#!/bin/bash

cd "$( dirname "${BASH_SOURCE[0]}" )" || exit 1

commandAvailable() {
	command -v "$1" >/dev/null
}

installIfAvailable() {
	if [ $# -lt 1 ]; then
		echo "Usage: $0 command_required [package_name]" >&2
		return 1
	fi

	COMMAND=$1
	if [ $# -eq 2 ]; then
		PACKAGE=$2
	else
		PACKAGE=$COMMAND
	fi

	if commandAvailable "$COMMAND"; then
		echo "Installing configuration files for $PACKAGE…"
		stow -t "$HOME" "$PACKAGE"
	fi
}

if ! commandAvailable stow; then
	echo "Error: stow not available. Skipping installation." >&2
	exit 1
fi

echo -n "Downloading dependencies... "

git submodule update --init &> /dev/null \
	|| (echo "Failed."; echo "Submodule installation failed."; exit 3)

echo "done."

if commandAvailable vim; then
	echo "Creating vim directories"
	mkdir -p "$HOME/.cache/vim/"{backup,swap,undo}
fi

installIfAvailable vim
installIfAvailable zsh
installIfAvailable sqlite3 sqlite
installIfAvailable tmux
installIfAvailable systemctl systemd
installIfAvailable pacman
installIfAvailable git
installIfAvailable latexmk
installIfAvailable ruby
installIfAvailable npm
installIfAvailable python
installIfAvailable Xorg
installIfAvailable awesome

if commandAvailable weechat; then
	echo "Setting up weechat settings…"
	./weechat.sh
fi

if commandAvailable gsettings; then
	echo "Installing gsettings preferences…"
	./gsettings.sh
fi

echo "Installation finished."