module Pdfh

# File lib/pdfh.rb, line 102
def config_file_name
  File.basename($PROGRAM_NAME)
end

# File lib/pdfh.rb, line 45
def console_size
  `stty size`.split.map(&:to_i)
end

# File lib/pdfh.rb, line 107
def create_settings_file
  full_path = File.join(File.expand_path("~"), "#{config_file_name}.yml")
  return if File.exist?(full_path) # double check

  File.open(full_path, "w") do |f|
    f.write Pdfh::SETTINGS_TEMPLATE.to_yaml
  end
  puts "Settings #{full_path.inspect.colorize(:green)} was created."
end

# File lib/pdfh.rb, line 38
def dry?
  @dry
end

# File lib/pdfh.rb, line 71
def error_print(message, exit_app: true)
  puts "Error, #{message}".colorize(:red)
  exit 1 if exit_app
end

# File lib/pdfh.rb, line 54
def headline(msg)
  _, cols = console_size
  line_length = cols - (msg.size + 5)
  left  = "\033[31m#{"—" * 3}\033[0m"
  right = "\033[31m#{"—" * line_length}\033[0m"
  puts "\n#{left} \033[1;34m#{msg}\033[0m #{right}"
end

# File lib/pdfh.rb, line 83
def ident_print(field, value, color: :green, width: 3)
  field_str = field.to_s.rjust(width)
  value_str = value.colorize(color)
  puts "#{" " * 4}#{field_str}: #{value_str}"
end

# File lib/pdfh.rb, line 90
def parse_argv
  options = {}
  OPT_PARSER.parse!(into: options)
  options[:files] = ARGV if ARGV.any?
  options.transform_keys { |key| key.to_s.tr("-", "_").to_sym }
rescue OptionParser::InvalidOption => e
  error_print e.message, exit_app: false
  puts OPT_PARSER.help
  exit 1
end

# File lib/pdfh.rb, line 119
def search_config_file
  names_to_look = %W[#{config_file_name}.yml #{config_file_name}.yaml]
  dir_order = [Dir.pwd, File.expand_path("~")]

  dir_order.each do |dir|
    names_to_look.each do |file|
      path = File.join(dir, file)
      return path if File.exist?(path)
    end
  end

  raise SettingsIOError, "no configuration file (#{names_to_look.join(" or ")}) was found\n"\
                           "       within paths: #{dir_order.join(", ")}"
end

# File lib/pdfh.rb, line 33
def verbose?
  @verbose
end

# File lib/pdfh.rb, line 64
def verbose_print(msg = nil)
  puts msg.to_s.colorize(:cyan) if verbose?
end

# File lib/pdfh.rb, line 78
def warn_print(message)
  puts message.colorize(:yellow)
end