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.Professor.Queries.GetProfessorDetails;

public class GetProfessorInfoQueryHandler(IProfessorDbContext dbContext) : IRequestHandler<GetProfessorInfoQuery, ProfessorInfoVm>
{
    public async Task<ProfessorInfoVm> Handle(GetProfessorInfoQuery request, CancellationToken cancellationToken)
    {
        var discipline = await dbContext.Professors.FirstOrDefaultAsync(p => p.Id == request.Id, cancellationToken) ?? throw new NotFoundException(typeof(Domain.Schedule.Professor), request.Id);

        return new ProfessorInfoVm()
        {
            Id = discipline.Id,
            Name = discipline.Name,
        };
    }
}