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

[RequireComponent(typeof(Text))]
public class TextTool : BaseMeshEffect
{
    public float xOffset;
    public float yOffset;
    public float xOffsetSup;
    public float yOffsetSup;
    public float x;

    private Text text;
    private string data;
    private int indexStart;
    private int indexEnd;

    protected override void Start()
    {
        text = GetComponent<Text>();
    }

    public override void ModifyMesh(VertexHelper vh)
    {
        UIVertex vertex = new UIVertex();
        UIVertex vertextemp1 = new UIVertex();
        UIVertex vertextemp2 = new UIVertex();
        UIVertex vertextemp3 = new UIVertex();
        UIVertex vertextemp4 = new UIVertex();
        data = Regex.Replace(text.text, @"(<color=#[0-9A-F]*>|</color>)", "");
        data = Regex.Replace(data, @"(<size=\d*%>|</size>)", "");
        indexStart = data.IndexOf("<sup");
        indexEnd = data.IndexOf("</sup");
        try
        {
            for (int i = 0; i < 20; i++)
            {
                vh.SetUIVertex(vertex, indexStart * 4 + i);
            }
            for (int i = 0; i < 24; i++)
            {
                vh.SetUIVertex(vertex, indexEnd * 4 + i);
            }
            for (int i = indexEnd * 4 + 24; i < vh.currentVertCount; i++)
            {
                vh.PopulateUIVertex(ref vertex, i);
                vertex.position -= new Vector3(x,0,0);
                vh.SetUIVertex(vertex, i);
            }
        }
        catch{

        }

        try
        {
            vh.PopulateUIVertex(ref vertextemp1, indexStart * 4 + 20);
            vh.PopulateUIVertex(ref vertextemp2, indexStart * 4 + 21);
            vh.PopulateUIVertex(ref vertextemp3, indexStart * 4 + 22);
            vh.PopulateUIVertex(ref vertextemp4, indexStart * 4 + 23);

            vertextemp1.position = vertextemp1.position + new Vector3(xOffset, yOffset, 0);
            vertextemp2.position = vertextemp2.position + new Vector3(xOffset + xOffsetSup, yOffset, 0);
            vertextemp3.position = vertextemp3.position + new Vector3(xOffset + xOffsetSup, yOffset + yOffsetSup, 0);
            vertextemp4.position = vertextemp4.position + new Vector3(xOffset, yOffset + yOffsetSup, 0);

            vh.SetUIVertex(vertextemp1, indexStart * 4 + 20);
            vh.SetUIVertex(vertextemp2, indexStart * 4 + 21);
            vh.SetUIVertex(vertextemp3, indexStart * 4 + 22);
            vh.SetUIVertex(vertextemp4, indexStart * 4 + 23);
        }
        catch {
            
        }
    }
}