using System;
using System.Collections.Generic;
using System.Linq;
using Comal.Classes;
using InABox.Core;

namespace Comal.Stores
{
    public class EmployeeStore : SchedulableStore<Employee>
    {
        protected override void BeforeSave(Employee entity)
        {
            //entity.HasAttachments = entity.Attachments.Count > 0;
            base.BeforeSave(entity);
        }

        private void LoadStandardLeaves(Employee entity)
        {
            var updates = new List<LeaveRequest>();
            var leaves = Provider.Load<StandardLeave>();
            foreach (var leave in leaves)
            {
                var request = new LeaveRequest().LoadFrom(leave);
                request.EmployeeLink.ID = entity.ID;
                request.Status = LeaveRequestStatus.Approved;
                updates.Add(request);
            }

            FindSubStore<LeaveRequest>().Save(updates, "Auto Generated on Employee Creation");
        }

        protected override void AfterSave(Employee entity)
        {
            base.AfterSave(entity);

            if (entity.HasOriginalValue(x => x.ID))
            {
                var origid = entity.GetOriginalValue(x => x.ID);
                if (origid == Guid.Empty)
                    LoadStandardLeaves(entity);
            }

            var orig = entity.HasOriginalValue(x => x.FinishDate) ? entity.GetOriginalValue(x => x.FinishDate) : entity.FinishDate;
            if (entity.UserLink.IsValid() && orig.IsEmpty() != entity.FinishDate.IsEmpty())
            {
                var user = Provider.Load(new Filter<User>(x => x.ID).IsEqualTo(entity.UserLink.ID)).FirstOrDefault();
                if (user != null && user.Disabled == entity.FinishDate.IsEmpty())
                {
                    user.Disabled = !entity.FinishDate.IsEmpty();
                    Provider.Save(user);
                }
            }
        }
    }
}