using HxGame;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class UINpcItem : UIBaseItem
{
    public InputField txtPos;    //NPC坐标
    public InputField txtID;     //NPCID
    public Dropdown dropDir;    //Npc朝向
    public InputField txtPath;     //NPC路径
    public InputField txtName;     //NPC名字
    public Button btnDel;   //删除
    public List<string> paths;
    public int itemIdx;
    public int pathIdx;

    // Start is called before the first frame update
    protected override void Awake()
    {
        base.Awake();
        AddInputNameClickEvent(txtPos);
        AddInputNameClickEvent(txtPath, true);
        btnDel.onClick.AddListener(RemoveSelf);
        itemIdx = 0;
        paths = new List<string>();
    }

    private void AddInputNameClickEvent(InputField input, bool isPath = false) //可以在Awake中调用
    {
        var eventTrigger = input.gameObject.AddComponent<EventTrigger>();
        UnityAction<BaseEventData> selectEvent = null;
        if (isPath)
            selectEvent = OnPathInputFieldClicked;
        else
            selectEvent = OnInputFieldClicked;

        EventTrigger.Entry onClick = new EventTrigger.Entry()
        {
            eventID = EventTriggerType.PointerClick
        };

        onClick.callback.AddListener(selectEvent);
        eventTrigger.triggers.Add(onClick);
    }

    private void OnInputFieldClicked(BaseEventData data)
    {
        UIWindow.Instance.uiNpcsPanel.curActiveInput = data.selectedObject.GetComponent<InputField>();

        MapManager.Instance.SetCurNpcPointIdx(itemIdx);
        MapManager.Instance.SetEditCellType(MapManager.EditCellType.NpcCell);
    }

    private void OnPathInputFieldClicked(BaseEventData data)
    {
        UIWindow.Instance.uiNpcsPanel.curActiveInput = data.selectedObject.GetComponent<InputField>();
        UIWindow.Instance.uiNpcsPanel.curActiveList = paths;
        MapManager.Instance.SetEditCellType(MapManager.EditCellType.NpcPath);
    }

    public override void SetItemPos(Vector2Int pos)
    {
        base.SetItemPos(pos);
        txtPos.text = pos.ToString();
    }
    private void OnDestroy()
    {
        if (sceneArea == null) return;
        DestroyImmediate(sceneArea.gameObject);
    }
    private void RemoveSelf()
    {
        DestroyImmediate(gameObject);
    }


    public bool CheckValid()
    {
        if (string.IsNullOrEmpty(txtID.text))
        {
            UIWindow.Instance.ShowMessage("请填写NpcID");
            return false;
        }
        if (string.IsNullOrEmpty(txtPos.text))
        {
            UIWindow.Instance.ShowMessage("请填写Npc坐标");
            return false;
        }

        return true;
    }
}