using _0_Framework.Domain;
using Company.Domain.EmployeeAgg;
using Company.Domain.EmployeeDocumentItemAgg;
using Company.Domain.WorkshopAgg;
using System.Collections.Generic;
using System.Linq;
using CompanyManagment.App.Contracts.EmployeeDocuments;
using Microsoft.AspNetCore.Antiforgery;

namespace Company.Domain.EmployeeDocumentsAgg
{
    public class EmployeeDocuments : EntityBase
    {

        public long EmployeeId { get; private set; }
        public Employee Employee { get; private set; }


        public long WorkshopId { get; private set; }
        public Workshop Workshop { get; private set; }


        public string Gender { get; private set; }


        public bool IsConfirmed { get; private set; }
        public bool RequiredItemsSubmittedByClient { get; private set; }
        public bool IsSentToChecker { get; private set; }
        public bool HasRejectedItems { get; set; }


		//History of rejected and confirmed documents, lazy loading enabled
		public virtual List<EmployeeDocumentItem> EmployeeDocumentItemCollection { get; } = [];


        public EmployeeDocuments(long employeeId, long workshopId, string gender)
        {
            WorkshopId = workshopId;
            EmployeeId = employeeId;
            Gender = gender??string.Empty;
        }

        private EmployeeDocuments()
        {

        }

        

        public bool UpdateIsSentToChecker()
        {

            var requiredItems = EmployeeDocumentRequiredItems.GetByGender(Gender);

            var currentItems = EmployeeDocumentItemCollection.Where(x => x.DocumentStatus != DocumentStatus.Unsubmitted)
                .GroupBy(x => x.DocumentLabel).Select(x => x.OrderByDescending(y => y.CreationDate).First());
            var currentItemsFiltered = currentItems.Where(x => x.DocumentStatus is DocumentStatus.Confirmed or DocumentStatus.SubmittedByAdmin or DocumentStatus.SubmittedByClient)
                .Select(x => new { x.DocumentStatus, x.DocumentLabel }).ToList();


            // ReSharper disable once SimplifyLinqExpressionUseAll
            if (!currentItemsFiltered.Any(x => x.DocumentStatus is DocumentStatus.SubmittedByAdmin or DocumentStatus.SubmittedByClient))
                IsSentToChecker = false;

            else
                IsSentToChecker = requiredItems.All(x => currentItemsFiltered.Any(y=>y.DocumentLabel==x)); 


            return IsSentToChecker;

        }


        public bool UpdateIsConfirmed()
        {
            var requiredItems = EmployeeDocumentRequiredItems.GetByGender(Gender);

            var currentItems = EmployeeDocumentItemCollection.Where(x => x.DocumentStatus != DocumentStatus.Unsubmitted)
                .GroupBy(x => x.DocumentLabel).Select(x => x.OrderByDescending(y => y.CreationDate).First());
            var currentConfirmedItems=currentItems.Where(x => x.DocumentStatus == DocumentStatus.Confirmed).Select(x => x.DocumentLabel).ToList(); 


            IsConfirmed = requiredItems.All(x => currentConfirmedItems.Contains(x));


            return IsConfirmed;
        }

        public void UpdateRequiredItemsSubmittedByClient()
        {

            var requiredItems = EmployeeDocumentRequiredItems.GetByGender(Gender);

            var currentItems = EmployeeDocumentItemCollection.Where(x => x.DocumentStatus != DocumentStatus.Unsubmitted)
                .GroupBy(x => x.DocumentLabel).Select(x => x.OrderByDescending(y => y.CreationDate).First());

            if (currentItems.Where(x => requiredItems.Contains(x.DocumentLabel))
                .Any(x => x.DocumentStatus == DocumentStatus.SubmittedByClient))
                RequiredItemsSubmittedByClient = true;
            else
                RequiredItemsSubmittedByClient = false;

        }

        public void UpdateHasRejectedItems()
        {
			var currentItems = EmployeeDocumentItemCollection.Where(x => x.DocumentStatus != DocumentStatus.Unsubmitted)
				.GroupBy(x => x.DocumentLabel).Select(x => x.OrderByDescending(y => y.CreationDate).First());
			if (currentItems.Any(y => y.DocumentStatus == DocumentStatus.Rejected))
				HasRejectedItems = true;
            else
                HasRejectedItems= false;
        }

    }
}