using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Diagnostics.CodeAnalysis;
namespace Scratch.Data
{
	public class Department
	{
		[Key]
		public int Id { get; set; }
		[Required]
		public string departmentName { get; set; }
		[Required]
		[ForeignKey("AspNetUsers")]
		public string departmentManagerId { get; set; }
		[AllowNull]
		[ForeignKey("AspNetUserRoles")]
		public string? managerRoleId;
		[AllowNull]
		[ForeignKey("AspNetUserRoles")]
		public string? userRoleId;
		[AllowNull]
		public int? defaultDisplayOrder;
	}
}

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.Build.Evaluation;
using Microsoft.CodeAnalysis;
using Microsoft.EntityFrameworkCore;
using Scratch.Data;
using System.Text.RegularExpressions;
using Microsoft.AspNetCore.Mvc.TagHelpers;
namespace Scratch.Pages.Admin_Tools
{
	[BindProperties]
	[Authorize(Roles = "Administrators,ProjectManager")]
	public class CreateDepartmentIntTestModel : PageModel
	{
		private readonly ApplicationDbContext _db;
		
		private readonly UserManager<IdentityUser> _userManager;
		private readonly IUserStore<IdentityUser> _userStore;
		private readonly RoleManager<IdentityRole> _roleManager;
		private readonly IRoleStore<IdentityRole> _roleStore;
		public Department Department { get; set; }
		public CreateDepartmentIntTestModel(ApplicationDbContext db, UserManager<IdentityUser> userManager,
			IUserStore<IdentityUser> userStore,
			RoleManager<IdentityRole> roleManager,
			IRoleStore<IdentityRole> roleStore)
		{
			_db = db;
			_userManager = userManager;
			_userStore = userStore;
			_roleManager = roleManager;
			_roleStore = roleStore;
		}
	
		
		
		public async Task<IActionResult> OnGet()
		{
			
			return Page();
        }
		
		public async Task<IActionResult> OnPost()
		{
			
			//this is always null despite inputs
			if (Department.defaultDisplayOrder == null)
			{
				//add breakpoint here:
				ModelState.AddModelError("Department.defaultDisplayOrder", "display order is null");
			}
			
			
			return Page();
		}
		
	}
}

@page
@model Scratch.Pages.Admin_Tools.CreateDepartmentIntTestModel
@{
}
<form method="post">
	
	<input hidden asp-for="Department.managerRoleId"   />
	<input hidden asp-for="Department.userRoleId"  />
	<div class="border p-3 mt-4">
		<div asp-validation-summary="All" class="text-danger"></div>
		<div class="row pb-2">
			<h2 class="text-primary pl-3">
				Test to enter a numeric value to department:
			</h2>
		</div>
		<div class="mb-3">
			Department Display Order Value:
			<input asp-for="Department.defaultDisplayOrder" class="form-control" />
			<span asp-validation-for="Department.defaultDisplayOrder" class="text-danger"></span>
			
			<hr/>
			
		</div>
		<button type="submit" class="btn btn-primary" style="width:150px;">Create</button>
	</div>
	
</form>

public int? defaultDisplayOrder { get; set; }