using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Cksoft.Data;
using DllEapEntity;
using Cksoft.Unity;
using DllEapEntity.Dtos;
using SharpCifs.Smb;

namespace DllEapDal.Onsemi
{
    public class OnsemiProgramDal
    {
        private readonly IConfiguration configuration;
        private IDatabase CurrDb = null;
        private readonly string userName;
        private string pwd;
        public OnsemiProgramDal(IDatabase db, IConfiguration configuration)
        {
            CurrDb = db;
            this.configuration = configuration;
            userName = configuration["DiscoUserName"];
            pwd = configuration["DiscoPassword"];
            //  pwd = "Xq20140715";
        }

        public OnsemiProgramDal(IDatabase db)
        {
            CurrDb = db;
        }

        /// <summary>
        /// 获取程序
        /// </summary>
        /// <param name="macIp"></param>
        /// <param name="errorinfo"></param>
        /// <returns></returns>
        public IEnumerable<OnsemiProgramDto> GetProgramPaths(int macId, string proName, ref string errorinfo)
        {
            var machine = CurrDb.FindEntityFor<Machine>(macId);
            var macmodel = CurrDb.FindListForCondition<MacModel>($" and a.Id={machine.MModeID}", ref errorinfo)
                .FirstOrDefault();
            var rootPath = @"\\" + machine.IPAddress + "\\" + macmodel.ProRootPath;
            if (string.IsNullOrEmpty(macmodel.ProRootPath))
            {
                errorinfo = "程序根目录没找到，请先配置程序根目录";
                return null;
            }
            var uploadedPros = CurrDb.FindListForCondition<BusinessFileRelation>($" and c.UploadMacID={machine.ID}", ref errorinfo);
            var pros = new List<OnsemiProgramDto>();
            string rootpath = $@"\\{machine.IPAddress}\{macmodel.ProRootPath}";
            var folder = new SmbFile($"smb://{userName}:{pwd}@{machine.IPAddress}/{macmodel.ProRootPath}/");
            // SharpCifs.Config.SetProperty("jcifs.smb.client.disablePlainTextPasswords", "false");
            // SharpCifs.Config.SetProperty("jcifs.smb.client.disablePlainTextPasswords", "false");
            this.AppendDirectoryPros(folder, rootpath, pros, uploadedPros, ref errorinfo);
            pros = pros.Select(c => new OnsemiProgramDto
            {
                Path = c.Path.Replace(rootPath + "\\", ""),
                Name = c.Name,
                State = c.State
            }).ToList();
            if (!string.IsNullOrEmpty(proName))
            {
                pros = pros.Where(c => c.Name.Contains(proName)).ToList();
            }
            return pros;
        }

        /// <summary>
        /// 递归获取目录下的所有程序
        /// </summary>
        /// <param name="path">目录路径</param>
        /// <param name="fileNames">程序名列表</param>
        /// <param name="errorinfo">错误信息</param>
        private void AppendDirectoryPros(SmbFile smbFile, string rootPath,
            IList<OnsemiProgramDto> fileNames, IEnumerable<BusinessFileRelation> uploadedPros, ref string errorinfo)
        {
            var children = smbFile.ListFiles();
            var allFiles = new List<FileDto>();
            if (children != null && children.Count() > 0)
            {
                foreach (var item in children)
                {
                    // item.
                    if (item.IsDirectory())   // 如果当前元素是文件夹  则遍历文件夹里的程序文件
                    {
                        //this.AppendDirectoryPros(item, rootPath, fileNames, ref errorinfo);
                    }
                    else
                    {
                        var ms = new MemoryStream();
                        var smbStream = item.GetInputStream();
                        ((Stream)smbStream).CopyTo(ms);
                        ms.Position = 0;
                        allFiles.Add(new FileDto
                        {
                            Ext = Path.GetExtension(item.GetUncPath()),
                            FileName = Path.GetFileNameWithoutExtension(item.GetName()),
                            FileBytes = ms.ToArray(),
                            UNCPath = item.GetUncPath()
                        });
                        smbStream.Close();
                        smbStream.Dispose();
                        ms.Close();
                        ms.Dispose();
                    }
                }
            }
            if (allFiles != null && allFiles.Count() > 0)
            {
                var dfdFiles = allFiles.Where(c => c.Ext.ToLower() == ".dfd");
                if (dfdFiles != null && dfdFiles.Count() > 0)
                {
                    foreach (var item in dfdFiles)
                    {
                        bool hasCln = allFiles.Any(c => c.FileName == item.FileName &&
                        c.Ext.ToLower() == ".cln");
                        bool hasAlu = allFiles.Any(c => c.FileName == item.FileName &&
                        c.Ext.ToLower() == ".alu");
                        if (hasCln && hasAlu)
                        {
                            var proName = DiodesProgramFileHelper.GetProgramName01(item.FileBytes, ref errorinfo);
                            var filePath = item.UNCPath;
                            fileNames.Add(new OnsemiProgramDto
                            {
                                Name = proName,
                                Path = item.UNCPath.Replace(item.Ext, ""),
                                State = uploadedPros.Any(c => c.FileOrgName == proName) ? "已上传" : "未上传"
                            });
                        }
                    }
                }
            }
            if (children != null && children.Count() > 0)
            {
                foreach (var item in children)
                {
                    if (item.IsDirectory())
                    {
                        this.AppendDirectoryPros(item, rootPath, fileNames, uploadedPros, ref errorinfo);
                    }
                }
            }
        }

        public int Upload(int macId, string proPath, string proName, string userCode, ref string errorinfo)
        {
            var machine = CurrDb.FindEntityFor<Machine>(macId);
            var macModel = CurrDb.FindListForCondition<MacModel>($" and a.Id={machine.MModeID}",
                ref errorinfo).FirstOrDefault();
            var ip = machine.IPAddress;
            var rootPath = @"\\" + machine.IPAddress + "\\" + $@"{macModel.ProRootPath}";
            var smbRootPath = $@"smb://{userName}:{pwd}@{machine.IPAddress}/{macModel.ProRootPath}/";
            var names = new List<SmbFile>
            {
                new SmbFile($"{smbRootPath}{proPath}.dfd"),
                new SmbFile($"{smbRootPath}{proPath}.cln"),
                new SmbFile($"{smbRootPath}{proPath}.alu")
            };
            var totalLengthBytes = new byte[0];
            var totalFileBytes = new byte[0];
            foreach (var item in names)
            {
                byte[] lBytes;
                var fileBytes = this.GetSmbFileBytes(item, out lBytes, ref errorinfo);
                if (fileBytes == null)
                {
                    return -1;
                }
                totalLengthBytes = totalLengthBytes.Concat(lBytes).ToArray();
                totalFileBytes = totalFileBytes.Concat(fileBytes).ToArray();
            }
            var fileDatas = totalLengthBytes.Concat(totalFileBytes).ToArray();
            BusinessFileDal dal = new BusinessFileDal(CurrDb);
            BusinessFile busifile = dal.UpdownFile(fileDatas,
                $@"{configuration["ProgramDir"]}", proName,
                machine, proPath, userCode, ref errorinfo);
            if (busifile == null)
                return -1;
            return 1;
        }

        /// <summary>
        /// 获取单个文件的字节流及字节流的长度
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="lengthBytes"></param>
        /// <param name="errorinfo"></param>
        /// <returns></returns>
        private byte[] GetFileBytes(string filePath, out byte[] lengthBytes, ref string errorinfo)
        {
            try
            {
                var fs = File.OpenRead(filePath);
                int length = Convert.ToInt32(fs.Length);
                byte[] bytes = BitConverter.GetBytes(length);
                var fileBytes = new byte[length];
                fs.Read(fileBytes, 0, fileBytes.Length);
                fs.Close();
                lengthBytes = bytes;
                return fileBytes;
            }
            catch (Exception e)
            {
                errorinfo = e.Message;
                lengthBytes = null;
                return null;
            }
        }

        /// <summary>
        /// 获取SmbFile的字节流
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="lengthBytes"></param>
        /// <param name="errorinfo"></param>
        /// <returns></returns>
        public byte[] GetSmbFileBytes(SmbFile file, out byte[] lengthBytes, ref string errorinfo)
        {
            var fs = new MemoryStream();
            try
            {
                var readStream = file.GetInputStream();
                ((Stream)readStream).CopyTo(fs);
                int length = Convert.ToInt32(fs.Length);
                byte[] bytes = BitConverter.GetBytes(length);
                var fileBytes = new byte[length];
                fs.Position = 0;
                fs.Read(fileBytes, 0, fileBytes.Length);
                //   var fileBytes = fs.ToArray();
                readStream.Close();
                readStream.Dispose();
                fs.Close();
                fs.Dispose();
                lengthBytes = bytes;
                return fileBytes;
            }
            catch (Exception e)
            {
                errorinfo = e.Message;
                fs.Close();
                fs.Dispose();
                lengthBytes = null;
                return null;
            }
        }
    }
}