defmodule VerkWeb.QueuesController do
  require Verk.QueueStats
  use VerkWeb.Web, :controller

  def index(conn, params) do
    render(conn, "index.html",
      queue_stats: Verk.QueueStats.all(params["search"] || ""),
      search: params["search"]
    )
  end

  def show(conn, %{"queue" => queue}) do
    params = conn.params

    paginator =
      VerkWeb.RangePaginator.new(Verk.Queue.count!(queue), params["page"], params["per_page"])

    render(conn, "show.html",
      queue: queue,
      enqueued_jobs: Verk.Queue.range!(queue, paginator.from, paginator.to),
      has_next: paginator.has_next,
      has_prev: paginator.has_prev,
      page: paginator.page,
      per_page: paginator.per_page
    )
  end

  def busy(conn, %{"queue" => queue}) do
    running_jobs = Verk.WorkersManager.running_jobs(queue)
    render(conn, "busy.html", queue: queue, running_jobs: running_jobs)
  end

  def pause(conn, %{"queue" => queue}) do
    queue |> String.to_atom() |> Verk.pause_queue()
    redirect(conn, to: queues_path(conn, :index))
  end

  def resume(conn, %{"queue" => queue}) do
    queue |> String.to_atom() |> Verk.resume_queue()
    redirect(conn, to: queues_path(conn, :index))
  end
end