using System.Linq;
using System.Reflection;
using UnityEngine;

namespace MU3.TestMode;

internal class patch_TestModePageTop: TestModePageTop {
    GameObject _testModePageModConfig;

    protected override void createItems() {
        _bottomMargin = 0.22f;

        _testModePageModConfig = new("TestModePageModConfig");
        _testModePageModConfig.SetActive(false);
        _testModePageModConfig.transform.SetParent(transform.parent);
        _testModePageModConfig.AddComponent<Mod.TestModePageModConfig>();

        FieldInfo fi = typeof(TestModePage).GetField("_itemDefines", BindingFlags.Instance | BindingFlags.NonPublic);
        var defines = ((ItemDefine[])fi.GetValue(this)).ToList();

        var n = defines.Count;
        defines.Insert(n - 1, new() {
            lineNumber = n - 1,
            label = "MODS",
            isSelectable = true,
            hasValueField = false,
            numValueField = 0,
            nextPagePrefab = _testModePageModConfig,
            isFinishOnSelect = false,
            isDefaultSelection = false,
        });

        // The exit button
        defines.Last().lineNumber += 1;

        fi.SetValue(this, defines.ToArray());

        base.createItems();
    }
}