using JiangsuEarthquake.Common;
using JiangsuEarthquake.DataAccess;
using JiangsuEarthquake.Models;
using JiangsuEarthquake.Views;
using JiangsuEarthquake.Views.UserControls;
using LiveCharts;
using LiveCharts.Defaults;
using LiveCharts.Wpf;
using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;

namespace JiangsuEarthquake.ViewModels
{
    public class BoosterStationStateDataViewModel : NotifyBase
    {
        public BoosterStationStateDataModel boosterStationStateDataModel { get; set; } = new BoosterStationStateDataModel();

        public BoosterStationStateDataView boosterStationStateDataView { get; set; } = new BoosterStationStateDataView();


        #region SearchData

        private DateTime _startDateTime;

        public DateTime StartDateTime
        {
            get { return _startDateTime; }
            set { Set(ref _startDateTime, value); }
        }

        private DateTime _endDateTime;

        public DateTime EndDateTime
        {
            get { return _endDateTime; }
            set { Set(ref _endDateTime, value); }
        }

        int PageIndex = 0;

        private int recordCount;

        public int RecordCount
        {
            get { return recordCount; }
            set { recordCount = value; this.DoNotify(); }
        }

        private int totalPage;

        public int TotalPage
        {
            get { return totalPage; }
            set { totalPage = value; this.DoNotify(); }
        }

        private string boosterStationStateMsg;

        public string BoosterStationStateMsg
        {
            get { return boosterStationStateMsg; }
            set { boosterStationStateMsg = value; this.DoNotify(); }
        }
        #endregion


        #region Coordinate Axis
        public SeriesCollection seriesCollection;

        public SeriesCollection SeriesCollection
        {
            get { return seriesCollection; }
            set
            {
                seriesCollection = value;
                this.DoNotify();
            }
        }

        private Func<double, string> _xFormatter;

        public Func<double, string> XFormatter
        {
            get { return _xFormatter; }
            set
            {
                _xFormatter = value;
                this.DoNotify();
            }
        }

        private Func<double, string> _yFormatter1;

        public Func<double, string> YFormatter1
        {
            get { return _yFormatter1; }
            set
            {
                _yFormatter1 = value;
                this.DoNotify();
            }
        }

        private Func<double, string> _yFormatter2;

        public Func<double, string> YFormatter2
        {
            get { return _yFormatter2; }
            set
            {
                _yFormatter2 = value;
                this.DoNotify();
            }
        }
        #endregion


        private ObservableCollection<BoosterStationStateDataModel> boosterStationStateDataList = new ObservableCollection<BoosterStationStateDataModel>();

        public ObservableCollection<BoosterStationStateDataModel> BoosterStationStateDataList
        {
            get { return boosterStationStateDataList; }
            set { boosterStationStateDataList = value; this.DoNotify(); }
        }

        private ObservableCollection<BoosterStationStateDataModel> totalBoosterStationStateDataList = new ObservableCollection<BoosterStationStateDataModel>();

        public ObservableCollection<BoosterStationStateDataModel> TotalBoosterStationStateDataList
        {
            get { return totalBoosterStationStateDataList; }
            set { totalBoosterStationStateDataList = value; this.DoNotify(); }
        }

        public CommandBase ForwordBoosterStationStateCommand { get; set; }  //读取日志信息

        public CommandBase NextBoosterStationStateCommand { get; set; }     //读取日志信息

        int station_id = 1;


        #region Data Filtering
        public static DialogViewModel vm;

        private bool _isChecked;

        public bool IsChecked
        {
            get { return _isChecked; }
            set
            {
                _isChecked = value;
                this.DoNotify();

                string timeSearch = "";
                if (IsChecked)
                {
                    if (string.IsNullOrEmpty(EndDateTime.ToString()) || string.IsNullOrEmpty(StartDateTime.ToString()))
                    {
                        IsChecked = false;
                        return;
                    }

                    if (EndDateTime < StartDateTime)
                    {
                        HandyControl.Controls.Dialog.Show(new TextDialog("起始时间大于结束时间，\n请重新输入！"));
                        //this.EndDateTime = DateTime.Now;
                        //this.StartDateTime = DateTime.Now.AddDays(-1);
                        IsChecked = false;
                        return;
                    }

                    timeSearch = " and DataTime BETWEEN '" + StartDateTime + "' and '" + EndDateTime + "' ";
                }
                else
                {
                    timeSearch = "";
                }

                //设置当前页为1
                PageIndex = 1;

                TotalBoosterStationStateDataList.Clear();
                BoosterStationStateDataList.Clear();

                var chartValuesTeam1 = new ChartValues<DateTimePoint>();
                var chartValuesTeam2 = new ChartValues<DateTimePoint>();
                string sql = String.Format("select RecordTime,In_Vol,In_Cur from boosterstationstate where StationID = {0} {1} ORDER by id desc limit 100", station_id, timeSearch);
                MySqlDataReader dataReader = DBHelper.ExecuteReader(sql, 1);
                int index = 1;
                while (dataReader.Read())
                {
                    BoosterStationStateDataModel boosterStationStateDataModel = new BoosterStationStateDataModel();
                    boosterStationStateDataModel.Index = index++;
                    boosterStationStateDataModel.DataTime = Convert.ToDateTime(dataReader["RecordTime"]);
                    boosterStationStateDataModel.In_Vol = Convert.ToSingle(string.IsNullOrEmpty(dataReader["In_Vol"].ToString()) ? "0" : dataReader["In_Vol"]);
                    boosterStationStateDataModel.In_Cur = Convert.ToSingle(string.IsNullOrEmpty(dataReader["In_Cur"].ToString()) ? "0" : dataReader["In_Cur"]);
                    TotalBoosterStationStateDataList.Add(boosterStationStateDataModel);

                    if (!Convert.IsDBNull(dataReader["In_Vol"]) && !Convert.IsDBNull(dataReader["In_Cur"]))
                    {
                        chartValuesTeam1.Add(new DateTimePoint
                        {
                            Value = Convert.ToSingle(dataReader["In_Vol"]),
                            DateTime = Convert.ToDateTime(dataReader["RecordTime"]),
                        });
                        chartValuesTeam2.Add(new DateTimePoint
                        {
                            Value = Convert.ToSingle(dataReader["In_Cur"]),
                            DateTime = Convert.ToDateTime(dataReader["RecordTime"]),
                        });
                    }
                }
                dataReader.Dispose();

                RecordCount = index - 1;
                if (RecordCount <= 10)
                {
                    TotalPage = 1;

                    BoosterStationStateDataList = TotalBoosterStationStateDataList;
                }
                else
                {
                    TotalPage = (int)Math.Ceiling((double)RecordCount / 10);

                    for (int i = 0; i < 10; i++)
                    {
                        BoosterStationStateDataList.Add(TotalBoosterStationStateDataList[i]);
                    }
                }

                BoosterStationStateMsg = string.Format("共计{0}页，当前第{1}页", TotalPage, PageIndex);

                SeriesCollection = new SeriesCollection
                {
                    new LineSeries
                    {
                        Title = "输入电压",
                        Values =chartValuesTeam1,
                        LineSmoothness = 0,
                        ScalesYAt = 0,
                        Stroke = new SolidColorBrush(Color.FromArgb(255, 43, 237, 241)),
                        Fill = new SolidColorBrush(Colors.Transparent)
                    },
                    new LineSeries
                    {
                        Title = "输入电流",
                        Values = chartValuesTeam2,
                        LineSmoothness = 0,
                        ScalesYAt = 1,
                        Stroke = new SolidColorBrush(Color.FromArgb(255, 255, 165, 0)),
                        Fill = new SolidColorBrush(Colors.Transparent)
                    },
                };
                XFormatter = val => new DateTime((long)val).ToString("MM/dd HH:mm");
                YFormatter1 = val => val.ToString("F2") + " V";
                YFormatter2 = val => val.ToString("F2") + " A";
            }
        }
        #endregion


        public BoosterStationStateDataViewModel(int id)
        {
            // 默认查询1天内的日志
            this.EndDateTime = DateTime.Now;
            this.StartDateTime = DateTime.Now.AddDays(-1);

            PageIndex = 1;
            station_id = id;

            vm = new DialogViewModel
            {
                Content = ""
            };

            this.ForwordBoosterStationStateCommand = new CommandBase();
            this.ForwordBoosterStationStateCommand.DoExcute = new Action<object>(ForwordBoosterStationState);
            this.ForwordBoosterStationStateCommand.DoCanExcute = new Func<object, bool>((o) => true);

            this.NextBoosterStationStateCommand = new CommandBase();
            this.NextBoosterStationStateCommand.DoExcute = new Action<object>(NextBoosterStationState);
            this.NextBoosterStationStateCommand.DoCanExcute = new Func<object, bool>((o) => true);
        }


        #region Page Switching
        public void ForwordBoosterStationState(object o)
        {
            if (PageIndex == 1)
                return;
            PageIndex -= 1;

            BoosterStationStateDataList.Clear();
            for (int i = 0; i < 10; i++)
            {
                BoosterStationStateDataList.Add(TotalBoosterStationStateDataList[i + (PageIndex - 1) * 10]);
            }
            BoosterStationStateMsg = string.Format("共计{0}页，当前第{1}页", TotalPage, PageIndex);
        }

        public void NextBoosterStationState(object o)
        {
            if (PageIndex == TotalPage)
                return;
            PageIndex += 1;

            BoosterStationStateDataList.Clear();
            for (int i = 0; i < (PageIndex == TotalPage ? (RecordCount - (PageIndex - 1) * 10) : 10); i++)
            {
                BoosterStationStateDataList.Add(TotalBoosterStationStateDataList[i + (PageIndex - 1) * 10]);
            }
            BoosterStationStateMsg = string.Format("共计{0}页，当前第{1}页", TotalPage, PageIndex);
        }
        #endregion

    }
}