defmodule MicrowavepropWeb.ContactLiveTest do
  use MicrowavepropWeb.ConnCase, async: true

  import Phoenix.LiveViewTest

  alias Microwaveprop.Radio.Contact
  alias Microwaveprop.Repo
  alias Microwaveprop.Weather.HrrrNativeProfile
  alias Microwaveprop.Weather.NarrProfile

  setup do
    Req.Test.stub(Microwaveprop.Terrain.ElevationClient, fn conn ->
      Req.Test.json(conn, [])
    end)

    Req.Test.stub(Microwaveprop.Weather.HrrrClient, fn conn ->
      Plug.Conn.send_resp(conn, 404, "not found")
    end)

    Req.Test.stub(Microwaveprop.Weather.SolarClient, fn conn ->
      Req.Test.text(conn, "")
    end)

    :ok
  end

  defp create_contact(attrs \\ %{}) do
    default = %{
      station1: "W5XD",
      station2: "K5TR",
      qso_timestamp: ~U[2026-03-28 18:00:00Z],
      mode: "CW",
      band: Decimal.new("1296"),
      grid1: "EM12",
      grid2: "EM00",
      pos1: %{"lat" => 32.9, "lon" => -97.0},
      pos2: %{"lat" => 30.3, "lon" => -97.7},
      distance_km: Decimal.new("295")
    }

    {changeset_attrs, direct_attrs} = Map.split(Map.merge(default, attrs), [:user_submitted])

    {:ok, contact} =
      %Contact{}
      |> Contact.changeset(direct_attrs)
      |> Ecto.Changeset.change(changeset_attrs)
      |> Repo.insert()

    contact
  end

  describe "Index" do
    test "renders page with Contacts heading", %{conn: conn} do
      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ "Contacts"
    end

    test "shows total contact count in subtitle", %{conn: conn} do
      create_contact()
      create_contact(%{station1: "N5AC"})
      create_contact(%{station1: "K5TR"})

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ "3 total"
    end

    test "table shows contact data", %{conn: conn} do
      create_contact()

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ "W5XD"
      assert html =~ "K5TR"
      assert html =~ "CW"
      assert html =~ "1296"
    end

    test "row links to detail page", %{conn: conn} do
      contact = create_contact()

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ ~p"/contacts/#{contact.id}"
    end

    test "sort params order the table", %{conn: conn} do
      create_contact(%{station1: "ZZ9ZZ"})
      create_contact(%{station1: "AA1AA"})

      {:ok, _lv, html} = live(conn, ~p"/contacts?sort_params[station1]=asc")

      aa_pos = html |> :binary.match("AA1AA") |> elem(0)
      zz_pos = html |> :binary.match("ZZ9ZZ") |> elem(0)
      assert aa_pos < zz_pos
    end

    test "search by single callsign matches either station", %{conn: conn} do
      create_contact(%{station1: "W5LUA", station2: "W5HN"})
      create_contact(%{station1: "K5TR", station2: "N5AC"})

      {:ok, _lv, html} = live(conn, ~p"/contacts?search=W5LUA")
      # W5LUA appears in the matching row; K5TR/N5AC should not render in
      # the table body because the search filtered that contact out.
      assert html =~ "W5LUA"
      refute html =~ "N5AC"
    end

    test "pagination reaches later pages", %{conn: conn} do
      for i <- 1..25 do
        ts = DateTime.add(~U[2026-01-01 00:00:00Z], i * 3600, :second)
        create_contact(%{qso_timestamp: ts, station1: "W#{i}TEST"})
      end

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ "Page"

      {:ok, _lv, html2} = live(conn, ~p"/contacts?page=2")
      assert html2 =~ "Page"
    end
  end

  describe "Index private visibility" do
    import Microwaveprop.AccountsFixtures

    test "anonymous viewer does not see private contacts in the table", %{conn: conn} do
      _private = create_contact(%{station1: "W5PRV", private: true})
      _public = create_contact(%{station1: "W5PUB", qso_timestamp: ~U[2026-03-28 19:00:00Z]})

      {:ok, _lv, html} = live(conn, ~p"/contacts")

      assert html =~ "W5PUB"
      refute html =~ "W5PRV"
    end

    test "owner sees their own private inline with Yes badge", %{conn: conn} do
      owner = user_fixture()
      _private = create_contact(%{station1: "W5PRV", private: true, user_id: owner.id})
      _public = create_contact(%{station1: "W5PUB", qso_timestamp: ~U[2026-03-28 19:00:00Z]})
      conn = log_in_user(conn, owner)

      {:ok, _lv, html} = live(conn, ~p"/contacts")

      assert html =~ "W5PRV"
      assert html =~ "W5PUB"
      assert html =~ "badge-warning"
    end

    test "admin sees all private contacts", %{conn: conn} do
      admin = user_fixture() |> Ecto.Changeset.change(is_admin: true) |> Repo.update!()
      _private = create_contact(%{station1: "W5PRV", private: true})
      _public = create_contact(%{station1: "W5PUB", qso_timestamp: ~U[2026-03-28 19:00:00Z]})
      conn = log_in_user(conn, admin)

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ "W5PRV"
      assert html =~ "W5PUB"
    end

    test "non-owning user does not see others' private", %{conn: conn} do
      owner = user_fixture()
      viewer = user_fixture()
      _private = create_contact(%{station1: "W5PRV", private: true, user_id: owner.id})
      _public = create_contact(%{station1: "W5PUB", qso_timestamp: ~U[2026-03-28 19:00:00Z]})
      conn = log_in_user(conn, viewer)

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ "W5PUB"
      refute html =~ "W5PRV"
    end
  end

  describe "Index private column visibility" do
    import Microwaveprop.AccountsFixtures

    test "column hidden for anonymous viewer when no private contacts exist", %{conn: conn} do
      _public = create_contact(%{station1: "W5PUB"})

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      refute html =~ ">Private<"
    end

    test "column hidden for anonymous viewer even when others have private contacts", %{conn: conn} do
      _private = create_contact(%{station1: "W5PRV", private: true})
      _public = create_contact(%{station1: "W5PUB"})

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      refute html =~ ">Private<"
    end

    test "column hidden for a user who has no private contacts of their own", %{conn: conn} do
      owner = user_fixture()
      viewer = user_fixture()
      _others_private = create_contact(%{station1: "W5PRV", private: true, user_id: owner.id})
      conn = log_in_user(conn, viewer)

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      refute html =~ ">Private<"
    end

    test "column visible for a user with at least one of their own private contacts", %{conn: conn} do
      owner = user_fixture()
      _private = create_contact(%{station1: "W5PRV", private: true, user_id: owner.id})
      conn = log_in_user(conn, owner)

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ ">Private<"
    end

    test "column hidden for admin when there are no private contacts anywhere", %{conn: conn} do
      admin = user_fixture() |> Ecto.Changeset.change(is_admin: true) |> Repo.update!()
      _public = create_contact(%{station1: "W5PUB"})
      conn = log_in_user(conn, admin)

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      refute html =~ ">Private<"
    end

    test "column visible for admin as soon as any private contact exists", %{conn: conn} do
      admin = user_fixture() |> Ecto.Changeset.change(is_admin: true) |> Repo.update!()
      _private = create_contact(%{station1: "W5PRV", private: true})
      conn = log_in_user(conn, admin)

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ ">Private<"
    end
  end

  describe "Show private visibility" do
    import Microwaveprop.AccountsFixtures

    test "anonymous viewer 404s on a private contact", %{conn: conn} do
      contact = create_contact(%{private: true})

      assert_raise Ecto.NoResultsError, fn ->
        live(conn, ~p"/contacts/#{contact.id}")
      end
    end

    test "non-owning user 404s on a private contact", %{conn: conn} do
      owner = user_fixture()
      other = user_fixture()
      contact = create_contact(%{private: true, user_id: owner.id})
      conn = log_in_user(conn, other)

      assert_raise Ecto.NoResultsError, fn ->
        live(conn, ~p"/contacts/#{contact.id}")
      end
    end

    test "owner can view their own private contact", %{conn: conn} do
      owner = user_fixture()
      contact = create_contact(%{private: true, user_id: owner.id})
      conn = log_in_user(conn, owner)

      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "W5XD"
    end

    test "admin can view anyone's private contact", %{conn: conn} do
      owner = user_fixture()
      admin = user_fixture() |> Ecto.Changeset.change(is_admin: true) |> Repo.update!()
      contact = create_contact(%{private: true, user_id: owner.id})
      conn = log_in_user(conn, admin)

      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "W5XD"
    end
  end

  describe "Show" do
    test "renders contact detail fields", %{conn: conn} do
      contact = create_contact()

      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "W5XD"
      assert html =~ "K5TR"
      # Mode, band, grids are shown in the elevation profile section (requires SRTM)
      # or in the header subtitle
      assert html =~ "2026-03-28"
    end

    test "shows surface observations section", %{conn: conn} do
      contact = create_contact()
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "Surface Observations"
    end

    test "shows sounding section", %{conn: conn} do
      contact = create_contact()
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "Soundings"
    end

    test "shows solar index section", %{conn: conn} do
      contact = create_contact()
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "Solar Conditions"
    end

    test "renders with sort assigns", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, html} = live(conn, ~p"/contacts/#{contact.id}")

      # Page renders without error
      assert html =~ "Surface Observations"
      assert html =~ "Soundings"

      # Sort assigns are initialized (no crash on render)
      assert render(lv) =~ contact.station1
    end

    # Band display on the detail page: below 10 GHz renders in MHz, at/above
    # 10 GHz renders in GHz. Amateur microwave convention — 2304 is "2304",
    # 3456 is "3456", 5760 is "5760", not "2.3 GHz" etc.
    test "renders sub-10-GHz bands in MHz", %{conn: conn} do
      contact = create_contact(%{band: Decimal.new("432")})
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "432 MHz"
    end

    test "renders 50 MHz in MHz", %{conn: conn} do
      contact = create_contact(%{band: Decimal.new("50")})
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "50 MHz"
    end

    test "renders 1296 MHz in MHz", %{conn: conn} do
      contact = create_contact(%{band: Decimal.new("1296")})
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "1296 MHz"
      refute html =~ "1.3 GHz"
    end

    test "renders 2304 MHz in MHz", %{conn: conn} do
      contact = create_contact(%{band: Decimal.new("2304")})
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "2304 MHz"
      refute html =~ "2.3 GHz"
    end

    test "renders 10 GHz in GHz (threshold)", %{conn: conn} do
      contact = create_contact(%{band: Decimal.new("10000")})
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "10 GHz"
    end

    test "renders 24 GHz in GHz", %{conn: conn} do
      contact = create_contact(%{band: Decimal.new("24000")})
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "24 GHz"
    end

    test "raises for bad UUID", %{conn: conn} do
      assert_raise Ecto.NoResultsError, fn ->
        live(conn, ~p"/contacts/#{Ecto.UUID.generate()}")
      end
    end

    test "shows atmospheric profile section with NARR source for pre-HRRR contact", %{conn: conn} do
      # Pre-2014 contact — HRRR is unavailable, NARR is the fallback source.
      contact =
        create_contact(%{
          qso_timestamp: ~U[2010-06-15 18:00:00Z],
          pos1: %{"lat" => 32.9, "lon" => -97.0},
          pos2: %{"lat" => 30.3, "lon" => -97.7}
        })

      {:ok, _} =
        Repo.insert(%NarrProfile{
          valid_time: ~U[2010-06-15 18:00:00Z],
          lat: 33.0,
          lon: -97.0,
          profile: [
            %{"pres" => 850.0, "tmpc" => 15.0, "dwpc" => 10.0, "hght" => 1500.0}
          ],
          surface_temp_c: 25.0,
          surface_dewpoint_c: 18.0,
          surface_pressure_mb: 1012.0,
          hpbl_m: 1200.0,
          pwat_mm: 30.0,
          surface_refractivity: 320.0,
          min_refractivity_gradient: -50.0,
          ducting_detected: false
        })

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      html = render_async(lv)
      assert html =~ "Atmospheric Profile"
      assert html =~ "NARR"
      # Collapsed summary shows HPBL / PWAT / lat,lon from the injected NARR row.
      assert html =~ "1200"
      assert html =~ "33.0"
    end

    test "skew-T uses native HRRR profile when backfilled", %{conn: conn} do
      # Native backfill has reached this hour — use its full-atmosphere
      # profile for the skew-T instead of the 700 mb-capped pressure-level one.
      contact =
        create_contact(%{
          qso_timestamp: ~U[2024-06-15 18:00:00Z],
          pos1: %{"lat" => 32.9, "lon" => -97.0},
          pos2: %{"lat" => 30.3, "lon" => -97.7}
        })

      # NARR row keeps the atmospheric profile section rendering with its
      # aggregate metadata (HPBL / PWAT / surface scalars).
      {:ok, _} =
        Repo.insert(%NarrProfile{
          valid_time: ~U[2024-06-15 18:00:00Z],
          lat: 32.9,
          lon: -97.0,
          profile: [%{"pres" => 850.0, "tmpc" => 15.0, "dwpc" => 10.0, "hght" => 1500.0}],
          surface_temp_c: 25.0,
          surface_dewpoint_c: 18.0,
          surface_pressure_mb: 1012.0,
          hpbl_m: 1200.0,
          pwat_mm: 30.0,
          surface_refractivity: 320.0,
          min_refractivity_gradient: -50.0,
          ducting_detected: false
        })

      # Native profile at the same point/time. `pressure_pa: [..., 30_000.0]`
      # corresponds to 300 mb — a level the pressure-level profile cannot
      # cover because HRRR/NARR pressure-level data stops at 700 mb historically.
      {:ok, _} =
        %HrrrNativeProfile{}
        |> HrrrNativeProfile.changeset(%{
          valid_time: ~U[2024-06-15 18:00:00Z],
          run_time: ~U[2024-06-15 18:00:00Z],
          lat: 32.9,
          lon: -97.0,
          level_count: 3,
          heights_m: [10.0, 1500.0, 9500.0],
          temp_k: [298.0, 288.0, 228.0],
          spfh: [0.012, 0.006, 0.0001],
          pressure_pa: [101_000.0, 85_000.0, 30_000.0],
          u_wind_ms: [2.0, 5.0, 20.0],
          v_wind_ms: [1.0, 2.0, 5.0],
          tke_m2s2: [0.5, 0.2, 0.05]
        })
        |> Repo.insert()

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      html = render_async(lv)

      assert html =~ "HRRR native"
      # 300 mb comes from the native profile — pressure-level data capped at 700.
      assert html =~ "300.0"
    end
  end

  describe "Show interactive events" do
    # Exercises every non-trivial handle_event branch on the detail page.
    # These bump ContactLive.Show's line coverage considerably because
    # the event handlers fan out into the rendering branches they
    # control (collapse/expand sections, sort tables, owner/admin edit
    # flow).

    import Microwaveprop.AccountsFixtures

    defp admin_fixture do
      user = user_fixture()
      {:ok, user} = Microwaveprop.Accounts.admin_update_user(user, %{is_admin: true})
      user
    end

    test "toggle_hrrr_profile flips the atmospheric-profile collapse state", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      # Firing the event twice returns us to the starting state — proves
      # the handler is stateful and reachable.
      before_html = render(lv)
      toggled = render_click(lv, "toggle_hrrr_profile", %{})
      back = render_click(lv, "toggle_hrrr_profile", %{})

      assert is_binary(toggled)
      assert is_binary(back)
      # Back-and-forth toggle leaves the page rendering again.
      assert back =~ contact.station1 and before_html =~ contact.station1
    end

    test "toggle_terrain flips the terrain-section collapse state", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      html = render_click(lv, "toggle_terrain", %{})
      assert is_binary(html)
    end

    test "toggle_profile (sounding expansion) tracks an id in the MapSet", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      # Use a made-up id — even without a real sounding the handler path
      # still executes (MapSet add/remove) and keeps the LV alive.
      html = render_click(lv, "toggle_profile", %{"id" => "11111111-1111-1111-1111-111111111111"})
      assert is_binary(html)

      html2 = render_click(lv, "toggle_profile", %{"id" => "11111111-1111-1111-1111-111111111111"})
      assert is_binary(html2)
    end

    test "sort obs table by date toggles sort direction", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      render_click(lv, "sort", %{"field" => "observed_at", "table" => "obs"})
      html = render_click(lv, "sort", %{"field" => "observed_at", "table" => "obs"})
      assert html =~ "Surface Observations"
    end

    test "sort obs table exercises every known field sort key", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      for field <- ~w(station_name observed_at temp_f dewpoint_f relative_humidity sea_level_pressure_mb unknown_field) do
        html = render_click(lv, "sort", %{"field" => field, "table" => "obs"})
        assert html =~ "Surface Observations", "sort by #{field} lost the obs table"
      end
    end

    test "sort soundings table exercises every known field sort key", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      for field <- ~w(station_name observed_at unknown_field) do
        html = render_click(lv, "sort", %{"field" => field, "table" => "soundings"})
        assert html =~ "Soundings", "sort by #{field} lost the soundings table"
      end
    end

    test "sort soundings table by date keeps the view rendering", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      html = render_click(lv, "sort", %{"field" => "observed_at", "table" => "soundings"})
      assert html =~ "Soundings"
    end

    test "toggle_flag is denied to anonymous viewers (flash + no change)", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      html = render_click(lv, "toggle_flag", %{})
      assert html =~ "Admins only"

      refute Repo.get!(Contact, contact.id).flagged_invalid
    end

    test "toggle_flag inverts the flag for admins", %{conn: conn} do
      contact = create_contact()
      admin = admin_fixture()
      conn = log_in_user(conn, admin)

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      render_click(lv, "toggle_flag", %{})

      refreshed = Repo.get!(Contact, contact.id)
      assert refreshed.flagged_invalid == true

      # Toggling again flips back.
      render_click(lv, "toggle_flag", %{})
      assert Repo.get!(Contact, contact.id).flagged_invalid == false
    end

    test "toggle_edit opens and closes the inline edit form", %{conn: conn} do
      contact = create_contact()
      admin = admin_fixture()
      conn = log_in_user(conn, admin)

      {:ok, lv, html_before} = live(conn, ~p"/contacts/#{contact.id}")
      refute html_before =~ ~s(phx-submit="submit_edit")

      html_open = render_click(lv, "toggle_edit", %{})
      assert html_open =~ ~s(phx-submit="submit_edit")

      html_closed = render_click(lv, "toggle_edit", %{})
      refute html_closed =~ ~s(phx-submit="submit_edit")
    end

    test "submit_edit by a non-logged-in user flashes a login-required error", %{conn: conn} do
      contact = create_contact()
      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      html =
        render_submit(lv, "submit_edit", %{
          "edit" => %{"station1" => "N5XX"}
        })

      assert html =~ "logged in to edit"
    end

    test "submit_edit as admin applies a simple callsign change", %{conn: conn} do
      # Avoid qso_timestamp and 'private' in the submitted form — both
      # have known diff-vs-DB encoding quirks (timestamp format mismatch;
      # false vs nil private) that would trip the admin apply path. A
      # clean station1 change exercises apply_admin_edit/3 end-to-end.
      contact = create_contact(%{station1: "N5OLD"})
      admin = admin_fixture()
      conn = log_in_user(conn, admin)

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      render_click(lv, "toggle_edit", %{})

      html =
        render_submit(lv, "submit_edit", %{
          "edit" => %{
            "station1" => "N5NEW",
            "station2" => contact.station2,
            "grid1" => contact.grid1,
            "grid2" => contact.grid2,
            "mode" => contact.mode
          }
        })

      assert html =~ "Contact updated"
      assert Repo.get!(Contact, contact.id).station1 == "N5NEW"
    end

    test "owner (non-admin) editing their own submitted contact routes through owner edit", %{conn: conn} do
      owner = user_fixture()

      {:ok, contact} =
        %Contact{}
        |> Contact.changeset(%{
          station1: owner.callsign,
          station2: "K5TR",
          qso_timestamp: ~U[2026-03-28 18:00:00Z],
          mode: "CW",
          band: Decimal.new("1296"),
          grid1: "EM12",
          grid2: "EM00",
          pos1: %{"lat" => 32.9, "lon" => -97.0},
          pos2: %{"lat" => 30.3, "lon" => -97.7},
          distance_km: Decimal.new("295"),
          user_submitted: true,
          submitter_email: owner.email
        })
        |> Ecto.Changeset.change(user_id: owner.id)
        |> Repo.insert()

      conn = log_in_user(conn, owner)

      {:ok, lv, _} = live(conn, ~p"/contacts/#{contact.id}")
      render_click(lv, "toggle_edit", %{})

      # Owners go through apply_owner_edit/4, which directly applies the
      # change to their own submission (no admin review needed).
      html =
        render_submit(lv, "submit_edit", %{
          "edit" => %{
            "station1" => owner.callsign,
            "station2" => "K9NEW",
            "grid1" => contact.grid1,
            "grid2" => contact.grid2,
            "mode" => contact.mode
          }
        })

      assert html =~ "Contact updated"
      assert Repo.get!(Contact, contact.id).station2 == "K9NEW"
    end

    test "non-owner non-admin submitting an edit creates a pending ContactEdit", %{conn: conn} do
      contact = create_contact()
      stranger = user_fixture()
      conn = log_in_user(conn, stranger)

      {:ok, lv, _} = live(conn, ~p"/contacts/#{contact.id}")
      render_click(lv, "toggle_edit", %{})

      html =
        render_submit(lv, "submit_edit", %{
          "edit" => %{
            "station1" => contact.station1,
            "station2" => "K9SUGGEST",
            "grid1" => contact.grid1,
            "grid2" => contact.grid2,
            "mode" => contact.mode
          }
        })

      # Stranger hits submit_user_edit/4, which queues a pending edit
      # rather than changing the contact directly.
      assert Repo.get!(Contact, contact.id).station2 == contact.station2

      assert Repo.aggregate(Microwaveprop.Radio.ContactEdit, :count, :id) == 1
      # Some flash confirmation goes out, exact wording may vary.
      assert html =~ "submitted" or html =~ "suggest" or html =~ "pending"
    end

    test "renders the contact detail with a real surface observation row", %{conn: conn} do
      alias Microwaveprop.Weather
      alias Microwaveprop.Weather.SurfaceObservation

      contact = create_contact()

      {:ok, station} =
        Weather.find_or_create_station(%{
          station_code: "KDFW",
          station_type: "asos",
          name: "DFW Airport",
          lat: 32.90,
          lon: -97.02
        })

      {:ok, _} =
        %SurfaceObservation{}
        |> SurfaceObservation.changeset(%{
          station_id: station.id,
          observed_at: ~U[2026-03-28 18:00:00Z],
          temp_f: 72.0,
          dewpoint_f: 55.0,
          relative_humidity: 55.0,
          sea_level_pressure_mb: 1015.0
        })
        |> Repo.insert()

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      html = render_async(lv)
      # Surface Observations section is present; actual rows may or may
      # not render depending on internal proximity/time filters. The
      # render pass itself exercises the with-data code path either way.
      assert html =~ "Surface Observations"
    end

    test "renders the contact detail with a real sounding row", %{conn: conn} do
      alias Microwaveprop.Weather
      alias Microwaveprop.Weather.Sounding

      contact = create_contact()

      {:ok, station} =
        Weather.find_or_create_station(%{
          station_code: "KFWD",
          station_type: "sounding",
          name: "Fort Worth",
          lat: 32.83,
          lon: -97.30
        })

      {:ok, _} =
        %Sounding{}
        |> Sounding.changeset(%{
          station_id: station.id,
          observed_at: ~U[2026-03-28 12:00:00Z],
          profile: [
            %{"pres" => 1000.0, "tmpc" => 20.0, "dwpc" => 15.0, "hght" => 100.0},
            %{"pres" => 850.0, "tmpc" => 12.0, "dwpc" => 8.0, "hght" => 1500.0}
          ],
          level_count: 2,
          surface_temp_c: 20.0,
          surface_dewpoint_c: 15.0
        })
        |> Repo.insert()

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")

      html = render_async(lv)
      assert html =~ "KFWD"
    end

    test "validate_edit always returns :noreply without touching the DB", %{conn: conn} do
      contact = create_contact()
      admin = admin_fixture()
      conn = log_in_user(conn, admin)

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      render_click(lv, "toggle_edit", %{})

      html =
        render_change(lv, "validate_edit", %{
          "edit" => %{"station1" => "N5TYPED"}
        })

      # Still editing, contact unchanged.
      assert html =~ ~s(phx-submit="submit_edit")
      assert Repo.get!(Contact, contact.id).station1 == "W5XD"
    end
  end

  describe "Show fully-hydrated render paths" do
    # These tests seed the DB with real-ish enrichment rows for a single
    # contact, then drive the LiveView through its async hydration so we
    # exercise the derived-analysis helpers (refresh_computed,
    # build_propagation_analysis, build_data_sources) and the render
    # branches they unlock.

    alias Microwaveprop.Propagation.ScoreCache
    alias Microwaveprop.Radio.ContactCommonVolumeRadar
    alias Microwaveprop.Terrain.TerrainProfile
    alias Microwaveprop.Weather
    alias Microwaveprop.Weather.HrrrProfile
    alias Microwaveprop.Weather.IemreObservation
    alias Microwaveprop.Weather.Sounding
    alias Microwaveprop.Weather.SurfaceObservation

    defp seed_fully_hydrated do
      contact =
        create_contact(%{
          pos1: %{"lat" => 32.9, "lon" => -97.0},
          pos2: %{"lat" => 30.3, "lon" => -97.7}
        })

      _ =
        Repo.insert!(%HrrrProfile{
          valid_time: contact.qso_timestamp,
          lat: 32.9,
          lon: -97.0,
          profile: [
            %{"pres" => 1000.0, "tmpc" => 20.0, "dwpc" => 12.0, "hght" => 100.0},
            %{"pres" => 925.0, "tmpc" => 15.0, "dwpc" => 10.0, "hght" => 800.0},
            %{"pres" => 850.0, "tmpc" => 10.0, "dwpc" => 5.0, "hght" => 1500.0}
          ],
          hpbl_m: 1200.0,
          pwat_mm: 25.0,
          surface_temp_c: 20.0,
          surface_dewpoint_c: 12.0,
          surface_pressure_mb: 1012.0,
          surface_refractivity: 320.0,
          min_refractivity_gradient: -120.0,
          ducting_detected: false
        })

      _ =
        Repo.insert!(%TerrainProfile{
          contact_id: contact.id,
          sample_count: 100,
          path_points: [%{"km" => 0.0, "elev_m" => 200.0}, %{"km" => 295.0, "elev_m" => 250.0}],
          max_elevation_m: 450.0,
          min_clearance_m: 20.0,
          diffraction_db: 6.5,
          fresnel_hit_count: 3,
          obstructed_count: 1,
          verdict: "CLEAR"
        })

      _ =
        Repo.insert!(%ContactCommonVolumeRadar{
          contact_id: contact.id,
          observed_at: contact.qso_timestamp,
          common_volume_km2: 12_000.0,
          pixel_count: 500,
          rain_pixel_count: 5,
          heavy_rain_pixel_count: 0,
          max_dbz: 22.0,
          mean_dbz: 12.0,
          coverage_pct: 1.0
        })

      {:ok, station} =
        Weather.find_or_create_station(%{
          station_code: "KDFW",
          station_type: "asos",
          name: "DFW Airport",
          lat: 32.9,
          lon: -97.02
        })

      Repo.insert!(
        SurfaceObservation.changeset(%SurfaceObservation{}, %{
          station_id: station.id,
          observed_at: contact.qso_timestamp,
          temp_f: 72.0,
          dewpoint_f: 55.0,
          relative_humidity: 55.0,
          sea_level_pressure_mb: 1015.0
        })
      )

      {:ok, raob_station} =
        Weather.find_or_create_station(%{
          station_code: "KFWD",
          station_type: "sounding",
          name: "Fort Worth",
          lat: 32.83,
          lon: -97.30
        })

      Repo.insert!(
        Sounding.changeset(%Sounding{}, %{
          station_id: raob_station.id,
          observed_at: ~U[2026-03-28 12:00:00Z],
          profile: [
            %{"pres" => 1000.0, "tmpc" => 20.0, "dwpc" => 15.0, "hght" => 100.0},
            %{"pres" => 850.0, "tmpc" => 12.0, "dwpc" => 8.0, "hght" => 1500.0}
          ],
          level_count: 2,
          surface_temp_c: 20.0,
          surface_dewpoint_c: 15.0
        })
      )

      _ =
        Repo.insert!(%IemreObservation{
          date: ~D[2026-03-28],
          lat: 31.625,
          lon: -97.375,
          hourly: [
            %{"utc_hour" => 18, "air_temp_f" => 70.0, "dew_point_f" => 55.0, "skyc_pct" => 30.0}
          ]
        })

      contact
    end

    setup do
      ScoreCache.clear()
      :ok
    end

    test "fully populated contact renders every enrichment section", %{conn: conn} do
      contact = seed_fully_hydrated()

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      html = render_async(lv)

      # Headers / enrichment labels visible when data is present.
      assert html =~ contact.station1
      assert html =~ "Atmospheric Profile"
      assert html =~ "Surface Observations"
      assert html =~ "Soundings"
      # HRRR metadata exposed by build_hrrr_source.
      assert html =~ "1200"
      # Terrain verdict surfaced by terrain_summary.
      assert html =~ "Line of sight is clear"
    end

    test "handle_info :terrain_ready refreshes the terrain section", %{conn: conn} do
      contact = seed_fully_hydrated()

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      _ = render_async(lv)

      # Simulate the TerrainProfileWorker broadcast — the listener
      # recomputes elevation_profile and propagation_analysis and
      # re-renders without crashing.
      send(lv.pid, {:terrain_ready, contact.id})
      html = render(lv)
      assert html =~ contact.station1
    end

    test "handle_info ignores terrain_ready for unrelated contact", %{conn: conn} do
      contact = seed_fully_hydrated()

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      _ = render_async(lv)

      send(lv.pid, {:terrain_ready, Ecto.UUID.generate()})
      assert Process.alive?(lv.pid)
    end

    test "handle_info :sounding_fetched rehydrates the soundings table", %{conn: conn} do
      contact = seed_fully_hydrated()

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      _ = render_async(lv)

      send(lv.pid, {:sounding_fetched, %{contact_id: contact.id}})
      html = render(lv)
      assert html =~ "Soundings"
    end

    test "handle_info :sounding_fetched for a different contact is a no-op", %{conn: conn} do
      contact = seed_fully_hydrated()

      {:ok, lv, _html} = live(conn, ~p"/contacts/#{contact.id}")
      _ = render_async(lv)

      send(lv.pid, {:sounding_fetched, %{contact_id: Ecto.UUID.generate()}})
      assert Process.alive?(lv.pid)
    end

    test "flagged_invalid contact shows the Flagged Invalid badge", %{conn: conn} do
      contact = create_contact()

      {:ok, contact} =
        contact
        |> Ecto.Changeset.change(flagged_invalid: true)
        |> Repo.update()

      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")
      assert html =~ "Flagged Invalid"
      # Header station text gets line-through styling when flagged.
      assert html =~ "line-through"
    end

    test "owner sees an Edit button (not Suggest Edit) for their own contact", %{conn: conn} do
      import Microwaveprop.AccountsFixtures

      owner = user_fixture()

      {:ok, contact} =
        %Contact{}
        |> Contact.changeset(%{
          station1: owner.callsign,
          station2: "K5TR",
          qso_timestamp: ~U[2026-03-28 18:00:00Z],
          mode: "CW",
          band: Decimal.new("1296"),
          grid1: "EM12",
          grid2: "EM00",
          pos1: %{"lat" => 32.9, "lon" => -97.0},
          pos2: %{"lat" => 30.3, "lon" => -97.7},
          distance_km: Decimal.new("295"),
          user_submitted: true,
          submitter_email: owner.email
        })
        |> Ecto.Changeset.change(user_id: owner.id)
        |> Repo.insert()

      conn = log_in_user(conn, owner)
      {:ok, _lv, html} = live(conn, ~p"/contacts/#{contact.id}")

      # Owner gets the direct Edit label, not Suggest Edit.
      assert html =~ ">\n                Edit\n              </button>" or html =~ "Edit"
      refute html =~ "Suggest Edit"
    end
  end
end