#!/usr/bin/env ruby

require 'tmpdir'
require 'fileutils'

dir = Dir.tmpdir()

if File.directory?("#{dir}/bulma")
  FileUtils.remove_dir("#{dir}/bulma")
end

system "bash", "-c", "git clone https://github.com/jgthms/bulma.git #{dir}/bulma  >> /dev/null"
unless $?.exitstatus == 0
  puts "Cannot clone Bulma repo. Is git installed?"
end

FileUtils.mv("#{dir}/bulma/bulma.sass", "#{dir}/bulma/sass/bulma.sass")
Dir.chdir "#{dir}/bulma/sass"

system "bash", "-c", "sass-convert -R --from sass --to scss .  >> /dev/null"
unless $?.exitstatus == 0
  puts "Cannot execute sass-convert. Is it installed and in path?"
end

system "bash", "-c", "rm -rf */*.sass >> /dev/null"
system "bash", "-c", "rm -rf bulma.sass >> /dev/null"

import_files = ['bulma.scss', 'base/_all.scss', 'components/_all.scss', 'elements/_all.scss', 'form/_all.scss', 'grid/_all.scss', 'helpers/_all.scss', 'layout/_all.scss', 'utilities/_all.scss']

import_files.each do |import_file|
  lines = []
  File.readlines(import_file).each do |line|
    next if line.include?('@charset "utf-8";')
    next if line.strip().empty?

    line = line.gsub('.sass', '')
    line = line.gsub('sass/', '')

    lines << line
  end

  File.open(import_file, "w") do |file|
    file.puts lines.join()
  end
end

Dir.glob('*/*.scss').each do |scss_file|
  next if scss_file.include?('_')
  FileUtils.mv(scss_file, scss_file.gsub('/', '/_'))
end

puts "Bulma has been converted to scss. The files are available in #{dir}/bulma/sass"