using System;
using System.Collections.Generic;
using System.Linq;
using Kreta.BusinessLogic.Classes.MobileApi.Naplo.V2.Co.Post.Naplozas;
using Kreta.BusinessLogic.Interfaces;
using Kreta.BusinessLogic.Logic.Naplozas;
using Kreta.BusinessLogic.Logic.Naplozas.Validacio;
using Kreta.BusinessLogic.Validation;
using Kreta.Client.CoreApi;
using Kreta.Core.ConnectionType;
using Kreta.Core.Validation.Exceptions;
using Kreta.Core.Validation.Exceptions.Enum;
using Kreta.Framework.Entities;
using Kreta.Resources;

namespace Kreta.BusinessLogic.Classes.MobileApi.Naplo.V2.SubqueriesRepo.Post
{
    public static class OrarendPostSubqueries
    {
        public static List<OraNaplozasResponseCo> CreateOraNaplozas(int teacherId, int intezmenyId, string intezmenyAzonosito, int tanevId, List<OraNaplozasRequestCo> request, IFileServiceHelper fileServiceHelper, ICoreApiClient coreApiClient)
        {
            var response = new List<OraNaplozasResponseCo>();

            if (request.Count < 1)
            {
                throw new ValidationException(ValidationErrorType.Undefined, ErrorResource.NincsNaplozandoOra);
            }

            var naploValidacioParameters = new NaploValidacioParameters(from: request.Min(x => x.Datum), to: request.Max(x => x.Datum).AddDays(1), new MobileConnectionType(teacherId, intezmenyId, intezmenyAzonosito, tanevId), felhasznaloSzerepkor: null);

            var naploValidator = new NaploValidacio(naploValidacioParameters);
            CheckAzonosElem(request);

            return OraNaplozas();

            List<OraNaplozasResponseCo> OraNaplozas()
            {
                foreach (var naplozandoOra in request)
                {
                    try
                    {
                        var blValidator = new BlValidator(naplozandoOra);
                        if (!blValidator.IsValid)
                        {
                            throw blValidator.ConvertToValidationException();
                        }
                        var logicCo = new NaplozasMobilCo();
                        naplozandoOra.ConvertTo(logicCo);
                        var naplozasLogic = new NaplozasLogic(naploValidator, logicCo);
                        naplozasLogic.SaveNaplozas(fileServiceHelper, coreApiClient);
                        response.Add(new OraNaplozasResponseCo()
                        {
                            Exception = null,
                            MobilId = naplozandoOra.MobilId
                        });
                    }
                    catch (ValidationException execption)
                    {
                        response.Add(new OraNaplozasResponseCo()
                        {
                            Exception = execption,
                            MobilId = naplozandoOra.MobilId
                        });
                    }
                    catch (EntityNotFoundException)
                    {
                        response.Add(new OraNaplozasResponseCo()
                        {
                            Exception = new ValidationException(ValidationErrorType.Undefined, ErrorResource.NaplozasSikertelenAzOraMarNemLetezikAKivalasztottNapon),
                            MobilId = naplozandoOra.MobilId
                        });
                    }
                }

                return response;
            }
        }

        private static void CheckAzonosElem(List<OraNaplozasRequestCo> request)
        {
            var tupleList = new List<(int OraRendiOraId, DateTime Date)>();
            foreach (var naplozandoOra in request)
            {
                if (tupleList.Any(x => x.OraRendiOraId == naplozandoOra.OrarendiOraId && x.Date == naplozandoOra.Datum))
                {
                    throw new ValidationException(ValidationErrorType.Undefined, ErrorResource.TobbszorosNaplozas);
                }

                if (naplozandoOra.OrarendiOraId.HasValue)
                {
                    tupleList.Add((OraRendiOraId: naplozandoOra.OrarendiOraId.Value, Date: naplozandoOra.Datum));
                }
            }
        }
    }
}