require 'builder'
require 'time'

module Shuck
  class XmlAdapter
    def self.buckets(bucket_objects)
      output = ""
      xml = Builder::XmlMarkup.new(:target => output)
      xml.instruct! :xml, :version=>"1.0", :encoding=>"UTF-8"
      xml.ListAllMyBucketsResult(:xmlns => "http://s3.amazonaws.com/doc/2006-03-01/") { |lam|
        lam.Owner { |owner|
          owner.ID("123")
          owner.DisplayName("Shuck")
        }
        lam.Buckets { |buckets|
          bucket_objects.each do |bucket|
            buckets.Bucket do |b|
              b.Name(bucket.name)
              b.CreationDate(bucket.creation_date.strftime("%Y-%m-%dT%H:%M:%S.000Z"))
            end
          end
        }
      }
      output
    end

    # <?xml version="1.0" encoding="UTF-8"?>
    #<Error>
    #  <Code>NoSuchKey</Code>
    #  <Message>The resource you requested does not exist</Message>
    #  <Resource>/mybucket/myfoto.jpg</Resource> 
    #  <RequestId>4442587FB7D0A2F9</RequestId>
    #</Error> 
    def self.error_no_such_bucket(name)
      output = ""
      xml = Builder::XmlMarkup.new(:target => output)
      xml.instruct! :xml, :version=>"1.0", :encoding=>"UTF-8"
      xml.Error { |err|
        err.Code("NoSuchBucket")
        err.Message("The resource you requested does not exist")
        err.Resource(name)
        err.RequestId(1)
      }
      output
    end

    def self.bucket(bucket)
      output = ""
      xml = Builder::XmlMarkup.new(:target => output)
      xml.instruct! :xml, :version=>"1.0", :encoding=>"UTF-8"
      xml.ListBucketResult(:xmlns => "http://s3.amazonaws.com/doc/2006-03-01/") { |lbr|
        lbr.Name(bucket.name)
        lbr.Prefix
        lbr.Marker
        lbr.MaxKeys("1000")
        lbr.IsTruncated("false")
      }
      output
    end

  end
end