using MediatR;
using Microsoft.EntityFrameworkCore;
using Mirea.Api.DataAccess.Application.Common.Exceptions;
using Mirea.Api.DataAccess.Application.Interfaces.DbContexts.Schedule;
using System.Threading;
using System.Threading.Tasks;

namespace Mirea.Api.DataAccess.Application.Cqrs.Faculty.Commands.UpdateFaculty;

public class UpdateFacultyCommandHandler(IFacultyDbContext dbContext) : IRequestHandler<UpdateFacultyCommand>
{
    public async Task Handle(UpdateFacultyCommand request, CancellationToken cancellationToken)
    {
        var entity = await dbContext.Faculties.FirstOrDefaultAsync(f => f.Id == request.Id, cancellationToken: cancellationToken) ?? throw new NotFoundException(typeof(Domain.Schedule.Faculty), nameof(Domain.Schedule.Faculty.Id), request.Id);

        entity.CampusId = request.CampusId;

        await dbContext.SaveChangesAsync(cancellationToken);
    }
}