudo npm i -g bash-language-server &&
	python -m pip install 'python-language-server[all]' || error "Failed."
fi

if pacman -Qi "docker" > /dev/null ; then
	info "Setting up docker..." &&
	info "Add current user \"$USER\" to user group docker..." &&
	sudo usermod -a -G docker "$USER" &&
	info "Enable docker service..." &&
	sudo systemctl enable docker --now || error "Failed."
fi

if pacman -Qi "docker" > /dev/null ; then
	info "Setting up virtualbox..." &&
	pamac install virtualbox $(pacman -Qsq "^linux" | grep "^linux[0-9]*[-rt]*$" | awk '{print $1"-virtualbox-host-modules"}' ORS=' ') &&
	sudo vboxreload &&
	pamac build virtualbox-ext-oracle &&
	sudo gpasswd -a "$USER" vboxusers || error "Failed."
	info "Keep in mind to install the guest additions in the virtualized system. See https://wiki.manjaro.org/index.php?title=VirtualBox"
fi

if [ "$XDG_SESSION_TYPE" == "x11" ]; then
	info "Synchronizing xserver tools..." &&
	sudo pacman --needed -S xbindkeys &&
	info "Setting up key bindings..." &&
	echo "" >> "$HOME/.xbindkeysrc" &&
	echo "\"gnome-terminal -e '/bin/bash $SCRIPT_PATH/import-data-from-system.sh'\"" >> "$HOME/.xbindkeysrc" &&
	echo "  control+alt+s" >> "$HOME/.xbindkeysrc" &&
	xbindkeys --poll-rc || error "Failed."
fi

if [ "$DESKTOP_SESSION" == "gnome" ]; then
	info "Synchronizing gnome tools..." &&
	sudo pacman --needed -S gnome-shell-extensions gnome-terminal &&
	info "Setting up gnome dash favourites..." &&
	gsettings set org.gnome.shell favorite-apps "['org.gnome.Nautilus.desktop',
	'org.gnome.Terminal.desktop',
	'org.keepassxc.KeePassXC.desktop',
	'firefox.desktop',
	'chromium.desktop',
	'atom.desktop',
	'arduino.desktop',
	'eclipse.desktop',
	'vlc.desktop',
	'gimp.desktop',
	'blender.desktop',
	'rhythmbox.desktop',
	'org.gnome.Screenshot.desktop']" &&
	info "Install GNOME extensions..." &&
	info "Install \"NASA picture of the day\"..." &&
	git clone https://github.com/Elinvention/gnome-shell-extension-nasa-apod.git "$HOME/.local/share/gnome-shell/extensions/nasa_apod@elinvention.ovh" &&
	gnome-extensions enable nasa_apod@elinvention.ovh &&
	info "Install \"Open Weather\"..." &&
	git clone https://gitlab.com/jenslody/gnome-shell-extension-openweather "$HOME/.local/share/gnome-shell/extensions/openweather-extension@jenslody.de" &&
	gnome-extensions enable openweather-extension@jenslody.de &&
	info "Install \"Dash to Panel\"..." &&
	git clone https://github.com/home-sweet-gnome/dash-to-panel "$HOME/.local/share/gnome-shell/extensions/openweather-extension@dash-to-panel@jderose9.github.com" &&
	gnome-extensions enable dash-to-panel@jderose9.github.com &&
	info "Deaktivating \"Dash to Dock\"" &&
	gnome-extensions disable dash-to-dock@micxgx.gmail.com || error "Failed."
fi

info "Removing all software from user startup..." &&
rm ~/.config/autostart/* || error "Removing startup software failed."

success "Setup finished successfully :)" && exit 0