/*
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 *  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 java.lang.constant.Constable
import java.lang.constant.ConstantDesc

import grails.plugin.formfields.mock.Address
import grails.plugin.formfields.mock.Author
import grails.plugin.formfields.mock.Book
import grails.plugin.formfields.mock.Employee
import grails.plugin.formfields.mock.Gender
import grails.plugin.formfields.mock.Person
import org.spockframework.util.VersionNumber
import org.springframework.beans.NotReadablePropertyException
import spock.lang.IgnoreIf
import spock.lang.Issue
import spock.lang.Shared
import spock.lang.Unroll
import spock.util.environment.Jvm

@Unroll
class DomainClassPropertyAccessorSpec extends BuildsAccessorFactory {

    @Shared
    Address address
    @Shared
    Person person
    @Shared
    Employee employee
    @Shared
    Author author

    void setupSpec() {
        mockDomains(Person, Author, Book, Employee)
    }

    void setup() {
        address = new Address(street: "94 Evergreen Terrace", city: "Springfield", country: "USA")
        person = new Person(name: "Bart Simpson", password: "bartman", gender: Gender.Male, dateOfBirth: Date.parse('yyyy-MM-dd', '1987-04-19'), address: address)
        person.emails = [home: "bart@thesimpsons.net", school: "bart.simpson@springfieldelementary.edu"]
        person.save(failOnError: true)

        employee = new Employee(name: 'Homer J Simpson', password: 'mmmdonuts', gender: Gender.Male, address: address, salary: 120)
        employee.save(failOnError: true)

        author = new Author(name: "William Gibson")
        author.addToBooks new Book(title: "Pattern Recognition")
        author.addToBooks new Book(title: "Spook Country")
        author.addToBooks new Book(title: "Zero History")
        author.save(failOnError: true)
    }

    void "fails sensibly when given an invalid property path"() {
        when:
        factory.accessorFor(person, "invalid")

        then:
        thrown NotReadablePropertyException
    }

    void "resolves basic property"() {
        given:
        def propertyAccessor = factory.accessorFor(person, "name")

        expect:
        propertyAccessor.value == person.name
        propertyAccessor.rootBeanType == Person
        propertyAccessor.beanType == Person
        propertyAccessor.entity.javaClass == Person
        propertyAccessor.pathFromRoot == "name"
        propertyAccessor.propertyName == "name"
        propertyAccessor.propertyType == String
        propertyAccessor.domainProperty.name == "name"
    }

    void "resolves embedded property"() {
        given:
        def propertyAccessor = factory.accessorFor(person, "address.city")

        expect:
        propertyAccessor.value == address.city
        propertyAccessor.rootBeanType == Person
        propertyAccessor.beanType == Address
        propertyAccessor.entity == null // TODO: check if this is really the case when not mocked
        propertyAccessor.pathFromRoot == "address.city"
        propertyAccessor.propertyName == "city"
        propertyAccessor.propertyType == String
        propertyAccessor.domainProperty == null
    }

    void "resolves property of indexed association"() {
        given:
        def propertyAccessor = factory.accessorFor(author, "books[0].title")

        expect:
        propertyAccessor.value == "Pattern Recognition"
        propertyAccessor.rootBeanType == Author
        propertyAccessor.beanType == Book
        propertyAccessor.entity.javaClass == Book
        propertyAccessor.pathFromRoot == "books[0].title"
        propertyAccessor.propertyName == "title"
        propertyAccessor.propertyType == String
        propertyAccessor.domainProperty.name == "title"
    }

    void "resolves other side of many-to-one association"() {
        given:
        def propertyAccessor = factory.accessorFor(author.books[0], "author.name")

        expect:
        propertyAccessor.value == author.name
        propertyAccessor.rootBeanType == Book
        propertyAccessor.beanType == Author
        propertyAccessor.entity.javaClass == Author
        propertyAccessor.pathFromRoot == "author.name"
        propertyAccessor.propertyName == "name"
        propertyAccessor.propertyType == String
        propertyAccessor.domainProperty.name == "name"
    }

    void "resolves property of simple mapped association"() {
        given:
        def propertyAccessor = factory.accessorFor(person, "emails[home]")

        expect:
        propertyAccessor.value == "bart@thesimpsons.net"
        propertyAccessor.rootBeanType == Person
        propertyAccessor.beanType == Person
        propertyAccessor.pathFromRoot == "emails[home]"
        propertyAccessor.propertyName == "emails"
        propertyAccessor.propertyType == String
        propertyAccessor.domainProperty.name == "emails"
    }

    void "resolves basic property when value is null"() {
        given:
        person.name = null

        and:
        def propertyAccessor = factory.accessorFor(person, "name")

        expect:
        propertyAccessor.value == null
        propertyAccessor.pathFromRoot == "name"
        propertyAccessor.propertyName == "name"
        propertyAccessor.propertyType == String
        propertyAccessor.domainProperty.name == "name"
    }

    void "resolves embedded property when intervening path is null"() {
        given:
        person.address = null

        and:
        def propertyAccessor = factory.accessorFor(person, "address.city")

        expect:
        propertyAccessor.value == null
        propertyAccessor.pathFromRoot == "address.city"
        propertyAccessor.propertyName == "city"
        propertyAccessor.propertyType == String
        propertyAccessor.domainProperty == null
    }

	@Issue('https://github.com/grails/fields/issues/37')
    void "resolves constraints of the '#property' property when the intervening path is null"() {
        given:
        def book = new Book()

        and:
        def propertyAccessor = factory.accessorFor(book, property)

        expect:
        propertyAccessor.isRequired() || !isRequired
        propertyAccessor.constraints?.nullable || isRequired
        propertyAccessor.constraints?.blank || isRequired

        where:
        property              | isRequired
        'author.name'         | true
        'author.id'           | true
        'author.placeOfBirth' | false
    }

    void "resolves constraints of basic domain class property"() {
        given:
        def propertyAccessor = factory.accessorFor(person, "name")

        expect:
        !propertyAccessor.constraints.nullable
        !propertyAccessor.constraints.blank
    }

    void "type of '#property' is #type.name"() {
        given:
        def bean = beanType.list().first()
        def propertyAccessor = factory.accessorFor(bean, property)

        expect:
        propertyAccessor.propertyType == type

        where:
        beanType | property         | type
        Person   | "dateOfBirth"    | Date
        Person   | "address"        | Address
        Person   | "address.city"   | String
        Author   | "books"          | List
        Author   | "books[0]"       | Book
        Author   | "books[0].title" | String
    }

    void "resolves constraints of embedded property"() {
        given:
        def propertyAccessor = factory.accessorFor(person, "address.country")

        expect:
        !propertyAccessor.constraints.nullable
        propertyAccessor.constraints.inList == ["USA", "UK", "Canada"]
    }

	@Issue('https://github.com/grails/fields/issues/38')
    void "label keys for '#property' are '#labels'"() {
        given:
        def bean = beanType.list().find { it.class == beanType }
        def propertyAccessor = factory.accessorFor(bean, property)

        expect:
        propertyAccessor.labelKeys == labels

        where:
        beanType | property         | labels
        Person   | 'name'           | ['person.name.label']
        Person   | 'dateOfBirth'    | ['person.dateOfBirth.label']
        Person   | 'address'        | ['person.address.label']
        Person   | 'address.city'   | ['person.address.city.label', 'address.city.label']
        Author   | 'books[0].title' | ['author.books.title.label', 'book.title.label']
    }

	@Issue('https://github.com/grails/fields/issues/340')
	void "label keys for '#property' are '#labels' when addPathFromRoot == true"() {
		given:
		config.setAt('grails.plugin.fields.i18n.addPathFromRoot', true)
		def bean = beanType.list().find { it.class == beanType}
		def propertyAccessor = factory.accessorFor(bean, property)

		expect:
		propertyAccessor.labelKeys == labels

		where:
		beanType | property         | labels
		Person   | 'name'           | ['person.name.label', 'name.label']
		Person   | 'dateOfBirth'    | ['person.dateOfBirth.label', 'dateOfBirth.label']
		Person   | 'address'        | ['person.address.label', 'address.label']
		Person   | 'address.city'   | ['person.address.city.label', 'address.city.label']
		Author   | 'books[0].title' | ['author.books.title.label', 'books.title.label', 'book.title.label']
	}

    void "default label for '#property' is '#label'"() {
        given:
        def bean = beanType.list().first()
        def propertyAccessor = factory.accessorFor(bean, property)

        expect:
        propertyAccessor.defaultLabel == label

        where:
        beanType | property         | label
        Person   | "name"           | "Name"
        Person   | "dateOfBirth"    | "Date Of Birth"
        Person   | "address"        | "Address"
        Person   | "address.city"   | "City"
        Author   | "books[0].title" | "Title"
    }

    void "resolves errors for a basic property"() {
        given:
        person.name = ""

        and:
        def propertyAccessor = factory.accessorFor(person, "name")

        expect:
        !person.validate()

        and:
        propertyAccessor.errors.first().code == "blank"
        propertyAccessor.invalid
    }

    @Issue("http://jira.grails.org/browse/GRAILS-7713")
    void "resolves errors for an embedded property"() {
        given:
        person.address.country = "Australia"
        person.errors.rejectValue('address.country', 'not.inList') // http://jira.grails.org/browse/GRAILS-8480

        when:
        BeanPropertyAccessor propertyAccessor = factory.accessorFor(person, "address.country")

        then:
        propertyAccessor.errors.first().code == "not.inList"
        propertyAccessor.invalid
    }

    @Issue("http://jira.grails.org/browse/GRAILS-7713")
    void "resolves errors for an indexed property"() {
        given:
        author.books[0].title = ""
        author.errors.rejectValue('books[0].title', 'blank') // http://jira.grails.org/browse/GRAILS-7713

        and:
        def propertyAccessor = factory.accessorFor(author, "books[0].title")

        expect:
        propertyAccessor.errors.first().code == "blank"
        propertyAccessor.invalid
    }

    @Issue('https://github.com/grails/fields/issues/160')
    void "resolves transient property"() {
        given:
        def propertyAccessor = factory.accessorFor(person, "transientText")

        expect:
        propertyAccessor.value == person.transientText
        propertyAccessor.rootBeanType == Person
        propertyAccessor.beanType == Person
        propertyAccessor.entity.javaClass == Person
        propertyAccessor.pathFromRoot == "transientText"
        propertyAccessor.propertyName == "transientText"
        propertyAccessor.propertyType == String
        propertyAccessor.domainProperty == null
        propertyAccessor.constraints.nullable
    }

    @Issue('https://github.com/grails/fields/issues/160')
    void "resolves id property that has no constraints"() {
        given:
        def propertyAccessor = factory.accessorFor(person, "id")

        expect:
        propertyAccessor.value == person.id
        propertyAccessor.rootBeanType == Person
        propertyAccessor.beanType == Person
        propertyAccessor.entity.javaClass == Person
        propertyAccessor.pathFromRoot == "id"
        propertyAccessor.propertyName == "id"
        propertyAccessor.propertyType == Long
        propertyAccessor.domainProperty.name == "id"
        //propertyAccessor.constraints == null
    }

    void "the #path property is required:#expected"() {
        given:
        def propertyAccessor = factory.accessorFor(person, path)

        expect:
        propertyAccessor.required == expected

        where:
        path          | expected
        "name"        | true // non-blank string
        "dateOfBirth" | false // nullable object
        // Fails in Grails 2.4.3:
        // "password"    | false // blank string
        "gender"      | true // non-nullable string
        "minor"       | false // boolean properties are never considered required
    }

    def 'the superclasses of #type.simpleName are #expected'() {
        given:
        def propertyAccessor = factory.accessorFor(type.getConstructor().newInstance(), path)
        def beanSuperClasses = propertyAccessor.beanSuperclasses
                .findAll {
                    it.simpleName != 'DirtyCheckable' &&
                            it.simpleName != 'DomainClass' &&
                            it.simpleName != 'WebDataBinding' &&
                            it.simpleName != 'GormEntity' &&
                            it.simpleName != 'GormValidateable' &&
                            it.simpleName != 'GormEntityApi' &&
                            it.simpleName != 'Entity' &&
                            !it.simpleName.contains('$') &&
                            it.simpleName != 'StaticQueryMethods'
                }

        expect:
        beanSuperClasses == expected

        where:
        type     | path   | expected
        Person   | 'name' | []
        Employee | 'name' | [Person]
    }

    void 'the superclasses of Person.#path are #expected JDK17+'() {
        given:
        def propertyAccessor = factory.accessorFor(person, path)

        expect:
        propertyAccessor.propertyTypeSuperclasses == expected

        where:
        path          | expected
        'name'        | [CharSequence, Constable, ConstantDesc]
        'gender'      | [Enum, Constable]
        'dateOfBirth' | []
    }


    void 'the superclasses of a primitive include the superclasses of the wrapper'() {
        given:
        def propertyAccessor = factory.accessorFor(employee, 'salary')

        expect:
        propertyAccessor.propertyTypeSuperclasses == [Number]
    }

}
