package com.sequenceiq.cloudbreak.controller.validation;

import static org.junit.Assert.assertTrue;

import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.validation.ConstraintTarget;
import javax.validation.ConstraintValidator;
import javax.validation.Payload;
import javax.validation.metadata.ConstraintDescriptor;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.runners.MockitoJUnitRunner;

import com.sequenceiq.cloudbreak.TestUtil;
import com.sequenceiq.cloudbreak.controller.BadRequestException;
import com.sequenceiq.cloudbreak.controller.validation.network.NetworkConfigurationValidator;

@RunWith(MockitoJUnitRunner.class)
public class NetworkConfigurationValidatorTest {

    @InjectMocks
    private NetworkConfigurationValidator underTest;

    @Test
    public void validNetworkRequestReturnTrue() {
        assertTrue(underTest.validateNetworkForStack(TestUtil.network(), TestUtil.generateGcpInstanceGroupsByNodeCount(1, 2, 3)));
    }

    @Test(expected = BadRequestException.class)
    public void inValidNetworkRequestReturnFalse() {
        underTest.validateNetworkForStack(TestUtil.network("10.0.0.1/32"), TestUtil.generateGcpInstanceGroupsByNodeCount(10000, 10000, 10000));
    }

    private class DummyAnnotation implements Annotation {

        @Override
        public boolean equals(Object obj) {
            return false;
        }

        @Override
        public int hashCode() {
            return 0;
        }

        @Override
        public String toString() {
            return "dummy";
        }

        @Override
        public Class<? extends Annotation> annotationType() {
            return getClass();
        }
    }

    private class DummyConstraintDescriptor implements ConstraintDescriptor<DummyAnnotation>, Serializable {

        @Override
        public DummyAnnotation getAnnotation() {
            return null;
        }

        @Override
        public String getMessageTemplate() {
            return "";
        }

        @Override
        public Set<Class<?>> getGroups() {
            return new HashSet<>();
        }

        @Override
        public Set<Class<? extends Payload>> getPayload() {
            return new HashSet<>();
        }

        @Override
        public ConstraintTarget getValidationAppliesTo() {
            return ConstraintTarget.PARAMETERS;
        }

        @Override
        public List<Class<? extends ConstraintValidator<DummyAnnotation, ?>>> getConstraintValidatorClasses() {
            return new ArrayList<>();
        }

        @Override
        public Map<String, Object> getAttributes() {
            return new HashMap<>();
        }

        @Override
        public Set<ConstraintDescriptor<?>> getComposingConstraints() {
            return new HashSet<>();
        }

        @Override
        public boolean isReportAsSingleViolation() {
            return false;
        }
    }
}