using UnityEngine;
using UnityEngine.UI;

using System.Collections;
using System.Collections.Generic;

public class TextPlus : Text
{
    #region

    public bool Draw;

    private ImagePlus _ImagePlus;

    public ImagePlus ImagePlus
    {
        get
        {
            if (_ImagePlus == null)
            {
                _ImagePlus = GetComponentInChildren<ImagePlus>();
            }

            return _ImagePlus;
        }
        set { _ImagePlus = value; }
    }

    #endregion

    public override void SetVerticesDirty()
    {
        base.SetVerticesDirty();

        int leftIndex = text.IndexOf("<(");
        int rightIndex = text.IndexOf(")>");

        if (leftIndex == -1)
        {
            Draw = false;
        }
        else
        {
            Draw = true;

            ImagePlus.SpriteName = text.Between(leftIndex + 2, rightIndex - 2);
            ImagePlus.StartIndex = leftIndex - 1;

            text = text.Replace(leftIndex, rightIndex, "  ");
        }
    }

    protected override void OnPopulateMesh(VertexHelper toFill)
    {
        base.OnPopulateMesh(toFill);
        
        if (Draw)
        {
            Draw = false;

            toFill.GetUIVertexStream(ImagePlus.TextVertexList);
        }
    }
}