defmodule <%= application_name %>Web.Jobs.JobsController do
  use <%= application_name %>Web, :controller

  alias Bildad.Job.Jobs
  alias Bildad.Job.JobConfig
  alias Bildad.Job.JobEngine

  require Logger

  def get_repo() do
    <%= application_name %>.Repo
  end

  def run_job_engine(conn, _params) do
    expire_resp_data =
      get_repo()
      |> JobConfig.new()
      |> do_expire_jobs()
      |> get_counts()

    start_resp_data =
      get_repo()
      |> JobConfig.new()
      |> do_start_jobs()
      |> get_counts()

    engine_resp_data =
      %{
        start: start_resp_data,
        # timeout: timeout_resp_data,
        expire: expire_resp_data
      }

    put_json(conn, engine_resp_data)
  end

  defp put_json(conn, resp_data) do
    conn
    |> put_resp_content_type("application/json")
    |> send_resp(200, Jason.encode!(resp_data))
  end

  defp get_counts(jobs) do
    ok_count =
      Enum.count(jobs, fn
        {:ok, _} -> true
        _ -> false
      end)

    error_count =
      Enum.count(jobs, fn
        {:error, _} -> true
        _ -> false
      end)

    %{ok_count: ok_count, error_count: error_count}
  end

  defp do_start_jobs(job_config) do
    job_config
    |> Jobs.list_jobs_to_run_in_the_queue()
    |> Enum.map(fn job_in_the_queue ->
      try do
        JobEngine.run_a_job(job_config, job_in_the_queue)
      rescue
        e ->
          Logger.warning(
            "Error running job in the queue: #{inspect(job_in_the_queue.id)} with error: #{inspect(e)}"
          )

          {:error, e}
      end
    end)
  end

  defp do_expire_jobs(job_config) do
    job_config
    |> Jobs.list_expired_jobs()
    |> Enum.map(fn job_run ->
      try do
        JobEngine.expire_a_job(job_config, job_run)
      rescue
        e ->
          Logger.warning(
            "Error expiring job run: #{inspect(job_run.id)} with error: #{inspect(e)}"
          )

          {:error, e}
      end
    end)
  end
end