module GdsApi::TestHelpers::Panopticon

def panopticon_has_metadata(metadata)
  metadata = stringify_hash_keys(metadata)
  json = JSON.dump(metadata)
  urls = []
  urls << "#{PANOPTICON_ENDPOINT}/artefacts/#{metadata['id']}.json" if metadata['id']
  urls << "#{PANOPTICON_ENDPOINT}/artefacts/#{metadata['slug']}.json" if metadata['slug']
  urls.each { |url| stub_request(:get, url).to_return(:status => 200, :body => json, :headers => {}) }
  return urls.first
end

def panopticon_has_no_metadata_for(slug)
  url = "#{PANOPTICON_ENDPOINT}/artefacts/#{slug}.json"
  stub_request(:get, url).to_return(:status => 404, :body => "", :headers => {})
end

def stringify_hash_keys(input_hash)
  input_hash.inject({}) do |options, (key, value)|
    options[key.to_s] = value
    options
  end
end

def stub_panopticon_default_artefact
  stub_request(:get, %r{\A#{PANOPTICON_ENDPOINT}/artefacts}).to_return { |request|
    # return a response with only a slug, and set that slug to match the requested artefact slug
    {:body => JSON.dump("slug" => request.uri.path.split('/').last.chomp('.json'))}
  }
end