using UnityEngine;
using Sirenix.OdinInspector;
using UnityEngine.UI;
using TMPro;
using Framework;
using Debug = DebugUtil;

public enum ERedPointShowType
{
    [LabelText("隐藏")]
    None = 0,
    [LabelText("红点")]
    Icon = 1,
    [LabelText("数字")]
    Count = 2,
    [LabelText("红点加数字")]
    IconAndCount = 3,
}

public class RedPointUIController : MonoBehaviour
{
    const string ICON_PATH = "icon";
    const string TEXT_PATH = "count";
    const int NODE_DEFAULT_ID = -1;

    //private RedPointNode _node;
    private Image _icon;
    private TMP_Text _count;

    [LabelText("节点ID")]
    [InfoBox("如需动态设置红点，请预设为 -1，确保节点在未绑定红点时不显示")]
    [SerializeField]
    private int _nodeID = NODE_DEFAULT_ID;

    //[SerializeField]
    //private int ParentID;

    [LabelText("消息数(为0时红点隐藏)")]
    [SerializeField]
    private int showTag = -1;
    //[SerializeField]
    //private int childCnt = 0;

    [OnValueChanged("OnShowTypeChanged")]
    [LabelText("展示类型")]
    [SerializeField]
    private ERedPointShowType _showType = ERedPointShowType.IconAndCount;

    public GameObject CachedObj { get; private set; }

    private bool _hasAwake;

    public ERedPointShowType ShowType
    {
        get => _showType;
        set
        {
            if (_showType != value)
            {
                _showType = value;
                ApplyShowType();
            }
        }
    }

    public int NodeID
    {
        get => _nodeID;
        //set
        //{
        //    if (_nodeID != value)
        //    {
        //        _nodeID = value;
        //    }
        //}
    }

    private void Awake()
    {
        _hasAwake = true;
        CachedObj = gameObject;
        BindWidget();
        RegisterEvent();

        ApplyShowType();
        Refresh();
    }

    private void OnDestroy()
    {
        UnRegisterEvent();
    }

    //private void Show()
    //{
    //    if (!_hasAwake)
    //        return;
    //    GetNode();
    //    ApplyShowType();
    //    Refresh();
    //}

    public void SetNode(int nodeID, int msgCount)
    {
        this._nodeID = nodeID;
        showTag = msgCount;

        if (_hasAwake)
        {
            ApplyShowType();
            Refresh();
        }
    }


    private void BindWidget()
    {
        _icon = transform.Find(ICON_PATH).GetComponent<Image>();
        if (_icon == null)
            Debug.LogError("找不到_icon");

        _count = transform.Find(TEXT_PATH).GetComponent<TMP_Text>();
        if (_count == null)
            Debug.LogError("找不到_count");
    }

    public void ResetToDefault()
    {
        _nodeID = NODE_DEFAULT_ID;
    }

    private void RegisterEvent()
    {
        EventManager.Instance.Register<int[]>(EventManager.EventName.RedPointDataChange, OnRedPointDataChange);
    }

    private void UnRegisterEvent()
    {
        EventManager.Instance.Unregister<int[]>(EventManager.EventName.RedPointDataChange, OnRedPointDataChange);
    }

    private void OnRedPointDataChange(int[] nodeMsg)
    {
        if (nodeMsg[0] == NodeID)
        {
            showTag = nodeMsg[1];
            Refresh();
        }
    }

    private void Refresh()
    {
        if (NodeID != NODE_DEFAULT_ID && showTag > 0)
        {
            //var count = _node.MessageCount;
            CachedObj.transform.localScale = Vector3.one;//用scale替代setActive，避免在循环列表内单个被隐藏而全部错误显示的问题
            _count.text = showTag.ToString();

            //showTag = _node.MessageCount;
            //childCnt = _node.ChildCount;
        }
        else
        {
            CachedObj.transform.localScale = Vector3.zero;
        }
    }

    private void ApplyShowType()
    {
        switch (_showType)
        {
            case ERedPointShowType.None:
                _icon.gameObject.SetActive(false);
                _count.gameObject.SetActive(false);
                break;
            case ERedPointShowType.Icon:
                _icon.gameObject.SetActive(true);
                _count.gameObject.SetActive(false);
                break;
            case ERedPointShowType.Count:
                _icon.gameObject.SetActive(false);
                _count.gameObject.SetActive(true);
                break;
            case ERedPointShowType.IconAndCount:
                _icon.gameObject.SetActive(true);
                _count.gameObject.SetActive(true);
                break;
            default:
                break;
        }
    }

    #region GUI
    private void OnShowTypeChanged()
    {
        if (Application.isPlaying)
            ApplyShowType();
    }

    //private void OnNodeIDChanged()
    //{
    //    if (Application.isPlaying)
    //        Show();
    //}
    #endregion
}