TheInfinityIQ_GCP/src/gcp-backend/GCP.Api/Areas/Identity/Pages/Account/ResetPassword.cshtml.cs
#nullable disable

using System.ComponentModel.DataAnnotations;
using System.Text;

using GCP.Api.Data.Entities;

using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.WebUtilities;

namespace GCP.Api.Areas.Identity.Pages.Account
{
	public class ResetPasswordModel : PageModel
	{
		private readonly UserManager<User> _userManager;

		public ResetPasswordModel(UserManager<User> userManager)
		{
			_userManager = userManager;
		}

		[BindProperty]
		public InputModel Input { get; set; }

		public class InputModel
		{
			[Required]
			[EmailAddress]
			public string Email { get; set; }

			[Required]
			[StringLength(100, ErrorMessage = "The {0} must be at least {2} and at max {1} characters long.", MinimumLength = 6)]
			[DataType(DataType.Password)]
			public string Password { get; set; }

			[DataType(DataType.Password)]
			[Display(Name = "Confirm password")]
			[Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]
			public string ConfirmPassword { get; set; }

			[Required]
			public string Code { get; set; }
		}

		public IActionResult OnGet(string code = null)
		{
			if (code is null)
			{
				return BadRequest("A code must be supplied for password reset.");
			}
			else
			{
				Input = new InputModel
				{
					Code = Encoding.UTF8.GetString(WebEncoders.Base64UrlDecode(code))
				};
				return Page();
			}
		}

		public async Task<IActionResult> OnPostAsync()
		{
			if (!ModelState.IsValid)
			{
				return Page();
			}

			var user = await _userManager.FindByEmailAsync(Input.Email);
			if (user is null)
			{
				// Don't reveal that the user does not exist
				return RedirectToPage("./ResetPasswordConfirmation");
			}

			var result = await _userManager.ResetPasswordAsync(user, Input.Code, Input.Password);
			if (result.Succeeded)
			{
				return RedirectToPage("./ResetPasswordConfirmation");
			}

			foreach (var error in result.Errors)
			{
				ModelState.AddModelError(string.Empty, error.Description);
			}
			return Page();
		}
	}
}
