using MECF.Framework.UI.Client.ClientBase;
using System;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Controls;

namespace MECF.Framework.UI.Client.CenterViews.DataLogs.Event
{
    public class SelectDateViewModel : BaseModel
    {

        private SelectDateView view;
        TextBox[] tbboxs;
        private string _year;
        public string Year
        {
            get
            {
                return _year;
            }
            set
            {
                _year = value;
                NotifyOfPropertyChange("Year");
            }
        }
        private string _month;
        public string Month
        {
            get
            {
                return _month.PadLeft(2, '0');
            }
            set
            {
                _month = value;
                NotifyOfPropertyChange("Month");
            }
        }
        private string _day;
        public string Day
        {
            get
            {
                return _day.PadLeft(2, '0');
            }
            set
            {
                _day = value;
                NotifyOfPropertyChange("Day");
            }
        }
        private string _hour;
        public string Hour
        {
            get
            {
                return _hour.PadLeft(2, '0');
            }
            set
            {
                _hour = value;
                NotifyOfPropertyChange("Hour");
            }
        }
        private string _minute;
        public string Minute
        {
            get
            {
                return _minute.PadLeft(2, '0');
            }
            set
            {
                _minute = value;
                NotifyOfPropertyChange("Minute");
            }
        }
        private string _second;
        public string Second
        {
            get
            {
                return _second.PadLeft(2, '0');
            }
            set
            {
                _second = value;
                NotifyOfPropertyChange("Second");
            }
        }
        public DateTime SearchDate { get; set; }
        public DateTime tempDate;
        public SelectDateViewModel(DateTime date)
        {
            tempDate = date;

        }
        protected override void OnViewLoaded(object _view)
        {
            //base.OnViewLoaded(_view);
            //this.view = (SelectDateView)_view;
            //this.view.tbYear.Focus();
            //this.view.tbYear.SelectAll();
            //tbboxs = new TextBox[6] {this.view.tbYear,this.view.tbMonth,this.view.tbDay,this.view.tbHour,this.view.tbMinute,this.view.tbSecond};
        }
        protected override void OnActivate()
        {
            base.OnActivate();
            Year = tempDate.Year.ToString();
            Month = tempDate.Month.ToString();
            Day = tempDate.Day.ToString();
            Hour = tempDate.Hour.ToString();
            Minute = tempDate.Minute.ToString();
            Second = tempDate.Second.ToString();
            string date = Year + "-" + Month + "-" + Day + " " + Hour + ":" + Minute + ":" + Second;
            SearchDate = Convert.ToDateTime(date);
            this.view = (GetView() as Window).Content as SelectDateView;

            tbboxs = new TextBox[6] { this.view.tbYear, this.view.tbMonth, this.view.tbDay, this.view.tbHour, this.view.tbMinute, this.view.tbSecond };
            this.view.tbYear.Focus();
            this.view.tbYear.SelectAll();
        }
        public void SaveDate()
        {
            //if (Convert.ToInt32(Day) > GetCurrentMonthMaxDay() || Convert.ToInt32(Day) < 1)
            //{
            //    DialogBox.ShowDialog(DialogButton.OK, DialogType.WARNING, $"The maximum number of days in the current month is {GetCurrentMonthMaxDay()},please enter again!");
            //    return;
            //}
            DateTime dateTime;
            string date = Year + "-" + Month + "-" + Day + " " + Hour + ":" + Minute + ":" + Second;
            if (DateTime.TryParse(date, out dateTime))
            {
                SearchDate = dateTime;
                this.TryClose(true);
            }
        }
        public void Close()
        {
            this.TryClose();
        }
        private int GetCurrentMonthMaxDay()
        {
            int days = 0;
            switch (Convert.ToInt32(Month))
            {
                case 1:
                    days = 31;
                    break;
                case 2:
                    if (Convert.ToInt32(Year) % 4 == 0 && Convert.ToInt32(Year) % 100 != 0 || Convert.ToInt32(Year) % 400 == 0)
                        days = 29;
                    else
                        days = 28;
                    break;
                case 3: days = 31; break;
                case 4: days = 30; break;
                case 5: days = 31; break;
                case 6: days = 30; break;
                case 7: days = 31; break;
                case 8: days = 31; break;
                case 9: days = 30; break;
                case 10: days = 31; break;
                case 11: days = 30; break;
                case 12: days = 31; break;
            }
            return days;
        }
        [DllImport("user32.dll")]
        public static extern int GetFous();
        public void MoveFous(string Direction)
        {
            for (int i = 0; i < tbboxs.Length; i++)
            {
                if (tbboxs[i].IsFocused)
                {
                    if (Direction == "Left")
                    {
                        if (i == 0)
                        {
                            tbboxs[i].Focus();
                            tbboxs[i].SelectAll();
                            break;
                        }
                        else
                        {
                            tbboxs[i - 1].Focus();
                            tbboxs[i - 1].SelectAll();
                            break;
                        }
                    }
                    else
                    {
                        if (i == 5)
                        {
                            tbboxs[i].Focus();
                            tbboxs[i].SelectAll();
                            break;
                        }
                        else
                        {
                            tbboxs[i + 1].Focus();
                            tbboxs[i + 1].SelectAll();
                            break;
                        }
                    }
                }
            }
        }
        public void ChangeValue(string Operation)
        {
            for (int i = 0; i < tbboxs.Length; i++)
            {
                if (tbboxs[i].IsFocused)
                {
                    if (Operation == "Add")
                    {
                        tbboxs[i].Text = (Convert.ToInt32(tbboxs[i].Text) + 1).ToString();
                        if (i == 1)
                        {
                            if (Convert.ToInt32(tbboxs[i].Text) > 12)
                                tbboxs[i].Text = "1";
                        }
                        if (i == 2)
                        {
                            if (Convert.ToInt32(tbboxs[i].Text) > GetCurrentMonthMaxDay())
                                tbboxs[i].Text = "1";
                        }
                        if (i == 3)
                        {
                            if (Convert.ToInt32(tbboxs[i].Text) > 23)
                                tbboxs[i].Text = "0";
                        }
                        if (i == 4 || i == 5)
                        {
                            if (Convert.ToInt32(tbboxs[i].Text) > 59)
                                tbboxs[i].Text = "0";
                        }
                        break;
                    }
                    else
                    {
                        int temp = Convert.ToInt32(tbboxs[i].Text) - 1;
                        tbboxs[i].Text = temp.ToString();
                        if (i == 1)
                        {
                            if (Convert.ToInt32(tbboxs[i].Text) < 1)
                                tbboxs[i].Text = "12";
                        }
                        if (i == 2)
                        {
                            if (Convert.ToInt32(tbboxs[i].Text) < 1)
                                tbboxs[i].Text = GetCurrentMonthMaxDay().ToString();
                        }
                        if (i == 3)
                        {
                            if (Convert.ToInt32(tbboxs[i].Text) < 1)
                                tbboxs[i].Text = "23";
                        }
                        if (i == 4 || i == 5)
                        {
                            if (Convert.ToInt32(tbboxs[i].Text) < 1)
                                tbboxs[i].Text = "59";
                        }
                        break;
                    }
                }
            }
        }
    }
}