defmodule ToweropsWeb.NetworkMapLiveTest do
  use ToweropsWeb.ConnCase, async: true

  import Phoenix.LiveViewTest

  @moduletag :skip

  setup :register_and_log_in_user

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

    %{organization: organization}
  end

  describe "mount and render" do
    test "mounts and renders the network map page", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map")

      assert html =~ "Network Map"
      assert html =~ "Experimental"
      assert html =~ "Topology Visualization"
    end

    test "shows stats bar with default zeros", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map")

      assert html =~ "Total Devices"
      assert html =~ "Added Devices"
      assert html =~ "Discovered"
      assert html =~ "Connections"
    end

    test "shows tab navigation with added and all tabs", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map")

      assert html =~ "Added Devices"
      assert html =~ "All Devices"
    end

    test "shows empty state when no devices exist", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map")

      assert html =~ "No network topology available"
      assert html =~ "Add devices"
    end

    test "shows refresh button", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map")

      assert html =~ "Refresh"
    end

    test "shows legend with role and confidence indicators", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map")

      assert html =~ "Roles:"
      assert html =~ "Router"
      assert html =~ "Switch"
      assert html =~ "Firewall"
      assert html =~ "Discovered"
      assert html =~ "Links:"
      assert html =~ "High confidence"
    end

    test "shows cytoscape container with network map hook", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map")

      assert html =~ "cy-container"
      assert html =~ "NetworkMap"
    end
  end

  describe "tab navigation" do
    test "defaults to added tab", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map")

      # The "Added Devices" tab should have active styling
      assert html =~ "Added Devices"
    end

    test "switches to all tab via params", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/network-map?tab=all")

      assert html =~ "All Devices"
    end
  end

  describe "events" do
    test "refresh_topology reloads data and shows flash", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/network-map")

      html = render_click(view, "refresh_topology")

      assert html =~ "Network map refreshed"
    end
  end

  describe "topology update events" do
    test "pushes update_topology event on mount", %{conn: conn, organization: organization} do
      {:ok, site} = Towerops.Sites.create_site(%{name: "Test Site", organization_id: organization.id})

      {:ok, _device} =
        Towerops.Devices.create_device(
          %{
            name: "Test-Router",
            ip_address: "10.0.0.1",
            snmp_enabled: true,
            snmp_version: "2c",
            snmp_community: "public",
            snmp_port: 161,
            site_id: site.id,
            organization_id: organization.id
          },
          bypass_limits: true
        )

      {:ok, view, _html} = live(conn, ~p"/network-map")

      # Verify the topology data is loaded (not empty)
      topology = view |> element("#cy-container") |> render()
      assert topology =~ "data-topology"
    end

    test "refreshes topology on PubSub message", %{conn: conn, organization: organization} do
      {:ok, view, _html} = live(conn, ~p"/network-map")

      # Broadcast a topology update
      Phoenix.PubSub.broadcast(
        Towerops.PubSub,
        "topology:#{organization.id}",
        {:topology_updated, organization.id}
      )

      # Give LiveView time to process
      _ = render(view)

      # Verify it still renders without error
      html = render(view)
      assert html =~ "Topology Visualization"
    end
  end

  describe "node detail panel" do
    setup %{organization: organization} do
      {:ok, site} = Towerops.Sites.create_site(%{name: "Test Site", organization_id: organization.id})

      {:ok, device} =
        Towerops.Devices.create_device(
          %{
            name: "Test-Router",
            ip_address: "10.0.0.1",
            snmp_enabled: true,
            snmp_version: "2c",
            snmp_community: "public",
            snmp_port: 161,
            site_id: site.id,
            organization_id: organization.id
          },
          bypass_limits: true
        )

      %{site: site, device: device}
    end

    test "node_clicked event assigns selected node detail", %{conn: conn, device: device} do
      {:ok, view, _html} = live(conn, ~p"/network-map")

      html = render_click(view, "node_clicked", %{"node_id" => device.id, "node_type" => "managed"})

      assert html =~ "Test-Router"
      assert html =~ "10.0.0.1"
    end

    test "close button clears selection", %{conn: conn, device: device} do
      {:ok, view, _html} = live(conn, ~p"/network-map")

      # Open panel
      render_click(view, "node_clicked", %{"node_id" => device.id, "node_type" => "managed"})

      # Close panel
      html = render_click(view, "close_detail_panel")

      refute html =~ "Node Details"
    end

    test "?node=<id> param opens detail panel on mount", %{conn: conn, device: device} do
      {:ok, _view, html} = live(conn, ~p"/network-map?node=#{device.id}")

      assert html =~ "Test-Router"
      assert html =~ "10.0.0.1"
    end
  end

  describe "site grouping" do
    test "network map renders site groupings in topology data", %{conn: conn, organization: organization} do
      {:ok, site} = Towerops.Sites.create_site(%{name: "Main Office", organization_id: organization.id})

      {:ok, _device} =
        Towerops.Devices.create_device(
          %{
            name: "Office-Router",
            ip_address: "10.0.0.1",
            snmp_enabled: true,
            snmp_version: "2c",
            snmp_community: "public",
            snmp_port: 161,
            site_id: site.id,
            organization_id: organization.id
          },
          bypass_limits: true
        )

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

      # The topology data should include site info in JSON
      assert html =~ "Main Office"
    end
  end

  describe "unauthenticated access" do
    test "requires authentication" do
      conn = build_conn()
      {:error, redirect} = live(conn, ~p"/network-map")

      assert {:redirect, %{to: path}} = redirect
      assert path == ~p"/users/log-in"
    end
  end
end