using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.EntityFrameworkCore;
using Data;
using Data.Entities;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;

namespace WebApp.Controllers
{
    public class UserWithRoles
    {
        public string UserName { get; set; }
        public string FirstName { get; set; }
        public string LastName { get; set; }
        public string Email { get; set; }
        public string PersonalNumber { get; set; }
        public string PhoneNumber { get; set; }
        public string Role { get; set; }
    }

    public class UsersController : Controller
    {
        private readonly RentACarDbContext _context;

        public UsersController(RentACarDbContext context)
        {
            _context = context;
        }

        // GET: Users
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> Index()
        {
            ICollection<User> users = await _context.Users.ToListAsync();

            ICollection<UserWithRoles> usersWithRole = new List<UserWithRoles>();

            //foreach (var item in users)
            //{
            //    var userRole = await _context.UserRoles.FirstOrDefaultAsync(userRoles => userRoles.UserId == item.Id);
            //    var role = await _context.Roles.FirstOrDefaultAsync(role => role.Id == userRole.RoleId);
            //    usersWithRole.Add(
            //        new UserWithRoles()
            //        {
            //            UserName = item.UserName,
            //            FirstName = item.FirstName,
            //            LastName = item.LastName,
            //            Email = item.Email,
            //            PersonalNumber = item.PersonalNumber,
            //            PhoneNumber = item.PhoneNumber,
            //            Role = role.Name
            //        }
            //    );
            //}

            return View(users);
        }

        // GET: Users/Edit/5
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> Edit(string id)
        {
            if (id == null)
            {
                return NotFound();
            }

            var user = await _context.Users.FindAsync(id);
            if (user == null)
            {
                return NotFound();
            }
            return View(user);
        }

        // GET: Rents/Create
        [Authorize(Roles = "Admin")]
        public IActionResult Create(int id)
        {
            return View();
        }
        // POST: Rents/Create
        // To protect from overposting attacks, enable the specific properties you want to bind to.
        // For more details, see http://go.microsoft.com/fwlink/?LinkId=317598.
        [HttpPost]
        [ValidateAntiForgeryToken]
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> Create([Bind("FirstName,LastName,PersonalNumber,Id,UserName,NormalizedUserName,Email,NormalizedEmail,EmailConfirmed,PasswordHash,SecurityStamp,ConcurrencyStamp,PhoneNumber,PhoneNumberConfirmed,TwoFactorEnabled,LockoutEnd,LockoutEnabled,AccessFailedCount")] User user)
        {
            user.Id = Guid.NewGuid().ToString();
            PasswordHasher<string> passwordHasher = new PasswordHasher<string>();
            user.PasswordHash = passwordHasher.HashPassword(user.Id, user.PasswordHash);
            if (ModelState.IsValid)
            {
                _context.Add(user);
                await _context.SaveChangesAsync();
                return RedirectToAction(nameof(Index));
            }
            return View(user);
        }
        // POST: Users/Edit/5
        // To protect from overposting attacks, enable the specific properties you want to bind to.
        // For more details, see http://go.microsoft.com/fwlink/?LinkId=317598.
        [HttpPost]
        [ValidateAntiForgeryToken]
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> Edit(string id, [Bind("FirstName,LastName,PersonalNumber,Id,UserName,NormalizedUserName,Email,NormalizedEmail,EmailConfirmed,PasswordHash,SecurityStamp,ConcurrencyStamp,PhoneNumber,PhoneNumberConfirmed,TwoFactorEnabled,LockoutEnd,LockoutEnabled,AccessFailedCount")] User user)
        {
            if (id != user.Id)
            {
                return NotFound();
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(user);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!UserExists(user.Id))
                    {
                        return NotFound();
                    }
                    else
                    {
                        throw;
                    }
                }
                return RedirectToAction(nameof(Index));
            }
            return View(user);
        }

        // GET: Users/Delete/5
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> Delete(string id)
        {
            if (id == null)
            {
                return NotFound();
            }

            var user = await _context.Users
                .FirstOrDefaultAsync(m => m.Id == id);
            if (user == null)
            {
                return NotFound();
            }

            return View(user);
        }

        // POST: Users/Delete/5
        [HttpPost, ActionName("Delete")]
        [ValidateAntiForgeryToken]
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> DeleteConfirmed(string id)
        {
            var user = await _context.Users.FindAsync(id);
            _context.Users.Remove(user);
            await _context.SaveChangesAsync();
            return RedirectToAction(nameof(Index));
        }
        // GET: Users/Details/5
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> Details(string id)
        {
            if (id == null)
            {
                return NotFound();
            }

            var user = await _context.Users
                .FirstOrDefaultAsync(m => m.Id == id);
            if (user == null)
            {
                return NotFound();
            }

            return View(user);
        }
        private bool UserExists(string id)
        {
            return _context.Users.Any(e => e.Id == id);
        }
    }
}