using Domain.Entities.Store.ValueObject;
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.Order;

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

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

        [Range(1, 100)]
        public ushort PerPage { get; set; } = 20;

        [DisplayName("검색 조건")]
        [Range(1, 2, ErrorMessage = "{0}이(가) 올바르지 않습니다.")]
        public int? Search { get; set; }

        [DisplayName("검색어")]
        [MaxLength(100)]
        public string? Keyword { get; set; }

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

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

        [DisplayName("주문 상태")]
        public OrderStatus? Status { get; set; }
    }

    public int Total { get; set; }

    public SearchOrders.Response.StatusCounts? Counts { get; set; }

    public List<(
        int Num,
        int ID,
        string OrderNumber,
        string MemberEmail,
        string? ChannelName,
        int TotalAmount,
        int PlatformFee,
        int GameRevenue,
        int ChannelReward,
        OrderStatus Status,
        string StatusText,
        string CreatedAt,
        string DetailURL
    )> List { get; set; } = [];

    public Pagination? Pagination { get; set; }

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

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

        Total = result.Total;
        Counts = result.Counts;

        List = [.. result.List.Select(c => (
            c.Num,
            c.ID,
            c.OrderNumber,
            c.MemberEmail,
            c.ChannelName,
            c.TotalAmount,
            c.PlatformFeeAmount,
            c.GameRevenueAmount,
            c.ChannelRewardAmount,
            c.Status,
            StatusText: StatusToText(c.Status),
            c.CreatedAt.GetDateAt(),
            DetailURL: $"/Store/Order/Detail/{c.ID}{Request.QueryString}"
        ))];

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

    public static string StatusToText(OrderStatus s) => s switch
    {
        OrderStatus.Pending => "결제 전",
        OrderStatus.Paid => "결제완료",
        OrderStatus.Preparing => "준비중",
        OrderStatus.Shipped => "배송중",
        OrderStatus.Delivered => "배송완료",
        OrderStatus.Cancelled => "취소",
        OrderStatus.Refunded => "환불",
        OrderStatus.Exchanged => "교환",
        _ => "?"
    };
}