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

namespace Michsky.LSS
{
	[AddComponentMenu("Loading Screen Studio/LSS Manager")]
	public class LSS_Manager : MonoBehaviour
	{
		public enum LoadingMode
		{
			Single = 0,
			Additive = 1
		}

		public LoadingMode loadingMode;

		public string presetName = "Default";

		public bool enableTrigger;

		public bool onTriggerExit;

		public bool loadWithTag;

		public bool startLoadingAtStart;

		public string objectTag;

		public string sceneName;

		[Range(0f, 10f)]
		public float audioFadeDuration = 2f;

		public List<AudioSource> audioSources = new List<AudioSource>();

		public Object[] loadingScreens;

		public int selectedLoadingIndex;

		public int selectedTagIndex;

		public UnityEvent onLoadingStart;

		public List<GameObject> dontDestroyOnLoad = new List<GameObject>();

		[SerializeField]
		private List<string> loadedScenes = new List<string>();

		private void Start()
		{
			if (startLoadingAtStart && loadingMode == LoadingMode.Single)
			{
				LoadScene(sceneName);
			}
			else if (startLoadingAtStart && loadingMode == LoadingMode.Additive)
			{
				LoadSceneAdditive(sceneName);
			}
		}

		public void SetPreset(string styleName)
		{
			presetName = styleName;
		}

		public void LoadScene(string sceneName, Sprite sceneImage = null)
		{
			LSS_LoadingScreen.presetName = presetName;
			LSS_LoadingScreen.LoadScene(sceneName, sceneImage);
			for (int i = 0; i < dontDestroyOnLoad.Count; i++)
			{
				Object.DontDestroyOnLoad(dontDestroyOnLoad[i]);
			}
			if (audioSources.Count != 0)
			{
				foreach (AudioSource audioSource in audioSources)
				{
					LSS_AudioSource lSS_AudioSource = audioSource.gameObject.AddComponent<LSS_AudioSource>();
					lSS_AudioSource.audioSource = audioSource;
					lSS_AudioSource.audioFadeDuration = audioFadeDuration;
					lSS_AudioSource.DoFadeOut();
				}
			}
			onLoadingStart.Invoke();
		}

		public void LoadSceneAdditive(string sceneName)
		{
			LSS_LoadingScreen.LoadSceneAdditive(sceneName, presetName);
			loadedScenes.Add(SceneManager.GetSceneByName(sceneName).name);
			if (audioSources.Count != 0)
			{
				foreach (AudioSource audioSource in audioSources)
				{
					if (!(audioSource == null))
					{
						LSS_AudioSource lSS_AudioSource = audioSource.gameObject.AddComponent<LSS_AudioSource>();
						lSS_AudioSource.audioSource = audioSource;
						lSS_AudioSource.audioFadeDuration = audioFadeDuration;
						lSS_AudioSource.DoFadeOut();
					}
				}
			}
			onLoadingStart.Invoke();
		}

		public void LoadSceneAdditiveInstant(string sceneName)
		{
			SceneManager.LoadScene(sceneName, LoadSceneMode.Additive);
			loadedScenes.Add(SceneManager.GetSceneByName(sceneName).name);
			if (audioSources.Count != 0)
			{
				foreach (AudioSource audioSource in audioSources)
				{
					if (!(audioSource == null))
					{
						LSS_AudioSource lSS_AudioSource = audioSource.gameObject.AddComponent<LSS_AudioSource>();
						lSS_AudioSource.audioSource = audioSource;
						lSS_AudioSource.audioFadeDuration = audioFadeDuration;
						lSS_AudioSource.DoFadeOut();
					}
				}
			}
			onLoadingStart.Invoke();
		}

		public void UnloadAdditiveScene(string sceneName)
		{
			SceneManager.UnloadSceneAsync(sceneName);
			loadedScenes.Remove(sceneName);
		}

		public void UnloadActiveAdditiveScenes()
		{
			foreach (string loadedScene in loadedScenes)
			{
				SceneManager.UnloadSceneAsync(loadedScene);
			}
			loadedScenes.Clear();
		}

		public void SetSingle()
		{
			loadingMode = LoadingMode.Single;
		}

		public void SetAdditive()
		{
			loadingMode = LoadingMode.Additive;
		}

		private void DoTriggerActions()
		{
			LSS_LoadingScreen.presetName = presetName;
			if (loadingMode == LoadingMode.Single)
			{
				LSS_LoadingScreen.LoadScene(sceneName);
			}
			if (loadingMode == LoadingMode.Additive)
			{
				LSS_LoadingScreen.LoadSceneAdditive(sceneName);
			}
		}

		private void OnTriggerEnter(Collider other)
		{
			if (enableTrigger && !onTriggerExit && (!loadWithTag || !(other.gameObject.tag != objectTag)))
			{
				DoTriggerActions();
			}
		}

		private void OnTriggerEnter2D(Collider2D other)
		{
			if (enableTrigger && !onTriggerExit && (!loadWithTag || !(other.gameObject.tag != objectTag)))
			{
				DoTriggerActions();
			}
		}

		private void OnTriggerExit(Collider other)
		{
			if (enableTrigger && onTriggerExit && (!loadWithTag || !(other.gameObject.tag != objectTag)))
			{
				DoTriggerActions();
			}
		}

		private void OnTriggerExit2D(Collider2D other)
		{
			if (enableTrigger && onTriggerExit && (!loadWithTag || !(other.gameObject.tag != objectTag)))
			{
				DoTriggerActions();
			}
		}
	}
}