using Grand.Business.Core.Interfaces.Catalog.Brands;
using Grand.Web.Features.Models.Catalog;
using MediatR;

namespace Grand.Web.Features.Handlers.Catalog;

public class GetBrandLayoutViewPathHandler : IRequestHandler<GetBrandLayoutViewPath, string>
{
    private readonly IBrandLayoutService _brandLayoutService;

    public GetBrandLayoutViewPathHandler(
        IBrandLayoutService brandLayoutService)
    {
        _brandLayoutService = brandLayoutService;
    }

    public async Task<string> Handle(GetBrandLayoutViewPath request, CancellationToken cancellationToken)
    {
        var layout = await _brandLayoutService.GetBrandLayoutById(request.LayoutId) ??
                     (await _brandLayoutService.GetAllBrandLayouts()).FirstOrDefault();
        if (layout == null)
            throw new Exception("No default layout could be loaded");
        return layout.ViewPath;
    }
}