using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
/*******************************************************************************
*Create By CG
*Function 对文件进行操作
*******************************************************************************/
namespace CG.UTility
{
	public static class FileHandle
	{
        /// <summary>
        /// 创建文件夹
        /// </summary>
        /// <param name="folderPath">文件夹路径</param>
        public static void CreateFolder(string folderPath)
        {
            if (!Directory.Exists(folderPath))
            {
                Directory.CreateDirectory(folderPath);
            }
        }
        /// <summary>
        /// 查看路径下是否有此文件，如果已经有了，则在次基础上文件名加1，或者将原有的删除
        /// 如果保留重复文件有逻辑问题，待修复
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="delOld">如果已经有此文件了，是否删除旧文件</param>
        /// <returns></returns>
        public static string CheckFile(string filePath,bool delOld=false)
        {
            string folderPath = Path.GetDirectoryName(filePath);
            string fileName = Path.GetFileName(filePath);
            DirectoryInfo dinfo = new DirectoryInfo(folderPath);
            FileInfo[] sameFiles = dinfo.GetFiles(fileName, SearchOption.TopDirectoryOnly);
            if (sameFiles.Length > 0)
            {
                if (delOld)
                {
                    File.Delete(filePath);
                    return filePath;
                }
                else
                {
                    string fileNewName = Path.GetFileNameWithoutExtension(filePath) + $"({sameFiles.Length})";
                    string fileExtension = Path.GetExtension(filePath);
                    string fileNewPath = folderPath + "/" + fileNewName + fileExtension;
                    return fileNewPath;
                }
            }
            else
            {
                return filePath;
            }
        }
        /// <summary>
        /// 文件创建,如果原来有此文件，则直接覆盖
        /// </summary>
        /// <param name="filePath">创建文件路径，eg:D:\Unity\Editor\test.txt</param>
        public static void CreateFile(string filePath)
        {
            try
            {
                string folderPath = Path.GetDirectoryName(filePath);
                CreateFolder(folderPath);
                FileInfo file = new FileInfo(filePath);
                //创建文件  
                FileStream fs = file.Create();
                //关闭文件流
                fs.Close();
            }
            catch (System.Exception ex)
            {
                WDebug.LogError("CreateFile Erro :" + ex.Message);
                return;
            }
        }
        /// <summary>
        /// 根据字节流创建文件
        /// </summary>
        /// <param name="fileContain"></param>
        /// <param name="filePath"></param>
        public static void CreateFile(string filePath, byte[] fileContain)
        {
            try
            {
                string folderPath = Path.GetDirectoryName(filePath);
                CreateFolder(folderPath);
                File.WriteAllBytes(filePath, fileContain);
            }
            catch (System.Exception ex)
            {
                WDebug.LogError("CreateFile Erro :" + ex.Message);
                return;
            }
        }
        /// <summary>
        /// 文件删除
        /// </summary>
        /// <param name="filePath">文件路径</param>
        public static bool DelFile(string filePath)
        {
            try
            {
                if (File.Exists(filePath))
                {
                    File.Delete(filePath);
                    return true;
                }
                else
                {
                    WDebug.LogWarning("DelFile Warn :文件不存在");
                    return false;
                }
            }
            catch (System.Exception ex)
            {
                WDebug.LogError("CopyFile Erro :" + ex.Message);
                return false;
            }
        }
        /// <summary>
        /// 文件复制
        /// </summary>
        /// <param name="originFilePath">文件原始路径</param>
        /// <param name="targetFilePath">文件复制目标路径</param>
        /// <param name="replace">如果在目标文件中存在相同文件是否替换</param>
        public static void CopyFile(string originFilePath,string targetFilePath,bool replace)
        {
            try
            {
                File.Copy(originFilePath, targetFilePath, replace);
            }
            catch (System.Exception ex)
            {
                WDebug.LogError("CopyFile Erro :" + ex.Message);
                return;
            }
        }
        /// <summary>
        /// 文件移动
        /// </summary>
        /// <param name="originFilePath">文件原始路径</param>
        /// <param name="targetFilePath">文件移动目标路径</param>
        /// <param name="cover">如果在目标文件中存在相同文件是否覆盖</param>
        public static void MoveFile(string originFilePath, string targetFilePath, bool cover)
        {
            try
            {
                if (File.Exists(targetFilePath)&& cover)
                {
                    File.Delete(targetFilePath);
                }
                File.Move(originFilePath, targetFilePath);
            }
            catch (System.Exception ex)
            {
                WDebug.LogError("CopyFile Erro :" + ex.Message);
                return;
            }
        }
    }
}