#!/bin/bash

if [ $# -ne 2 ]; then
	echo "wrong argument count"
fi

# Set variables
homedir="$1"
dotfilesdir="$2"

# Change directory to home dir
cd "$homedir"

# Define a function that create a link unless it already exists
makelink() {
	test $# -eq 2 || { echo "makelink: invalid function call"; exit 1; }

	if [ ! -e "$1" ]; then
		echo "can't create link '$2': target '$1' does not exist"
		return
	fi

	if [ ! -e "$2" ]; then
		# Create link
		ln -sr "$1" "$2"
	elif [ ! -L "$2" ]; then
		# A file with the same name exists and it's not a link
		# -> warn user!
		echo "can't create link '$2': file already exists"
	fi
}

makelink_simple() {
	test $# -eq 1 || { echo "makelink_simple: invalid function call"; exit 1; }

	makelink "$dotfilesdir/$1" "$1"
}

# -- CREATE THE LINKS HERE --

# ~/bin
makelink "$dotfiles/bin/" bin

# bash, profile, etc.
makelink_simple .profile
makelink_simple .bashrc
makelink_simple .bash_profile
makelink_simple .bash_logout

# vim
makelink_simple .vimrc
makelink_simple .gvimrc