defmodule ToweropsWeb.DeviceLive.ShowTest do
  use ToweropsWeb.ConnCase, async: true

  import Phoenix.LiveViewTest

  alias Towerops.Snmp.Device
  alias Towerops.Snmp.Interface
  alias Towerops.Snmp.InterfaceStat

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

    device =
      Towerops.DevicesFixtures.device_fixture(%{
        organization_id: organization.id,
        name: "Test Router",
        ip_address: "192.168.1.1"
      })

    %{user: user, organization: organization, device: device}
  end

  describe "authenticated access" do
    test "redirects to login when not authenticated", %{conn: conn, device: device} do
      assert {:error, redirect} = live(conn, ~p"/devices/#{device.id}?tab=overview")
      assert {:redirect, %{to: to}} = redirect
      assert to =~ "/users/log-in"
    end
  end

  describe "mount and display" do
    test "displays device name and IP address", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert html =~ "Test Router"
      assert html =~ "192.168.1.1"
    end

    test "redirects to add tab=overview when no tab param", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)

      # Without a tab param, the LiveView does push_patch to add ?tab=overview
      assert {:error, {:live_redirect, %{to: to}}} = live(conn, ~p"/devices/#{device.id}")
      assert to =~ "tab=overview"
    end

    test "sets page title to device name", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert page_title(view) =~ "Test Router"
    end
  end

  describe "checks tab" do
    test "displays checks tab link", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert html =~ "Checks"
    end

    test "loads checks tab showing auto-created ping check", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=checks")

      assert html =~ "ICMP Ping"
      assert html =~ "Add Check"
    end
  end

  describe "tab navigation" do
    test "renders overview tab with device information", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert html =~ "Device Information"
    end

    test "switches to neighbors tab via patch", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      # Clicking the Neighbors tab link triggers a patch (not a redirect)
      html = view |> element("a", "Neighbors") |> render_click()

      assert html =~ "Neighbors"
    end

    test "renders logs tab directly", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=logs")

      assert html =~ "Test Router"
    end
  end

  describe "organization access control" do
    test "denies access to device from another organization", %{conn: conn, device: device} do
      other_user = Towerops.AccountsFixtures.user_fixture(enable_totp: true)

      {:ok, _other_org} =
        Towerops.Organizations.create_organization(%{name: "Other Org"}, other_user.id)

      conn = log_in_user(conn, other_user)

      assert {:error, {:live_redirect, %{to: "/devices", flash: flash}}} =
               live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert flash["error"] =~ "You don't have access to this device"
    end

    test "redirects with not found for nonexistent device", %{conn: conn, user: user} do
      conn = log_in_user(conn, user)
      fake_id = Ecto.UUID.generate()

      assert {:error, {:live_redirect, %{to: "/devices", flash: flash}}} =
               live(conn, ~p"/devices/#{fake_id}?tab=overview")

      assert flash["error"] =~ "Device not found"
    end
  end

  describe "tab rendering" do
    test "renders interfaces tab", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=interfaces")

      assert html =~ "Test Router"
    end

    test "renders sensors tab", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=sensors")

      assert html =~ "Test Router"
    end

    test "renders events tab", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=events")

      assert html =~ "Test Router"
    end
  end

  describe "handle_info events" do
    test "handles device_status_changed", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:device_status_changed, device.id, :up, 10})
      assert render(view)
    end

    test "handles discovery_completed", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:discovery_completed, device.id})
      html = render(view)
      assert html =~ "Discovery completed"
    end

    test "handles sensors_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:sensors_updated, device.id})
      assert render(view)
    end

    test "handles interfaces_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:interfaces_updated, device.id})
      assert render(view)
    end

    test "handles neighbors_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:neighbors_updated, device.id})
      assert render(view)
    end

    test "handles arp_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:arp_updated, device.id})
      assert render(view)
    end

    test "handles mac_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:mac_updated, device.id})
      assert render(view)
    end

    test "handles state_sensors_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:state_sensors_updated, device.id})
      assert render(view)
    end

    test "handles processors_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:processors_updated, device.id})
      assert render(view)
    end

    test "handles storage_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:storage_updated, device.id})
      assert render(view)
    end

    test "handles monitoring_check_updated", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:monitoring_check_updated, device.id})
      assert render(view)
    end

    test "handles device_event", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:device_event, %{device_id: device.id, type: "test"}})
      assert render(view)
    end

    test "handles refresh_data", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, :refresh_data)
      assert render(view)
    end

    test "handles agents_stale with unrelated agent", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:agents_stale, []})
      assert render(view)
    end

    test "handles agent_connected with unrelated agent", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:agent_connected, Ecto.UUID.generate(), Ecto.UUID.generate()})
      assert render(view)
    end

    test "handles agent_disconnected with unrelated agent", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:agent_disconnected, Ecto.UUID.generate(), Ecto.UUID.generate()})
      assert render(view)
    end

    test "handles agent_heartbeat with unrelated agent", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      send(view.pid, {:agent_heartbeat, Ecto.UUID.generate(), Ecto.UUID.generate()})
      assert render(view)
    end
  end

  describe "wireless tab" do
    setup %{device: device} do
      alias Device, as: SnmpDevice

      snmp_device =
        %SnmpDevice{}
        |> SnmpDevice.changeset(%{device_id: device.id, sys_name: "ap", sys_descr: "Access Point"})
        |> Towerops.Repo.insert!()

      # Create wireless clients with varying signal quality
      client1 =
        Towerops.SnmpFixtures.wireless_client_fixture(%{
          snmp_device_id: snmp_device.id,
          device_id: device.id,
          mac_address: "AA:BB:CC:DD:EE:01",
          ip_address: "192.168.1.101",
          signal_strength: -65,
          snr: 25,
          distance: 100,
          tx_rate: 54_000,
          rx_rate: 48_000,
          uptime_seconds: 3661
        })

      client2 =
        Towerops.SnmpFixtures.wireless_client_fixture(%{
          snmp_device_id: snmp_device.id,
          device_id: device.id,
          mac_address: "AA:BB:CC:DD:EE:02",
          ip_address: "192.168.1.102",
          signal_strength: -85,
          snr: 10,
          distance: 250
        })

      %{snmp_device: snmp_device, client1: client1, client2: client2}
    end

    test "displays wireless tab link with client count badge", %{
      conn: conn,
      user: user,
      device: device
    } do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert html =~ "Wireless"
      assert html =~ "2"
    end

    test "renders wireless tab with client table", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=wireless")

      # Check for table headers
      assert html =~ "MAC Address"
      assert html =~ "IP Address"
      assert html =~ "Signal"
      assert html =~ "SNR"

      # Check for client data
      assert html =~ "AA:BB:CC:DD:EE:01"
      assert html =~ "192.168.1.101"
      assert html =~ "AA:BB:CC:DD:EE:02"
      assert html =~ "192.168.1.102"
    end

    test "displays signal strength badges with correct values", %{
      conn: conn,
      user: user,
      device: device
    } do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=wireless")

      assert html =~ "-65 dBm"
      assert html =~ "-85 dBm"
    end

    test "displays SNR badges with correct values", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=wireless")

      assert html =~ "25 dB"
      assert html =~ "10 dB"
    end

    test "displays formatted uptime", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=wireless")

      # 3661 seconds = 1 hour, 1 minute, 1 second
      assert html =~ "1 hour"
    end

    test "displays formatted TX/RX rates", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=wireless")

      # 54000 Kbps = 54 Mbps
      assert html =~ "54"
      # 48000 Kbps = 48 Mbps
      assert html =~ "48"
    end

    test "handles wireless_clients_updated PubSub message", %{
      conn: conn,
      user: user,
      device: device
    } do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=wireless")

      # Send PubSub update
      send(view.pid, {:wireless_clients_updated, device.id, 2})

      # Re-render and verify still works
      html = render(view)
      assert html =~ "AA:BB:CC:DD:EE:01"
    end

    test "shows empty state when no wireless clients", %{conn: conn, user: user, organization: organization} do
      alias Device, as: SnmpDevice
      # Create a new device without wireless clients
      device_without_clients =
        Towerops.DevicesFixtures.device_fixture(%{
          organization_id: organization.id,
          name: "AP Without Clients",
          ip_address: "192.168.1.2"
        })

      # Create snmp_device so the wireless tab appears
      %SnmpDevice{}
      |> SnmpDevice.changeset(%{
        device_id: device_without_clients.id,
        sys_name: "ap",
        sys_descr: "AP"
      })
      |> Towerops.Repo.insert!()

      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device_without_clients.id}?tab=wireless")

      assert html =~ "No wireless clients"
    end

    test "switches to wireless tab via patch", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      html = view |> element("a", "Wireless") |> render_click()

      assert html =~ "MAC Address"
      assert html =~ "AA:BB:CC:DD:EE:01"
    end
  end

  describe "ports tab capacity" do
    setup %{device: device} do
      alias Device, as: SnmpDevice

      snmp_device =
        %SnmpDevice{}
        |> SnmpDevice.changeset(%{device_id: device.id, sys_name: "radio", sys_descr: "PTP"})
        |> Towerops.Repo.insert!()

      interface =
        %Interface{}
        |> Interface.changeset(%{
          snmp_device_id: snmp_device.id,
          if_index: 1,
          if_name: "eth0",
          if_speed: 1_000_000_000,
          if_type: 6,
          configured_capacity_bps: 300_000_000,
          capacity_source: "manual"
        })
        |> Towerops.Repo.insert!()

      # Insert stats for utilization calculation
      now = DateTime.utc_now()

      %InterfaceStat{}
      |> InterfaceStat.changeset(%{
        interface_id: interface.id,
        if_in_octets: 0,
        if_out_octets: 0,
        checked_at: DateTime.add(now, -120, :second)
      })
      |> Towerops.Repo.insert!()

      # ~150 Mbps = 50% of 300 Mbps capacity
      %InterfaceStat{}
      |> InterfaceStat.changeset(%{
        interface_id: interface.id,
        if_in_octets: 0,
        if_out_octets: 1_125_000_000,
        checked_at: DateTime.add(now, -60, :second)
      })
      |> Towerops.Repo.insert!()

      %{snmp_device: snmp_device, interface: interface}
    end

    test "displays capacity column on ports tab", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=ports")

      assert html =~ "Capacity"
      assert html =~ "300.0 Mbps"
    end

    test "displays utilization bar on ports tab", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=ports")

      assert html =~ "Utilization"
    end

    test "set capacity via event handler", %{
      conn: conn,
      user: user,
      device: device,
      interface: interface
    } do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=ports")

      html =
        render_click(view, "set_capacity", %{
          "interface_id" => interface.id,
          "capacity_mbps" => "500"
        })

      assert html =~ "500.0 Mbps"
    end

    test "clear capacity via event handler", %{
      conn: conn,
      user: user,
      device: device,
      interface: interface
    } do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=ports")

      html = render_click(view, "clear_capacity", %{"interface_id" => interface.id})

      # After clearing, the capacity badge should not show 300 Mbps anymore
      refute html =~ "300.0 Mbps"
    end
  end

  describe "overall traffic chart" do
    setup %{device: device} do
      snmp_device =
        %Device{}
        |> Device.changeset(%{device_id: device.id, sys_name: "radio", sys_descr: "PTP"})
        |> Towerops.Repo.insert!()

      device =
        device
        |> Ecto.Changeset.change(device_role: "backhaul")
        |> Towerops.Repo.update!()

      interface =
        %Interface{}
        |> Interface.changeset(%{
          snmp_device_id: snmp_device.id,
          if_index: 1,
          if_name: "eth0",
          if_descr: "eth0",
          if_speed: 1_000_000_000,
          if_type: 6,
          configured_capacity_bps: 500_000_000,
          capacity_source: "manual"
        })
        |> Towerops.Repo.insert!()

      now = DateTime.utc_now()

      %InterfaceStat{}
      |> InterfaceStat.changeset(%{
        interface_id: interface.id,
        if_in_octets: 1_000,
        if_out_octets: 2_000,
        checked_at: DateTime.add(now, -60, :second)
      })
      |> Towerops.Repo.insert!()

      %InterfaceStat{}
      |> InterfaceStat.changeset(%{
        interface_id: interface.id,
        if_in_octets: 10_000,
        if_out_octets: 14_000,
        checked_at: now
      })
      |> Towerops.Repo.insert!()

      %{device: device}
    end

    test "renders overall backhaul traffic and capacity with consistent polarity", %{
      conn: conn,
      user: user,
      device: device
    } do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      datasets = chart_datasets_from_html(html, "traffic-chart")

      assert dataset_y_values(datasets, "Outbound") == [-1600.0]
      assert dataset_y_values(datasets, "Inbound") == [1200.0]
      assert dataset_y_values(datasets, "Capacity (In)") == [500_000_000.0]
      assert dataset_y_values(datasets, "Capacity (Out)") == [-500_000_000.0]
      assert dataset_fill(datasets, "Capacity (In)") == false
      assert dataset_fill(datasets, "Capacity (Out)") == false
    end
  end

  defp chart_datasets_from_html(html, chart_id) do
    pattern = ~r/id="#{chart_id}"[^>]*data-chart="([^"]+)"/
    [_, encoded_json] = Regex.run(pattern, html)

    encoded_json
    |> String.replace(""", "\"")
    |> Jason.decode!()
    |> Map.fetch!("datasets")
  end

  defp dataset_y_values(datasets, label) do
    datasets
    |> Enum.find(&(Map.get(&1, "label") == label))
    |> Map.fetch!("data")
    |> Enum.map(&Map.fetch!(&1, "y"))
  end

  defp dataset_fill(datasets, label) do
    datasets
    |> Enum.find(&(Map.get(&1, "label") == label))
    |> Map.get("fill")
  end

  describe "transceivers tab" do
    setup %{device: device} do
      alias Device, as: SnmpDevice
      alias Towerops.Snmp.Transceiver

      snmp_device =
        %SnmpDevice{}
        |> SnmpDevice.changeset(%{device_id: device.id, sys_name: "switch", sys_descr: "Switch"})
        |> Towerops.Repo.insert!()

      transceiver1 =
        %Transceiver{}
        |> Transceiver.changeset(%{
          snmp_device_id: snmp_device.id,
          port_index: "1001",
          transceiver_type: "SFP+",
          vendor_name: "Finisar",
          vendor_part_number: "FTLX8571D3BCL",
          vendor_serial_number: "ABC123456",
          wavelength_nm: 850,
          supports_dom: true
        })
        |> Towerops.Repo.insert!()

      transceiver2 =
        %Transceiver{}
        |> Transceiver.changeset(%{
          snmp_device_id: snmp_device.id,
          port_index: "1002",
          transceiver_type: "QSFP28",
          vendor_name: "Intel",
          vendor_part_number: "E810-XXVDA4",
          supports_dom: false
        })
        |> Towerops.Repo.insert!()

      %{snmp_device: snmp_device, transceiver1: transceiver1, transceiver2: transceiver2}
    end

    test "displays transceivers tab link", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert html =~ "Transceivers"
    end

    test "renders transceivers tab with table", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=transceivers")

      # Check for table headers
      assert html =~ "Port"
      assert html =~ "Type"
      assert html =~ "Vendor"
      assert html =~ "Part Number"
      assert html =~ "Serial Number"

      # Check for transceiver data
      assert html =~ "SFP+"
      assert html =~ "QSFP28"
      assert html =~ "Finisar"
      assert html =~ "Intel"
      assert html =~ "FTLX8571D3BCL"
      assert html =~ "ABC123456"
    end

    test "displays DOM badge for transceivers with supports_dom=true", %{
      conn: conn,
      user: user,
      device: device
    } do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=transceivers")

      assert html =~ "DOM"
    end

    test "shows empty state when no transceivers", %{conn: conn, user: user, organization: organization} do
      alias Device, as: SnmpDevice

      device_without_transceivers =
        Towerops.DevicesFixtures.device_fixture(%{
          organization_id: organization.id,
          name: "Switch Without Transceivers",
          ip_address: "192.168.1.3"
        })

      %SnmpDevice{}
      |> SnmpDevice.changeset(%{
        device_id: device_without_transceivers.id,
        sys_name: "switch",
        sys_descr: "Switch"
      })
      |> Towerops.Repo.insert!()

      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device_without_transceivers.id}?tab=transceivers")

      assert html =~ "No transceivers found"
    end

    test "switches to transceivers tab via patch", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      html = view |> element("a", "Transceivers") |> render_click()

      assert html =~ "Port"
      assert html =~ "SFP+"
    end
  end

  describe "printer supplies tab" do
    setup %{device: device} do
      alias Device, as: SnmpDevice
      alias Towerops.Snmp.PrinterSupply

      snmp_device =
        %SnmpDevice{}
        |> SnmpDevice.changeset(%{device_id: device.id, sys_name: "printer", sys_descr: "Printer"})
        |> Towerops.Repo.insert!()

      supply1 =
        %PrinterSupply{}
        |> PrinterSupply.changeset(%{
          snmp_device_id: snmp_device.id,
          supply_index: "1",
          supply_type: "toner",
          supply_description: "Black Toner Cartridge",
          supply_unit: "percent",
          max_capacity: 100,
          current_level: 45,
          color_name: "black",
          part_number: "TN-450"
        })
        |> Towerops.Repo.insert!()

      supply2 =
        %PrinterSupply{}
        |> PrinterSupply.changeset(%{
          snmp_device_id: snmp_device.id,
          supply_index: "2",
          supply_type: "drum",
          supply_description: "Drum Unit",
          supply_unit: "percent",
          max_capacity: 100,
          current_level: 15,
          part_number: "DR-420"
        })
        |> Towerops.Repo.insert!()

      %{snmp_device: snmp_device, supply1: supply1, supply2: supply2}
    end

    test "displays printer supplies tab link", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert html =~ "Printer Supplies"
    end

    test "renders printer supplies tab with table", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=printer_supplies")

      # Check for table headers
      assert html =~ "Type"
      assert html =~ "Description"
      assert html =~ "Level"
      assert html =~ "Part Number"

      # Check for supply data
      assert html =~ "toner"
      assert html =~ "drum"
      assert html =~ "Black Toner Cartridge"
      assert html =~ "Drum Unit"
      assert html =~ "TN-450"
      assert html =~ "DR-420"
    end

    test "displays supply level percentage bars", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=printer_supplies")

      assert html =~ "45%"
      assert html =~ "15%"
    end

    test "shows low supply warning for supplies below 20%", %{
      conn: conn,
      user: user,
      device: device
    } do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=printer_supplies")

      # Supply at 15% should have warning styling
      assert html =~ "15%"
    end

    test "shows empty state when no printer supplies", %{
      conn: conn,
      user: user,
      organization: organization
    } do
      alias Device, as: SnmpDevice

      device_without_supplies =
        Towerops.DevicesFixtures.device_fixture(%{
          organization_id: organization.id,
          name: "Device Without Supplies",
          ip_address: "192.168.1.4"
        })

      %SnmpDevice{}
      |> SnmpDevice.changeset(%{
        device_id: device_without_supplies.id,
        sys_name: "device",
        sys_descr: "Device"
      })
      |> Towerops.Repo.insert!()

      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device_without_supplies.id}?tab=printer_supplies")

      assert html =~ "No printer supplies found"
    end

    test "switches to printer supplies tab via patch", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      html = view |> element("a", "Printer Supplies") |> render_click()

      assert html =~ "Black Toner Cartridge"
      assert html =~ "45%"
    end
  end

  describe "hardware inventory tab" do
    setup %{device: device} do
      alias Device, as: SnmpDevice
      alias Towerops.Snmp.EntityPhysical

      snmp_device =
        %SnmpDevice{}
        |> SnmpDevice.changeset(%{device_id: device.id, sys_name: "switch", sys_descr: "Switch"})
        |> Towerops.Repo.insert!()

      # Create chassis (root level)
      chassis =
        %EntityPhysical{}
        |> EntityPhysical.changeset(%{
          snmp_device_id: snmp_device.id,
          entity_index: "1",
          entity_class: "chassis",
          name: "Chassis 1",
          description: "Main Chassis",
          serial_number: "SN123456",
          model: "CCR1009",
          manufacturer: "MikroTik"
        })
        |> Towerops.Repo.insert!()

      # Create power supply (child of chassis)
      power_supply =
        %EntityPhysical{}
        |> EntityPhysical.changeset(%{
          snmp_device_id: snmp_device.id,
          entity_index: "2",
          parent_index: "1",
          parent_id: chassis.id,
          entity_class: "powerSupply",
          name: "Power Supply 1",
          description: "Main Power Supply",
          serial_number: "PS789012"
        })
        |> Towerops.Repo.insert!()

      # Create module (child of chassis)
      module =
        %EntityPhysical{}
        |> EntityPhysical.changeset(%{
          snmp_device_id: snmp_device.id,
          entity_index: "3",
          parent_index: "1",
          parent_id: chassis.id,
          entity_class: "module",
          name: "SFP Module 1",
          description: "10G SFP+ Module"
        })
        |> Towerops.Repo.insert!()

      %{snmp_device: snmp_device, chassis: chassis, power_supply: power_supply, module: module}
    end

    test "displays hardware inventory tab link", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      assert html =~ "Hardware"
    end

    test "renders hardware inventory tab with table", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=hardware")

      # Check for table headers
      assert html =~ "Class"
      assert html =~ "Name"
      assert html =~ "Description"
      assert html =~ "Serial Number"
      assert html =~ "Model"

      # Check for entity data
      assert html =~ "chassis"
      assert html =~ "powerSupply"
      assert html =~ "module"
      assert html =~ "Chassis 1"
      assert html =~ "Power Supply 1"
      assert html =~ "SN123456"
      assert html =~ "CCR1009"
      assert html =~ "MikroTik"
    end

    test "displays hierarchical structure with indentation", %{
      conn: conn,
      user: user,
      device: device
    } do
      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device.id}?tab=hardware")

      # Power supply and module should appear after chassis
      assert html =~ "Main Chassis"
      assert html =~ "Main Power Supply"
      assert html =~ "SFP Module 1"
    end

    test "shows empty state when no hardware inventory", %{
      conn: conn,
      user: user,
      organization: organization
    } do
      alias Device, as: SnmpDevice

      device_without_hardware =
        Towerops.DevicesFixtures.device_fixture(%{
          organization_id: organization.id,
          name: "Device Without Hardware",
          ip_address: "192.168.1.5"
        })

      %SnmpDevice{}
      |> SnmpDevice.changeset(%{
        device_id: device_without_hardware.id,
        sys_name: "device",
        sys_descr: "Device"
      })
      |> Towerops.Repo.insert!()

      conn = log_in_user(conn, user)
      {:ok, _view, html} = live(conn, ~p"/devices/#{device_without_hardware.id}?tab=hardware")

      assert html =~ "No hardware inventory found"
    end

    test "switches to hardware tab via patch", %{conn: conn, user: user, device: device} do
      conn = log_in_user(conn, user)
      {:ok, view, _html} = live(conn, ~p"/devices/#{device.id}?tab=overview")

      html = view |> element("a", "Hardware") |> render_click()

      assert html =~ "Class"
      assert html =~ "Chassis 1"
    end
  end
end