using System;
using System.IO;
using UnityEngine;

namespace UnityEditor.XCodeEditor
{
    // 落后玩意
    public class XClassExt : IDisposable
    {
        private readonly string filePath;

        public XClassExt(string fPath)
        {
            filePath = fPath;
            if (!File.Exists(filePath))
            {
                Debug.LogError(filePath + "not found in path.");
            }
        }

        public void Dispose()
        {
        }

        public void WriteBelow(string below, string text)
        {
            var streamReader = new StreamReader(filePath);
            var text_all = streamReader.ReadToEnd();
            streamReader.Close();

            var beginIndex = text_all.IndexOf(below);
            if (beginIndex == -1)
            {
                Debug.LogError(filePath + " not found sign in " + below);
                return;
            }

            var endIndex = text_all.LastIndexOf("\n", beginIndex + below.Length);

            text_all = text_all.Substring(0, endIndex) + "\n" + text + "\n" + text_all.Substring(endIndex);

            var streamWriter = new StreamWriter(filePath);
            streamWriter.Write(text_all);
            streamWriter.Close();
        }

        public void Replace(string below, string newText)
        {
            var streamReader = new StreamReader(filePath);
            var text_all = streamReader.ReadToEnd();
            streamReader.Close();

            var beginIndex = text_all.IndexOf(below);
            if (beginIndex == -1)
            {
                Debug.LogError(filePath + " not found sign in " + below);
                return;
            }

            text_all = text_all.Replace(below, newText);
            var streamWriter = new StreamWriter(filePath);
            streamWriter.Write(text_all);
            streamWriter.Close();
        }
    }
}