using UnityEngine;
using System.IO;

#if UNITY_XCODE_API_BUILD
namespace UnityEditor.iOS.Xcode
#else
namespace UnityEditor.iOS.Xcode.Custom
#endif
{
    public class XClass : System.IDisposable
    {
        private string filePath;

        public XClass(string fPath)
        {
            filePath = fPath;
            if (!System.IO.File.Exists(filePath))
            {
                Debug.LogError(filePath + "路径下文件不存在");
                return;
            }
        }

        //在指定代码上方插入
        //public void WriteAbove(string below,string text)
        //{
        //    StreamReader streamReader = new StreamReader(filePath);
        //    string text_all = streamReader.ReadToEnd();
        //    streamReader.Close();

        //    int beginIndex = text_all.IndexOf(below, System.StringComparison.CurrentCulture);
        //    if (beginIndex == -1)
        //    {
        //        Debug.LogError(filePath + "中没有找到标致" + below);
        //        return;
        //    }

        //    int endIndex = text_all.LastIndexOf("\n", beginIndex + below.Length, System.StringComparison.CurrentCulture);

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

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

        //在指定代码下方插入
        public void WriteBelow(string below, string text)
        {
            StreamReader streamReader = new StreamReader(filePath);
            string text_all = streamReader.ReadToEnd();
            streamReader.Close();

            int beginIndex = text_all.IndexOf(below, System.StringComparison.CurrentCulture);
            if (beginIndex == -1)
            {
                Debug.LogError(filePath + "中没有找到标致" + below);
                return;
            }

            int endIndex = text_all.LastIndexOf("\n", beginIndex + below.Length, System.StringComparison.CurrentCulture);

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

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

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

            int beginIndex = text_all.IndexOf(below, System.StringComparison.CurrentCulture);
            if (beginIndex == -1)
            {
                Debug.LogError(filePath + "中没有找到标致" + below);
                return;
            }

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

        public void Dispose()
        {
        }
    }
}