novel2pdf

#!/usr/bin/env ruby
require 'fileutils'
require 'digest/md5'
require 'tmpdir'

pwd = Dir.pwd

ARGV.dup.select{|x| x =~ /.azw3$/}.each{|book|
  puts "Convert #{book}"
  temp = Dir.mktmpdir
  FileUtils.cp book, temp
  FileUtils.cd temp

  book = Dir.glob("*.azw3").first
  
  system 'ebook-convert', book, "temp.epub"
  FileUtils.rm book
  system "unzip", "temp.epub"
  FileUtils.rm "temp.epub"

  Dir.glob("*.css").each{|css|
    content = open(css).read
    content.gsub!(/^.*writing-mode.*\n/, "")
    content.gsub(/{/, "{\nfont-family: \"ＭＳ Ｐ明朝\",\"MS PMincho\";")
    open(css, "w"){|f| f.puts content}
  }
  
  system "zip", 'temp.epub', *Dir.glob("**/*")

  system "ebook-convert", 'temp.epub', "#{pwd}/#{book.sub(/\.azw3$/, '.pdf')}"

  FileUtils.cd pwd
}