using _0_Framework.Application;
using Company.Domain.EmployeeAgg;
using Company.Domain.LeftWorkAgg;
using Company.Domain.RollCallEmployeeAgg;
using Company.Domain.RollCallEmployeeStatusAgg;
using CompanyManagment.App.Contracts.RollCallEmployee;
using CompanyManagment.App.Contracts.RollCallEmployeeStatus;
using Microsoft.AspNetCore.Hosting;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Transactions;
using _0_Framework.Application.FaceEmbedding;
using static Microsoft.EntityFrameworkCore.DbLoggerCategory.Database;

namespace CompanyManagment.Application;

public class RollCallEmployeeApplication : IRollCallEmployeeApplication
{
	private readonly IRollCallEmployeeRepository _rollCallEmployeeRepository;
	private readonly IRollCallEmployeeStatusApplication _rollCallEmployeeStatusApplication;
	private readonly IEmployeeRepository _employeeRepository;
	private readonly ILeftWorkRepository _leftWorkRepository;
	private readonly IRollCallEmployeeStatusRepository _rollCallEmployeeStatusRepository;
	private readonly IWebHostEnvironment _webHostEnvironment;
	private readonly IFaceEmbeddingService _faceEmbeddingService;
	
	public RollCallEmployeeApplication(IRollCallEmployeeRepository rollCallEmployeeRepository, IEmployeeRepository employeeRepository, IRollCallEmployeeStatusApplication rollCallEmployeeStatusApplication, ILeftWorkRepository leftWorkRepository, IRollCallEmployeeStatusRepository rollCallEmployeeStatusRepository, IWebHostEnvironment webHostEnvironment, IFaceEmbeddingService faceEmbeddingService)
	{
		_rollCallEmployeeRepository = rollCallEmployeeRepository;
		_employeeRepository = employeeRepository;
		_rollCallEmployeeStatusApplication = rollCallEmployeeStatusApplication;
		_leftWorkRepository = leftWorkRepository;
		_rollCallEmployeeStatusRepository = rollCallEmployeeStatusRepository;
		_webHostEnvironment = webHostEnvironment;
		_faceEmbeddingService = faceEmbeddingService;
	}

	public OperationResult Create(CreateRollCallEmployee command)
	{
		var opreation = new OperationResult();

		if (_rollCallEmployeeRepository.Exists(x =>
				x.EmployeeId == command.EmployeeId && x.WorkshopId == command.EmployeeId))
			return opreation.Succcedded();
		var fullname = _employeeRepository.GetDetails(command.EmployeeId);
		if (fullname == null)
			return opreation.Failed("پرسنل یافت نشد");
		var create = new RollCallEmployee(command.WorkshopId, command.EmployeeId, fullname.FName, fullname.LName);
		_rollCallEmployeeRepository.Create(create);

		if (command.HasUploadedImage == "true")
			create.HasImage();

		_rollCallEmployeeRepository.SaveChanges();
		return opreation.Succcedded(create.id);

	}

	public OperationResult Active(long id)
	{
		var opreation = new OperationResult();

		var emp = _rollCallEmployeeRepository.Get(id);

		if (emp == null)
			return opreation.Failed("پرسنل یافت نشد");

		if (!_leftWorkRepository.Exists(x => x.EmployeeId == emp.EmployeeId && x.WorkshopId == emp.WorkshopId &&
											 x.StartWorkDate <= DateTime.Now && x.LeftWorkDate > DateTime.Now))
			return opreation.Failed("کارمند شروع به کار ندارد");

		if (emp.HasUploadedImage == "false")
			return opreation.Failed("لطفا ابتدا عکس پرسنل را آپلود کنید");

		using var transaction = new TransactionScope();

		emp.Active();

		var operation2 = _rollCallEmployeeStatusApplication.Create(new CreateRollCallEmployeeStatus() { RollCallEmployeeId = id });
		if (operation2.IsSuccedded == false)
			return operation2;

		_rollCallEmployeeRepository.SaveChanges();
		transaction.Complete();

		return operation2;
	}

	public OperationResult DeActive(long id)
	{
		var opreation = new OperationResult();
		var emp = _rollCallEmployeeRepository.GetWithRollCallStatus(id);
		if (emp == null)
			return opreation.Failed("پرسنل یافت نشد");
		var lastStatus = emp.EmployeesStatus.MaxBy(x => x.StartDate);
		emp.DeActive();
		_rollCallEmployeeRepository.SaveChanges();
		_rollCallEmployeeStatusApplication.Deactivate(lastStatus.id);
		return opreation.Succcedded();
	}

	public OperationResult UploadedImage(long Employeeid, long WorkshopId)
	{
		var opreation = new OperationResult();
		var emp = _rollCallEmployeeRepository.GetByEmployeeIdAndWorkshopId(Employeeid, WorkshopId);
		if (emp == null)
			return opreation.Failed("پرسنل یافت نشد");

		var rollCall = _rollCallEmployeeRepository.Get(emp.Id);
		rollCall.HasImage();
		_rollCallEmployeeRepository.SaveChanges();
		var path = Path.Combine(_webHostEnvironment.ContentRootPath, "Faces", WorkshopId.ToString(), Employeeid.ToString());
		var thumbnailPath = Path.Combine(path, "Thumbnail.jpg");
		try
		{
			var thumbnail = Tools.ResizeImage(Path.Combine(path, "1.jpg"), 150, 150);
			System.IO.File.WriteAllBytes(thumbnailPath, Convert.FromBase64String(thumbnail));
		}
		catch
		{
			// ignored
		}

		return opreation.Succcedded();
	}


	public List<RollCallEmployeeViewModel> GetByWorkshopId(long workshopId)
	{
		return _rollCallEmployeeRepository.GetByWorkshopId(workshopId);
	}

	public EditRollCallEmployee GetDetails(long id)
	{
		return _rollCallEmployeeRepository.GetDetails(id);
	}

	public RollCallEmployeeViewModel GetByEmployeeIdAndWorkshopId(long employeeId, long workshopId)
	{
		return _rollCallEmployeeRepository.GetByEmployeeIdAndWorkshopId(employeeId, workshopId);
	}

	public List<RollCallEmployeeViewModel> GetPersonnelRollCallListPaginate(RollCallEmployeeSearchModel command)
	{
		return _rollCallEmployeeRepository.GetPersonnelRollCallListPaginate(command);
	}

	public int activedPerson(long workshopId)
	{
		return _rollCallEmployeeRepository.activedPerson(workshopId);
	}

	#region Pooya
	public List<RollCallEmployeeViewModel> GetRollCallEmployeesByWorkshopId(long workshopId)
	{
		return _rollCallEmployeeRepository.GetRollCallEmployeesByWorkshopId(workshopId);
	}
	public List<RollCallEmployeeViewModel> GetActivePersonnelByWorkshopId(long workshopId)
	{
		return _rollCallEmployeeRepository.GetActivePersonnelByWorkshopId(workshopId);
	}


	public bool IsEmployeeRollCallActive(long employeeId, long workshopId)
	{
		RollCallEmployeeViewModel rollCallEmployee = _rollCallEmployeeRepository.GetByEmployeeIdAndWorkshopId(employeeId, workshopId);
		if (rollCallEmployee == null || rollCallEmployee.IsActiveString != "true" || rollCallEmployee.HasUploadedImage != "true")
			return false;
		var now = DateTime.Now;
		return _rollCallEmployeeStatusRepository.Exists(x => x.RollCallEmployeeId == rollCallEmployee.Id && x.StartDate < now && x.EndDate > now);



	}

	public List<RollCallEmployeeViewModel> GetEmployeeRollCalls(long workshopId)
	{
		return _rollCallEmployeeRepository.GetEmployeeRollCalls(workshopId);
	}

	public (int activeEmployees, int deActiveEmployees) GetActiveAndDeActiveRollCallEmployees(long workshopId)
	{
		return _rollCallEmployeeRepository.GetActiveAndDeActiveRollCallEmployees(workshopId);
	}

	public List<RollCallEmployeeViewModel> GetPersonnelRollCallListAll(long workshopId)
	{
		return _rollCallEmployeeRepository.GetPersonnelRollCallListAll(workshopId);
	}

	public bool HasEmployees(long workshopId)
	{
		return _rollCallEmployeeRepository.HasEmployees(workshopId);
	}

	

	public OperationResult ChangeEmployeeRollCallName(long rollCallEmployeeId, string fName, string lName)
	{
		OperationResult result = new();
		if (string.IsNullOrWhiteSpace(lName) || string.IsNullOrWhiteSpace(fName))
			return result.Failed("نام و نام خانوادگی نمی توانند خالی باشند");
		fName = fName.Trim();
		lName = lName.Trim();
		var fullName = $"{fName} {lName}";
		var entity = _rollCallEmployeeRepository.Get(rollCallEmployeeId);


		if (entity == null)
			return result.Failed(ApplicationMessages.RecordNotFound);

		if (_rollCallEmployeeRepository.Exists(x => x.WorkshopId == entity.WorkshopId && x.EmployeeFullName == fullName && x.id != rollCallEmployeeId))
			return result.Failed("نام و نام خانوادگی کارمند نمی تواند با نام و نام خانوادگی کارمند دیگری در آن کارگاه یکسان باشد");

		if (entity.IsActiveString != "true")
			return result.Failed("امکان تغییر نام برای کارمند غیر فعال وجود ندارد");

		var transaction = _rollCallEmployeeRepository.BeginTransactionAsync().GetAwaiter().GetResult();
		
		entity.ChangeName(fName, lName);
		_rollCallEmployeeRepository.SaveChanges();
		
		var embeddingRes =_faceEmbeddingService
			.UpdateEmbeddingFullNameAsync(entity.EmployeeId, entity.WorkshopId, fullName)
			.GetAwaiter().GetResult();
		if (!embeddingRes.IsSuccedded)
			return result.Failed("خطا در به روز رسانی نام در سیستم تشخیص چهره: " + embeddingRes.Message);
		
		transaction.Commit();
		return result.Succcedded();
	}
	#endregion
}