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

namespace Admin.Pages.Store.Game;

public class IndexModel(IMediator mediator) : PageModel
{
    [BindProperty(SupportsGet = true)]
    public QueryParams Query { get; set; } = new();

    public sealed class QueryParams
    {
        [Range(1, int.MaxValue)]
        [DisplayName("페이지 번호")]
        public int PageNum { get; set; } = 1;

        [Range(1, 100)]
        [DisplayName("페이지 목록 수")]
        public ushort PerPage { get; set; } = 20;

        [DisplayName("검색 조건")]
        [Range(1, 5, ErrorMessage = "{0}이(가) 올바르지 않습니다.")]
        public int? Search { get; set; }

        [DisplayName("검색어")]
        [MaxLength(100, ErrorMessage = "{0}은(는) {1}자 이하로 입력하세요.")]
        public string? Keyword { get; set; }

        [DisplayName("시작일")]
        public string? StartAt { get; set; }

        [DisplayName("종료일")]
        public string? EndAt { get; set; }

        [DisplayName("활성화")]
        public int? IsActive { get; set; }
    }

    public int Total { get; set; }

    public List<(
        int Num,
        int ID,
        string? Code,
        string KorName,
        string? EngName,
        string Publisher,
        string? Thumbnail,
        decimal CommissionRate,
        string? Link,
        char IsActive,
        int Order,
        int ProductCount,
        string? UpdatedAt,
        string CreatedAt,
        string EditURL
    )> List { get; set; } = [];

    public Pagination? Pagination { get; set; }

    public async Task OnGetAsync(CancellationToken ct)
    {
        if (!ModelState.IsValid)
        {
            return;
        }

        // IsActive: 1=활성만, 2=비활성만, null=전체
        bool? isActive = Query.IsActive switch
        {
            1 => true,
            2 => false,
            _ => null
        };

        var result = await mediator.Send(new SearchGames.Query(
            Query.Search,
            Query.Keyword,
            Query.StartAt,
            Query.EndAt,
            isActive,
            Query.PageNum,
            Query.PerPage
        ), ct);

        Total = result.Total;

        var qs = Request.QueryString.ToString();

        List = [.. result.List.Select(c => (
            c.Num,
            c.ID,
            c.Code,
            c.KorName,
            c.EngName,
            c.Publisher,
            c.Thumbnail,
            c.CommissionRate,
            c.Link,
            c.IsActive ? 'Y' : 'N',
            c.Order,
            c.ProductCount,
            c.UpdatedAt.GetDateAt() ?? "-",
            c.CreatedAt.GetDateAt(),
            EditURL: $"/Store/Game/Edit/{c.ID}{qs}"
        ))];

        Pagination = new Pagination(result.Total, Query.PageNum, Query.PerPage);
    }

    public async Task<IActionResult> OnPostDeleteAsync(int[] ids, CancellationToken ct)
    {
        try
        {
            if (ids is null || ids.Length == 0)
            {
                throw new Exception("삭제할 항목을 선택해주세요.");
            }

            var result = await mediator.Send(new DeleteGame.Command(ids), ct);

            if (result.IsFailure)
            {
                throw new Exception(result.Error.Description);
            }

            TempData["SuccessMessage"] = $"{ids.Length}건이 삭제되었습니다.";
        }
        catch (Exception e)
        {
            TempData["ErrorMessages"] = e.Message;
        }

        return Redirect($"{Request.Path}{Request.QueryString}");
    }
}