using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using MTG_CollectionVerwaltung.Data;
using System.Threading.Tasks;

namespace MTG_CollectionVerwaltung.Areas.Identity.Pages.Account.Admin
{
    [Authorize(Roles = "Admin")]
    public class ModifyUserModel : PageModel
    {
        private readonly UserManager<ApplicationUser> _userManager;

        public ModifyUserModel(UserManager<ApplicationUser> userManger)
        {
            _userManager = userManger;
        }

        [TempData]
        public string StatusMessage { get; set; }

        public ApplicationUser? userToModyfy { get; set; }

        public async Task<IActionResult> OnGet(string id)
        {
            var CurrentUserID = _userManager.GetUserId(User);
            userToModyfy = await _userManager.FindByIdAsync(id);
            if (id == CurrentUserID)
            {
                return RedirectToPage("/Account/Admin/Index");
            }
            return Page();
        }

        public async Task<IActionResult> OnPostResetPasswordAsync(string userId)
        {
            var userToModyfy = await _userManager.FindByIdAsync(userId);

            if (userToModyfy == null) {
                StatusMessage = "Error Benutzer konnte nicht gefunden werden.";
                return Page();
            }

            var currentUserId = _userManager.GetUserId(User);
            if (userId == currentUserId)
            {
                StatusMessage = "Error Passwort des eigenen user kann nicht zurückgesetzt werden.";
                return Page();
            }


            var standardPassword = "Password123!";

            var token = await _userManager.GeneratePasswordResetTokenAsync(userToModyfy);

            var result = await _userManager.ResetPasswordAsync(userToModyfy, token, standardPassword);

            if (result.Succeeded)
            {
                StatusMessage = $"Passwort von {userToModyfy.UserName} zurückgesetzt.";
            }
            else
            {
                StatusMessage = "Error " + string.Join(", ", result.Errors.Select(e => e.Description));
            }

            return Page();
        }
    }
}