using Falit.Run.Models;
using Falit.Run.Service;
using Falit.Run.Utils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace Falit.Run
{
    public partial class FrmUpgrade : Form
    {
        private VersionService _versionService;
        public FrmUpgrade()
        {
            InitializeComponent();
            _versionService = new VersionService("", AppConfig._WebApiURL);
            CheckForIllegalCrossThreadCalls = false;
            InitControl();
        }

        private void InitControl()
        {
            dataViewFile.Columns.Add("文件", "文件");
            dataViewFile.Columns.Add("路径", "路径");
            dataViewFile.Columns.Add("进度", "进度");
            dataViewFile.Columns.Add("MB", "MB");
            dataViewFile.Columns.Add("MD5", "MD5");
            dataViewFile.Columns["MD5"].Visible = false;
            dataViewFile.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
            dataViewFile.AllowUserToResizeRows = false;
            dataViewFile.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing;
            dataViewFile.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
        }

        private int _SumDownLoadSize;

        private int _CurrentDownLoadSize;

        private bool InitData()
        {
            var result = _versionService.AppCheck(new Models.VerAppCheckCondtion
            {
                ApiURL = AppConfig._WebApiURL,
                Ver = "0.0.1"
            });
            if (result.Status == OperateStatus.Success.ToString())
            {
                lbInfo.Text = "系统开始升级...";
                var data = result.Data;
                var newVerPath = AppDomain.CurrentDomain.BaseDirectory + result.Data.Ver;
                if (!Directory.Exists(newVerPath))
                {
                    Directory.CreateDirectory(newVerPath);
                }
                this.Text = this.Text + " " + data.Ver;
                lbPercentage.Text = "0 %";

                dataViewFile.Columns.Clear();
                var fieldList = from x in result.Data.VersionFileList
                                select new
                                {
                                    文件 = x.Name,
                                    路径 = x.Path,
                                    进度 = "0%",
                                    MB = string.Format("{0:F}", x.Size) + " MB",
                                    x.MD5
                                };
                dataViewFile.DataSource = fieldList.ToList();
                dataViewFile.Columns["MD5"].Visible = false;
                dataViewFile.Columns["路径"].Visible = false;

                dataViewFile.Columns["进度"].Width = dataViewFile.Width / 5;
                dataViewFile.Columns["文件"].Width = dataViewFile.Width / 5;
                dataViewFile.Columns["文件"].Width = dataViewFile.Width / 5 * 3;

                //当前
                var currentPath = AppDomain.CurrentDomain.BaseDirectory;
                var directionInfo = new DirectoryInfo(currentPath);
                var currentFileList = FindFile(directionInfo).Where(m => !m.Name.ToUpper().Contains("App.Config".ToUpper())).ToList();

                //新路径
                var newFilePath = AppDomain.CurrentDomain.BaseDirectory + data.Ver;

                var verFileList = data.VersionFileList.Where(m => !m.Name.ToUpper().Contains("App.Config".ToUpper())).ToList();

                var fileIndex = 0;
                pbrLoading.Maximum = verFileList.Count;
                foreach (var item in verFileList)
                {
                    if (currentFileList.Where(m => m.Md5.ToUpper() == item.MD5.ToUpper()).Count() > 0)
                    {
                        dataViewFile.Rows[fileIndex].DefaultCellStyle.ForeColor = Color.Red;
                        dataViewFile.Rows[fileIndex].Cells["进度"].Value = "100%";
                        pbrLoading.Value = pbrLoading.Value + 1;
                        dataViewFile.FirstDisplayedScrollingRowIndex = dataViewFile.Rows.Count - 1;
                        lbPercentage.Text = string.Format("{0:F}",
                             (fileIndex + 1) / (float)verFileList.Count() * 100) + "%";
                        dataViewFile.CurrentCell = dataViewFile.Rows[fileIndex + 1].Cells[0];
                        Application.DoEvents();
                    }
                    else
                    {
                        if (File.Exists(newFilePath + @"\" + item.Name))
                        {
                            File.Delete(newFilePath + @"\" + item.Name);
                        }
                        if (WebFileDown.DeownloadFile(AppConfig._WebApiURL + item.Path, newFilePath + @"\" + item.Name,
                                fileIndex, pbrLoading, lbPercentage, this.dataViewFile))
                        {
                            dataViewFile.Rows[fileIndex].DefaultCellStyle.ForeColor = Color.Red;
                            dataViewFile.Rows[fileIndex].Cells["进度"].Value = "100%";
                            pbrLoading.Value = pbrLoading.Value + 1;
                            dataViewFile.FirstDisplayedScrollingRowIndex = dataViewFile.Rows.Count - 1;
                            lbPercentage.Text = string.Format("{0:F}",
                              (fileIndex + 1) / (float)verFileList.Count() * 100) + "%";
                            dataViewFile.CurrentCell = dataViewFile.Rows[fileIndex + 1].Cells[0];
                        }
                        Application.DoEvents();
                    }
                    fileIndex++;
                }

                pbrLoading.Value = pbrLoading.Maximum;

                lbInfo.Text = "已经更新成功,等待进入系统......";
                for (int i = 0; i < dataViewFile.Rows.Count; i++)
                {
                    dataViewFile.DefaultCellStyle.ForeColor = Color.Red;
                    dataViewFile.Rows[i].Cells["进度"].Value = "100%";
                }

                return false;
            }
            else
            {
                this.Hide();
                lbInfo.Text = "已是最新版本,无需升级!";
                KillProcess("NXWMS");
                Process.Start(AppDomain.CurrentDomain.BaseDirectory + "NXWMS.exe", "");
                this.Close();
                return true;
            }


        }
        private void FrmUpgrade_Shown(object sender, EventArgs e)
        {
            InitData();
        }


        /// <summary>
        /// 文件剪切
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="oldFolder"></param>
        /// <param name="newFolder"></param>
        public void FileMove(string fileName, string oldFolder, string newFolder)
        {
            string dirPath = newFolder;
            string defaultPath = oldFolder;
            FileInfo file = new FileInfo(defaultPath);
            file.MoveTo(dirPath + @"\" + file.Name);
        }


        /// <summary>
        /// 遍历文件
        /// </summary>
        /// <param name="di"></param>
        /// <param name="filePath"></param>
        /// <returns></returns>
        private List<ToFileInfo> FindFile(DirectoryInfo di)
        {
            var verList = new List<ToFileInfo>();
            var fis = di.GetFiles().ToList();
            for (int i = 0; i < fis.Count; i++)
            {
                if (!string.IsNullOrWhiteSpace(GetMD5HashFromFile(fis[i].FullName)))
                {
                    verList.Add(new ToFileInfo
                    {
                        Name = fis[i].Name,
                        Path = fis[i].FullName,
                        Md5 = GetMD5HashFromFile(fis[i].FullName),
                    });
                }
            }
            return verList;
        }

        /// <summary>
        /// 关闭进程
        /// </summary>
        /// <param name="processName">进程名</param>
        public void KillProcess(string processName)
        {
            Process[] myproc = Process.GetProcesses();
            foreach (Process item in myproc)
            {
                if (item.ProcessName == processName)
                {
                    item.Kill();
                }
            }
        }

        /// <summary>
        /// 获取文件MD5
        /// </summary>
        /// <param name="fileName"></param>
        /// <returns></returns>
        private string GetMD5HashFromFile(string fileName)
        {
            try
            {
                var file = new FileStream(fileName, FileMode.Open);
                System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
                byte[] retVal = md5.ComputeHash(file);
                file.Close();

                StringBuilder sb = new StringBuilder();
                for (int i = 0; i < retVal.Length; i++)
                {
                    sb.Append(retVal[i].ToString("x2"));
                }
                return sb.ToString();
            }
            catch (Exception ex)
            {
                //throw new Exception("GetMD5HashFromFile() fail,error:" + ex.Message);
                return "";
            }
        }
    }
}