fletcher

#!/usr/bin/env ruby

require 'rubygems'
require 'commander/import'
require 'yaml'
require File.expand_path("../../lib/fletcher", __FILE__)
#require 'commander-foo'

program :version, Fletcher.version #Commander-foo::VERSION
program :description, 'A cross-website product information fetcher'
program :help, 'Author', 'Dave Hulihan <dhulihan@gmail.com>'
#default_command :fetch
 
command :fetch do |c|
  c.syntax = 'fletcher fetch [URL]'
  c.summary = 'Fetch product information'
  c.description = ''
  c.example 'Fetch an amazon product', 'fletcher "http://www.example.com/product-id"'
  #c.option '--format [yaml|json]', String, 'The format of the product details'
  #c.option '--timeout SECONDS', Integer, 'Timeout in seconds'
  c.option '--only [name|description|price|image]', String, 'Fetch a single attribute from the product.'
  c.action do |args, options|
    # Do something or c.when_called Commander-foo::Commands::Hello
    options.default :format => :yaml

    url = args.first
    if url
      product = Fletcher.fetch url

      # Prep output
      output_hash = Hash.new
      output_hash["name"] = product.name
      output_hash["description"] = product.description if product.description
      output_hash["price"] = product.price.format if product.price
      if product.image
        output_hash["image"] = {
          "src" => product.image.src
        }
      end 
      output_hash["url"] = product.url

      # Get single attribute
      if options.only
        case options.only
        when "image"
          value = output_hash["image"]["src"]
        else
          value = output_hash[options.only]
        end 
        value ? say(value.to_s) : say("Unknown attribute: #{options.only}")
      else 
        say output_hash.to_yaml
      end
    else 
      puts c.syntax
    end 
  end
end

command :websites do |c|
  c.syntax = 'fletcher websites'
  c.summary = 'Get a list of supported websites'
  c.action do |args, options|
    say "Supported Websites:"
    for model in Fletcher.models.sort
      say "\t#{model.to_s.capitalize}"
    end 
  end
end