<?php

namespace Microsoft\Graph\Generated\Models;

use DateTime;
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\TypeUtils;

class UploadSession implements AdditionalDataHolder, BackedModel, Parsable 
{
    /**
     * @var BackingStore $backingStore Stores model information.
    */
    private BackingStore $backingStore;
    
    /**
     * Instantiates a new UploadSession 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 UploadSession
    */
    public static function createFromDiscriminatorValue(ParseNode $parseNode): UploadSession {
        return new UploadSession();
    }

    /**
     * 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 expirationDateTime property value. The date and time in UTC that the upload session expires. The complete file must be uploaded before this expiration time is reached. Each fragment uploaded during the session extends the expiration time.
     * @return DateTime|null
    */
    public function getExpirationDateTime(): ?DateTime {
        $val = $this->getBackingStore()->get('expirationDateTime');
        if (is_null($val) || $val instanceof DateTime) {
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'expirationDateTime'");
    }

    /**
     * The deserialization information for the current model
     * @return array<string, callable(ParseNode): void>
    */
    public function getFieldDeserializers(): array {
        $o = $this;
        return  [
            'expirationDateTime' => fn(ParseNode $n) => $o->setExpirationDateTime($n->getDateTimeValue()),
            'nextExpectedRanges' => function (ParseNode $n) {
                $val = $n->getCollectionOfPrimitiveValues();
                if (is_array($val)) {
                    TypeUtils::validateCollectionValues($val, 'string');
                }
                /** @var array<string>|null $val */
                $this->setNextExpectedRanges($val);
            },
            '@odata.type' => fn(ParseNode $n) => $o->setOdataType($n->getStringValue()),
            'uploadUrl' => fn(ParseNode $n) => $o->setUploadUrl($n->getStringValue()),
        ];
    }

    /**
     * Gets the nextExpectedRanges property value. A collection of byte ranges that the server is missing for the file. These ranges are zero indexed and of the format 'start-end' (for example '0-26' to indicate the first 27 bytes of the file). When uploading files as Outlook attachments, instead of a collection of ranges, this property always indicates a single value '{start}', the location in the file where the next upload should begin.
     * @return array<string>|null
    */
    public function getNextExpectedRanges(): ?array {
        $val = $this->getBackingStore()->get('nextExpectedRanges');
        if (is_array($val) || is_null($val)) {
            TypeUtils::validateCollectionValues($val, 'string');
            /** @var array<string>|null $val */
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'nextExpectedRanges'");
    }

    /**
     * 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 uploadUrl property value. The URL endpoint that accepts PUT requests for byte ranges of the file.
     * @return string|null
    */
    public function getUploadUrl(): ?string {
        $val = $this->getBackingStore()->get('uploadUrl');
        if (is_null($val) || is_string($val)) {
            return $val;
        }
        throw new \UnexpectedValueException("Invalid type found in backing store for 'uploadUrl'");
    }

    /**
     * Serializes information the current object
     * @param SerializationWriter $writer Serialization writer to use to serialize this model
    */
    public function serialize(SerializationWriter $writer): void {
        $writer->writeDateTimeValue('expirationDateTime', $this->getExpirationDateTime());
        $writer->writeCollectionOfPrimitiveValues('nextExpectedRanges', $this->getNextExpectedRanges());
        $writer->writeStringValue('@odata.type', $this->getOdataType());
        $writer->writeStringValue('uploadUrl', $this->getUploadUrl());
        $writer->writeAdditionalData($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 expirationDateTime property value. The date and time in UTC that the upload session expires. The complete file must be uploaded before this expiration time is reached. Each fragment uploaded during the session extends the expiration time.
     * @param DateTime|null $value Value to set for the expirationDateTime property.
    */
    public function setExpirationDateTime(?DateTime $value): void {
        $this->getBackingStore()->set('expirationDateTime', $value);
    }

    /**
     * Sets the nextExpectedRanges property value. A collection of byte ranges that the server is missing for the file. These ranges are zero indexed and of the format 'start-end' (for example '0-26' to indicate the first 27 bytes of the file). When uploading files as Outlook attachments, instead of a collection of ranges, this property always indicates a single value '{start}', the location in the file where the next upload should begin.
     * @param array<string>|null $value Value to set for the nextExpectedRanges property.
    */
    public function setNextExpectedRanges(?array $value): void {
        $this->getBackingStore()->set('nextExpectedRanges', $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 uploadUrl property value. The URL endpoint that accepts PUT requests for byte ranges of the file.
     * @param string|null $value Value to set for the uploadUrl property.
    */
    public function setUploadUrl(?string $value): void {
        $this->getBackingStore()->set('uploadUrl', $value);
    }

}
