class GdsApi::PerformancePlatform::DataOut

def page_views(slug, is_multipart)
  options = {
    slug: slug,
    transaction: "page-statistics",
    group_by: "pagePath",
    collect: "uniquePageviews:sum",
  }
  statistics(options, is_multipart)
end

def problem_reports(slug, is_multipart)
  options = {
    slug: slug,
    transaction: "page-contacts",
    group_by: "pagePath",
    collect: "total:sum",
  }
  statistics(options, is_multipart)
end

def search_terms(slug)
  options = {
    slug: slug,
    transaction: "search-terms",
    group_by: "searchKeyword",
    collect: "searchUniques:sum",
  }
  statistics(options)
end

def searches(slug, is_multipart)
  options = {
    slug: slug,
    transaction: "search-terms",
    group_by: "pagePath",
    collect: "searchUniques:sum",
  }
  statistics(options, is_multipart)
end

def service_feedback(transaction_page_slug)
  get_json("#{endpoint}/data/#{transaction_page_slug}/customer-satisfaction")
end

def statistics(options, is_multipart = false)
  params = {
    group_by: options[:group_by],
    collect: options[:collect],
    duration: 42,
    period: "day",
    end_at: Date.today.to_time.getutc.iso8601,
  }
  filter_param = is_multipart ? :filter_by_prefix : :filter_by
  params[filter_param] = "pagePath:" + options[:slug]
  get_json("#{endpoint}/data/govuk-info/#{options[:transaction]}#{query_string(params)}")
end