using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using System.Threading;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Input;
using GummingCommon;
using GummingEntity;
using GummingSupport;
using GummingControl;
using System.Text;
using GummingBusiness;
using Newtonsoft.Json;
using GummingLine;

namespace Gumming
{
    public class OperationViewModule : ViewModelBase
    {
        #region base parameters
        private int rows = 20;
        private int pagenumber = 1;
        public OperationView View { get; set; }
        private bool IsConfirm;
        private bool isLoading;
        private AppEnum.PathType _CurrentPathType;
        public AppEnum.PathType CurrentPathType
        {
            get
            {
                return _CurrentPathType;
            }
            set
            {
                _CurrentPathType = value;
                OnPropertyChanged("CurrentPathType");
            }
        }
        #endregion

        #region constructor
        public OperationViewModule()
        {
            View = new OperationView();
            View.DataContext = this;

            InitializeCommands();
            InitializeParameters();
        }

        private void InitializeCommands()
        {
            ExportCommand = new DelegateCommand(OnExportCommand);
            QueryCommand = new DelegateCommand(OnQueryCommand);
        }

        public override void InitializeParameters(object content = null)
        {
            IsConfirm = false;
            WindowTitle = "";
            StartDate = DateTime.Now.AddDays(-1);
            EndDate = DateTime.Now;

            PagerControlViewer = new PagerControlViewModule();
            PagerControlViewer.OnPager += new PagerControlViewModule.PagerHandler(PagerControlView_OnPager);

            var thread = new Thread(new ParameterizedThreadStart(StartLoadTestItem)) { IsBackground = true };
            thread.Start();
        }
       
        ~OperationViewModule()
        {
        }
        
        #endregion

        #region Binding Properties
        public string WindowTitle { get; private set; }
        private string _TotalRecords;
        public string TotalRecords
        {
            get
            {
                return _TotalRecords;
            }
            set
            {
                _TotalRecords = value;
                OnPropertyChanged("TotalRecords");
            }
        }
        private int _Warnings;
        public int Warnings
        {
            get
            {
                return _Warnings;
            }
            set
            {
                _Warnings = value;
                OnPropertyChanged("Warnings");
            }
        }

        private int _Alarms;
        public int Alarms
        {
            get
            {
                return _Alarms;
            }
            set
            {
                _Alarms = value;
                OnPropertyChanged("Alarms");
            }
        }

        private int _Totals;
        public int Totals
        {
            get
            {
                return _Totals;
            }
            set
            {
                _Totals = value;
                OnPropertyChanged("Totals");
            }
        }
        private DateTime _StartDate;
        public DateTime StartDate
        {
            get
            {
                return _StartDate;
            }
            set
            {
                _StartDate = value;
                OnPropertyChanged("StartDate");
            }
        }
        private DateTime _EndDate;
        public DateTime EndDate
        {
            get
            {
                return _EndDate;
            }
            set
            {
                _EndDate = value;
                OnPropertyChanged("EndDate");
            }
        }


        private string _KeyWord;
        public string KeyWord
        {
            get
            {
                return _KeyWord;
            }
            set
            {
                _KeyWord = value;
                OnPropertyChanged("KeyWord");
            }
        }

        private ObservableCollection<SysOperationEntity> _SysOperations;
        public ObservableCollection<SysOperationEntity> SysOperations
        {
            get
            {
                return _SysOperations;
            }
            set
            {
                _SysOperations = value;
                OnPropertyChanged("SysOperations");
            }
        }
        private PagerControlViewModule _PagerControlViewer;
        public PagerControlViewModule PagerControlViewer
        {
            get { return _PagerControlViewer; }
            set
            {
                _PagerControlViewer = value;
                OnPropertyChanged("PagerControlViewer");
            }
        }
        #endregion

        #region Binding Commands
        private ICommand _QueryCommand;
        public ICommand QueryCommand
        {
            get
            {
                return _QueryCommand;
            }
            set
            {
                _QueryCommand = value;
                OnPropertyChanged("QueryCommand");
            }
        }
        private ICommand _ExportCommand;
        public ICommand ExportCommand
        {
            get
            {
                return _ExportCommand;
            }
            set
            {
                _ExportCommand = value;
                OnPropertyChanged("ExportCommand");
            }
        }
        #endregion

        #region Private Methods
        private void PagerControlView_OnPager(int currentpagenumber, int currentrows)
        {
            pagenumber = currentpagenumber;
            rows = currentrows;

            if (!isLoading)
            {
                Thread t = new Thread(StartLoadTestItem);
                t.IsBackground = true;
                t.Start();
            }
        }
        private void StartLoadTestItem(object key)
        {
            try
            {
                isLoading = true;

                SysOperations = new ObservableCollection<SysOperationEntity>();
                string keycheck = " and 1= 1";
                if (!string.IsNullOrWhiteSpace(KeyWord))
                {
                    keycheck = " and (LogPage like '%"+ KeyWord.Trim() + "%' or CreateBy like '%" + KeyWord.Trim() + "%' or LogDetail like '%" + KeyWord.Trim() + "%') ";
                }
                var record = SysOperationDA.Load(new PagerEntity() { PageIndex = pagenumber, Rows = rows, Conditions 
                    = " and CreateTime >='"+StartDate.ToString("yyyy-MM-dd 00:00:00")+ "' and CreateTime <='" + EndDate.ToString("yyyy-MM-dd 23:59:59") + "' " + keycheck
                });
                List<SysOperationEntity> logs = (List<SysOperationEntity>)record.rows;
               
                View.Dispatcher.Invoke((Action)(() =>
                {
                    foreach (var s in logs)
                    {
                        SysOperations.Add(s);
                    }
                    OnPropertyChanged("HartLog");
                    TotalRecords = string.Format("ÉèÖüǼÊý: {0}", record.records);//.ToString("D5"));
                    PagerControlViewer.SetPager(rows, record.page, record.total, record.Count, record.records);
                    isLoading = false;
                }));
            }
            catch (Exception ex)
            {
                LogService.WriteErrorLog(ex);
                ShowErrorBox("Error:" + ex.Message);
                return;
            }
            finally
            {
                CloseProgressView();
            }
        }
        private void OnQueryCommand(Object sender)
        {
            var thread = new Thread(new ParameterizedThreadStart(StartLoadTestItem)) { IsBackground = true };
            thread.Start();
        }
        private void OnExportCommand(Object sender)
        {
            SaveFileDialog saveDialog = new SaveFileDialog();
            saveDialog.Filter = "*.xlsx|*.xlsx";
            DialogResult dr = saveDialog.ShowDialog();
            if (dr == DialogResult.OK && saveDialog.FileName.Length > 0)
            {
                string targetFile = saveDialog.FileName;
                if (File.Exists(targetFile))
                {
                    File.Delete(targetFile);
                }
                SysOperationExport.Export(SysOperations, targetFile);
            }
        }
        #endregion
    }
}