//

// ExampleModel.swift

// Example

//

// Programmatic Core Data model definition

//

import Foundation

import CoreData

extension NSPersistentContainer {

convenience init(name: String) {

let model = NSManagedObjectModel()

// Person Entity

let personEntity = NSEntityDescription()

personEntity.name = "Person"

personEntity.managedObjectClassName = NSStringFromClass(NSManagedObject.self)

let nameAttribute = NSAttributeDescription()

nameAttribute.name = "name"

nameAttribute.attributeType = .stringAttributeType

nameAttribute.isOptional = false

let ageAttribute = NSAttributeDescription()

ageAttribute.name = "age"

ageAttribute.attributeType = .integer32AttributeType

ageAttribute.isOptional = false

let birthDateAttribute = NSAttributeDescription()

birthDateAttribute.name = "birthDate"

birthDateAttribute.attributeType = .dateAttributeType

birthDateAttribute.isOptional = true

let isActiveAttribute = NSAttributeDescription()

isActiveAttribute.name = "isActive"

isActiveAttribute.attributeType = .booleanAttributeType

isActiveAttribute.isOptional = false

isActiveAttribute.defaultValue = true

personEntity.properties = [nameAttribute, ageAttribute, birthDateAttribute, isActiveAttribute]

// Address Entity

let addressEntity = NSEntityDescription()

addressEntity.name = "Address"

addressEntity.managedObjectClassName = NSStringFromClass(NSManagedObject.self)

let streetAttribute = NSAttributeDescription()

streetAttribute.name = "street"

streetAttribute.attributeType = .stringAttributeType

streetAttribute.isOptional = false

let cityAttribute = NSAttributeDescription()

cityAttribute.name = "city"

cityAttribute.attributeType = .stringAttributeType

cityAttribute.isOptional = false

let zipCodeAttribute = NSAttributeDescription()

zipCodeAttribute.name = "zipCode"

zipCodeAttribute.attributeType = .stringAttributeType

zipCodeAttribute.isOptional = true

addressEntity.properties = [streetAttribute, cityAttribute, zipCodeAttribute]

// Task Entity

let taskEntity = NSEntityDescription()

taskEntity.name = "Task"

taskEntity.managedObjectClassName = NSStringFromClass(NSManagedObject.self)

let titleAttribute = NSAttributeDescription()

titleAttribute.name = "title"

titleAttribute.attributeType = .stringAttributeType

titleAttribute.isOptional = false

let taskDescriptionAttribute = NSAttributeDescription()

taskDescriptionAttribute.name = "taskDescription"

taskDescriptionAttribute.attributeType = .stringAttributeType

taskDescriptionAttribute.isOptional = true

let isCompletedAttribute = NSAttributeDescription()

isCompletedAttribute.name = "isCompleted"

isCompletedAttribute.attributeType = .booleanAttributeType

isCompletedAttribute.isOptional = false

isCompletedAttribute.defaultValue = false

let createdAtAttribute = NSAttributeDescription()

createdAtAttribute.name = "createdAt"

createdAtAttribute.attributeType = .dateAttributeType

createdAtAttribute.isOptional = false

taskEntity.properties = [titleAttribute, taskDescriptionAttribute, isCompletedAttribute, createdAtAttribute]

// Relationships

let personAddressRelationship = NSRelationshipDescription()

personAddressRelationship.name = "address"

personAddressRelationship.destinationEntity = addressEntity

personAddressRelationship.minCount = 0

personAddressRelationship.maxCount = 1

personAddressRelationship.deleteRule = .cascadeDeleteRule

let addressPersonRelationship = NSRelationshipDescription()

addressPersonRelationship.name = "person"

addressPersonRelationship.destinationEntity = personEntity

addressPersonRelationship.minCount = 0

addressPersonRelationship.maxCount = 1

addressPersonRelationship.deleteRule = .nullifyDeleteRule

personAddressRelationship.inverseRelationship = addressPersonRelationship

addressPersonRelationship.inverseRelationship = personAddressRelationship

personEntity.properties.append(personAddressRelationship)

addressEntity.properties.append(addressPersonRelationship)

let personTasksRelationship = NSRelationshipDescription()

personTasksRelationship.name = "tasks"

personTasksRelationship.destinationEntity = taskEntity

personTasksRelationship.minCount = 0

personTasksRelationship.maxCount = 0

personTasksRelationship.deleteRule = .cascadeDeleteRule

let taskPersonRelationship = NSRelationshipDescription()

taskPersonRelationship.name = "person"

taskPersonRelationship.destinationEntity = personEntity

taskPersonRelationship.minCount = 0

taskPersonRelationship.maxCount = 1

taskPersonRelationship.deleteRule = .nullifyDeleteRule

personTasksRelationship.inverseRelationship = taskPersonRelationship

taskPersonRelationship.inverseRelationship = personTasksRelationship

personEntity.properties.append(personTasksRelationship)

taskEntity.properties.append(taskPersonRelationship)

model.entities = [personEntity, addressEntity, taskEntity]

self.init(name: name, managedObjectModel: model)

}