using System;
using System.Collections.ObjectModel;
using System.Windows.Media;
using Comal.Classes;
using InABox.Core;
using InABox.WPF;

namespace PRSDesktop
{
    public class EquipmentAssignmentModel : Model<EquipmentAssignmentModel,EquipmentAssignment>
    {
        
        public Guid EquipmentID { get; }

        public int Number { get; set; }
        public String? Description { get; set; }
        public DateTime Completed { get; set; }

        public DateTime Date { get; }
        public TimeSpan BookedStart { get; set; }
        public TimeSpan BookedFinish { get; set; }
        public TimeSpan BookedDuration { get; }
        
        public TimeSpan ActualStart { get; set; }
        public TimeSpan ActualFinish { get; set; }
        public TimeSpan ActualDuration { get; }
        
        public static TimeSpan EffectiveTime(TimeSpan actual, TimeSpan booked) => actual.Ticks != 0L ? actual : booked; 

        public TimeSpan EffectiveStart()
        {
            return EffectiveTime(ActualStart, BookedStart);
        }

        public TimeSpan EffectiveFinish()
        {
             // If we have an actual finish, always use that
             // otherwise use EffectiveStart() + booked.duration
             return EffectiveTime(
                 ActualFinish, 
                 EffectiveTime(ActualStart, BookedStart)
                     .Add(BookedDuration)
            );
            
        }
        
        public Guid JobID { get; }
        public string? JobNumber { get; }
        public string? JobName { get; }
        
        public EquipmentAssignmentModel(CoreRow row) : base(row)
        {
            EquipmentID = Get(x=>x.Equipment.ID);

            Number = Get(x => x.Number);
            Description = Get(x => x.Description);
            Completed = Get(x => x.Completed);

            Date = Get(x=>x.Date);
            BookedDuration = Get(x => x.Booked.Duration);
            BookedStart = Get(x => x.Booked.Start);
            BookedFinish = Get(x => x.Booked.Finish);

            ActualDuration = Get(x => x.Actual.Duration);
            ActualStart = Get(x => x.Actual.Start);
            ActualFinish = Get(x => x.Actual.Finish);
            
            JobID = Get(x => x.JobLink.ID);
            JobNumber = Get(x => x.JobLink.JobNumber);
            JobName = Get(x => x.JobLink.Name);
            
           
        }
        
        public override Columns<EquipmentAssignment> GetColumns()
        {
            return InABox.Core.Columns.None<EquipmentAssignment>().Add(x => x.ID)

                .Add(x => x.Equipment.ID)

                .Add(x => x.Number)
                .Add(x => x.Description)
                .Add(x => x.Completed)

                .Add(x => x.Date)
                .Add(x => x.Booked.Start)
                .Add(x => x.Booked.Duration)
                .Add(x => x.Booked.Finish)
                .Add(x => x.Actual.Start)
                .Add(x => x.Actual.Duration)
                .Add(x => x.Actual.Finish)

                .Add(x => x.JobLink.ID)
                .Add(x => x.JobLink.JobNumber)
                .Add(x => x.JobLink.Name);

        }
    }
}