<?php

namespace Microsoft\Graph\Generated\Models;

use Microsoft\Kiota\Abstractions\Serialization\AdditionalDataHolder;
use Microsoft\Kiota\Abstractions\Serialization\Parsable;
use Microsoft\Kiota\Abstractions\Serialization\ParseNode;
use Microsoft\Kiota\Abstractions\Serialization\SerializationWriter;
use Microsoft\Kiota\Abstractions\Store\BackedModel;
use Microsoft\Kiota\Abstractions\Store\BackingStore;
use Microsoft\Kiota\Abstractions\Store\BackingStoreFactorySingleton;
use Microsoft\Kiota\Abstractions\Types\Date;

class EducationTerm implements AdditionalDataHolder, BackedModel, Parsable 
{
    /**
     * @var BackingStore $backingStore Stores model information.
    */
    private BackingStore $backingStore;
    
    /**
     * Instantiates a new EducationTerm and sets the default values.
    */
    public function __construct() {
        $this->backingStore = BackingStoreFactorySingleton::getInstance()->createBackingStore();
        $this->setAdditionalData([]);
    }

    /**
     * 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 EducationTerm
    */
    public static function createFromDiscriminatorValue(ParseNode $parseNode): EducationTerm {
        return new EducationTerm();
    }

    /**
     * Gets the AdditionalData property value. Stores additional data not described in the OpenAPI description found when deserializing. Can be used for serialization as well.
     * @return array<string, mixed>|null
    */
    public function getAdditionalData(): ?array {
        $val = $this->getBackingStore()->get('additionalData');
        if (is_null($val) || is_array($val)) {
            /** @var array<string, mixed>|null $val */
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'additionalData'");
    }

    /**
     * Gets the BackingStore property value. Stores model information.
     * @return BackingStore
    */
    public function getBackingStore(): BackingStore {
        return $this->backingStore;
    }

    /**
     * Gets the displayName property value. Display name of the term.
     * @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'");
    }

    /**
     * Gets the endDate property value. End of the term.
     * @return Date|null
    */
    public function getEndDate(): ?Date {
        $val = $this->getBackingStore()->get('endDate');
        if (is_null($val) || $val instanceof Date) {
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'endDate'");
    }

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

    /**
     * The deserialization information for the current model
     * @return array<string, callable(ParseNode): void>
    */
    public function getFieldDeserializers(): array {
        $o = $this;
        return  [
            'displayName' => fn(ParseNode $n) => $o->setDisplayName($n->getStringValue()),
            'endDate' => fn(ParseNode $n) => $o->setEndDate($n->getDateValue()),
            'externalId' => fn(ParseNode $n) => $o->setExternalId($n->getStringValue()),
            '@odata.type' => fn(ParseNode $n) => $o->setOdataType($n->getStringValue()),
            'startDate' => fn(ParseNode $n) => $o->setStartDate($n->getDateValue()),
        ];
    }

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

    /**
     * Gets the startDate property value. Start of the term.
     * @return Date|null
    */
    public function getStartDate(): ?Date {
        $val = $this->getBackingStore()->get('startDate');
        if (is_null($val) || $val instanceof Date) {
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'startDate'");
    }

    /**
     * Serializes information the current object
     * @param SerializationWriter $writer Serialization writer to use to serialize this model
    */
    public function serialize(SerializationWriter $writer): void {
        $writer->writeStringValue('displayName', $this->getDisplayName());
        $writer->writeDateValue('endDate', $this->getEndDate());
        $writer->writeStringValue('externalId', $this->getExternalId());
        $writer->writeStringValue('@odata.type', $this->getOdataType());
        $writer->writeDateValue('startDate', $this->getStartDate());
        $writer->writeAdditionalData($this->getAdditionalData());
    }

    /**
     * Sets the AdditionalData property value. Stores additional data not described in the OpenAPI description found when deserializing. Can be used for serialization as well.
     * @param array<string,mixed> $value Value to set for the AdditionalData property.
    */
    public function setAdditionalData(?array $value): void {
        $this->getBackingStore()->set('additionalData', $value);
    }

    /**
     * Sets the BackingStore property value. Stores model information.
     * @param BackingStore $value Value to set for the BackingStore property.
    */
    public function setBackingStore(BackingStore $value): void {
        $this->backingStore = $value;
    }

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

    /**
     * Sets the endDate property value. End of the term.
     * @param Date|null $value Value to set for the endDate property.
    */
    public function setEndDate(?Date $value): void {
        $this->getBackingStore()->set('endDate', $value);
    }

    /**
     * Sets the externalId property value. ID of term in the syncing system.
     * @param string|null $value Value to set for the externalId property.
    */
    public function setExternalId(?string $value): void {
        $this->getBackingStore()->set('externalId', $value);
    }

    /**
     * Sets the @odata.type property value. The OdataType property
     * @param string|null $value Value to set for the @odata.type property.
    */
    public function setOdataType(?string $value): void {
        $this->getBackingStore()->set('odataType', $value);
    }

    /**
     * Sets the startDate property value. Start of the term.
     * @param Date|null $value Value to set for the startDate property.
    */
    public function setStartDate(?Date $value): void {
        $this->getBackingStore()->set('startDate', $value);
    }

}