using MongoDB.Entities;

using PrivaPub.Domain.Privacy;
using PrivaPub.Models.Group;
using PrivaPub.Models.Post;
using PrivaPub.Tests.Support;

using GroupEntity = PrivaPub.Models.Group.Group;

namespace PrivaPub.Tests.Domain
{
	[Trait("Category", "Integration")]
	public class VisibilityPolicyTests
	{
		[Fact]
		public async Task Who_sees_what()
		{
			Assert.SkipUnless(MongoFixture.Enabled, MongoFixture.Skip);
			var token = TestContext.Current.CancellationToken;
			var conversation = new DmGroup { Members = new() { new GroupMember { AvatarId = "alice" }, new GroupMember { AvatarId = "https://r.example/u/bob", IsForeign = true } } };
			var circle = new GroupEntity { UserName = $"c{Guid.NewGuid():N}"[..20], Members = new() { new GroupMember { AvatarId = "carol" } } };
			await DB.Default.SaveAsync(conversation, token);
			await DB.Default.SaveAsync(circle, token);

			var direct = new Post { Visibility = PostVisibility.Direct, ConversationId = conversation.ID, GroupUserId = "dave" };
			var circlePost = new Post { Visibility = PostVisibility.Circle, GroupId = circle.ID };
			var followersOnly = new Post { Visibility = PostVisibility.FollowersOnly, Mentions = new() { new PostMention { IsLocal = true, AccountId = "erin" } } };
			var deleted = new Post { Visibility = PostVisibility.Public, DeletedAt = DateTime.UtcNow };

			Assert.True(await VisibilityPolicy.CanSee(new Post(), default, token));
			Assert.True(await VisibilityPolicy.CanSee(direct, "alice", token));
			Assert.True(await VisibilityPolicy.CanSee(direct, "dave", token));
			Assert.False(await VisibilityPolicy.CanSee(direct, "carol", token));
			Assert.False(await VisibilityPolicy.CanSee(direct, default, token));
			Assert.True(await VisibilityPolicy.CanSee(circlePost, "carol", token));
			Assert.False(await VisibilityPolicy.CanSee(circlePost, "alice", token));
			Assert.True(await VisibilityPolicy.CanSee(followersOnly, "erin", token));
			Assert.False(await VisibilityPolicy.CanSee(followersOnly, "alice", token));
			Assert.False(await VisibilityPolicy.CanSee(deleted, "alice", token));
		}
	}
}