using Games.LogicObj;
using Games.Scene;
using GCGame.Table;
using UnityEngine;
using UnityEngine.UI;

/// <summary>
///     通用显示在WorldUiRoot层的小文字
/// </summary>
public class AnchoredText : WorldUIItem
{
    private WorldUIRoot.AnchoredTextData _data;

    private bool _objExist;
    private float _height;

    private Text _text;
    private Vector3 _worldPosition;

    public override WorldUIRoot.WorldUiItemType itemType
    {
        get { return WorldUIRoot.WorldUiItemType.AnchorText; }
    }

    public static UIPathData PathData
    {
        get { return UIInfo.AnchoredText; }
    }

    public override UIPathData uiPathData
    {
        get { return PathData; }
    }

    // 在世界坐标系的位置
    public override Vector3 worldPosition
    {
        get { return _worldPosition; }
    }

    // 在Ui坐标系下尺寸；认为Ui坐标系尺寸单位为标准像素尺寸
    public override float pixelWidth
    {
        get { return rectTransform.rect.width; }
    }

    public override bool CheckDuration()
    {
        var result = Time.unscaledTime < _data.endTime;
        if (result)
            _text.text = Mathf.FloorToInt(_data.endTime - Time.unscaledTime).ToString();
        return result;
    }

    public override bool CheckPositionValid()
    {
        // Hack：这个位置是最早获得CameraPosUpdate的；
        var obj = ObjManager.Instance.FindObjCharacterInScene(_data.objId);
        if (obj != null && obj.BaseAttr != null && obj.BaseAttr.RoleData != null)
        {
            if (!_objExist)
            {
                var charModel = TableManager.GetCharModelByID(obj.BaseAttr.RoleData.CharModelID, 0);
                if (charModel != null)
                {
                    _height = charModel == null ? 0f : charModel.HeadInfoHeight;
                    _objExist = true;
                }
            }


        }
        else
            _objExist = false;
        if (_objExist)
        {
            _text.enabled = true;
            _worldPosition = obj.Position;
            _worldPosition += new Vector3(0f, _height);
        }
        else
            _text.enabled = false;
        return true;
    }

    public void SetInitData(WorldUIRoot.AnchoredTextData data)
    {
        _data = data;
        _objExist = false;
    }

    protected override void Awake()
    {
        base.Awake();
        _text = rectTransform.GetComponent<Text>();
    }

    public override void SetPositionAndScale(Vector3 position, float scale)
    {
        base.SetPositionAndScale(position + Vector3.up * 40f, scale);
    }
}