#!/bin/ruby

# Copyright (c) 2026 Alexander Hill

# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.

# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.

require "liquid"
require "psych"

# TODO: Tie these variables to command line arguments. ~ahill
$config = Psych.safe_load_file "/etc/maple.yml"
$sysroot = "/"
$templates = "/usr/share/mapleconf"

def render_directory(stack)
  path = stack.empty? ? "/" : "/#{stack.join "/"}/"

  Dir.foreach $templates + path do |entry|
    next if entry =~ /^\.+$/
    fullpath = path + entry

    if File.directory? $templates + fullpath
      Dir.mkdir $sysroot + fullpath unless File.exist? $sysroot + fullpath
      render_directory stack + [entry]

    elsif File.file? $templates + fullpath
      puts fullpath
      template = Liquid::Template.parse(File.read $templates + fullpath)
      File.write $sysroot + fullpath, template.render($config)

    else
      puts "What even is #{fullpath}? If you know, yell at Alex."

    end
  end
end

render_directory []