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.Campus.Commands.UpdateCampus;

public class UpdateCampusCommandHandler(ICampusDbContext dbContext) : IRequestHandler<UpdateCampusCommand>
{
    public async Task Handle(UpdateCampusCommand request, CancellationToken cancellationToken)
    {
        var entity = await dbContext.Campuses.FirstOrDefaultAsync(c => c.Id == request.Id, cancellationToken: cancellationToken) ?? throw new NotFoundException(typeof(Domain.Schedule.Campus), nameof(Domain.Schedule.Campus.Id), request.Id);

        if (!string.IsNullOrEmpty(request.FullName))
            entity.FullName = request.FullName;
        if (!string.IsNullOrEmpty(request.Address))
            entity.Address = request.Address;

        await dbContext.SaveChangesAsync(cancellationToken);
    }
}