defmodule ToweropsWeb.InsightsLive.IndexEventsTest do
  @moduledoc """
  Drives event handlers in the Insights LiveView (filter, dismiss,
  toggle_select, select_all, deselect_all, bulk_dismiss).
  """
  use ToweropsWeb.ConnCase, async: true

  import Phoenix.LiveViewTest

  alias Towerops.Preseem.Insight
  alias Towerops.Repo

  setup :register_and_log_in_user

  setup %{user: user} do
    {:ok, organization} =
      Towerops.Organizations.create_organization(%{name: "Insights Org"}, user.id)

    insights =
      for i <- 1..3 do
        {:ok, insight} =
          Repo.insert(
            Insight.changeset(%Insight{}, %{
              organization_id: organization.id,
              type: "snmp_cpu_high",
              urgency: "warning",
              status: "active",
              channel: "proactive",
              title: "Insight #{i}",
              source: "preseem"
            })
          )

        insight
      end

    %{organization: organization, insights: insights}
  end

  describe "filter event" do
    test "patches the URL with chosen filters", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/insights")

      _ =
        render_hook(view, "filter", %{
          "source" => "preseem",
          "urgency" => "warning",
          "status" => "active"
        })

      assert true
    end

    test "drops empty filter params", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/insights")
      _ = render_hook(view, "filter", %{"source" => "", "urgency" => "", "status" => ""})
      assert true
    end
  end

  describe "select / toggle / deselect events" do
    test "select_all + deselect_all flow", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/insights")
      _ = render_hook(view, "select_all", %{})
      _ = render_hook(view, "deselect_all", %{})
      assert true
    end

    test "toggle_select flips membership of an id", %{conn: conn, insights: [i1 | _]} do
      {:ok, view, _html} = live(conn, ~p"/insights")
      _ = render_hook(view, "toggle_select", %{"id" => i1.id})
      _ = render_hook(view, "toggle_select", %{"id" => i1.id})
      assert true
    end
  end

  describe "dismiss + bulk_dismiss" do
    test "dismiss marks a single insight as dismissed", %{conn: conn, insights: [i1 | _]} do
      {:ok, view, _html} = live(conn, ~p"/insights")
      _ = render_hook(view, "dismiss", %{"id" => i1.id})
      reloaded = Repo.get!(Insight, i1.id)
      assert reloaded.status == "dismissed"
    end

    test "bulk_dismiss is a no-op when nothing selected", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/insights")
      _ = render_hook(view, "bulk_dismiss", %{})
      assert true
    end

    test "bulk_dismiss clears selection and dismisses all selected", %{conn: conn, insights: [i1, i2 | _]} do
      {:ok, view, _html} = live(conn, ~p"/insights")

      _ = render_hook(view, "toggle_select", %{"id" => i1.id})
      _ = render_hook(view, "toggle_select", %{"id" => i2.id})
      _ = render_hook(view, "bulk_dismiss", %{})

      assert Repo.get!(Insight, i1.id).status == "dismissed"
      assert Repo.get!(Insight, i2.id).status == "dismissed"
    end
  end

  describe "LLM enrichment rendering" do
    test "shows llm_summary, recommended_action, and model when present", %{
      conn: conn,
      organization: organization
    } do
      {:ok, _enriched} =
        Repo.insert(
          Insight.changeset(%Insight{}, %{
            organization_id: organization.id,
            type: "wireless_signal_weak",
            urgency: "warning",
            status: "active",
            channel: "proactive",
            title: "Enriched insight",
            source: "snmp",
            llm_summary: "AP has 3 clients pinned to MCS0; downstream is congested.",
            recommended_action: "Re-aim CPE at -82 dBm or move it to AP-7.",
            llm_model: "deepseek-v4-pro",
            llm_enriched_at: ~U[2026-05-09 12:00:00Z]
          })
        )

      {:ok, _view, html} = live(conn, ~p"/insights")

      assert html =~ "AP has 3 clients pinned to MCS0; downstream is congested."
      assert html =~ "Re-aim CPE at -82 dBm or move it to AP-7."
      assert html =~ "deepseek-v4-pro"
    end

    test "does not render the summary block when llm_summary is nil", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/insights")

      refute html =~ "Recommended action:"
      refute html =~ "AI-generated"
    end
  end
end