using SharedKernel.Extensions;
using Application.Abstractions.Messaging;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;

namespace Admin.Pages.NavMenu;

public class EditModel(IMediator mediator) : PageModel
{
    [BindProperty]
    public InputModel Input { get; set; } = new();

    public sealed class InputModel
    {
        [DisplayName("ID")]
        [Required(ErrorMessage = "{0}은(는) 필수입니다.")]
        public int ID { get; set; }

        [DisplayName("메뉴 명")]
        [DataType(DataType.Text)]
        [Required(ErrorMessage = "{0}은(는) 필수입니다.")]
        [StringLength(50, ErrorMessage = "{0}은(는) {1}자 이하로 입력하세요.")]
        public string Label { get; set; } = null!;

        [DisplayName("링크 주소")]
        [DataType(DataType.Text)]
        [Required(ErrorMessage = "{0}은(는) 필수입니다.")]
        [StringLength(200, ErrorMessage = "{0}은(는) {1}자 이하로 입력하세요.")]
        public string Href { get; set; } = null!;

        [DisplayName("순서")]
        [Required(ErrorMessage = "{0}은(는) 필수입니다.")]
        [Range(0, 9999, ErrorMessage = "{0} 값의 범위는 {1} ~ {2} 입니다.")]
        public int SortOrder { get; set; } = 0;

        [DisplayName("노출 여부")]
        public bool IsVisible { get; set; } = true;
    }

    public async Task<IActionResult> OnGetAsync(int id, CancellationToken ct)
    {
        var result = await mediator.Send(new Application.Features.Admin.NavMenu.Get.Query(id), ct);
        if (result.IsFailure)
        {
            TempData["ErrorMessages"] = result.Error.Description;
            return RedirectToPage("/NavMenu/Index");
        }

        var data = result.Value;

        Input = new InputModel
        {
            ID = data.ID,
            Label = data.Label,
            Href = data.Href,
            SortOrder = data.SortOrder,
            IsVisible = data.IsVisible
        };

        return Page();
    }

    public async Task<IActionResult> OnPostAsync(CancellationToken ct)
    {
        if (!ModelState.IsValid)
        {
            TempData["ErrorMessages"] = ModelState.GetErrorMessages();
            return Redirect($"/NavMenu/Edit/{Input.ID}");
        }

        var result = await mediator.Send(new Application.Features.Admin.NavMenu.Update.Command(
            Input.ID,
            Input.Label,
            Input.Href,
            Input.SortOrder,
            Input.IsVisible
        ), ct);

        if (result.IsFailure)
        {
            TempData["ErrorMessages"] = result.Error.Description;
        }
        else
        {
            TempData["SuccessMessage"] = $"{Input.Label} 메뉴가 수정되었습니다.";
        }

        return Redirect($"/NavMenu/Edit/{Input.ID}");
    }
}