using System;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class DialogueManager : MonoBehaviour
{
	#region Statication

	public static DialogueManager instance;

	private void Awake()
	{
		if (instance != null && instance != this)
		{
			Destroy(gameObject);
			return;
		}
		instance = this;
	}

	#endregion
	[Header("Status")]
	public DialogueScript scriptToShow;
	public int currentText;
	public bool dialogueActive;
	[Header("UI")] 
	[SerializeField] private GameObject dialogueUI;
	[SerializeField] private Transform bossSpeechBubble;
	[SerializeField] private Vector3 offset;
	[SerializeField] private TextMeshProUGUI bossText;
	[SerializeField] private GameObject youmuSpeechBubble;
	[SerializeField] private TextMeshProUGUI youmuText;
	[SerializeField] private GameObject reisenSpeechBubble; //have to change the dialogue for this but it's probably fine
	[SerializeField] private TextMeshProUGUI reisenText;
	[SerializeField] private GameObject merlinSpeechBubble; //hell
	[SerializeField] private TextMeshProUGUI merlinText;
	[SerializeField] private GameObject lyricaSpeechBubble; 
	[SerializeField] private TextMeshProUGUI lyricaText;
	[SerializeField] private GameObject lunasaSpeechBubble; 
	[SerializeField] private TextMeshProUGUI lunasaText;
	[Header("Animation")]
	[SerializeField] private Animator reisenAnimator;
	[SerializeField] private Animator youmuAnimator;
	[SerializeField] private string switchToDialogueTrigger;
	[SerializeField] private string switchToIdleTrigger;
	[SerializeField] private string changeDialogueTrigger;
	[SerializeField] private string talkTrigger;
	public Animator battleUIAnimator;
	[SerializeField] private string dialogueStartTrigger;
	[SerializeField] private string dialogueEndTrigger;
	public string nobossTrigger;
	
	public void StartDialogue(DialogueScript newDialogue)
	{
		GameManager.instance.canPause = false;
		dialogueUI.SetActive(true);
		WaveManager.instance.bossUI.SetActive(false);
		dialogueActive = true;
		currentText = 0;
		scriptToShow = newDialogue;
		WaveManager.instance.player.invulnerable = true;
		battleUIAnimator.SetTrigger(dialogueStartTrigger);
		DialogueScript.Dialogue currentDialogue = scriptToShow.dialogueList[currentText];
		if (WaveManager.instance.bossInstance)
		{
			bossSpeechBubble.position = WaveManager.instance.bossInstance.transform.position + offset;
			WaveManager.instance.musicSource.clip = WaveManager.instance.bossDialogueLoop;
			WaveManager.instance.musicSource.Play();
		}
		if (WaveManager.instance.lyricaInstance)
		{
			WaveManager.instance.lyricaInstance.isStalled = true;
			lunasaSpeechBubble.transform.position = WaveManager.instance.lunasaInstance.transform.position + offset;
			merlinSpeechBubble.transform.position = WaveManager.instance.merlinInstance.transform.position + offset;
			lyricaSpeechBubble.transform.position = WaveManager.instance.lyricaInstance.transform.position + offset;
			WaveManager.instance.musicSource.clip = WaveManager.instance.finalDialogueLoop;
			WaveManager.instance.musicSource.Play();
		}
		SetDialogue(currentDialogue);
		reisenAnimator.SetTrigger(switchToDialogueTrigger);
		youmuAnimator.SetTrigger(switchToDialogueTrigger);
		//GameManager.instance.SetPause(true);
	}

	public void ContinueDialogue()
	{
		currentText++;
		if (currentText >= scriptToShow.dialogueList.Length)
		{
			EndDialogue();
			return;
		}
		DialogueScript.Dialogue currentDialogue = scriptToShow.dialogueList[currentText];
		SetDialogue(currentDialogue);
	}

	public void EndDialogue()
	{
		dialogueActive = false;
		dialogueUI.SetActive(false);
		WaveManager.instance.player.isStalled = false;
		WaveManager.instance.player.invulnerable = false;
		GameManager.instance.canPause = true;
		battleUIAnimator.SetTrigger(dialogueEndTrigger);
		if (WaveManager.instance.bossInstance)
		{
			WaveManager.instance.bossInstance.isStalled = false;
			WaveManager.instance.bossInstance.animator.SetTrigger(changeDialogueTrigger);
			WaveManager.instance.musicSource.clip = WaveManager.instance.bossMusic;
			WaveManager.instance.musicSource.Play();
		}
		if (WaveManager.instance.lunasaInstance)
		{
			WaveManager.instance.lunasaInstance.isStalled = false;
			WaveManager.instance.merlinInstance.isStalled = false;
			WaveManager.instance.lyricaInstance.isStalled = false;
			WaveManager.instance.lyricaInstance.animator.SetTrigger(changeDialogueTrigger);
			WaveManager.instance.merlinInstance.animator.SetTrigger(changeDialogueTrigger);
			WaveManager.instance.lunasaInstance.animator.SetTrigger(changeDialogueTrigger);
			WaveManager.instance.musicSource.clip = WaveManager.instance.finalMusic;
			WaveManager.instance.musicSource.Play();
		}
		//GameManager.instance.SetPause(false);
		WaveManager.instance.bossUI.SetActive(true);
		WaveManager.instance.musicSource.Play();
		reisenAnimator.SetTrigger(switchToIdleTrigger);
		youmuAnimator.SetTrigger(switchToIdleTrigger);
		
	}

	private void SetDialogue(DialogueScript.Dialogue textToShow)
	{
		reisenSpeechBubble.SetActive(false);
		youmuSpeechBubble.SetActive(false);
		bossSpeechBubble.gameObject.SetActive(false);
		lyricaSpeechBubble.SetActive(false);
		merlinSpeechBubble.SetActive(false);
		lunasaSpeechBubble.SetActive(false);
		switch (textToShow.character.thisCharacter) //everyone will hate this code but that's alright
		{
			case DialogueCharacter.Character.Reisen:
				reisenSpeechBubble.SetActive(true);
				reisenText.text = textToShow.text;
				youmuAnimator.SetTrigger(changeDialogueTrigger);
				reisenAnimator.SetTrigger(talkTrigger);
				if (WaveManager.instance.lyricaInstance)
				{
					WaveManager.instance.lyricaInstance.animator.SetTrigger(changeDialogueTrigger);
					WaveManager.instance.merlinInstance.animator.SetTrigger(changeDialogueTrigger);
					WaveManager.instance.lunasaInstance.animator.SetTrigger(changeDialogueTrigger);
				}
				else
				{
					WaveManager.instance.bossInstance.animator.SetTrigger(changeDialogueTrigger);
				}
				break;
			case DialogueCharacter.Character.Youmu:
				youmuSpeechBubble.SetActive(true);
				youmuText.text = textToShow.text;
				youmuAnimator.SetTrigger(talkTrigger);
				reisenAnimator.SetTrigger(changeDialogueTrigger);
				if (WaveManager.instance.lyricaInstance)
				{
					WaveManager.instance.lyricaInstance.animator.SetTrigger(changeDialogueTrigger);
					WaveManager.instance.merlinInstance.animator.SetTrigger(changeDialogueTrigger);
					WaveManager.instance.lunasaInstance.animator.SetTrigger(changeDialogueTrigger);
				}
				else
				{
					WaveManager.instance.bossInstance.animator.SetTrigger(changeDialogueTrigger);
				}
				break;
			case DialogueCharacter.Character.Enemy:
				bossSpeechBubble.gameObject.SetActive(true);
				bossText.text = textToShow.text;
				reisenAnimator.SetTrigger(changeDialogueTrigger);
				youmuAnimator.SetTrigger(changeDialogueTrigger);
				WaveManager.instance.bossInstance.animator.SetTrigger(talkTrigger);
				break;
			case DialogueCharacter.Character.Lunasa:
				lunasaSpeechBubble.gameObject.SetActive(true);
				lunasaText.text = textToShow.text;
				reisenAnimator.SetTrigger(changeDialogueTrigger);
				youmuAnimator.SetTrigger(changeDialogueTrigger);
				WaveManager.instance.lyricaInstance.animator.SetTrigger(changeDialogueTrigger);
				WaveManager.instance.merlinInstance.animator.SetTrigger(changeDialogueTrigger);
				WaveManager.instance.lunasaInstance.animator.SetTrigger(talkTrigger);
				break;
			case DialogueCharacter.Character.Merlin:
				merlinSpeechBubble.gameObject.SetActive(true);
				merlinText.text = textToShow.text;
				reisenAnimator.SetTrigger(changeDialogueTrigger);
				youmuAnimator.SetTrigger(changeDialogueTrigger);
				WaveManager.instance.lyricaInstance.animator.SetTrigger(changeDialogueTrigger);
				WaveManager.instance.merlinInstance.animator.SetTrigger(talkTrigger);
				WaveManager.instance.lunasaInstance.animator.SetTrigger(changeDialogueTrigger);
				break;
			case DialogueCharacter.Character.Lyrica:
				lyricaSpeechBubble.gameObject.SetActive(true);
				lyricaText.text = textToShow.text;
				reisenAnimator.SetTrigger(changeDialogueTrigger);
				youmuAnimator.SetTrigger(changeDialogueTrigger);
				WaveManager.instance.lyricaInstance.animator.SetTrigger(talkTrigger);
				WaveManager.instance.merlinInstance.animator.SetTrigger(changeDialogueTrigger);
				WaveManager.instance.lunasaInstance.animator.SetTrigger(changeDialogueTrigger);
				break;
		}
	}

	private void Update()
	{
		if (dialogueActive)
		{
			if (Input.GetMouseButtonDown(0))
			{
				ContinueDialogue();
			}
			else if (Input.GetKeyDown(KeyCode.Escape))
			{
				EndDialogue();
			}
		}
	}
}