using Application.Abstractions.Identity.Models;
using Application.Abstractions.Messaging;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;

namespace Admin.Pages.Director.User;

public class RolesModel(IMediator mediator) : PageModel
{
    [BindProperty]
    public required GetUserRoles.Response Input { get; set; }

    public async Task<IActionResult> OnGetAsync(string id, CancellationToken ct)
    {
        if (string.IsNullOrEmpty(id))
        {
            TempData["ErrorMessages"] = "유효하지 않은 접근입니다.";
            return RedirectToPage("/Director/User/Index");
        }

        var result = await mediator.Send(new GetUserRoles.Query(id), ct);
        if (result.IsFailure)
        {
            TempData["ErrorMessages"] = result.Error.Description;
            return RedirectToPage("/Director/User/Index");
        }

        Input = result.Value;
        return Page();
    }

    public async Task<IActionResult> OnPostAsync(CancellationToken ct)
    {
        if (!ModelState.IsValid)
        {
            TempData["ErrorMessages"] = "유효성 검사에 실패하였습니다.";
            return Page();
        }

        var command = new UpdateUserRoles.Command(
            Input!.User.ID,
            new UserRolesDto
            {
                Roles = [.. (Input.Roles ?? []).Select(r => new UserRolesDto.Checkbox { DisplayValue = r.DisplayValue, IsSelected = r.IsSelected })]
            }
        );

        await mediator.Send(command, ct);

        TempData["SuccessMessage"] = "권한이 변경되었습니다.";

        return RedirectToPage(new { id = Input.User.ID });
    }
}