using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace wcfControlMonitorClient
{
    public partial class FrmBrowseDarkCasket : Form
    {
        private static string filePath;

        private static FrmBrowseDarkCasket _formInstance;

        public static FrmBrowseDarkCasket FormInstance
        {
            get
            {
                if (_formInstance == null)
                {
                    _formInstance = new FrmBrowseDarkCasket();
                }
                return _formInstance;
            }
            set { _formInstance = value; }
        }
        public FrmBrowseDarkCasket()
        {
            InitializeComponent();
            _formInstance = this;
        }

        // 刷新按钮， 窗口登录时调用该函数。
        private void button1_Click(object sender, EventArgs e)
        {
            if (comboBoxFileName.Text=="")
            {
                MessageBox.Show(" 请选择黑匣子文件!", "误操作提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);

                return;
            }
            string filename = comboBoxFileName.Text;

            filename = string.Format("{0}\\{1}", filePath, filename);

            if (File.Exists(filename) == false)
            {
                MessageBox.Show(" 选择的黑匣子文件不存在!", "误操作提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);

                return ;
            }
            this.Text = comboBoxFileName.Text;
            //string[] files = Directory.GetFiles(filePath, "*.log", SearchOption.TopDirectoryOnly);//20101220，只查找LOG文件，避免查找到其它类型的文件
            //if (files != null)
            //{
            //    Array.Sort(files);//20100726
            //    if (files.Length < 1) return;
            //}
            //else
            //{
            //    return;
            //}
            //string[] files=Directory.GetFiles(filePath);
            //Array.Sort(files);
            // 目录为空时候返回

            //string opf=files[files.Length - 1];
            string opf = filename;
            string[] cc=new string[1]{"**"};
            string[] sp = null;

            //string filename = opf.Substring(opf.LastIndexOf('\\') + 1);
         
            //this.Text = filename; 
            using( StreamReader sr = new StreamReader(opf))
            {
                this.listView1.Items.Clear();
                sr.ReadLine();
                while(!sr.EndOfStream)
                {
                    sp=sr.ReadLine().Split(cc,StringSplitOptions.RemoveEmptyEntries);
                    
                    // 添加判断条件过滤信息 2011-05-26 zb
                    if (comboBoxDevice.SelectedIndex > 0 || comboBoxDevice.Text != String.Empty)
                    {
                        if (comboBoxDevice.Text != sp[3])
                        {
                            continue;
                        }
                        
                    }

                    string ss = sp[0];
                    char[] st = new char[1] { ':' };
                    string[] sf=sp[0].Split(st);
                    DateTime dt ;
                    if (sf.Length < 2) continue;
                    if (DateTime.TryParse(sf[0] + ":" + sf[1] + ":" + sf[2], out dt) == false) continue;
                    
                    if ((dt.Hour < this.numericUpDown1.Value) || ((dt.Hour > this.numericUpDown2.Value)))
                    {
                        continue;
                    }


                    if (sp.GetLength(0) > 0)
                    {
                        ListViewItem lvi = new ListViewItem();
                        lvi.Text = sp[0];
                        for (int i = 1; i < sp.GetLength(0); i++)
                        {
                            lvi.SubItems.Add(sp[i]);
                        }
                        listView1.Items.Add(lvi);
                        lvi = null;
                    }
                    
                    
                }
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("您确认要删除当前黑匣子文件吗", "操作提示：", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) != DialogResult.OK)
            {
                return;
            }
            string filePath = System.IO.Path.GetFullPath(System.Reflection.Assembly.GetExecutingAssembly().GetName().ToString());
            filePath = System.IO.Path.GetDirectoryName(filePath);
            filePath = System.IO.Path.Combine(filePath, "DarkCasket");
            if (Directory.Exists(filePath) == false)
            {
                return;
            }
            string[] files = Directory.GetFiles(filePath);
            if (files.Length < 1) return;
            File.Delete(files[files.Length - 1]);
            this.listView1.Items.Clear();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void FrmBrowseDarkCasket_Load(object sender, EventArgs e)
        {
            filePath = System.IO.Path.GetFullPath(System.Reflection.Assembly.GetExecutingAssembly().GetName().ToString());
            filePath = System.IO.Path.GetDirectoryName(filePath);
            filePath = System.IO.Path.Combine(filePath, "DarkCasket");
            btFresh_Click(sender, e);
        }

        private void FrmBrowseDarkCasket_FormClosing(object sender, FormClosingEventArgs e)
        {
            _formInstance = null;
        }

        private void GetDarkCasketFileNames()
        {
            try
            {
                string[] files = Directory.GetFiles(filePath, "*.log", SearchOption.TopDirectoryOnly);//20101220，只查找LOG文件，避免查找到其它类型的文件
                if (files != null)
                {
                    Array.Reverse(files);
                    if (files.Length < 1) return;
                }
                else
                {
                    return;
                }
                string filename;
                for (int i = 0; i < files.Length; i++)
                {
                    filename = files[i].Substring(files[i].LastIndexOf('\\') + 1);
                    comboBoxFileName.Items.Add(filename);

                }
                comboBoxFileName.SelectedIndex = 0;
            }
            catch(Exception ex)
            {
                throw ex;
            }
        }

        private void btFresh_Click(object sender, EventArgs e)
        {
            GetDarkCasketFileNames();
        }
    }
}