#!/usr/bin/env ruby

require 'optparse'
require 'pastel'
require 'tty-spinner'
require 'sktl_to_liquid'

options = {}
optparse = OptionParser.new do |opts|
  opts.banner = "Usage: sktl_to_liquid --sktl directory/with/.sktl --liquid directory/to/output/.liquid"

  opts.on("-s", "--sktl SKTL", "Location of directory with SKTL files") do |v|
    options[:sktl] = v
  end

  opts.on("-l", "--liquid LIQUID", "Location of directory to output Liquid files") do |v|
    options[:liquid] = v
  end
end

begin
  optparse.parse!
  missing = [:sktl, :liquid].select{ |param| options[param].nil? }

  unless missing.empty?
    raise OptionParser::MissingArgument.new(missing.join(', '))
  end
rescue OptionParser::InvalidOption, OptionParser::MissingArgument
  puts $!.to_s
  puts optparse
  exit
end

pastel = Pastel.new

puts <<~TEXT
                                    @&
                             &&     &&&
                             &&     &&&
&&&&&&&&   #{pastel.green("%######%")}  &&&&&&  &&&&&& &&&&&&&&  &&&&&&&@  &&&&&&&  @&&&&&& @&&&&&&&
&&&   &&& #{pastel.green("##########")} &&&     &&     &&&   &&  &&    &&&      &&& &&&     &&&
&&&   &&& #{pastel.green("###    ###")} &&&     &&     &&&   &&& &&    &&& &&&&&&&&  &&&&&@   &&&&&@
&&&   &&& #{pastel.green("#  %##%  #")} &&&     &&     &&&   &&& &&    &&& &&   &&&      &&       &&
&&&   &&&   #{pastel.green("######")}   &&&     &&&&&& &&&   &&& &&&&&&&   &&&&&&&& &&&&&&& &&&&&&&&
                                              &&
                                              &&
TEXT

sktl_files = Dir.entries(options[:sktl]).select do |file_name|
  File.extname(file_name) == '.sktl'
end

sktl_files.each do |file_name|
  new_name = file_name.gsub('sktl', 'liquid')

  spinner = TTY::Spinner.new(
    "[:spinner] #{file_name} ---> #{new_name}",
    success_mark: pastel.green('✔'),
    error_mark: pastel.red('x')
  )
  spinner.auto_spin

  body = File.read("#{options[:sktl]}/#{file_name}")

  File.open("#{options[:liquid]}/#{new_name}", 'w') do |f|
    begin
      f.write SktlToLiquid::Converter.new(body).convert
    rescue StandardError => e
      spinner.error
      puts "-------------\n #{e} \n-------------"
      next
    end
  end

  spinner.success
end