<?php

namespace Microsoft\Graph\Generated\Models;

use DateTime;
use Microsoft\Kiota\Abstractions\Serialization\Parsable;
use Microsoft\Kiota\Abstractions\Serialization\ParseNode;
use Microsoft\Kiota\Abstractions\Serialization\SerializationWriter;

class OnenoteEntityHierarchyModel extends OnenoteEntitySchemaObjectModel implements Parsable 
{
    /**
     * Instantiates a new OnenoteEntityHierarchyModel and sets the default values.
    */
    public function __construct() {
        parent::__construct();
        $this->setOdataType('#microsoft.graph.onenoteEntityHierarchyModel');
    }

    /**
     * Creates a new instance of the appropriate class based on discriminator value
     * @param ParseNode $parseNode The parse node to use to read the discriminator value and create the object
     * @return OnenoteEntityHierarchyModel
    */
    public static function createFromDiscriminatorValue(ParseNode $parseNode): OnenoteEntityHierarchyModel {
        $mappingValueNode = $parseNode->getChildNode("@odata.type");
        if ($mappingValueNode !== null) {
            $mappingValue = $mappingValueNode->getStringValue();
            switch ($mappingValue) {
                case '#microsoft.graph.notebook': return new Notebook();
                case '#microsoft.graph.onenoteSection': return new OnenoteSection();
                case '#microsoft.graph.sectionGroup': return new SectionGroup();
            }
        }
        return new OnenoteEntityHierarchyModel();
    }

    /**
     * Gets the createdBy property value. Identity of the user, device, and application that created the item. Read-only.
     * @return IdentitySet|null
    */
    public function getCreatedBy(): ?IdentitySet {
        $val = $this->getBackingStore()->get('createdBy');
        if (is_null($val) || $val instanceof IdentitySet) {
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'createdBy'");
    }

    /**
     * Gets the displayName property value. The name of the notebook.
     * @return string|null
    */
    public function getDisplayName(): ?string {
        $val = $this->getBackingStore()->get('displayName');
        if (is_null($val) || is_string($val)) {
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'displayName'");
    }

    /**
     * The deserialization information for the current model
     * @return array<string, callable(ParseNode): void>
    */
    public function getFieldDeserializers(): array {
        $o = $this;
        return array_merge(parent::getFieldDeserializers(), [
            'createdBy' => fn(ParseNode $n) => $o->setCreatedBy($n->getObjectValue([IdentitySet::class, 'createFromDiscriminatorValue'])),
            'displayName' => fn(ParseNode $n) => $o->setDisplayName($n->getStringValue()),
            'lastModifiedBy' => fn(ParseNode $n) => $o->setLastModifiedBy($n->getObjectValue([IdentitySet::class, 'createFromDiscriminatorValue'])),
            'lastModifiedDateTime' => fn(ParseNode $n) => $o->setLastModifiedDateTime($n->getDateTimeValue()),
        ]);
    }

    /**
     * Gets the lastModifiedBy property value. Identity of the user, device, and application that created the item. Read-only.
     * @return IdentitySet|null
    */
    public function getLastModifiedBy(): ?IdentitySet {
        $val = $this->getBackingStore()->get('lastModifiedBy');
        if (is_null($val) || $val instanceof IdentitySet) {
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'lastModifiedBy'");
    }

    /**
     * Gets the lastModifiedDateTime property value. The date and time when the notebook was last modified. The timestamp represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z. Read-only.
     * @return DateTime|null
    */
    public function getLastModifiedDateTime(): ?DateTime {
        $val = $this->getBackingStore()->get('lastModifiedDateTime');
        if (is_null($val) || $val instanceof DateTime) {
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'lastModifiedDateTime'");
    }

    /**
     * Serializes information the current object
     * @param SerializationWriter $writer Serialization writer to use to serialize this model
    */
    public function serialize(SerializationWriter $writer): void {
        parent::serialize($writer);
        $writer->writeObjectValue('createdBy', $this->getCreatedBy());
        $writer->writeStringValue('displayName', $this->getDisplayName());
        $writer->writeObjectValue('lastModifiedBy', $this->getLastModifiedBy());
        $writer->writeDateTimeValue('lastModifiedDateTime', $this->getLastModifiedDateTime());
    }

    /**
     * Sets the createdBy property value. Identity of the user, device, and application that created the item. Read-only.
     * @param IdentitySet|null $value Value to set for the createdBy property.
    */
    public function setCreatedBy(?IdentitySet $value): void {
        $this->getBackingStore()->set('createdBy', $value);
    }

    /**
     * Sets the displayName property value. The name of the notebook.
     * @param string|null $value Value to set for the displayName property.
    */
    public function setDisplayName(?string $value): void {
        $this->getBackingStore()->set('displayName', $value);
    }

    /**
     * Sets the lastModifiedBy property value. Identity of the user, device, and application that created the item. Read-only.
     * @param IdentitySet|null $value Value to set for the lastModifiedBy property.
    */
    public function setLastModifiedBy(?IdentitySet $value): void {
        $this->getBackingStore()->set('lastModifiedBy', $value);
    }

    /**
     * Sets the lastModifiedDateTime property value. The date and time when the notebook was last modified. The timestamp represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z. Read-only.
     * @param DateTime|null $value Value to set for the lastModifiedDateTime property.
    */
    public function setLastModifiedDateTime(?DateTime $value): void {
        $this->getBackingStore()->set('lastModifiedDateTime', $value);
    }

}