using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

namespace AllBase
{
    public static class FileBase
    {
        /// <summary>
        /// 文件是否存在
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static bool Exists(string path)
        {
            try
            {
                return File.Exists(path);
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return false;
            }
        }
        /// <summary>
        /// 读取文件
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static string ReadAllText(string path)
        {
            return ReadAllText(path, Encoding.Default);
        }

        /// <summary>
        /// 读取文件
        /// </summary>
        /// <param name="path"></param>
        /// <param name="encoding"></param>
        /// <returns></returns>
        public static string ReadAllText(string path, Encoding encoding)
        {
            try
            {
                return File.ReadAllText(path, encoding);
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return null;
            }
        }

        /// <summary>
        /// 读取文件
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static string[] ReadAllLines(string path, Encoding encoding)
        {
            try
            {
                return File.ReadAllLines(path, encoding);
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return null;
            }
        }

        /// <summary>
        /// 读取文件
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static string[] ReadAllLines(string path)
        {
            return ReadAllLines(path, Encoding.Default);
        }

        /// <summary>
        /// 写入文件
        /// </summary>
        /// <param name="path"></param>
        /// <param name="content"></param>
        /// <param name="encoding"></param>
        /// <returns></returns>
        public static bool WriteAllText(string path, string content, Encoding encoding)
        {
            try
            {
                File.WriteAllText(path, content, encoding);
                return true;
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return false;
            }
        }

        public static byte[] ReadBytes(string path)
        {
            try
            {
                return File.ReadAllBytes(path);
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
            }
            return null;
        }

        public static bool WriteAllText(string path, string content)
        {
            return WriteAllText(path, content, Encoding.Default);
        }
        public static bool WriteBytes(string path, byte[] content)
        {
            try
            {
                File.WriteAllBytes(path, content);
                return true;
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return false;
            }
        }


        /// <summary>
        /// 写入文件
        /// </summary>
        /// <param name="path"></param>
        /// <param name="content"></param>
        /// <param name="encoding"></param>
        /// <returns></returns>
        public static bool AppendAllText(string path, string content, Encoding encoding)
        {
            try
            {
                File.AppendAllText(path, content, encoding);
                return true;
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return false;
            }
        }

        public static bool AppendAllText(string path, string content)
        {
            return AppendAllText(path, content, Encoding.Default);
        }

        /// <summary>
        /// 删除文件
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static bool Delete(string path)
        {
            try
            {
                File.Delete(path);
                return true;
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return false;
            }
        }
        /// <summary>
        /// 创建目录
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static bool DirectoryCreate(string path)
        {
            try
            {
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path);
                }
                return true;
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return false;
            }
        }

        public static bool Move(string oldFile, string newFile)
        {
            try
            {
                Delete(newFile);
                File.Move(oldFile, newFile);
                return true;
            }
            catch (Exception e)
            {
                LogSave.Add(e.Message);
                return false;
            }
        }

        /// <summary>
        /// 将CSV文件的一行转换为列表，进行逗号分隔(字段内容中的逗号不参与分隔)
        /// </summary>
        /// <param name="strLine"></param>
        /// <returns></returns>
        public static List<string> CsvStrToList(string csvLine)
        {
            var newStr = string.Empty;
            List<string> sList = new List<string>();

            bool isSplice = false;
            string[] array = csvLine.Split(new char[] { ',' });
            foreach (var str in array)
            {
                var strTemp = str.Trim();
                if (!string.IsNullOrEmpty(strTemp) && strTemp.IndexOf('"') > -1)
                {
                    if (strTemp.StartsWith("\"") && !strTemp.StartsWith("\"\"") && !strTemp.EndsWith("\""))
                    {
                        isSplice = true;
                    }
                    if (strTemp.EndsWith("\"") && !strTemp.EndsWith("\"\""))
                    {
                        if (!isSplice)
                            newStr += strTemp;
                        else
                            newStr = newStr + "," + strTemp;

                        isSplice = false;
                    }
                }
                else
                {
                    if (string.IsNullOrEmpty(newStr))
                        newStr += strTemp;
                }

                if (isSplice)
                {
                    //添加因拆分时丢失的逗号
                    if (string.IsNullOrEmpty(newStr))
                        newStr += strTemp;
                    else
                        newStr = newStr + "," + strTemp;
                }
                else
                {
                    sList.Add(newStr.Replace("\"\"", "#@%*^^*%@#").Replace("\"", "").Trim(' ', '\t').Replace("#@%*^^*%@#", "\"")); // 去除字符中的双引号和首尾空格
                    newStr = string.Empty;
                }
            }
            return sList;
        }

    }
}