#
# Author:: Christopher Webber (<cwebber@chef.io>)
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require_relative "../knife"

class Chef
  class Knife
    class SupermarketShow < Knife

      banner "knife supermarket show COOKBOOK [VERSION] (options)"
      category "supermarket"

      option :supermarket_site,
        short: "-m SUPERMARKET_SITE",
        long: "--supermarket-site SUPERMARKET_SITE",
        description: "The URL of the Supermarket site.",
        default: "https://supermarket.chef.io",
        proc: Proc.new { |supermarket| Chef::Config[:knife][:supermarket_site] = supermarket }

      def run
        output(format_for_display(get_cookbook_data))
      end

      def supermarket_uri
        "#{config[:supermarket_site]}/api/v1"
      end

      def get_cookbook_data
        case @name_args.length
        when 1
          noauth_rest.get("#{supermarket_uri}/cookbooks/#{@name_args[0]}")
        when 2
          noauth_rest.get("#{supermarket_uri}/cookbooks/#{@name_args[0]}/versions/#{name_args[1].tr(".", "_")}")
        end
      end

      def get_cookbook_list(items = 10, start = 0, cookbook_collection = {})
        cookbooks_url = "#{supermarket_uri}/cookbooks?items=#{items}&start=#{start}"
        cr = noauth_rest.get(cookbooks_url)
        cr["items"].each do |cookbook|
          cookbook_collection[cookbook["cookbook_name"]] = cookbook
        end
        new_start = start + cr["items"].length
        if new_start < cr["total"]
          get_cookbook_list(items, new_start, cookbook_collection)
        else
          cookbook_collection
        end
      end
    end
  end
end