/* ****************************************************************************

 *

 * Copyright (c) Microsoft Corporation. 

 *

 * This source code is subject to terms and conditions of the Microsoft Public License. A

 * copy of the license can be found at http://go.microsoft.com/fwlink/?LinkID=131993. If

 * you cannot locate the Microsoft Public License, please send an email to

 * mixon@microsoft.com. By using this source code in any fashion, you are agreeing to

 * be bound by the terms of the Microsoft Public License.

 *

 * You must not remove this notice, or any other, from this software.

 *

 *

 * ***************************************************************************/



using System;

using System.Collections.ObjectModel;

using System.ComponentModel;



namespace MIXOnline.Descry

{

    public enum Unit { FifteenMinute, Hour, HalfDay, Day, Week, Month, Year };



    public class View : INotifyPropertyChanged

    {

        private Unit _unit;

        public Unit Unit

        {

            get { return _unit; }

            set { _unit = value; }

        }



        private string _name;

        public string Name

        {

            get { return _name; }

            set { _name = value; }

        }



        private TimeSpan _timeSpan;

        public TimeSpan TimeSpan

        {

            get { return _timeSpan; }

            set { _timeSpan = value; }

        }



        private int _columns;



        public int Intervals

        {

            get { return _columns; }

            set { _columns = value; }

        }



        private bool _isChecked;



        public bool IsChecked

        {

            get { return _isChecked; }

            set

            {

                _isChecked = value;

                NotifyPropertyChanged("IsChecked");

            }

        }



        #region INotifyPropertyChanged Members



        public event PropertyChangedEventHandler PropertyChanged;



        private void NotifyPropertyChanged(String info)

        {

            if (PropertyChanged != null)

            {

                PropertyChanged(this, new PropertyChangedEventArgs(info));

            }

        }



        #endregion

    }



    public class Views : ObservableCollection<View>

    {

        public Views()

        {

            //this.Add(new View() { Name = "FifteenMinute", Unit = Unit.FifteenMinute, TimeSpan = new TimeSpan(0, 0, 15, 0),  Intervals = 15 });

            this.Add(new View() { Name = "Hour",      Unit = Unit.Hour,      TimeSpan = new TimeSpan(0, 1, 0, 0),   Intervals = 12 });

            this.Add(new View() { Name = "Day",       Unit = Unit.Day,       TimeSpan = new TimeSpan(1, 0, 0, 0),   Intervals = 12, IsChecked = true});

            //this.Add(new View() { Name = "HalfDay",   Unit = Unit.HalfDay,   TimeSpan = new TimeSpan(0, 12, 0, 0),  Intervals = 12 });

            this.Add(new View() { Name = "Week",      Unit = Unit.Week,      TimeSpan = new TimeSpan(7, 0, 0, 0),   Intervals = 7 }); // one per day

            this.Add(new View() { Name = "Month",     Unit = Unit.Month,     TimeSpan = new TimeSpan(31, 0, 0, 0),  Intervals = 31 }); // since they're 31 days we'll round up so index works better.

            this.Add(new View() { Name = "Year",      Unit = Unit.Year,      TimeSpan = new TimeSpan(366, 0, 0, 0), Intervals = 12 });

        }



        public static View GetViewForUnits(Unit unit)

        {

            foreach (View view in new Views())

            {

                if (view.Unit == unit)

                    return view;

            }

            return null;

        }



        public View GetView(string viewname)

        {

            foreach (View view in this)

            {

                if (view.Name == viewname)

                    return view;

            }

            return null;

        }



        private int _selectedIndex = 0;



        public int SelectedIndex

        {

            get { return _selectedIndex; }

            set { _selectedIndex = value; }

        }



        static public DateTime GetStartingTimeForView(View view)

        {

            DateTime result = DateTime.Now;



            DateTime now = DateTime.Now;



            switch (view.Unit)

            {

                case Unit.FifteenMinute:

                    result = new DateTime(now.Year, now.Month, now.Day, now.Hour, 0, 0); // TODO: starting time

                    break;



                case Unit.Day:

                    result = now.Date; // starting time is at beginning of day

                    break;

                case Unit.Hour:

                    result = new DateTime(now.Year, now.Month, now.Day, now.Hour, 0, 0); // starting time is at beginning of hour

                    break;

                case Unit.Month:

                    result = new DateTime(now.Year, now.Month, 1, 0, 0, 0); // starting time is at beginning of month

                    break;

                case Unit.Week:

                    result = new DateTime(now.Year, now.Month, now.Day) - new TimeSpan((int)now.DayOfWeek, 0, 0, 0); // figure out what day of the week it is and start the week on Sunday

                    break;

                case Unit.Year:

                    result = new DateTime(now.Year, 1, 1); // starting time is at beginning of year

                    break;

                //case Unit.HalfDay:

                    //break;

            }

            return result;

        }





    }

}