using RadicadeServer.RecNet.Rooms;
using Xunit;

namespace RadicadeServer.Tests;

/// <summary>
/// Tests the scene-location rules behind <see cref="SubRoom.UnitySceneId"/>. The client
/// rejects a room-entry response whose "location" isn't a known Unity scene GUID
/// ("RecNet room scene contains unknown scene location ID"), so subrooms must never carry
/// null/empty/placeholder/non-GUID scene ids.
/// </summary>
public class SceneLocationsTests
{
    [Theory]
    [InlineData("a75f7547-79eb-47c6-8986-6767abcb4f92")]
    [InlineData("76d98498-60a1-430c-ab76-b54a29b7a163")]
    public void IsValid_AcceptsRealSceneGuids(string id)
    {
        Assert.True(SceneLocations.IsValid(id));
    }

    [Theory]
    [InlineData(null)]
    [InlineData("")]
    [InlineData("   ")]
    [InlineData("unknown")]
    [InlineData("UNKNOWN")]
    [InlineData("none")]
    [InlineData("null")]
    [InlineData("not-a-guid")]
    public void IsValid_RejectsNullEmptyPlaceholderAndGarbage(string? id)
    {
        Assert.False(SceneLocations.IsValid(id));
    }

    [Fact]
    public void ResolveFallback_PicksFirstValidSibling()
    {
        var result = SceneLocations.ResolveFallback(
            new[] { "unknown", null, "acc06e66-c2d0-4361-b0cd-46246a4c455c" },
            isDorm: false);

        Assert.Equal("acc06e66-c2d0-4361-b0cd-46246a4c455c", result);
    }

    [Fact]
    public void ResolveFallback_UsesDormSceneForDorms()
    {
        var result = SceneLocations.ResolveFallback(new string?[] { "unknown", "" }, isDorm: true);

        Assert.Equal(SceneLocations.Dorm, result);
    }

    [Fact]
    public void ResolveFallback_UsesMakerRoomForNonDorms()
    {
        var result = SceneLocations.ResolveFallback(new string?[] { null }, isDorm: false);

        Assert.Equal(SceneLocations.MakerRoom, result);
    }
}