#!/bin/sh

# set for dryrun
#dryrun=

installed()
{
	type "$1" >/dev/null 2>&1
}

link()
{
	local src="$(pwd)/$1"
	local dst="$2"

	if test -e "$dst"; then
		if ! test -L "$dst"; then
			echo "File $dst exists and is no symlink."
			echo "Ignore and continue? (y/N)"
			read answer
			case $answer in
				[Yy]*)
					return
					;;
				*)
					exit 1
					;;
			esac
		else
			# symlink already exists and will be removed
			rm "$dst"
		fi
	fi

	if installed printf; then
		printf "%-48s -> %s\n" "$dst" "$src"
	else
		echo "Linking $dst -> $src"
	fi
	[ -z "${dryrun+x}" ] && ln -sf "$src" "$dst"
}


if installed vim; then
	echo "Setting up vim:"

	link vimrc ~/.vimrc
	#link vim ~/.vim

	echo
fi

if installed zsh; then
	echo "Setting up zsh:"

	link zshrc ~/.zshrc
	link zsh ~/.zsh

	echo
fi

if installed tmux; then
	echo "Setting up tmux:"

	link tmux.conf ~/.tmux.conf

	echo
fi

if installed git; then
	echo "Setting up git:"

	link gitconfig ~/.gitconfig

	echo
fi

if installed ssh; then
	echo "Setting up ssh:"

	mkdir -p ~/.ssh
	link ssh/config ~/.ssh/config

	echo
fi

if installed gpg || installed gpg2; then
	echo "Setting up gpg:"

	mkdir -p ~/.gnupg
	link gnupg/gpg-agent.conf ~/.gnupg/gpg-agent.conf
	link gnupg/gpg.conf ~/.gnupg/gpg.conf

	echo
fi

if installed X; then
	echo "Setting up X:"

	link xinitrc ~/.xinitrc
	link xsession ~/.xsession
	link Xresources ~/.Xresources

	echo
fi

if installed herbstluftwm; then
	echo "Setting up herbstluftwm:"

	mkdir -p ~/.config/herbstluftwm

	link config/herbstluftwm/autostart ~/.config/herbstluftwm/autostart
	link config/herbstluftwm/panel.sh ~/.config/herbstluftwm/panel.sh
	link config/herbstluftwm/q3terminal.sh ~/.config/herbstluftwm/q3terminal.sh

	link config/herbstluftwm/icons ~/.config/herbstluftwm/icons
	link config/herbstluftwm/icons_large ~/.config/herbstluftwm/icons_large

	# barpyrus
	mkdir -p ~/.config/barpyrus
	link config/barpyrus/config.py ~/.config/barpyrus/config.py

	echo
fi

if installed i3; then
	echo "Setting up i3:"

	mkdir -p ~/.config/i3
	link config/i3/config ~/.config/i3/config
	mkdir -p ~/.config/i3status
	link config/i3status/config ~/.config/i3status/config
fi

if installed redshift; then
	link config/redshift.conf ~/.config/redshift.conf
fi