using Iceshrimp.Shared.Schemas;

namespace Iceshrimp.Frontend.Core.Services.StateServicePatterns;

public class VirtualScroller
{
    private Dictionary<string, VirtualScrollerState> States { get; } = new();
        
    public void SetState(string id, VirtualScrollerState state)
    {
        States[id] = state;
    }

    public VirtualScrollerState GetState(string id)
    {
        States.TryGetValue(id, out var state);
        return state ?? throw new ArgumentException($"Requested state '{id}' does not exist.");
    }
}

public class VirtualScrollerState
{
    public List<NoteResponse>      RenderedList = [];
    public Dictionary<string, int> Height       = new();
    public int                     PadTop       = 0;
    public int                     PadBottom    = 0;
    public float                   ScrollTop    = 0;

}