require 'aws-sdk'

module Vman
  class S3

    def initialize(bucket_uri)
      @bucket ||= Aws::S3::Resource.new.bucket(bucket_uri[5..-1])
    end

    def list
      @bucket.objects
    end

    def find(key)
      @bucket.objects({ prefix: key })
    end

    def store(file_path, key)
      @bucket.put_object({
        body: File.open(file_path),
        key: key
      })
    end

    # TODO custom, more descriptive error class
    def versions(key)
      _versions = @bucket.object_versions({ prefix: key })

      if _versions.count == 0
        raise "No object exists for supplied key: #{key}"
      end

      _versions
    end

  end
end