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

public class DialogueSystem : MonoBehaviour
{
    [SerializeField] private Dialogue dialogue;

    [SerializeField] private GameObject dialogBox;

    [SerializeField] private Text dialog;

    [SerializeField] private Text characterName;

    [SerializeField] private Image characterSprite;

    [SerializeField] private CharacterType type;

    private int index;
    private bool isInTurn;

    private int npcId;

    public Dictionary<int, List<DialogNode>> dialogNodes = new Dictionary<int, List<DialogNode>>();
    private void Awake()
    {
        foreach (var dia in dialogue.dialogNode)
        {
            if (!dialogNodes.ContainsKey(dia.npcID))
            {
                dialogNodes.Add(dia.npcID,new List<DialogNode> { dia});

            }
            else
            {
                dialogNodes[dia.npcID].Add(dia);
            }
        }
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.E) && isInTurn)
        {
            Play();
        }

    }
    private void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.CompareTag("Npc"))
        {
            Debug.Log("aaa");
            isInTurn = true;
            npcId = collision.GetComponent<UITip>().GetNpcId();
        }

    }
    private void OnTriggerExit2D(Collider2D collision)
    {
        if (collision.CompareTag("Npc"))
        {
            Debug.Log("bbb");
            isInTurn = false;
            index = 0;
            dialogBox.SetActive(false);
        }
    }

    void Play()
    {
        dialogBox.SetActive(true);
        DialogNode node = dialogNodes[npcId][Mathf.Clamp(index++, 0, dialogNodes[npcId].Count - 1)];

        if (index - 1 == dialogNodes[npcId].Count)
        {
            dialog.text = "抱歉，我很忙，你可以找一下事情做";
        }
        else
        {
            dialog.text = node.dialog;
        }

        characterName.text = node.characterName;
        characterSprite.overrideSprite = node.characterSprite;

        if (index - 1 == dialogNodes[npcId].Count)
        {
            dialog.text = null;
            dialogBox.SetActive(false);

        }
    }
}