using System;
using System.Collections.Generic;
using System.Text;
using UnityEngine;
using UnityEngine.SceneManagement;

namespace IllusionInjector
{
    public class PluginComponent : MonoBehaviour
    {
        private CompositePlugin plugins;
        private bool freshlyLoaded = false;
        private bool quitting = false;

        public static PluginComponent Create()
        {
            return new GameObject("IPA_PluginManager").AddComponent<PluginComponent>();
        }

        void Awake()
        {
            DontDestroyOnLoad(gameObject);

            plugins = new CompositePlugin(PluginManager.Plugins);
            plugins.OnApplicationStart();
            
            SceneManager.activeSceneChanged += OnActiveSceneChanged;
            SceneManager.sceneLoaded += OnSceneLoaded;
            SceneManager.sceneUnloaded += OnSceneUnloaded;
        }

        void Update()
        {
            if (freshlyLoaded)
            {
                freshlyLoaded = false;
            }
            plugins.OnUpdate();
        }

        void LateUpdate()
        {
            plugins.OnLateUpdate();
        }

        void FixedUpdate()
        {
            plugins.OnFixedUpdate();
        }

        void OnDestroy()
        {
            if (!quitting)
            {
                Create();
            }
        }
        
        void OnApplicationQuit()
        {
            SceneManager.activeSceneChanged += OnActiveSceneChanged;
            SceneManager.sceneLoaded += OnSceneLoaded;
            SceneManager.sceneUnloaded += OnSceneUnloaded;
            
            plugins.OnApplicationQuit();

            quitting = true;
        }

        void OnSceneLoaded(Scene scene, LoadSceneMode sceneMode)
        {
            plugins.OnSceneLoaded(scene, sceneMode);
            freshlyLoaded = true;
        }
        
        private void OnSceneUnloaded(Scene scene) {
            plugins.OnSceneUnloaded(scene);
        }

        private void OnActiveSceneChanged(Scene prevScene, Scene nextScene) {
            plugins.OnActiveSceneChanged(prevScene, nextScene);
        }

    }
}