require 'rubygems'
require 'csv'
require 'mechanize'

def get_price(price_string)
  price_string.gsub(',','').to_i
end

arr_of_arrs = CSV.read(File.join(File.dirname(__FILE__), "assets/pricelist.csv"))
header = arr_of_arrs.shift
reference_index = header.index("Reference")
retail_price_index = header.index("Retail")
wholesale_price_index = header.index("Wholesale")

a = Mechanize.new

# for each reference in the pricelist, update the price in the catalog
arr_of_arrs.each do |array|
  reference = array[reference_index]
  retail_price = get_price(array[retail_price_index])
  wholesale_price = get_price(array[wholesale_price_index])
  
  a.get('http://localhost:3000/catalog_items?show=all') do |catalog_items_index|
    edit_link = catalog_items_index.parser.xpath("//span[text()='#{reference}']/../p/a[text()='Edit']")
    if edit_link.size > 0
      puts "Updating prices for reference #{reference}."
      # go to the edit page for that reference
      edit_link = edit_link.first
      edit_catalog_item_page = a.click(edit_link)
      
      edit_catalog_item_page.form_with(:method => 'POST') do |f|
        f.field_with(:id => 'catalog_item_retail_price').value = retail_price
        f.field_with(:id => 'catalog_item_wholesale_price').value = wholesale_price
      end.submit
    else
      puts "Couldn't find reference #{reference} in system."
    end
  end
end