using MaiMuAOI.SysCtrl;
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.Tasks;
using System.Windows.Forms;
using ToolKits.Log;

namespace MaiMuAOI.SysUI.SysSet
{
    public partial class SysLogFrm : Form
    {
        private List<string> logPath = new List<string>();
        public SysLogFrm()
        {
            InitializeComponent();
            UIStyle.SetUIStyle(this);
            this.uiTitel1.FatherForm = this;
        }
        //文件按创建日期排序
        /// <summary>
        /// 文件按创建日期排序
        /// </summary>
        /// <param name="o1"></param>
        /// <param name="o2"></param>
        /// <returns></returns>
        int Compare(Object o1, Object o2)
        {
            string fi1 = o1 as string;
            string fi2 = o2 as string;
            fi1 = fi1.Replace(".log", "0");      //将非数字字符全转为0
            fi1 = fi1.Replace('-', '0');
            fi2 = fi2.Replace(".log", "0");
            fi2 = fi2.Replace('-', '0');
            return Int64.Parse(fi2).CompareTo(Int64.Parse(fi1));
        }
        string[] GetLogFile()
        {
            int num = 0;
            string[] Dirs = Directory.GetDirectories(ConfMgr.Instance.SysConfigParams.LogPath);
            List<string> list = new List<string>();
            for (int i = 0; i < Dirs.Length; i++)
            {
                string[] files = Directory.GetFiles(Dirs[i]);
                list.AddRange(files);
            }

            string[] array = list.ToArray();
            foreach (string text in array)
            {
                logPath.Add(text);
                array[num] = text.Substring(text.LastIndexOf("\\") + 1);
                num++;
            }

            Array.Sort(array, Compare);
            return array;
        }

        private void SysLogFrm_Load(object sender, EventArgs e)
        {
            //加载所有log文件
            string[] logfiles = GetLogFile();
            this.loglistView.BeginUpdate();   //数据更新，UI暂时挂起，直到EndUpdate绘制控件，可以有效避免闪烁并大大提高加载速度
            loglistView.Items.Clear();
            for (int i = 0; i < logfiles.Length; i++)
            {
                ListViewItem lvi = new ListViewItem();
                lvi.Text = logfiles[i];
                this.loglistView.Items.Add(lvi);
            }
            this.loglistView.EndUpdate();  //结束数据处理，UI界面一次性绘制。
        }

        private void listLogFile_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            string path = "";
            foreach(var t in logPath)
            {
                if (t.IndexOf(loglistView.SelectedItems[0].Text) > 0)
                {
                    path = t;
                    break;
                }
            }
            if(string.IsNullOrEmpty(path))
                return;
            this.Cursor = Cursors.WaitCursor;
            //读取文件内容
            //string text = System.IO.File.ReadAllText(path);
            string text = ReadTxtFile(path);
            tbLog.Text = text;
            this.Cursor = Cursors.Default;
        }
        private string ReadTxtFile(string fileName)
        {

            string txt = "";
            // var fileDir = this.txtFileFolder.Text.Trim();
            var fileDir = fileName;

            byte[] allBytes = null;

            byte[] buffer = new byte[1024];//一个1K的缓冲字节容器
            Stopwatch stopwatch = new Stopwatch();
            stopwatch.Restart();
            using (MemoryStream ms = new MemoryStream())
            {
                using (FileStream fs = new FileStream(fileDir, FileMode.Open, FileAccess.Read))
                {
                    int positon = 0;
                    while ((positon = fs.Read(buffer, 0, buffer.Length)) > 0)
                    {
                        ms.Write(buffer, 0, positon);

                    }

                    allBytes = ms.ToArray();
                }

            }
            stopwatch.Stop();
            // MessageBox.Show($"StreamReader StreamWriter 程序运行花费的时间:{(double)stopwatch.ElapsedMilliseconds / 1000:0.000} secs");

            if (null != allBytes)
            {
                //尝试将字节转成字符串
                txt = System.Text.Encoding.UTF8.GetString(allBytes);
                // this.richTextBox_Result.Text = txt;

            }
            string[] txtToArray = txt.Split('\r');
            //  ReadData_List.Add(txtToArray);
            return txt;

        }
    }
}