using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using UnityEngine.SceneManagement;

public class UnityDialogueUI : MonoBehaviour
{
    public TMP_Text dialogueText;
    public TMP_Text affectionText;
    public Button responseButton1;
    public Button responseButton2;
    private DialogueController dialogueController;

    //static type
    private AffectionManager affectionManager;

    //bool used to check if conversation is over
    private bool finishedConversation = false;
    void Start()
    {
        //instantiate affection manager manually since its not mono.
        affectionManager = new AffectionManager();

        //set AffectionUI and register it as an observer
        AffectionUI affectionUI = new AffectionUI(affectionText);
        affectionManager.RegisterObserver(affectionUI);

        //get current scene name (used to check which dialogue to initiate)
        string currentSceneName = SceneManager.GetActiveScene().name;

        if(currentSceneName == "Sonic")
        {
            //create Sonic's dialogue 
            HedgehogDialogue sonicDialogue = new SonicDialogue(affectionManager);
            dialogueController = new DialogueController(sonicDialogue);

        } else if(currentSceneName == "Shadow")
        {
            //create Shadow's dialogue
            //dynamic type
            HedgehogDialogue shadowDialogue = new ShadowDialogue(affectionManager);
            dialogueController = new DialogueController(shadowDialogue);
        }
        
        //show base dialogue
        ShowDialogue();

        // *** Update the Affection UI on scene start ***
        affectionUI.OnAffectionChanged("Sonic", AffectionManager.GetSonicAffectionPoints());
        affectionUI.OnAffectionChanged("Shadow", AffectionManager.GetShadowAffectionPoints());

        //set buttons up
        responseButton1.onClick.AddListener( () => OnResponse(1));
        responseButton2.onClick.AddListener( () => OnResponse(2));
    }

    void ShowDialogue(){
        // Always refresh dialogueText from DialogueLine
        dialogueText.text = dialogueController.GetCurrentDialogueLine();

        string[] responses = dialogueController.GetCurrentResponses();
        if (responses.Length > 0){
        responseButton1.GetComponentInChildren<TMP_Text>().text = responses[0];
        responseButton2.GetComponentInChildren<TMP_Text>().text = responses[1];
        } else {
        responseButton1.gameObject.SetActive(false);
        responseButton2.gameObject.SetActive(false);
        }
        
        //check if convo is done
        finishedConversation = dialogueController.IsConversationFinished();
        if(finishedConversation){
            //disable the buttons so user cannot interact anymore
            responseButton1.gameObject.SetActive(false);
            responseButton2.gameObject.SetActive(false);
            return;
        }
    }
    void OnResponse(int choice){
        dialogueController.HandlePlayerChoice(choice);
        // update dialogue after player choice
        ShowDialogue(); 
    }
}