module Gitlab::Prometheus::Queries
  class DeploymentQuery < BaseQuery
    def query(deployment_id)
      deployment = Deployment.find_by(id: deployment_id)
      environment_slug = deployment.environment.slug

      memory_query = raw_memory_usage_query(environment_slug)
      memory_avg_query = %{avg(avg_over_time(container_memory_usage_bytes{container_name!="POD",environment="#{environment_slug}"}[30m]))}
      cpu_query = raw_cpu_usage_query(environment_slug)
      cpu_avg_query = %{avg(rate(container_cpu_usage_seconds_total{container_name!="POD",environment="#{environment_slug}"}[30m])) * 100}

      timeframe_start = (deployment.created_at - 30.minutes).to_f
      timeframe_end = (deployment.created_at + 30.minutes).to_f

      {
        memory_values: client_query_range(memory_query, start: timeframe_start, stop: timeframe_end),
        memory_before: client_query(memory_avg_query, time: deployment.created_at.to_f),
        memory_after: client_query(memory_avg_query, time: timeframe_end),

        cpu_values: client_query_range(cpu_query, start: timeframe_start, stop: timeframe_end),
        cpu_before: client_query(cpu_avg_query, time: deployment.created_at.to_f),
        cpu_after: client_query(cpu_avg_query, time: timeframe_end)
      }
    end
  end
end
