using System;
using System.ComponentModel;
using System.Linq.Expressions;
using InABox.Core;

namespace Comal.Classes
{
    [UserTracking("Project Management")]
    public class Job : Entity, IPersistent, IRemotable, IScheduleAction, IOneToMany<Schedule>, IStringAutoIncrement<Job>,
        ILicense<ProjectManagementLicense>, IExportable, IImportable, IMergeable, IScannable
    {

        #region General

        [UniqueCodeEditor(Visible = Visible.Default, Editable = Editable.Enabled)]
        [EditorSequence(0)]
        public string JobNumber { get; set; }

        //[Obsolete("Replaced by JobNumber", true)]
        //[IntegerEditor(Editable = Editable.Hidden)]
        //public int Number { get; set; }

        [TextBoxEditor]
        [EditorSequence(1)]
        public string Name { get; set; }

        [SecondaryIndex]
        [EnumLookupEditor(typeof(JobType))]
        [EditorSequence(2)]
        public JobType JobType { get; set; }

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

        [EditorSequence(4)]
        public Address SiteAddress { get; set; }

        [EditorSequence(5)]
        public AccountLink Account { get; set; }

        #endregion

        [NotesEditor]
        [EditorSequence("Notes", 1)]
        public string[] Notes { get; set; }

        #region Other

        [TextBoxEditor]
        [EditorSequence("Other", 1)]
        public string URL { get; set; }

        [ColorEditor]
        [EditorSequence("Other", 2)]
        public string Color { get; set; }

        #endregion

        #region Project Management

        [TextBoxEditor]
        [EditorSequence("Project Management", 1)]
        public string SetoutsFolder { get; set; }

        [Caption("Supervisor")]
        [EditorSequence("Project Management", 2)]
        public EmployeeLink EmployeeLink { get; set; }

        [Caption("Manager")]
        [EditorSequence("Project Management", 3)]
        public EmployeeLink ManagerLink { get; set; }

        [TimeOfDayEditor]
        [EditorSequence("Project Management", 4)]
        public TimeSpan UsualStart { get; set; }

        [TimeOfDayEditor]
        [EditorSequence("Project Management", 5)]
        public TimeSpan UsualFinish { get; set; }


        // This is the Activity to which the Usual Start/Finish Applies
        // Other activitiy timesheets are not affected by this
        [EditorSequence("Project Management", 6)]
        public ActivityLink UsualActivity { get; set; }

        [EditorSequence("Project Management", 7)]
        public DateTime ExpectedCompletionDate { get; set; }

        [EditorSequence("Project Management", 8)]
        public DateTime Completed { get; set; }

        //[SecondaryIndex]
        //[EditorSequence(9)]
        //public Boolean Active { get; set; }

        [EditorSequence("Project Management", 9)]
        public JobStatusLink JobStatus { get; set; }

        #endregion

        [TimeOfDayEditor(Editable = Editable.Hidden)]
        public TimeSpan LabourHours { get; set; }

        [NullEditor]
        [Obsolete("Why does this even exist?")]
        public ProductStyleLink Style { get; set; }

        [NullEditor]
        [Aggregate(typeof(JobAssignmentCount))]
        public int Assignments { get; set; }

        [NullEditor]
        [Aggregate(typeof(JobOpenAssignmentCount))]
        public int OpenAssignments { get; set; }

        [NullEditor]
        public ScheduleLink ScheduleLink { get; set; }


        public Expression<Func<Job, string>> AutoIncrementField()
        {
            return x => x.JobNumber;
        }

        public Filter<Job> AutoIncrementFilter()
        {
            return null;
        }

        public string AutoIncrementFormat()
        {
            return "{0:D4}";
        }

        protected override void Init()
        {
            base.Init();
            Customer = new CustomerLink(() => this);
            Account = new AccountLink();
            //Designer = new EmployeeLink();
            //ProjectManager = new EmployeeLink();
            SiteAddress = new Address();
            UsualActivity = new ActivityLink();
            EmployeeLink = new EmployeeLink();
            ManagerLink = new EmployeeLink();
            ScheduleLink = new ScheduleLink();
            JobStatus = new JobStatusLink();
            JobType = JobType.Project;
            //Active = true;
            Notes = new string[] { };
            Customer.Account.PropertyChanged += Account_PropertyChanged;
            Customer.Delivery.PropertyChanged += Delivery_PropertyChanged;
            Style = new ProductStyleLink();
        }


        private void Delivery_PropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            var value = CoreUtils.GetPropertyValue(Customer.Delivery, e.PropertyName);
            CoreUtils.SetPropertyValue(SiteAddress, e.PropertyName, value);
        }

        private void Account_PropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            if (e.PropertyName.Equals("ID"))
                Account.ID = Customer.Account.ID;
            else if (e.PropertyName.Equals("Code"))
                Account.Code = Customer.Account.Code;
            else if (e.PropertyName.Equals("Name"))
                Account.Name = Customer.Account.Name;
        }


        public override string ToString()
        {
            return string.Format("{0}: {1}", JobNumber, Name);
        }
    }
}