using MediatR;
using Modules.User.Application.Gateways;

namespace Modules.User.Application.Commands.Session;

public class DeleteCurrentSessionCommand : IRequest<bool>
{
}

public class DeleteCurrentSessionCommandHandler(UserContext userContext, IUserRepository userRepository,
    IUnitOfWork unitOfWork) : IRequestHandler<DeleteCurrentSessionCommand, bool>
{
    public async Task<bool> Handle(DeleteCurrentSessionCommand request, CancellationToken cancellationToken)
    {
        var accountId = userContext.GetAccountId();
        if (!accountId.HasValue) return false;
        //TODO: if (!accountId.HasValue) throw new UnauthorizedAccessException("AccountId not found");

        var user = await userRepository.GetByAccountIdAsync(accountId.Value, cancellationToken);
        if (user == null) return false;
        //TODO: if (user == null) throw new UserNotFoundException(); //"User not found"
        var sessionId = userContext.GetSessionId();
        if (!sessionId.HasValue) return false;
        //TODO: if (!sessionId.HasValue) throw new Exception("Active session not found");
        var success = user.DeleteSession(sessionId.Value);
        if (!success) return false;
        //TODO: if (!success) throw new Exception("Session not found");
        
        await userRepository.SaveAsync(user, cancellationToken);
        await unitOfWork.SaveChangesAsync(cancellationToken);

        return true;
    }
}