using HarmonyLib;
using System.Reflection;
using Telerik.WinControls;
using Telerik.WinControls.UI;

namespace Pilz.UI.Telerik.Patches.TelerikUiForWinForms;

[HarmonyPatch(typeof(RadTextBoxControl))]
[HarmonyPatch("ProcessAutoSizeChanged")]
internal class RadTextBoxControl_PreventAutoStretchOnAutoSize
{
    private static readonly MethodInfo m_get_RootElement = AccessTools.PropertyGetter(typeof(RadControl), nameof(RadControl.RootElement));

    public static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
    {
        var ignored = 0;
        var ignoring = false;
        int getRootelementCallcount = 0;

        foreach (var instruction in instructions)
        {
            if (instruction.Calls(m_get_RootElement))
            {
                getRootelementCallcount += 1;
                if (getRootelementCallcount == 2)
                    ignoring = true;
            }
            if (ignoring)
            {
                if (ignored >= 4)
                    ignoring = false;
                else
                {
                    ignored += 1;
                    continue;
                }
            }
            yield return instruction;
        }
    }
}