using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.WebUtilities;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using MTWorkHR.Application.Identity;
using MTWorkHR.Application.Mapper;
using MTWorkHR.Application.Models;
using MTWorkHR.Core.Global;
using MTWorkHR.Core.IRepositories;
using MTWorkHR.Core.UnitOfWork;
using MTWorkHR.Application.Services.Interfaces;
using MTWorkHR.Core.Email;
using MTWorkHR.Core.Entities;
using MTWorkHR.Infrastructure.UnitOfWorks;
using MTWorkHR.Infrastructure.Entities;
using System.Transactions;
using MTWorkHR.Core.Entities.Base;
using System.Threading.Tasks;

namespace MTWorkHR.Application.Services
{
    public class CompanyService :BaseService<Company, CompanyDto, CompanyDto>, ICompanyService
    {
        private readonly IUnitOfWork _unitOfWork;
        private readonly AppSettingsConfiguration _configuration;
        private readonly GlobalInfo _globalInfo;
        private readonly IUserService _userService;
        private readonly IFileService _fileService;
        private readonly ApplicationUserManager _userManager;


        public CompanyService(ApplicationUserManager userManager, IUnitOfWork unitOfWork, GlobalInfo globalInfo, AppSettingsConfiguration configuration, IUserService userService, IFileService fileService) : base(unitOfWork)
        {
            _unitOfWork = unitOfWork;
            _configuration = configuration;
            _globalInfo = globalInfo;
            _userService = userService;
            _fileService = fileService;
            _userManager = userManager;
        }

     
        public override async Task<CompanyDto> GetById(long CompanyId)
        {
            var entity = await _unitOfWork.Company.GetByIdAsync(CompanyId);
            var companyResponse = MapperObject.Mapper.Map<CompanyDto>(entity);
            var userDto = await _userService.GetById(entity.UserId);
            companyResponse.CompanyUser = MapperObject.Mapper.Map<CompanyUserDto>(userDto);
            return companyResponse;
        }

        public async  Task<List<CompanyDto>> GetAllCompanies()
        {
            var Companys = await _unitOfWork.Company.GetAllAsync();
            var response = MapperObject.Mapper.Map<List<CompanyDto>>(Companys);
            return response;
        }

        public override async Task<CompanyDto> Create(CompanyDto input)
        {
            input.UserId = await CreateCompanyUser(input);
            var entity = MapperObject.Mapper.Map<Company>(input);
            if (entity is null)
            {
                throw new AppException(ExceptionEnum.MapperIssue);
            }

            var task = await _unitOfWork.Company.AddAsync(entity);
            await _unitOfWork.CompleteAsync();

            var response = MapperObject.Mapper.Map<CompanyDto>(task);
            return response;
        }
        public async Task<string> CreateCompanyUser(CompanyDto input)
        {
            var companyUser = MapperObject.Mapper.Map<UserDto>(input.CompanyUser);

            //UserDto companyUser = new UserDto
            //{
            //    UserType = UserTypeEnum.Business,
            //    FirstName = input.AuthorizedName,
            //    IdNumber = input.IdNumber, 
            //    Email = input.Email,
            //    PassportNumber = input.PassportNumber,
            //    UserName = input.Email,
            //    PhoneNumber = input.PhoneNumber,
            //    UserAddress = input.Address,
            //};
            var  UserAttachments = new List<AttachmentDto>();
            if (input.CommercialRegAttach != null)
            {
                UserAttachments.Add(new AttachmentDto { FileData = input.CommercialRegAttach, OriginalName = input.CommercialRegAttach?.Name, FileName = input.CommercialRegAttach?.FileName, AttachmentTypeId = 6 });
            }
            if (input.PassportAttach != null)
            {
                UserAttachments.Add(new AttachmentDto { FileData = input.PassportAttach, OriginalName = input.PassportAttach?.Name, FileName = input.PassportAttach?.FileName, AttachmentTypeId = 2 });
            }
            if (input.TaxDeclarationAttach != null)
            {
                UserAttachments.Add(new AttachmentDto { FileData = input.TaxDeclarationAttach, OriginalName = input.TaxDeclarationAttach?.Name, FileName = input.TaxDeclarationAttach?.FileName, AttachmentTypeId = 7 });
            }
            if (input.ExperienceCertificateAttach != null)
            {
                UserAttachments.Add(new AttachmentDto { FileData = input.ExperienceCertificateAttach, OriginalName = input.ExperienceCertificateAttach?.Name, FileName = input.ExperienceCertificateAttach?.FileName, AttachmentTypeId = 4 });
            }
            if (input.IdAttach != null)
            {
                UserAttachments.Add(new AttachmentDto { FileData = input.IdAttach, OriginalName = input.IdAttach?.Name, FileName = input.IdAttach?.FileName, AttachmentTypeId = 8 });
            }
            if (!await _fileService.CopyFileToActualFolder(UserAttachments.ToList()))
                throw new AppException(ExceptionEnum.CouldNotMoveFiles);

           // var userResp = await _userService.Create(companyUser);
            var user = MapperObject.Mapper.Map<ApplicationUser>(companyUser);
            if (user.UserType == 0)
            {
                user.UserType = (int)UserTypeEnum.Business;
            }
            var result = await _userManager.CreateAsync(user, companyUser.Password);
            if (!result.Succeeded)
            {
                if (result.Errors != null && result.Errors.Count() > 0)
                {
                    var msg = result.Errors.Select(a => a.Description).Aggregate((a, b) => a + " /r/n " + b);
                    throw new AppException(msg);
                }
                throw new AppException(ExceptionEnum.RecordCreationFailed);
            }
            return user.Id;
        }


        public override async Task<CompanyDto> Update(CompanyDto input)
        {
            var companyUser = MapperObject.Mapper.Map<UserDto>(input.CompanyUser);

            await _userService.Update(companyUser);
            var entity = await _unitOfWork.Company.GetByIdAsync(input.Id);

            if (entity == null)
                throw new AppException(ExceptionEnum.RecordNotExist);

            MapperObject.Mapper.Map(input, entity, typeof(CompanyDto), typeof(Company));

            await _unitOfWork.CompleteAsync();

            return input;
        }


        public override async  Task Delete(long id)
        {
            var entity = await _unitOfWork.Company.GetByIdAsync(id);
            await _userService.Delete(entity.UserId); // delete user first
            await _unitOfWork.Company.DeleteAsync(entity);

        }
    }
}