using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using TIAM.Database.DbContexts;
using TIAM.Entities.Users;

namespace TIAM.Database.DataLayers.Users
{
    public class AdminDal : TiamDalBase<AdminDbContext>
    {
        
        public AdminDal() : base()
        {
        }

        public Task<List<User>> GetUsersAsync()
        {
            return Ctx.Users.ToListAsync();
        }

        public Task<User?> GetUserByEmailAsync(string email)
        {
            Console.WriteLine($"Getting user from db {email}");
            var emailLower = email.ToLower();
            return Ctx.Users.SingleOrDefaultAsync(x=>x.Email.ToLower() == emailLower);
        }

        public Task<bool> CreateUserAsync(User user)
        {
            user.Created = DateTime.UtcNow;
            user.Modified = DateTime.UtcNow;
            Ctx.Users.Add(user);
            Console.WriteLine($"Saving user to db {user.Id}, {user.Email}, {user.PhoneNumber}, {user.Password}");
            return Ctx.SaveChangesAsync().ContinueWith(x=>x.Result > 0);
        }

        public Task<bool> UpdateUserAsync(User user)
        {
            var existingUser = Ctx.Users.FirstOrDefault(u => u.Email == user.Email);
            if (existingUser != null)
            {
                //user.Modified = DateTime.UtcNow; //ezt nem kell megadni, a háttérben ezt magától megcsinálja a DbContextBase - J.
                existingUser = user;
                Ctx.Users.Update(existingUser);
                return Ctx.SaveChangesAsync().ContinueWith(x => x.Result > 0);
            }
            else
            {
                throw new Exception("User not found");
            }
        }
    }
}