//------------------------------------------------------------
// Game Framework
// Copyright © 2013-2020 Jiang Yin. All rights reserved.
// Homepage: https://gameframework.cn/
// Feedback: mailto:ellan@gameframework.cn
//------------------------------------------------------------

using MongoDB.Bson.Serialization.Serializers;
using System.IO;

namespace ET
{
    /// <summary>
    /// 实用函数集。
    /// </summary>
    public static partial class Utility
    {
        public static class FileOpation
        {
            public static void WriteBytes(string path,byte[] buffer)
            {
                using (FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write))
                {
                    fs.Write(buffer, 0, buffer.Length);
                }
            }
            public static void WriteString(string path, string str)
            {
                using (FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write))
                {
                    using(StreamWriter sw =new StreamWriter(fs))
                    {
                        sw.Write(str);
                    }
                }
            }
            public static void Create(string path)
            {
                if (File.Exists(path))
                {
                    return;
                }
                File.Create(path);
            }
            public static void Delete(string path)
            {
                if (File.Exists(path))
                {
                    File.Delete(path);
                }
            }
            public static DirectoryInfo CreateDirectory(string path)
            {
                if (Directory.Exists(path))
                {
                     return new DirectoryInfo(path);
                }
                return Directory.CreateDirectory(path);
            }
            public static void DeleteDirectory(string path,bool recursive=false)
            {
                if (Directory.Exists(path))
                {
                    Directory.Delete(path,recursive);
                }
            }
            public static void ClearDirectory(string path)
            {
                foreach (FileInfo info in GetFiles(path,"*.*", SearchOption.AllDirectories))
                {
                    Delete(info.FullName);
                }
            }


            public static FileInfo[] GetFiles(string path,string searchPattern,SearchOption searchOption)
            {
                if (string.IsNullOrEmpty(path) || !Directory.Exists(path))
                {
                    Log.Error($"path 文件夹不存在");
                    return null;
                }
                DirectoryInfo info = new DirectoryInfo(path);
                return info.GetFiles(searchPattern,searchOption);
            }
        }
    }

}