using System;
using System.Collections.ObjectModel;
using System.Drawing;
using Comal.Classes;
using InABox.Core;
using InABox.Mobile;
using Color = Xamarin.Forms.Color;

namespace PRS.Mobile
{
    public class AssignmentShell : Shell<AssignmentModel, Assignment>
    {
        protected override void ConfigureColumns(ShellColumns<AssignmentModel, Assignment> columns)
        {
            columns
                .Map(nameof(EmployeeID), x => x.EmployeeLink.ID)
                .Map(nameof(Number), x => x.Number)
                .Map(nameof(Title), x => x.Title)
                .Map(nameof(Description), x => x.Description)
                .Map(nameof(Date), x => x.Date)
                .Map(nameof(BookedStart), x => x.Booked.Start)
                .Map(nameof(BookedDuration), x => x.Booked.Duration)
                .Map(nameof(BookedFinish), x => x.Booked.Finish)
                .Map(nameof(ActualStart), x => x.Actual.Start)
                .Map(nameof(ActualDuration), x => x.Actual.Duration)
                .Map(nameof(ActualFinish), x => x.Actual.Finish)
                .Map(nameof(Completed), x => x.Completed)
                .Map(nameof(JobID), x => x.JobLink.ID)
                .Map(nameof(JobNumber), x => x.JobLink.JobNumber)
                .Map(nameof(JobName), x => x.JobLink.Name)
                .Map(nameof(Latitude), x => x.JobLink.SiteAddress.Location.Latitude)
                .Map(nameof(Longitude), x => x.JobLink.SiteAddress.Location.Longitude)
                .Map(nameof(TaskID), x => x.Task.ID)
                .Map(nameof(TaskNumber), x => x.Task.Number)
                .Map(nameof(TaskName), x => x.Task.Title)
                .Map(nameof(ActivityID), x => x.ActivityLink.ID)
                .Map(nameof(ActivityCode), x => x.ActivityLink.Code)
                .Map(nameof(ActivityDescription), x => x.ActivityLink.Description)
                .Map(nameof(ActivityColor), x => x.ActivityLink.Color)
                .Map(nameof(DeliveryID), x => x.Delivery.ID);
        }

        public String Title
        {
            get => Get<String>();
            set => Set(value);
        }
        
        public Guid EmployeeID 
        {
            get => Get<Guid>();
            set => Set(value);
        } 
        
        public int Number
        {
            get => Get<int>();
            set => Set(value);
        }

        public String Description
        {
            get => Get<String>();
            set => Set(value);
        }
        
        public double Latitude
        {
            get => Get<double>();
            set => Set(value);
        }
        
        public double Longitude
        {
            get => Get<double>();
            set => Set(value);
        }

        public DateTime Completed
        {
            get => Get<DateTime>();
            set => Set(value);
        }

        public Guid DeliveryID 
            => Get<Guid>();
        
        #region Date & Time

        public DateTime Date
        {
            get => Get<DateTime>();
            set => Set(value);
        }

        public TimeSpan ActualStart
        {
            get => Get<TimeSpan>();              
            set => Set(value);
        }

        public TimeSpan ActualDuration
        {
            get => Get<TimeSpan>();                
            set => Set(value);
        }
        
        public TimeSpan ActualFinish 
        {
            get => Get<TimeSpan>();           
            set => Set(value);
        }

        public TimeSpan BookedStart
        {
            get => Get<TimeSpan>();           
            set => Set(value);
        }

        public TimeSpan BookedDuration
        {
            get => Get<TimeSpan>();           
            set => Set(value);
        }

        public TimeSpan BookedFinish
        {
            get => Get<TimeSpan>();           
            set => Set(value);
        }
        
        #endregion
        
        #region Job Settings
        
        public Guid JobID 
        {
            get => Get<Guid>();           
            set => Set(value);
        }        
        
        public String JobNumber 
        {
            get => Get<String>();
            set
            {
                Set(value,false);
                DoPropertyChanged(nameof(JobDisplay));
            }
        }           
        
        public String JobName 
        {
            get => Get<String>();
            set
            {
                Set(value,false);
                DoPropertyChanged(nameof(JobDisplay));
            }
        }
        
        #endregion
        
        #region Task Settings
        
        public Guid TaskID 
        {
            get => Get<Guid>();           
            set => Set(value);
        }        
        
        public int TaskNumber 
        {
            get => Get<int>();
            set
            {
                Set(value,false);
                DoPropertyChanged(nameof(TaskDisplay));
            }
        }           
        
        public String TaskName 
        {
            get => Get<String>();
            set
            {
                Set(value,false);
                DoPropertyChanged(nameof(TaskDisplay));
            }
        } 
        
        #endregion
        
        #region Activity Code
        
        public Guid ActivityID 
        {
            get => Get<Guid>();           
            set => Set(value);
        }        
        
        public String ActivityCode 
        {
            get => Get<String>();
            set
            {
                Set(value,false);
                DoPropertyChanged(nameof(ActivityDisplay));
            }
        }           
        
        public String ActivityDescription
        {
            get => Get<String>();
            set
            {
                Set(value,false);
                DoPropertyChanged(nameof(ActivityDisplay));
            }
        }
        
        public String ActivityColor
        {
            get => Get<String>();
            set
            {
                Set(value,false);
                DoPropertyChanged(nameof(ActivityDisplay));
            }
        }
        
        #endregion

        #region Calculated Fields
        
        public String JobDisplay => JobID != Guid.Empty
            ? $"{JobNumber}: {JobName}"
            : "(No Job Selected)";
        
        public String ActivityDisplay => ActivityID != Guid.Empty
            ? $"{ActivityCode}: {ActivityDescription}"
            : "(No Activity Selected)";
        
        public String TaskDisplay => TaskID != Guid.Empty
            ? $"{TaskNumber}: {TaskName}"
            : "(No Task Selected)";
        
        public String Subject => string.Format("{0}{1} {2}",
            Number,
            JobID != Guid.Empty ? $"({JobNumber})" : "",
            Title
        );
        
        public bool IsCompleted => !Completed.IsEmpty();
        
        public DateTime StartTime => Date.Add(Assignment.EffectiveTime(ActualStart, BookedStart).Floor(TimeSpan.FromMinutes(5)));
        public DateTime EndTime => Date.Add(Assignment.EffectiveTime(ActualFinish, BookedFinish).Ceiling(TimeSpan.FromMinutes(5)));
        
        public Color BackgroundColor => !String.IsNullOrWhiteSpace(ActivityColor) 
            ? Color.FromHex(ActivityColor) 
            : Color.Silver;
        
        public Color TextColor => Color.Black;
        
        public ObservableCollection<object> ResourceIds => new ObservableCollection<object>() { EmployeeID };
        
        public PointF Coordinates => new PointF(
            (float)(Longitude), 
            (float)(Latitude)
        );
        
        #endregion
        
    }
}