using _0_Framework.Application;
using Company.Domain.LeftWorkAgg;
using Company.Domain.RollCallEmployeeAgg;
using Company.Domain.RollCallEmployeeStatusAgg;
using CompanyManagment.App.Contracts.RollCallEmployeeStatus;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using Company.Domain.RollCallServiceAgg;
using Company.Domain.LeftWorkTempAgg;
using Company.Domain.LeftWorkInsuranceAgg;
using CompanyManagment.App.Contracts.LeftWorkTemp;


namespace CompanyManagment.Application
{
	public class RollCallEmployeeStatusApplication : IRollCallEmployeeStatusApplication
	{
		private readonly IRollCallEmployeeStatusRepository _employeeRollCallStatusRepository;
		private readonly IRollCallEmployeeRepository _rollCallEmployeeRepository;
		private readonly ILeftWorkRepository _leftWorkRepository;
		private readonly IRollCallServiceRepository _rollCallServiceRepository;
		private readonly ILeftWorkTempRepository _leftWorkTempRepository;
		private readonly ILeftWorkInsuranceRepository _leftWorkInsuranceRepository;



		public RollCallEmployeeStatusApplication(IRollCallEmployeeStatusRepository employeeStatusRepository, IRollCallEmployeeRepository rollCallEmployeeRepository, ILeftWorkRepository leftWorkRepository, IRollCallServiceRepository rollCallServiceRepository, ILeftWorkTempRepository leftWorkTempRepository, ILeftWorkInsuranceRepository leftWorkInsuranceRepository)
		{
			_employeeRollCallStatusRepository = employeeStatusRepository;
			_rollCallEmployeeRepository = rollCallEmployeeRepository;
			_leftWorkRepository = leftWorkRepository;
			_rollCallServiceRepository = rollCallServiceRepository;
			_leftWorkTempRepository = leftWorkTempRepository;
			_leftWorkInsuranceRepository = leftWorkInsuranceRepository;
		}

		public OperationResult Create(CreateRollCallEmployeeStatus cmd)
		{
			OperationResult op = new();
			RollCallEmployee rollCallEmployee = _rollCallEmployeeRepository.Get(cmd.RollCallEmployeeId);
			if (rollCallEmployee == null)
				return op.Failed("کارمند مجاز نیست");

			if (!_leftWorkRepository.Exists(x =>
					x.EmployeeId == rollCallEmployee.EmployeeId && x.WorkshopId == rollCallEmployee.WorkshopId &&
					x.StartWorkDate <= DateTime.Now && x.LeftWorkDate > DateTime.Now) &&
				!_leftWorkTempRepository.Exists(x =>
					x.EmployeeId == rollCallEmployee.EmployeeId && x.WorkshopId == rollCallEmployee.WorkshopId &&
					x.LeftWorkType == LeftWorkTempType.StartWork))
			{
				return op.Failed("کارمند شروع به کار ندارد");
			}

			if (_employeeRollCallStatusRepository.Exists(y =>
					rollCallEmployee.id == y.RollCallEmployeeId && y.EndDate.Date > DateTime.Now.Date))
				return op.Failed("کارمند فعال می باشد");

			if (_employeeRollCallStatusRepository.Exists(y =>
					rollCallEmployee.id == y.RollCallEmployeeId && y.EndDate.Date == DateTime.Now.Date))
			{
				RollCallEmployeeStatus previousStatusInDate = _employeeRollCallStatusRepository.GetByRollCallEmployeeIdAndDate(cmd.RollCallEmployeeId, DateTime.Now.Date);
				previousStatusInDate.Edit(previousStatusInDate.StartDate, Tools.GetUndefinedDateTime());
			}
			else
			{
				var pc = new PersianCalendar();
				var startStatus = DateTime.Today;
				LeftWork leftWork =
					_leftWorkRepository.GetLastLeftWork(rollCallEmployee.EmployeeId, rollCallEmployee.WorkshopId).GetAwaiter().GetResult();

				if (leftWork != null && leftWork.StartWorkDate > DateTime.Today)
					startStatus = leftWork.StartWorkDate;

				//else if(pc.GetMonth(DateTime.Today) == pc.GetMonth(leftWork.StartWorkDate))
				//{
				//    startStatus = new DateTime(pc.GetYear(leftWork.StartWorkDate), pc.GetMonth(leftWork.StartWorkDate),
				//        1, pc);
				//}

				RollCallEmployeeStatus newRecord = new(rollCallEmployee.id, startStatus);
				_employeeRollCallStatusRepository.Create(newRecord);
			}

			_employeeRollCallStatusRepository.SaveChanges();

			return op.Succcedded();
		}

		public bool HasRollCallRecord(long employeeId, long workshopId, DateTime contractStart, DateTime contractEnd)
        {
            return _rollCallEmployeeRepository.HasRollCallRecord(employeeId, workshopId, contractStart, contractEnd).GetAwaiter().GetResult();
        }

		public List<RollCallEmployeeStatusViewModel> GetActiveByWorkshopIdInDate(long workshopId, DateTime startDateGr, DateTime endDateGr)
		{
			return _employeeRollCallStatusRepository.GetActiveByWorkshopIdInDate(workshopId, startDateGr, endDateGr);
		}

       

        public bool IsActiveInPeriod(long employeeId, long workshopId, DateTime startDate, DateTime endDate)
        {
            return _employeeRollCallStatusRepository.IsActiveInPeriod(employeeId, workshopId, startDate, endDate);
        }

        public OperationResult Deactivate(long id)
		{
			OperationResult op = new();
			RollCallEmployeeStatus entity = _employeeRollCallStatusRepository.Get(id);
			if (entity == null)
				return op.Failed(ApplicationMessages.RecordNotFound);
			if (!entity.EndDate.IsDateUndefined())
				return op.Failed("کارمند قبلا غیر فعال شده است");
			entity.Deactivate(DateTime.Now.Date);
			_employeeRollCallStatusRepository.SaveChanges();
			return op.Succcedded();
		}

        public OperationResult Edit(EditRollCallEmployeeStatus cmd)
        {
            OperationResult op = new();
            RollCallEmployeeStatus entity = _employeeRollCallStatusRepository.Get(cmd.Id);
            if (entity == null)
                return op.Failed(ApplicationMessages.RecordNotFound);

            entity.Edit(cmd.StartDate, cmd.EndDate);
            _employeeRollCallStatusRepository.SaveChanges();
            return op.Succcedded();
        }

        public List<RollCallEmployeeStatusViewModel> GetAll()
        {
            return _employeeRollCallStatusRepository.GetAll();
        }

        public void SyncRollCallEmployeeWithLeftWork(long rollCallEmployeeId)
        {
	        var rollCallEmployee = _rollCallEmployeeRepository.GetWithRollCallStatus(rollCallEmployeeId);
	        if (rollCallEmployee == null)
		        return;

	        var rollCallStatus = rollCallEmployee.EmployeesStatus.MaxBy(x => x.StartDate);

	        if (rollCallStatus == null)
				return;

			var today = DateTime.Today;

	        var firstDayOfMonth = today.FindFirstDayOfMonthGr();

	        

	        var employeeId = rollCallEmployee.EmployeeId;
	        var workshopId = rollCallEmployee.WorkshopId;

	        var leftWork = _leftWorkRepository.GetLastLeftWorkByEmployeeIdAndWorkshopId(workshopId, employeeId);

	        if (leftWork == null)
		        return;

	        var startWork = leftWork.StartWorkDate;

	        rollCallStatus.Edit(startWork < firstDayOfMonth ? firstDayOfMonth : startWork, rollCallStatus.EndDate);

	        _employeeRollCallStatusRepository.SaveChanges();

		}
	}
}