defmodule SimpleshopThemeWeb.ShopLive.CollectionTest do
  use SimpleshopThemeWeb.ConnCase, async: false

  import Phoenix.LiveViewTest

  alias SimpleshopTheme.Theme.PreviewData

  describe "Collection page" do
    test "renders collection page for /collections/all", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/collections/all")

      assert html =~ "All Products"
    end

    test "renders collection page for specific category", %{conn: conn} do
      category = List.first(PreviewData.categories())
      {:ok, _view, html} = live(conn, ~p"/collections/#{category.slug}")

      assert html =~ category.name
    end

    test "displays products", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/collections/all")

      products = PreviewData.products()
      first_product = List.first(products)

      assert html =~ first_product.name
    end

    test "displays category filter buttons", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/collections/all")

      categories = PreviewData.categories()

      for category <- categories do
        assert html =~ category.name
      end
    end

    test "displays sort dropdown", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/collections/all")

      assert html =~ "Featured"
      assert html =~ "Newest"
      assert html =~ "Price: Low to High"
      assert html =~ "Price: High to Low"
      assert html =~ "Name: A-Z"
      assert html =~ "Name: Z-A"
    end

    test "redirects to /collections/all for unknown category", %{conn: conn} do
      {:error, {:live_redirect, %{to: to, flash: flash}}} =
        live(conn, ~p"/collections/nonexistent")

      assert to == "/collections/all"
      assert flash["error"] == "Collection not found"
    end

    test "filters products by category", %{conn: conn} do
      category = List.first(PreviewData.categories())
      {:ok, _view, html} = live(conn, ~p"/collections/#{category.slug}")

      products = PreviewData.products_by_category(category.slug)

      for product <- products do
        assert html =~ product.name
      end
    end
  end

  describe "Sorting" do
    test "sorts by price ascending", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/collections/all")

      html =
        view
        |> element("form[phx-change='sort_changed']")
        |> render_change(%{sort: "price_asc"})

      assert html =~ "Price: Low to High"
    end

    test "sorts by price descending", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/collections/all")

      html =
        view
        |> element("form[phx-change='sort_changed']")
        |> render_change(%{sort: "price_desc"})

      assert html =~ "Price: High to Low"
    end

    test "sorts by name ascending", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/collections/all")

      html =
        view
        |> element("form[phx-change='sort_changed']")
        |> render_change(%{sort: "name_asc"})

      assert html =~ "Name: A-Z"
    end

    test "sorts by name descending", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/collections/all")

      html =
        view
        |> element("form[phx-change='sort_changed']")
        |> render_change(%{sort: "name_desc"})

      assert html =~ "Name: Z-A"
    end

    test "sort parameter is preserved in URL", %{conn: conn} do
      {:ok, view, _html} = live(conn, ~p"/collections/all?sort=price_asc")

      html = render(view)

      assert html =~ "selected"
    end

    test "default sort is featured", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/collections/all")

      assert html =~ ~r/<option[^>]*value="featured"[^>]*selected/
    end
  end

  describe "Navigation" do
    test "category links preserve sort order", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/collections/all?sort=price_desc")

      category = List.first(PreviewData.categories())
      assert html =~ "/collections/#{category.slug}?sort=price_desc"
    end

    test "All button link preserves sort order", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/collections/art-prints?sort=name_asc")

      assert html =~ "/collections/all?sort=name_asc"
    end

    test "featured sort does not include query param in links", %{conn: conn} do
      {:ok, _view, html} = live(conn, ~p"/collections/all")

      category = List.first(PreviewData.categories())
      assert html =~ ~s(href="/collections/#{category.slug}")
      refute html =~ "/collections/#{category.slug}?sort=featured"
    end
  end
end
