using System;
using System.Reflection;
using ADOFAIRenderer;
using ADOFAIRenderer.Component;
using ADOFAIRenderer.Util;
using MelonLoader;
using UnityEngine;
using UnityEngine.EventSystems;
using Object = UnityEngine.Object;

[assembly: MelonInfo(typeof(RenderMod), "ADOFAI Renderer", "0.0.2-INDEV", "ADOFAI Editor Forum")]
[assembly: MelonGame("7th Beat Games", "A Dance of Fire and Ice")]

namespace ADOFAIRenderer
{

    public class RenderMod : MelonMod
    {
        public static AssetBundle FontBundle = null!;
        public static AssetBundle SceneBundle = null!;
        public static bool WatchGameLoaded;
        public static string[] ModScenes = {};

        private static double _beforeTime = 0;

        public static bool IsRendering = false;
        public static bool IsCapturing = false;
        
        public override void OnInitializeMelon()
        {
            var renderManagerObj = new GameObject("Render Manager");
            var updateHookerObj = new GameObject("Update Hooker");
            Object.DontDestroyOnLoad( renderManagerObj );
            Object.DontDestroyOnLoad( updateHookerObj );
            
            renderManagerObj.AddComponent<RenderManager>();
            updateHookerObj.AddComponent<FirstUpdate>();
            LoadBundles();
        }

        private static void LoadBundles()
        {
            FontBundle = BundleLoader.GetBundle("fonts");
            SceneBundle = BundleLoader.GetBundle("scenes");
            ModScenes = SceneBundle.GetAllScenePaths();
        }
        
        public static void FixEventSystem()
        {
            if (EventSystem.current == null) return;
            var currentModule = EventSystem.current.currentInputModule;

            if (currentModule != null) return;
            MelonLogger.Msg("Unity 6 인풋 모듈 이식.");
            
            var newModule = EventSystem.current.gameObject.AddComponent<StandaloneInputModule>();
            newModule.enabled = true;
        }

        public static void OnFirstUpdate()
        {
            if (_beforeTime == 0) _beforeTime = Time.realtimeSinceStartupAsDouble;
            
            var realDeltaTime = Time.realtimeSinceStartupAsDouble - _beforeTime;
            _beforeTime = Time.realtimeSinceStartupAsDouble;
            
            if (!IsRendering) return;
            RenderManager.FrameCount++;

            Time.timeScale = (float)(Time.deltaTime / realDeltaTime);
        }

        public static void StartRender()
        {
            var targetMethod = typeof(scnEditor).GetMethod("TryApplicationQuit",
                BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Public);

            if (targetMethod == null || scnEditor.instance == null) return;
            if (ADOBase.levelPath.IsNullOrEmpty())
            {
                scnEditor.instance.TryQuitToMenu();
                return;
            }
            
            RenderManager.LevelPath = ADOBase.levelPath;
            
            scnEditor.instance.CheckUnsavedChanges(() =>
            {
                var quitDelegate =
                    (Func<bool>)Delegate.CreateDelegate(typeof(Func<bool>), scnEditor.instance, targetMethod);
                
                Application.wantsToQuit -= quitDelegate;
                ADOBase.loader.LoadSceneWithTransition(WipeDirection.StartsFromRight, "Assets/Scenes/RenderSettingsScene.unity");
            });
        }
    }
}