#!/usr/bin/env ruby
require 'rubygems'
require 'amazon/aws'
require 'amazon/aws/search'
require 'optparse'

include Amazon::AWS
include Amazon::AWS::Search

options = {}
OptionParser.new do |opts|
  opts.banner = "Usage: aws-quicksearch.rb [options]"

  opts.on("-t", "--title [TITLE]", "Search for title match") do |t|
    options[:Title] = t
  end
  opts.on("-a", "--author [AUTHOR]", "Search for author match") do |a|
    options[:Author] = a
  end
  opts.on("-n", "--max-items [MAX]", "Set max results") do |m|
    options[:max] = m.to_i
  end
end.parse!

exit 1 unless (options[:Title] || options[:Author])

is = ItemSearch.new( :Books, {
                       :MerchantId => 'Amazon',
                       :Sort => 'salesrank'
                     }.merge(options.reject { |k,v| k == :max }))

rg = ResponseGroup.new( 'Small' )

req = Request.new
resp = req.search( is, rg )

items = resp.item_search_response[0].items.item

items.each_with_index do |item, idx|
  break if options[:max] && idx + 1 > options[:max]

  attributes = item.item_attributes[0]
  puts "Title: #{attributes.title}"
  puts "Author: #{attributes.author.join(', ')}" if attributes.author
  puts "Publisher: #{attributes.manufacturer}"
  puts "ASIN: #{item.asin}"
  puts "URL: #{item.detail_page_url}"
  puts "-" * 20
end