using System.IO;
using System.Text;

namespace Vinno.FIS.Sonopost.Helpers
{
    public class FileHelper
    {
        /// <summary>
        /// Save file
        /// </summary>
        public static void Save(string path, string content)
        {
            var data = new UTF8Encoding().GetBytes(content);
            using (var stream = new FileStream(path, FileMode.Create, FileAccess.Write))
            {
                stream.Write(data, 0, data.Length);
            }
        }

        public static string GetText(string path)
        {
            using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))//Felix:若改为ReadWrite,SmartLogs会提示文件被占用。
            {
                byte[] buffer = new byte[stream.Length];
                stream.Read(buffer, 0, buffer.Length);
                string text = Encoding.UTF8.GetString(buffer);
                return text;
            }
        }

        public static void CopyStream(string path, Stream destStream)
        {
            using (var fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
            {
                fs.CopyTo(destStream);
            }
        }

        public static bool Exist(string path)
        {
            return File.Exists(path);
        }
    }
}