epub_meta

#!/usr/bin/env ruby
# frozen_string_literal: true

# Script takes a list of EPUBs and displays its
# metadata.

require 'optparse'
require 'ostruct'
require 'os'

# Determine the root directory of the code base.
script_dir = File.expand_path(File.dirname(__FILE__))
root_dir = File.dirname(script_dir)

require_relative File.join(root_dir, "lib", "logger")

script_logger = UMPTG::Logger.create(logger_fp: STDOUT)

# Process the script parameters.
options = OpenStruct.new
options.fulcrum_host = nil
option_parser = OptionParser.new do |opts|
  opts.banner = "Usage: #{File.basename(__FILE__)} [-f production|preview|staging] epub_file [epub_file...]"
  opts.on('-f', '--fulcrum_host host', 'Fulcrum environment') do |fulcrum_host|
    options.fulcrum_host = fulcrum_host
  end
  opts.on_tail('-h', '--help', 'Print this help message') do
    script_logger.info(opts)
    exit 0
  end
end
option_parser.parse!(ARGV)
if ARGV.count < 1
  script_logger.info(option_parser.help)
  return
end
epub_file_list = ARGV

require_relative File.join(root_dir, 'lib', 'fulcrum')

# Create the serivce for retrieving the manifest.
service = UMPTG::Services::Heliotrope.new(
                :fulcrum_host => options.fulcrum_host
              )

# Travese the list of EPUB files to update.
epub_file_list.each do |epub_file|
  epub_file = File.expand_path(epub_file)
  unless File.exist?(epub_file)
    script_logger.error("invalid EPUB file path #{epub_file}.")
    next
  end
  script_logger.info("*** processing #{File.basename(epub_file)} ***")

  epub = UMPTG::EPUB::Archive.new(epub_file: epub_file)
  epub.metadata.each {|k,v| script_logger.info("#{k}:#{v}") }
=begin
  src = epub.metadata['source']
  result = service.monograph_export(identifier: src)
  result.each do |id,mlist|
    mlist.each do |m|
      manifest = UMPTG::Fulcrum::Manifest::Document.new(
                    csv_body: m
                  )
      script_logger.info("press:#{manifest.monograph_row['press']}")
    end
  end
=end
  STDOUT.flush
end