defmodule ToweropsWeb.CoverageLive.FormTest do
  use ToweropsWeb.ConnCase

  import Phoenix.LiveViewTest
  import Towerops.CoveragesFixtures
  import Towerops.OrganizationsFixtures

  setup :register_and_log_in_user

  setup %{conn: conn, user: user} do
    org = organization_fixture(user.id)
    site = site_fixture(org.id, %{latitude: 30.27, longitude: -97.74})
    conn = Plug.Conn.put_session(conn, :current_organization_id, org.id)

    %{conn: conn, org: org, site: site}
  end

  describe "new" do
    test "renders the new-coverage form", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/coverage/new")
      assert html =~ ~r/New Coverage|Coverage/
    end

    test "validate event re-renders with errors for blank name", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/coverage/new")

      html =
        view
        |> form("form", coverage: %{"name" => ""})
        |> render_change()

      assert html =~ "Coverage"
    end

    test "requires authentication" do
      conn = build_conn()
      assert {:error, {:redirect, %{to: path}}} = live(conn, ~p"/coverage/new")
      assert path =~ "/users/log-in"
    end
  end

  describe "edit" do
    test "renders the edit form populated with the existing coverage", %{conn: conn, org: org, site: site} do
      cov = coverage_fixture(org.id, site.id, %{name: "EditMe"})

      {:ok, _view, html} = live(conn, ~p"/coverage/#{cov.id}/edit")
      assert html =~ "EditMe"
    end

    test "404 for unknown coverage", %{conn: conn} do
      assert_raise Ecto.NoResultsError, fn ->
        live(conn, ~p"/coverage/#{Ecto.UUID.generate()}/edit")
      end
    end
  end

  describe "save" do
    test "saving with invalid attrs re-renders the form with errors", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/coverage/new")

      html =
        view
        |> form("form", coverage: %{"name" => "", "antenna_slug" => "simulate-isotropic-omni-0"})
        |> render_submit()

      # Either an inline error or the form re-rendered (no redirect).
      assert html =~ ~r/Coverage|blank|required/
    end
  end

  describe "location_picked / use_site_location events" do
    test "location_picked stages the lat/lon override on the changeset", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/coverage/new")

      assert render_hook(view, "location_picked", %{"lat" => 30.27, "lon" => -97.74})
    end

    test "use_site_location clears the lat/lon override", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/coverage/new")
      assert render_click(view, "use_site_location", %{})
    end
  end

  describe "edit save" do
    test "edit save with valid attrs redirects to show", %{conn: conn, org: org, site: site} do
      cov = Towerops.CoveragesFixtures.coverage_fixture(org.id, site.id)

      {:ok, view, _html} = live(conn, ~p"/coverage/#{cov.id}/edit")

      result =
        view
        |> form("form", coverage: %{"name" => "Renamed Coverage"})
        |> render_submit()

      valid? =
        is_binary(result) or match?({:error, {:redirect, _}}, result) or
          match?({:error, {:live_redirect, _}}, result)

      assert valid?
    end

    test "edit save with invalid name re-renders the form", %{
      conn: conn,
      org: org,
      site: site
    } do
      cov = Towerops.CoveragesFixtures.coverage_fixture(org.id, site.id)

      {:ok, view, _html} = live(conn, ~p"/coverage/#{cov.id}/edit")

      html =
        view
        |> form("form", coverage: %{"name" => ""})
        |> render_submit()

      assert is_binary(html) and byte_size(html) > 0
    end
  end

  describe "validate event triggers EIRP recompute" do
    test "validate event with antenna_slug computes a non-zero EIRP", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/coverage/new")

      html =
        view
        |> form("form",
          coverage: %{
            "name" => "Test",
            "antenna_slug" => "simulate-isotropic-omni-0",
            "tx_power_dbm" => "20.0"
          }
        )
        |> render_change()

      assert is_binary(html) and byte_size(html) > 0
    end

    test "validate event with bogus number string falls back gracefully", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/coverage/new")

      html =
        view
        |> form("form",
          coverage: %{
            "name" => "Test",
            "antenna_slug" => "simulate-isotropic-omni-0",
            "tx_power_dbm" => "not-a-number"
          }
        )
        |> render_change()

      assert is_binary(html) and byte_size(html) > 0
    end
  end
end