using DbContextLib;
using Model.DTO;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Model.Mappers;
using Model.Business;
using Microsoft.EntityFrameworkCore;
using Entities.SQLudeoDB;
using ModelToEntity;
using Utils;

namespace Services
{
    public class UserDataService : IUserDataService<UserDTO?>
    {
        private readonly IUserDataService<User> dataServiceEF;
        public UserDataService(IUserDataService<User> dataServiceEF) 
        {
            this.dataServiceEF = dataServiceEF;
        }

        public async Task<UserDTO?> GetUserById(int id)
        {
            var user = await dataServiceEF.GetUserById(id);
            return user.FromModelToDTO();
        }

        public async Task<UserDTO?> GetUserByUsername(string username)
        {
            var user = await dataServiceEF.GetUserByUsername(username);
            return user.FromModelToDTO();
        }

        public async Task<IEnumerable<UserDTO?>> GetUsers(int page, int number)
        {
            var users =  await dataServiceEF.GetUsers(page, number);
            return users.Select(u => u.FromModelToDTO());
        }

        public async Task<bool> DeleteUser(int id)
        {
            var respons = await dataServiceEF.DeleteUser(id);
            return respons;
        }

        public async Task<UserDTO?> UpdateUser(int id, UserDTO user)
        {
            var updatingUser = await dataServiceEF.UpdateUser(id, user);
            return updatingUser.FromModelToDTO();
        }
        public async Task<UserDTO?> CreateUser(string username, string password, string email, bool isAdmin)
        {
            var newUserEntity =  await dataServiceEF.CreateUser(username, password, email, isAdmin);
            return newUserEntity.FromModelToDTO();
        }

        public async Task<UserDTO?> AddItem(UserDTO? item)
        {
            var newItem = await dataServiceEF.AddItem(item.FromDTOToModel());
            if (newItem == null) 
            {
                throw new InvalidOperationException();
            }
            return newItem.FromModelToDTO();
        }

        public Task<bool> DeleteItem(int id)
        {
            var succes = dataServiceEF.DeleteItem(id);
            return succes;
        }

        public async Task<UserDTO> UpdateItem<TDto>(int? id, TDto? newItem) where TDto : class
        {
            var item = await dataServiceEF.UpdateItem<TDto>(id, newItem);
            return item.FromModelToDTO();
        }

        public async Task<IEnumerable<UserDTO?>> GetItems(int page, int count, string? orderingPropertyName = null, object? valueProperty = null)
        {
            var items = await dataServiceEF.GetItems(page, count, orderingPropertyName, valueProperty);
            if (items == null)
            {
                throw new NoDataFoundException();
            }
            return items.Select(item => item.FromModelToDTO());
        }

        public Task<IEnumerable<ParagraphDTO>> GetParagraphs(int page, int number)
        {
            throw new NotImplementedException();
        }

        public Task<ParagraphDTO> GetParagraphById(int id)
        {
            throw new NotImplementedException();
        }

        public Task<ParagraphDTO> GetParagraphByTitle(string title)
        {
            throw new NotImplementedException();
        }

        public Task<bool> DeleteParagraph(int id)
        {
            throw new NotImplementedException();
        }

        public Task<ParagraphDTO> UpdateParagraph(int id, ParagraphDTO paragraphDTO)
        {
            throw new NotImplementedException();
        }

        public Task<ParagraphDTO> CreateParagraph(string title, string content, string info, string query, string comment)
        {
            throw new NotImplementedException();
        }

        public Task<IEnumerable<UserDTO>> GetSuccesses(int page, int number)
        {
            throw new NotImplementedException();
        }

        public Task<UserDTO> GetSuccessByUserId(int id)
        {
            throw new NotImplementedException();
        }

        public Task<UserDTO> GetSuccessByInquiryId(int id)
        {
            throw new NotImplementedException();
        }

        public Task<bool> DeleteSuccess(int id)
        {
            throw new NotImplementedException();
        }

        public Task<UserDTO> UpdateSuccess(int id, SuccessDTO success)
        {
            throw new NotImplementedException();
        }

        public Task<UserDTO> CreateSuccess(int userId, int inquiryId, bool isFinished)
        {
            throw new NotImplementedException();
        }
    }
}