using System;
using InABox.Core;

namespace Comal.Classes
{
    [UserTracking("Timesheets")]
    public class TimeSheet : Entity, IPersistent, IRemotable, IOneToMany<Employee>, IOneToMany<Job>,
        ILicense<TimeManagementLicense>,
        IExportable, IImportable
    {
        [EditorSequence(1)]
        public EmployeeLink EmployeeLink { get; set; }

        [SecondaryIndex]
        [DateEditor]
        [EditorSequence(2)]
        [LoggableProperty(Format = "dd MMM yy")]
        public DateTime Date { get; set; }

        [NullEditor]
        public Guid JobID { get; set; }

        [EditorSequence(3)]
        public JobLink JobLink { get; set; }

        [EntityRelationship(DeleteAction.SetNull)]
        [EditorSequence(4)]
        public TimeSheetActivityLink ActivityLink { get; set; }

        [NullEditor]
        public DateTime UTCStart { get; set; }

        [NullEditor]
        public DateTime UTCFinish { get; set; }

        [CoreTimeEditor]
        public TimeBlock ActualTime { get; set; }

        [CoreTimeEditor]
        public TimeBlock ApprovedTime { get; set; }

        [TextBoxEditor]
        [EditorSequence(6)]
        public string TimeZoneStart { get; set; }

        [TextBoxEditor]
        [EditorSequence(8)]
        public string TimeZoneFinish { get; set; }

        [MemoEditor]
        [EditorSequence(11)]
        public string Notes { get; set; }

        [TimestampEditor]
        [EditorSequence(12)]
        [LoggableProperty(Format = "dd MMM yy HH:mm")]
        public DateTime Confirmed { get; set; }

        [TimestampEditor]
        [EditorSequence(13)]
        [LoggableProperty(Format = "dd MMM yy HH:mm")]
        public DateTime Approved { get; set; }

        [SecondaryIndex]
        [TimestampEditor]
        [EditorSequence(14)]
        [LoggableProperty(Format = "dd MMM yy HH:mm")]
        public DateTime Processed { get; set; }
        
        [NullEditor]
        [EntityRelationship(DeleteAction.Cascade)]
        public LeaveRequestLink LeaveRequestLink { get; set; }
        
        [NullEditor]
        [EntityRelationship(DeleteAction.Cascade)]
        public StandardLeaveLink StandardLeaveLink { get; set; }

        [TextBoxEditor(Editable = Editable.Hidden)]
        public string SoftwareVersion { get; set; }

        [NullEditor]
        public Location StartLocation { get; set; }

        [NullEditor]
        public Location FinishLocation { get; set; }

        [NullEditor]
        [Obsolete("Replaced with EmployeeLink.ID",true)]
        public Guid EmployeeID { get; set; }

        [TextBoxEditor(Editable = Editable.Hidden)]
        public string Address { get; set; }

        [TextBoxEditor(Editable = Editable.Hidden)]
        public string Gate { get; set; }

        [TimeOfDayEditor]
        [LoggableProperty(Format = "hh\\:mm")]
        [Obsolete("Replaced with ActualTime.Start")]
        public TimeSpan Start { get; set; }

        [TimeOfDayEditor]
        [LoggableProperty(Format = "hh\\:mm")]
        [Obsolete("Replaced with ActualTime.Finish")]
        public TimeSpan Finish { get; set; }

        [DurationEditor(Editable = Editable.Hidden, Summary = Summary.Sum)]
        [Obsolete("Replaced with ActualTime.Duration")]
        public TimeSpan Duration { get; set; }

        [DurationEditor]
        [LoggableProperty(Format = "hh\\:mm")]
        [Obsolete("Replaced with ApprovedTime.Start")]
        public TimeSpan ApprovedStart { get; set; }

        [DurationEditor]
        [LoggableProperty(Format = "hh\\:mm")]
        [Obsolete("Replaced with ApprovedTime.Finish")]
        public TimeSpan ApprovedFinish { get; set; }

        [DurationEditor(Editable = Editable.Hidden, Summary = Summary.Sum)]
        [Obsolete("Replaced with ApprovedTime.Duration")]
        public TimeSpan ApprovedDuration { get; set; }


        protected override void Init()
        {
            base.Init();
            Notes = string.Empty;

            Approved = DateTime.MinValue;
            Processed = DateTime.MinValue;

            EmployeeLink = new EmployeeLink();
            JobLink = new JobLink();

            ActivityLink = new TimeSheetActivityLink();
            
            LeaveRequestLink = new LeaveRequestLink();
            StandardLeaveLink = new StandardLeaveLink();
            
            StartLocation = new Location();
            FinishLocation = new Location();
        }

        protected override void DoPropertyChanged(string name, object before, object after)
        {
            base.DoPropertyChanged(name, before, after);

            if (name.Equals("Start"))
                Duration = Finish > (TimeSpan)after ? Finish.Subtract((TimeSpan)after) : new TimeSpan();

            else if (name.Equals("Finish"))
                Duration = (TimeSpan)after > Start ? ((TimeSpan)after).Subtract(Start) : new TimeSpan();

            else if (name.Equals("ApprovedStart"))
                //ApprovedDuration = ApprovedFinish > ((TimeSpan)after) ? ApprovedFinish.Subtract((TimeSpan)after) : new TimeSpan();
                ApprovedDuration = ApprovedFinish > (TimeSpan)after ? ApprovedFinish.Subtract((TimeSpan)after) : new TimeSpan();

            else if (name.Equals("ApprovedFinish"))
                ApprovedDuration = (TimeSpan)after > ApprovedStart ? ((TimeSpan)after).Subtract(ApprovedStart) : new TimeSpan();
        }
    }
}