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

  import Microwaveprop.AccountsFixtures
  import Phoenix.LiveViewTest

  alias Microwaveprop.Radio.Contact
  alias Microwaveprop.Repo

  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 "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_by=station1&sort_order=asc")

      # AA1AA should appear before ZZ9ZZ
      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")
      assert html =~ "W5LUA"
      refute html =~ "K5TR"
    end

    test "search by two callsigns finds contacts between that pair", %{conn: conn} do
      create_contact(%{station1: "W5LUA", station2: "W5HN"})
      create_contact(%{station1: "W5HN", station2: "W5LUA"})
      create_contact(%{station1: "W5LUA", station2: "K5TR"})

      {:ok, _lv, html} = live(conn, ~p"/contacts?search=W5LUA+W5HN")
      assert html =~ "W5LUA"
      assert html =~ "W5HN"
      # The W5LUA-K5TR contact should not appear
      refute html =~ "K5TR"
    end

    test "pagination works", %{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})
      end

      {:ok, _lv, html} = live(conn, ~p"/contacts")
      assert html =~ "Page 1 of 2"

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

    test "Submitted column shows the user's callsign when linked to an account", %{conn: conn} do
      user = user_fixture(%{callsign: "W5UNIQ"})
      create_contact(%{station1: "K5ONE", user_submitted: true, user_id: user.id})

      {:ok, _lv, html} = live(conn, ~p"/contacts?search=K5ONE")
      assert html =~ "W5UNIQ"
    end

    test "Submitted column shows 'Yes' when user_submitted but no user linked", %{conn: conn} do
      create_contact(%{station1: "K5ANON", user_submitted: true, user_id: nil})

      {:ok, _lv, html} = live(conn, ~p"/contacts?search=K5ANON")
      # Locate the row containing our station and assert "Yes" appears in it
      [row] = Regex.run(~r/<tr[^>]*>(?:(?!<\/tr>).)*K5ANON(?:(?!<\/tr>).)*<\/tr>/s, html) || [""]
      assert row =~ ">Yes<"
    end

    test "Submitted column shows dash for scraped contacts", %{conn: conn} do
      create_contact(%{station1: "K5SCRAPE", user_submitted: false})

      {:ok, _lv, html} = live(conn, ~p"/contacts?search=K5SCRAPE")
      [row] = Regex.run(~r/<tr[^>]*>(?:(?!<\/tr>).)*K5SCRAPE(?:(?!<\/tr>).)*<\/tr>/s, html) || [""]
      refute row =~ ">Yes<"
    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

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