/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdc.be.tosca;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import fj.data.Either;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.MockitoAnnotations;
import org.openecomp.sdc.be.components.utils.PropertyDataDefinitionBuilder;
import org.openecomp.sdc.be.datatypes.elements.SchemaDefinition;
import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
import org.openecomp.sdc.be.model.DataTypeDefinition;
import org.openecomp.sdc.be.model.PropertyConstraint;
import org.openecomp.sdc.be.model.PropertyDefinition;
import org.openecomp.sdc.be.model.Resource;
import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
import org.openecomp.sdc.be.model.tosca.constraints.EqualConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.GreaterOrEqualConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.GreaterThanConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.InRangeConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.LengthConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.LessOrEqualConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.LessThanConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.MaxLengthConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.MinLengthConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.PatternConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.ValidValuesConstraint;
import org.openecomp.sdc.be.tosca.PropertyConvertor.PropertyType;
import org.openecomp.sdc.be.tosca.model.ToscaNodeType;
import org.openecomp.sdc.be.tosca.model.ToscaProperty;
import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraint;

class PropertyConvertorTest {

    private PropertyDefinition property;
    private Map<String, DataTypeDefinition> dataTypes;

    @InjectMocks
    private PropertyConvertor propertyConvertor;

    @BeforeEach
    public void setUp() {
        MockitoAnnotations.openMocks(this);
        property = new PropertyDefinition();
        property.setName("myProperty");
        property.setType(ToscaPropertyType.INTEGER.getType());
        dataTypes = new HashMap<>();
        dataTypes.put(property.getName(), new DataTypeDefinition());
    }

    @Test
    void testConvertProperty() {
        SchemaDefinition schema = new SchemaDefinition();
        schema.setProperty(property);
        property.setSchema(schema);

        assertNotNull(propertyConvertor.convertProperty(dataTypes, property, PropertyType.PROPERTY));
    }

    @Test
    void testConvertPropertyWithEqualConstraint() {
        assertTrue(testConstraints(new EqualConstraint(123), ConstraintType.EQUAL, true));
    }

    @Test
    void testConvertPropertyWithGreaterOrEqualConstraint() {
        assertTrue(testConstraints(new GreaterOrEqualConstraint<>(123), ConstraintType.GREATER_OR_EQUAL, true));
    }

    @Test
    void testConvertPropertyWithGreaterThanConstraint() {
        assertTrue(testConstraints(new GreaterThanConstraint<>(123), ConstraintType.GREATER_THAN, true));
    }

    @Test
    void testConvertPropertyWithLessOrEqualConstraint() {
        assertTrue(testConstraints(new LessOrEqualConstraint<>(123), ConstraintType.LESS_OR_EQUAL, true));
    }

    @Test
    void testConvertPropertyWithLessThanConstraint() {
        assertTrue(testConstraints(new LessThanConstraint<>(123), ConstraintType.LESS_THAN, true));
    }

    @Test
    void testConvertPropertyWithInRangeConstraint() {
        assertTrue(testConstraints(new InRangeConstraint(Arrays.asList(123, 345)), ConstraintType.IN_RANGE, false));
    }

    @Test
    void testConvertPropertyWithValidValuesConstraint() {
        assertTrue(testConstraints(new ValidValuesConstraint(Arrays.asList(123, 345)), ConstraintType.VALID_VALUES, false));
    }

    @Test
    void testConvertPropertyWithLengthConstraint() {
        assertTrue(testConstraints(new LengthConstraint(), ConstraintType.LENGTH, false));
    }

    @Test
    void testConvertPropertyWithMaxLengthConstraint() {
        assertTrue(testConstraints(new MaxLengthConstraint(12), ConstraintType.MAX_LENGTH, false));
    }

    @Test
    void testConvertPropertyWithMinLengthConstraint() {
        assertTrue(testConstraints(new MinLengthConstraint(1), ConstraintType.MIN_LENGTH, false));
    }

    @Test
    void testConvertPropertyWithPatternConstraint() {
        assertTrue(testConstraints(new PatternConstraint("[a-z]"), ConstraintType.PATTERN, false));
    }

    @Test
    void convertPropertyWhenValueAndDefaultNull() {
        ToscaProperty prop = propertyConvertor.convertProperty(dataTypes, property, PropertyConvertor.PropertyType.PROPERTY);
        assertNotNull(prop);
        assertNull(prop.getDefaultp());
    }

    @Test
    void convertPropertyWhenValueNullAndDefaultNotEmpty() {
        final String def = "1";
        property.setDefaultValue(def);
        ToscaProperty result = propertyConvertor.convertProperty(dataTypes, property, PropertyConvertor.PropertyType.PROPERTY);
        assertNotNull(result);
        assertEquals(Integer.valueOf(def), result.getDefaultp());
    }

    @Test
    void convertPropertyWithMetadata() {
        Map<String, String> metadata = new HashMap<>();
        metadata.put("key1", "value");
        property.setMetadata(metadata);
        ToscaProperty result = propertyConvertor.convertProperty(dataTypes, property, PropertyConvertor.PropertyType.PROPERTY);
        assertNotNull(result);
        assertEquals(metadata, result.getMetadata());
    }

    @Test
    void convertPropertiesWhenValueAndDefaultNullInOne() {
        PropertyDefinition property1 = new PropertyDefinition();
        property1.setName("otherProperty");
        property1.setType(ToscaPropertyType.INTEGER.getType());
        property1.setDefaultValue("2");
        dataTypes.put(property1.getName(), new DataTypeDefinition());
        Resource resource = new Resource();
        List<PropertyDefinition> properties = new ArrayList<>();
        properties.add(property);
        properties.add(property1);
        resource.setProperties(properties);
        Either<ToscaNodeType, ToscaError> result = propertyConvertor.convertProperties(resource, new ToscaNodeType(), dataTypes);
        assertTrue(result.isLeft());
        assertEquals(2, result.left().value().getProperties().size());
        int cnt = 0;
        for (ToscaProperty prop : result.left().value().getProperties().values()) {
            if (prop.getDefaultp() == null) {
                cnt++;
            }
        }
        assertEquals(1, cnt);
    }

    @Test
    void convertPropertiesWhenValueAndDefaultExist() {
        PropertyDefinition property1 = new PropertyDefinition();
        property1.setName("otherProperty");
        property1.setType(ToscaPropertyType.INTEGER.getType());
        property1.setDefaultValue("2");
        property.setDefaultValue("1");
        dataTypes.put(property1.getName(), new DataTypeDefinition());
        Resource resource = new Resource();
        List<PropertyDefinition> properties = new ArrayList<>();
        properties.add(property);
        properties.add(property1);
        resource.setProperties(properties);
        Either<ToscaNodeType, ToscaError> result = propertyConvertor.convertProperties(resource, new ToscaNodeType(), dataTypes);
        assertTrue(result.isLeft());
        assertEquals(2, result.left().value().getProperties().size());
        for (ToscaProperty prop : result.left().value().getProperties().values()) {
            assertNotNull(prop.getDefaultp());
        }
    }

    @Test
    void convertPropertiesWhenValueAndDefaultNullInAll() {
        PropertyDefinition property1 = new PropertyDefinition();
        property1.setName("otherProperty");
        property1.setType(ToscaPropertyType.INTEGER.getType());
        dataTypes.put(property1.getName(), new DataTypeDefinition());
        Resource resource = new Resource();
        List<PropertyDefinition> properties = new ArrayList<>();
        properties.add(property);
        properties.add(property1);
        resource.setProperties(properties);
        Either<ToscaNodeType, ToscaError> result = propertyConvertor.convertProperties(resource, new ToscaNodeType(), dataTypes);
        assertTrue(result.isLeft());
        assertEquals(2, result.left().value().getProperties().size());
        for (ToscaProperty prop : result.left().value().getProperties().values()) {
            assertNull(prop.getDefaultp());
        }
    }

    @Test
    void convertPropertyWhichStartsWithSemiColon() {
        final PropertyDefinition property = new PropertyDataDefinitionBuilder()
            .setDefaultValue("::")
            .setType(ToscaPropertyType.STRING.getType())
            .build();
        final ToscaProperty toscaProperty =
            propertyConvertor.convertProperty(Collections.emptyMap(), property, PropertyConvertor.PropertyType.PROPERTY);
        assertEquals("::", toscaProperty.getDefaultp());
    }

    @Test
    void convertPropertyWhichStartsWithSlash() {
        final PropertyDefinition property = new PropertyDataDefinitionBuilder()
            .setDefaultValue("/")
            .setType(ToscaPropertyType.STRING.getType())
            .build();
        final ToscaProperty toscaProperty =
            propertyConvertor.convertProperty(Collections.emptyMap(), property, PropertyConvertor.PropertyType.PROPERTY);
        assertEquals("/", toscaProperty.getDefaultp());
    }

    @Test
    void convertPropertyWithYamlValue() {
        final PropertyDefinition property = new PropertyDataDefinitionBuilder()
            .setDefaultValue("{concat: [ get_input: service_name, '--', 'WirelessService']}")
            .setType(ToscaPropertyType.STRING.getType())
            .build();
        final ToscaProperty toscaProperty =
            propertyConvertor.convertProperty(Collections.emptyMap(), property, PropertyConvertor.PropertyType.PROPERTY);
        assertTrue(toscaProperty.getDefaultp() instanceof Map);
        assertTrue(((Map) toscaProperty.getDefaultp()).get("concat") instanceof List);
        assertEquals(3, ((List) ((Map) toscaProperty.getDefaultp()).get("concat")).size());
    }

    private boolean testConstraints(PropertyConstraint propertyConstraint, ConstraintType constraintType, boolean checkComparable) {
        property.setConstraints(Collections.singletonList(propertyConstraint));

        ToscaProperty toscaProperty = propertyConvertor.convertProperty(dataTypes, property, PropertyType.PROPERTY);
        assertNotNull(toscaProperty);
        List<ToscaPropertyConstraint> constraints = toscaProperty.getConstraints();
        assertNotNull(constraints);
        ToscaPropertyConstraint constraint = constraints.get(0);
        assertNotNull(constraint);
        ConstraintType actualConstraintType = constraint.getConstraintType();
        assertEquals(constraintType, actualConstraintType);
        if (checkComparable) {
            assertTrue(actualConstraintType.isComparable());
        }
        return true;
    }

}