using CMSMicroservice.Application.Common.FileManager;
using CMSMicroservice.Application.Common.Interfaces;
using CMSMicroservice.Domain.Entities.Content;
using MediatR;

namespace CMSMicroservice.Application.SitePageCQ.Commands.CreateSitePage;

public class CreateSitePageCommandHandler : IRequestHandler<CreateSitePageCommand, long>
{
    private readonly IApplicationDbContext _context;
    private readonly IFileManager _fileManager;

    public CreateSitePageCommandHandler(IApplicationDbContext context, IFileManager fileManager)
    {
        _context = context;
        _fileManager = fileManager;
    }

    public async Task<long> Handle(CreateSitePageCommand request, CancellationToken cancellationToken)
    {
        var entity = new SitePage
        {
            PageKey = request.PageKey,
            Title = request.Title,
            MetaDescription = request.MetaDescription,
            HeroTitle = request.HeroTitle,
            HeroSubtitle = request.HeroSubtitle,
            IsActive = request.IsActive
        };

        // آپلود تصویر هیرو (اگر فایل ارسال شده باشد)
        if (request.ImageFileBytes is { Length: > 0 })
        {
            var result = await _fileManager.UploadImageAsync(
                "Images/SitePages",
                request.ImageFileBytes,
                request.ImageFileMime ?? "image/jpeg",
                request.ImageFileName,
                cancellationToken);

            entity.HeroImagePath = result.Main.Path;
        }

        _context.SitePages.Add(entity);
        await _context.SaveChangesAsync(cancellationToken);

        return entity.Id;
    }
}