#!/usr/bin/env ruby

# == Imports ================================================================

require 'fileutils'
require 'optparse'

require_relative '../lib/configature'

# == Main ===================================================================

options = {
  verbose: false,
  quiet: false,
  config_dir: Configature.config_dir
}

program = OptionParser.new do |opts|
  opts.banner = "Usage: config [options]"

  opts.on('-q', '--quiet', 'Run quietly with no output') do
    options[:quiet] = true
  end
  opts.on('-v', '--[no-]verbose', 'Run verbosely') do |v|
    options[:verbose] = v
  end

  opts.on('-d', '--config-dir DIR', 'Configuration directory target') do |dir|
    options[:config_dir] = dir
  end
end

args = program.parse!

if (options[:verbose])
  puts 'Checking configuration directory %s' % options[:config_dir]
end

if (options[:quiet])
  $stdout = StringIO.new
end

case (arg = args.first)
when 'clean'
  Configature.configable_examples(options[:config_dir]) do |source, target|
    if (File.exist?(target))
      print "* %s: " % File.basename(target)
      File.unlink(target)
      puts "removed"
    end
  end
when nil
  Configature.configable_examples(options[:config_dir]) do |source, target|
    if (File.exist?(target))
      if (File.read(target).match(/__[A-Z\_]+__/))
        puts "* %s: present (requires configuration)" % File.basename(target)
      else
        puts "* %s: present" % File.basename(target)
      end
    else
      FileUtils.copy(source, target)
  
      if (File.read(target).match(/__[A-Z\_]+__/))
        puts "* %s: created (requires configuration)" % File.basename(target)
      else
        puts "* %s: created" % File.basename(target)
      end
    end
  end
else
  $stderr.puts("Unknown command #{arg.inspect}")
  exit(-1)
end