defmodule BenchmarkWeb.DashboardLive do
  use BenchmarkWeb, :live_view
  alias Benchmark.Alerts

  @impl true
  def mount(_params, _session, socket) do
    alerts = Alerts.list_alerts()

    {:ok,
     assign(socket,
       alerts: alerts,
       count: length(alerts),
       search: "",
       ws_ready: connected?(socket)
     )}
  end

  @impl true
  def handle_event("add_alert", _params, socket) do
    {:ok, alert} = Alerts.create_random_alert()
    alerts = [alert | socket.assigns.alerts]
    {:noreply, assign(socket, alerts: alerts, count: length(alerts))}
  end

  @impl true
  def handle_event("delete_alert", %{"id" => id_str}, socket) do
    id = String.to_integer(id_str)
    Alerts.delete_alert(id)
    alerts = Enum.reject(socket.assigns.alerts, &(&1.id == id))
    {:noreply, assign(socket, alerts: alerts, count: length(alerts))}
  end

  @impl true
  def handle_event("search", %{"query" => query}, socket) do
    alerts = Alerts.search_alerts(query)
    {:noreply, assign(socket, alerts: alerts, search: query, count: length(alerts))}
  end

  defp type_class("CRITICAL"), do: "px-2 py-1 rounded text-xs font-semibold bg-red-100 text-red-700"
  defp type_class("WARNING"), do: "px-2 py-1 rounded text-xs font-semibold bg-yellow-100 text-yellow-700"
  defp type_class(_), do: "px-2 py-1 rounded text-xs font-semibold bg-blue-100 text-blue-700"

  defp format_time(dt) do
    dt
    |> DateTime.to_time()
    |> Time.to_string()
    |> String.slice(0, 8)
  end
end