using System;
using System.Linq;

public class DisplayFusionFunction
{
    public static void Run(IntPtr windowHandle)
    {
        string currentProfile = BFS.DisplayFusion.GetCurrentWallpaperProfile();
        string[] profiles = BFS.DisplayFusion.GetWallpaperProfiles();

        if (profiles == null || profiles.Length == 0)
            return;

        // Find current profile index
        int currentIndex = Array.FindIndex(
            profiles,
            p => string.Equals(p, currentProfile, StringComparison.OrdinalIgnoreCase)
        );

        // If not found, just load the first profile
        if (currentIndex < 0)
        {
            BFS.DisplayFusion.LoadWallpaperProfile(profiles[0]);
            return;
        }

        // Move to next profile, wrapping around
        int nextIndex = (currentIndex + 1) % profiles.Length;

        // If next is the same as current (only one profile exists), do nothing
        if (nextIndex == currentIndex)
            return;

        BFS.DisplayFusion.LoadWallpaperProfile(profiles[nextIndex]);
    }
}