package de.ph87.tools.user.uuid;

import jakarta.servlet.http.HttpServletRequest;
import lombok.NonNull;
import lombok.SneakyThrows;
import org.springframework.core.MethodParameter;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

import java.io.IOException;

@Component
public class UserPublicUuidArgumentResolver implements HandlerMethodArgumentResolver {

  @Override
  public boolean supportsParameter(@NonNull final MethodParameter parameter) {
    return parameter.getParameterType() == UserPublicUuid.class;
  }

  @Override
  @SneakyThrows(IOException.class)
  public UserPublicUuid resolveArgument(@NonNull final MethodParameter parameter, final ModelAndViewContainer mavContainer, @NonNull final NativeWebRequest webRequest, final WebDataBinderFactory binderFactory) {
    if (!(webRequest.getNativeRequest() instanceof final HttpServletRequest request)) {
      throw new RuntimeException();
    }
    final String uuid = new String(request.getInputStream().readAllBytes());
    return new UserPublicUuid(uuid);
  }

}