using System.Text.Json.Nodes;

using decePubClient.E2E.Support;

using Microsoft.Playwright;

namespace decePubClient.E2E.Actions
{
	// Notifications as groups: two likes of one post are one card naming both, the tab's badge counts what is unread, and
	// reading the tab moves the marker so PrivaPub counts nothing unread
	public sealed class NotificationTests(Browser browser)
	{
		[Fact]
		public async Task Two_likes_of_one_post_are_one_card_and_reading_them_clears_the_badge()
		{
			var personas = Pasture.Personas();
			Assert.SkipWhen(personas.Count < 3, "the town has fewer than three personas");
			var (author, first, second) = (personas[0], personas[1], personas[2]);
			var post = (await PersonaApi.Call(author, "/api/v1/statuses", HttpMethod.Post,
				new JsonObject { ["status"] = $"like me {Guid.NewGuid():N}"[..16], ["visibility"] = "public" }))!;
			var id = post["id"]!.GetValue<string>();
			await using var session = await SignIn.As(browser, author);
			var page = session.Page;
			try
			{
				await PersonaApi.Call(first, $"/api/v1/statuses/{id}/favourite", HttpMethod.Post);
				await PersonaApi.Call(second, $"/api/v1/statuses/{id}/favourite", HttpMethod.Post);
				await Results.Cell("client.render.notification-group", "privapub", author.UserName, async () =>
				{
					await page.GotoAsync($"{Pasture.Site}/");
					await page.EvaluateAsync("() => localStorage.removeItem('FeedFilter')");
					await page.GotoAsync($"{Pasture.Site}/");
					await page.Locator("[data-unread]").WaitForAsync(new() { Timeout = 30000 });

					await page.GetByRole(AriaRole.Tab).Filter(new() { Has = page.Locator(".ion-md-notifications") }).ClickAsync();
					var card = page.Locator($"article[data-uri='{post["uri"]!.GetValue<string>()}']").Filter(new() { Has = page.Locator("[data-notification='favourite']") });
					await card.WaitForAsync(new() { Timeout = 30000 });
					await Assertions.Expect(card.Locator("[data-notification='favourite']")).ToHaveAttributeAsync("data-count", "2");
					await Assertions.Expect(card).ToContainTextAsync($"{second.Name} and {first.Name} favourited your post");
					Assert.True(await Pasture.Eventually(async () =>
						(await PersonaApi.Call(author, "/api/v2/notifications/unread_count"))!["count"]!.GetValue<int>() == 0, 15), "reading the tab left notifications unread");
					await Assertions.Expect(page.Locator("[data-unread]")).ToHaveCountAsync(0);
					await session.AssertGuards();
				}, page);
			}
			finally
			{
				await PersonaApi.Call(author, $"/api/v1/statuses/{id}", HttpMethod.Delete);
			}
		}
	}
}