using Application.Abstractions.Data;
using Application.Abstractions.Messaging;
using Microsoft.EntityFrameworkCore;

namespace Application.Features.Admin.Store.GameGenre.GetAll;

public sealed class Handler(IAppDbContext db) : IQueryHandler<Query, Response>
{
    public async Task<Response> Handle(Query request, CancellationToken ct)
    {
        var items = await db.GameGenre
            .AsNoTracking()
            .OrderBy(c => c.Order)
            .ThenByDescending(c => c.ID)
            .Select(c => new
            {
                c.ID,
                c.KorName,
                c.EngName,
                c.Order,
                c.IsActive,
                GameCount = c.GameGenreMap.Count,
                c.UpdatedAt,
                c.CreatedAt
            })
            .ToListAsync(ct);

        return new Response(
            items.Count,
            [.. items.Select((c, i) => new Response.Row(
                i + 1,
                c.ID,
                i,
                c.KorName,
                c.EngName,
                c.Order,
                c.IsActive,
                c.GameCount,
                c.UpdatedAt,
                c.CreatedAt
            ))]);
    }
}