/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
 *
 *    https://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.
 */

package grails.plugin.formfields

import groovy.transform.Canonical
import groovy.transform.CompileStatic
import groovy.transform.ToString

import org.springframework.context.support.StaticMessageSource
import org.springframework.validation.FieldError

import grails.gorm.validation.DefaultConstrainedProperty
import grails.util.GrailsNameUtils
import org.grails.datastore.gorm.validation.constraints.registry.DefaultConstraintRegistry
import org.grails.datastore.mapping.model.PersistentEntity
import org.grails.datastore.mapping.model.PersistentProperty
import org.grails.scaffolding.model.property.Constrained

import static grails.plugin.formfields.BeanPropertyAccessorFactory.stripIndex
import static grails.util.GrailsStringUtils.substringAfterLast
import static java.util.Collections.EMPTY_LIST

@CompileStatic
@Canonical
@ToString(includes = ['beanType', 'propertyName', 'propertyType'])
class PropertyPathAccessor implements BeanPropertyAccessor {

    final String pathFromRoot
    final String propertyName = stripIndex(pathFromRoot.contains('.') ? substringAfterLast(pathFromRoot, '.') : pathFromRoot)
    final Class beanType = null
    final Class propertyType = Object

    PropertyPathAccessor(String pathFromRoot) {
        this.pathFromRoot = pathFromRoot
    }

    String getDefaultLabel() {
        GrailsNameUtils.getNaturalName(propertyName)
    }

    Object getRootBean() { null }

    Class getRootBeanType() { null }

    PersistentEntity getEntity() { null }

    List<Class> getBeanSuperclasses() { EMPTY_LIST }

    List<Class> getPropertyTypeSuperclasses() { EMPTY_LIST }

    Object getValue() { null }

    Constrained getConstraints() {
        new Constrained(new DefaultConstrainedProperty(Object, propertyName, String, new DefaultConstraintRegistry(new StaticMessageSource())))
    }

    PersistentProperty getDomainProperty() { null }

    List<String> getLabelKeys() { EMPTY_LIST }

    List<FieldError> getErrors() { EMPTY_LIST }

    boolean isRequired() { false }

    boolean isInvalid() { false }
}
