/********************************************************************
	文件: FileTools.cs
	作者: 梦语
	邮箱: 1982614048@qq.com
	创建时间: 2024/03/29 17:28:19
	最后修改: 梦语
	最后修改时间: 2024/04/03 15:59:21
	功能: 文件读写工具
*********************************************************************/

using System;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;

public static class FileTools
{
    /// <summary>
    /// 从文件中读取Json
    /// </summary>
    public static bool ReadFileForJson<T>(string filePath, out T data)
    {
        try
        {
            data = JsonTools.FromJson<T>(ReadFile(filePath));
            return data != null;
        }
        catch (Exception)
        {
            //Debug.LogWarningFormat("文件读取错误,路径:{0}", filePath);
            data = default;
            return false;
        }
    }

    ///// <summary>
    ///// 从文件中读取Json
    ///// </summary>
    //public static bool ReadFileForJson(Type type, string filePath, out object data)
    //{
    //    try
    //    {
    //        //data = JsonConvert.DeserializeObject<T>(ReadFile(filePath));
    //        data = JsonMapper.ToObject(ReadFile(filePath), type);
    //        return data != null;
    //    }
    //    catch (Exception)
    //    {
    //        Debug.LogWarningFormat("文件读取错误,路径:{0}", filePath);
    //        data = default;
    //        return false;
    //    }
    //}

    /// <summary>
    /// 从文件中读取字符串
    /// </summary>
    public static string ReadFile(string filePath)
    {
        try
        {
            Debug.Log("当前读取路径:" + filePath);
            if (!File.Exists(filePath))
            {
                //Debug.LogWarningFormat("该文件不存在,路径:{0}", filePath);
                return null;
            }

            using (FileStream fs = new FileStream(filePath, FileMode.Open))
            {
                StreamReader reader = new StreamReader(fs);
                string data = reader.ReadToEnd();
                reader.Close();
                fs.Close();
                return data;
            }
        }
        catch (Exception)
        {
            //Debug.LogWarningFormat("文件读取错误,路径:{0}", filePath);
            return null;
        }
    }

    /// <summary>
    /// 向文件中写入Json
    /// </summary>
    public static bool WriteFileForJson<T>(string filePath, T classData, bool isAppend = false, bool isFormat = false) where T : new()
    {
        string data = JsonTools.ToJson(classData, isFormat);
        //string data = JsonMapper.ToJson(classData);
        return WriteFile(filePath, data, isAppend);
    }

    /// <summary>
    /// 向文件中写入字符串
    /// </summary>
    public static bool WriteFile(string filePath, string data, bool isAppend = false)
    {
        try
        {
            //Debug.Log("当前写入路径:" + filePath);
            FileStream fs;

            if (!File.Exists(filePath))
            {
                string dirPath = Path.GetDirectoryName(filePath);

                Directory.CreateDirectory(dirPath);

                fs = new FileStream(filePath, FileMode.Create);
            }
            else
            {
                if (!isAppend)
                    fs = new FileStream(filePath, FileMode.Truncate);
                else
                    fs = new FileStream(filePath, FileMode.Append);
            }

            StreamWriter writer = new StreamWriter(fs);
            writer.Write(data);

            writer.Close();
            fs.Close();
            return true;
        }
        catch (Exception)
        {
            //Debug.LogErrorFormat("文件写入错误,路径:{0}", filePath);
            return false;
        }
    }


    public static bool FileExists(string filePath)
    {
        return File.Exists(filePath);
    }

    public static void CopyFile(string filePath, string targetPath)
    {
        if (File.Exists(filePath))
        {
            string dirPath = Path.GetDirectoryName(targetPath);

            if (!Directory.Exists(dirPath))
            {
                Directory.CreateDirectory(dirPath);
            }
            File.Copy(filePath, targetPath, true);
        }

    }

    public static void FindAllFileInDirectory(string dirPath, List<string> saveList, params string[] types)
    {
        // 获取文件夹内所有文件和文件夹  
        string[] files = Directory.GetFiles(dirPath);
        string[] dirs = Directory.GetDirectories(dirPath);

        // 遍历文件  
        foreach (string file in files)
        {
            bool isNeed = false;
            // 检查文件是否为需要的类型
            foreach (string type in types)
            {
                if (file.EndsWith(type))
                {
                    isNeed = true;
                    break;
                }
            }

            if (isNeed)
            {
                saveList.Add(file.Replace("\\", "/"));
            }
        }

        // 递归遍历子文件夹  
        foreach (string dir in dirs)
        {
            FindAllFileInDirectory(dir, saveList, types);
        }
    }

    /// <summary>
    /// 判断文件夹是否为空
    /// </summary>
    /// <param name="dirPath"></param>
    /// <returns></returns>
    public static bool CheckIfDirectoryIsEmpty(string dirPath)
    {
        // 检查文件夹是否存在
        if (Directory.Exists(dirPath))
        {
            // 获取文件夹中的所有文件和子文件夹
            string[] files = Directory.GetFiles(dirPath, "*.*", SearchOption.AllDirectories);
            DirectoryInfo dirInfo = new DirectoryInfo(dirPath);
            DirectoryInfo[] subDirs = dirInfo.GetDirectories();

            // 判断文件和子文件夹的数量
            if (files.Length == 0 && subDirs.Length == 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        else
        {
            return false;
        }
    }
}