using Serilog;
using System;
using System.Linq;
using System.Threading.Tasks;
using webapi.Domain.AggregatesModel.FlatApprovalAggregate;
using webapi.Domain.AggregatesModel.UserFlatMappingAggregate;
using webapi.Domain.Events;
using webapi.Domain.SeedWork;
using webapi.Exceptions;
using webapi.Infractructure.Repositories;

namespace webapi.Infractructure.EventHandlers
{
    //public class AutoAddUserToFlatMappingDomainEventHandler : BaseEventHandler<AutoAddUserToFlatMappingDomainEvent>
    //{
    //    readonly IUserFlatMappingRepository _repository;
    //    readonly IUserAuthRepository _userAuthRepository;
    //    readonly IFlatRepository _flatRepository;
    //    readonly ILogger _log;

    //    public AutoAddUserToFlatMappingDomainEventHandler(ILogger log, IUserFlatMappingRepository repository, 
    //        IUserAuthRepository userAuthRepository, IFlatRepository flatRepository) {
    //        _repository = repository;
    //        _userAuthRepository = userAuthRepository;
    //        _flatRepository = flatRepository;
    //        _log = log;
    //    }

    //    public override async Task Handle(AutoAddUserToFlatMappingDomainEvent request)
    //    {
    //        _log.Information($"request.UserId.HasValue: {request.UserId.HasValue}");
    //        _log.Information($"request.FlatId.HasValue: {request.FlatId.HasValue}");
    //        if (request.UserId.HasValue)
    //        {
    //            var user = _userAuthRepository.GetByUserId(request.UserId.Value);

    //            if (user == null) throw new WarningException($"User with userId: {request.UserId} is not found");

    //            //Get all flats with user info
    //            _log.Information($"GetFlatWithUserInfo: {request.PMCId}");
    //            var flats2map = _flatRepository.GetFlatWithUserInfo(request.PMCId);
    //            _log.Information($"flats2map: {flats2map.Count()}");
    //            _log.Information($"user.PINId: {user.PINId}");
    //            //Get all users from IDP with strong auth and matched PIN
    //            var flats = flats2map.Where(x => x.Users.Any(u => u.PIN == user.PINId));
    //            //.Select(x =>
    //            //new
    //            //{
    //            //    Flat = x,
    //            //    PINs = x.Users
    //            //        .Where(u => !string.IsNullOrEmpty(u.PIN))
    //            //        .Select(u => u.PIN)
    //            //        .Distinct().ToArray()
    //            //});
    //            _log.Information($"flats: {flats.Count()}");
    //            foreach (var flat in flats)
    //            {
    //                //foreach (var pin in flatUsers.PINs)
    //                //{
    //                //flatUsers.Flat.AutoAssignUser(pin);
    //                //await _flatRepository.SaveChanges(flatUsers.Flat, skipEntitySaving: true);
    //                //}

    //                await SaveMapping(user.Id, flat.Id);
    //            }
    //        }
    //        else if(request.FlatId.HasValue){
    //            var flat = _flatRepository.GetFlatById(request.FlatId.Value);
    //            var users = flat.Users.Where(u => !string.IsNullOrEmpty(u.PIN));
    //            if (users.Any()) {
    //                foreach (var user in users)
    //                {
    //                    var userAuth = _userAuthRepository.GetUserByPIN(user.PIN);
    //                    if (userAuth != null)
    //                    {
    //                        await SaveMapping(userAuth.Id, flat.Id);
    //                    }
    //                }
    //            }
    //        }
    //    }

    //    private async Task SaveMapping(Guid userAuthId, Guid flatId) {
    //        _log.Information($"SaveMapping: {userAuthId} {flatId}");
    //        var u2f = _repository.GetUserFlatsMappings(userAuthId, flatId).FirstOrDefault();
    //        if (u2f == null)
    //        {
    //            u2f = new UserFlatMapping(flatId, userAuthId, Guid.NewGuid());
    //        }
    //        u2f.SetAutomatic();
    //        await _repository.SaveChanges(u2f);
    //    }
    //}
}