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

namespace Application.Features.Api.ChannelTitle.GetChannelTitles;

internal sealed class Handler(IAppDbContext db) : IQueryHandler<Query, Response>
{
    public async Task<Response> Handle(Query request, CancellationToken ct)
    {
        var query = db.ChannelTitle.AsNoTracking().Where(t => t.ChannelID == request.ChannelID);

        if (!request.IncludeInactive)
        {
            query = query.Where(t => t.IsActive);
        }

        var titles = await query.OrderBy(t => t.SortOrder).ThenBy(t => t.MinAmount)
            .Select(t => new TitleItem(
                t.ID,
                t.ChannelID,
                t.Name,
                t.Description,
                t.MinAmount,
                t.Color,
                t.IconUrl,
                t.SortOrder,
                t.IsActive
            ))
            .ToListAsync(ct);

        return new Response(titles);
    }
}