# これはnot(のとや)さん作 amazon4.rb が機能することを前提にしたスクリプトです。
require 'amazon4.rb'

#
#
module Amazon

# amazon4.rbで定義されている Item class を拡張
#
  class Item

    def to_bibtex
      return '' if text('//ProductGroup').empty?
      case text('//ProductGroup')[0]
      when 'Book'
        to_bibtex_book
#      when 'CE'
#        to_bibtex_ce
#      when 'Kitchen'
#        to_bibtex_kitchen
#      when 'Music'
#        to_bibtex_music
#      when 'DVD', 'Video'
#        to_bibtex_dvd
#      when 'Software'
#        to_bibtex_software
#      when 'Video Games'
#        to_bibtex_videogames
#      when 'Toy'
#        to_bibtex_toy
      else
        to_bibtex_base
      end
    end

    private
    def to_bibtex_base()
      "bibtex base"
    end

##
#   本のデータをbibtex 形式にして出力。
#   他の形式のデータの処理は不明。
#
#   Title ::           #{text('//Title')}
#   Publisher ::       #{text('//Publisher')}
#   Author ::          #{author}
#   Binding ::         #{text('//Binding')}
#   Price ::           #{text('//OfferSummary/LowestNewPrice/FormattedPrice')}
#   PublicationDate :: #{text('//PublicationDate')}
#   ISBN ::            #{hyphened_isbn(text('//ASIN')[0])}
#   raw-ISBN ::        #{text('//ASIN')[0]}
#
    def to_bibtex_book
      author = page = ''
      t = text('//Creator', 'Role')
      if t.size.nonzero? then
        author = t.join(', ') 
      end
      t = text('//NumberOfPages')
      if t.size.nonzero? then
        page ="#{t}ページ / "
      end
      "\@Book{,
author = \{\{#{author}\}\},
title = \{\{ #{text('//Title')} \}\},
publsher = \{\{ #{text('//Publisher')} \}\},
year = \{ #{text('//PublicationDate')} \},
annote = \{ \},
ISBN = \{ #{text('//ASIN')[0]} \}
}"
    end
  end
end



aws = Amazon::WebService::new
list = aws.itemsearch({'Author'=>CGI::escape(ARGV[0].toutf8), 'SearchIndex'=>"Books"})
list.each{ |item|
  puts item.to_bibtex
}