using Harmony;
using OWML.ModHelper.Events;
using System.Collections.Generic;
using System.Reflection.Emit;
using UnityEngine;

namespace QSB.DeathSync
{
	public class PreventShipDestruction : MonoBehaviour
	{
		public void Awake()
		{
			QSBCore.Helper.HarmonyHelper.Transpile<ShipDetachableLeg>("Detach", typeof(Patch), nameof(Patch.ReturnNull));
			QSBCore.Helper.HarmonyHelper.Transpile<ShipDetachableModule>("Detach", typeof(Patch), nameof(Patch.ReturnNull));

			QSBCore.Helper.HarmonyHelper.EmptyMethod<ShipEjectionSystem>("OnPressInteract");

			QSBCore.Helper.Events.Subscribe<ShipDamageController>(OWML.Common.Events.AfterAwake);
			QSBCore.Helper.Events.Event += OnEvent;
		}

		private void OnEvent(MonoBehaviour behaviour, OWML.Common.Events ev)
		{
			if (behaviour is ShipDamageController shipDamageController &&
				ev == OWML.Common.Events.AfterAwake)
			{
				shipDamageController.SetValue("_exploded", true);
			}
		}

		private static class Patch
		{
			public static IEnumerable<CodeInstruction> ReturnNull(IEnumerable<CodeInstruction> instructions)
			{
				return new List<CodeInstruction>
				{
					new CodeInstruction(OpCodes.Ldnull),
					new CodeInstruction(OpCodes.Ret)
				};
			}
		}
	}
}