defmodule BerrypodWeb.Admin.NewsletterTest do
  use BerrypodWeb.ConnCase, async: true

  import Phoenix.LiveViewTest
  import Berrypod.AccountsFixtures
  import Berrypod.NewsletterFixtures

  alias Berrypod.Newsletter

  setup %{conn: conn} do
    user = user_fixture()
    conn = log_in_user(conn, user)
    %{conn: conn, user: user}
  end

  describe "overview tab" do
    test "shows newsletter toggle", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/admin/newsletter")

      assert has_element?(view, "[role=switch]")
    end

    test "toggles newsletter enabled", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/admin/newsletter")

      refute Newsletter.newsletter_enabled?()

      view |> element("[role=switch]") |> render_click()

      assert Newsletter.newsletter_enabled?()
    end

    test "shows subscriber counts", %{conn: conn} do
      confirmed_subscriber_fixture(email: "a@example.com")
      confirmed_subscriber_fixture(email: "b@example.com")

      {:ok, _view, html} = live(conn, ~p"/admin/newsletter")

      assert html =~ "2"
      assert html =~ "Confirmed"
    end
  end

  describe "subscribers tab" do
    test "lists subscribers", %{conn: conn} do
      confirmed_subscriber_fixture(email: "listed@example.com")

      {:ok, view, _html} = live(conn, ~p"/admin/newsletter?tab=subscribers")

      assert has_element?(view, "#subscribers")
      assert render(view) =~ "listed@example.com"
    end

    test "filters by status", %{conn: conn} do
      confirmed_subscriber_fixture(email: "confirmed@example.com")

      {:ok, view, _html} = live(conn, ~p"/admin/newsletter?tab=subscribers")

      # Filter to confirmed only
      view |> element("button", "Confirmed") |> render_click()

      assert render(view) =~ "confirmed@example.com"
    end

    test "searches subscribers", %{conn: conn} do
      confirmed_subscriber_fixture(email: "findme@example.com")
      confirmed_subscriber_fixture(email: "other@example.com")

      {:ok, view, _html} = live(conn, ~p"/admin/newsletter?tab=subscribers")

      view |> element("form") |> render_change(%{search: "findme"})

      html = render(view)
      assert html =~ "findme@example.com"
      refute html =~ "other@example.com"
    end

    test "deletes subscriber", %{conn: conn} do
      confirmed_subscriber_fixture(email: "deleteme@example.com")

      {:ok, view, _html} = live(conn, ~p"/admin/newsletter?tab=subscribers")

      assert render(view) =~ "deleteme@example.com"

      view |> element("button", "Delete") |> render_click()

      refute render(view) =~ "deleteme@example.com"
    end
  end

  describe "campaigns tab" do
    test "lists campaigns", %{conn: conn} do
      campaign_fixture(subject: "Test campaign")

      {:ok, view, _html} = live(conn, ~p"/admin/newsletter?tab=campaigns")

      assert render(view) =~ "Test campaign"
    end

    test "deletes draft campaign", %{conn: conn} do
      campaign_fixture(subject: "Delete me")

      {:ok, view, _html} = live(conn, ~p"/admin/newsletter?tab=campaigns")

      assert render(view) =~ "Delete me"

      view |> element("button", "Delete") |> render_click()

      refute render(view) =~ "Delete me"
    end

    test "links to new campaign form", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/admin/newsletter?tab=campaigns")

      assert has_element?(view, "a[href='/admin/newsletter/campaigns/new']")
    end
  end

  describe "GET /admin/newsletter/export" do
    test "downloads CSV of subscribers", %{conn: conn} do
      confirmed_subscriber_fixture(email: "export@example.com")

      conn = get(conn, ~p"/admin/newsletter/export")

      assert response_content_type(conn, :csv) =~ "text/csv"
      assert get_resp_header(conn, "content-disposition") |> hd() =~ "attachment"
      assert conn.resp_body =~ "export@example.com"
      assert conn.resp_body =~ "email,status"
    end
  end
end