<?php

namespace AsyncAws\S3\Result;

use AsyncAws\Core\Response;
use AsyncAws\Core\Result;
use AsyncAws\S3\Enum\RequestCharged;
use AsyncAws\S3\Enum\ServerSideEncryption;

class UploadPartOutput extends Result
{
    /**
     * The server-side encryption algorithm used when storing this object in Amazon S3 (for example, `AES256`, `aws:kms`).
     */
    private $serverSideEncryption;

    /**
     * Entity tag for the uploaded object.
     */
    private $etag;

    /**
     * The base64-encoded, 32-bit CRC32 checksum of the object. This will only be present if it was uploaded with the
     * object. With multipart uploads, this may not be a checksum value of the object. For more information about how
     * checksums are calculated with multipart uploads, see  Checking object integrity [^1] in the *Amazon S3 User Guide*.
     *
     * [^1]: https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html#large-object-checksums
     */
    private $checksumCrc32;

    /**
     * The base64-encoded, 32-bit CRC32C checksum of the object. This will only be present if it was uploaded with the
     * object. With multipart uploads, this may not be a checksum value of the object. For more information about how
     * checksums are calculated with multipart uploads, see  Checking object integrity [^1] in the *Amazon S3 User Guide*.
     *
     * [^1]: https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html#large-object-checksums
     */
    private $checksumCrc32C;

    /**
     * The base64-encoded, 160-bit SHA-1 digest of the object. This will only be present if it was uploaded with the object.
     * With multipart uploads, this may not be a checksum value of the object. For more information about how checksums are
     * calculated with multipart uploads, see  Checking object integrity [^1] in the *Amazon S3 User Guide*.
     *
     * [^1]: https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html#large-object-checksums
     */
    private $checksumSha1;

    /**
     * The base64-encoded, 256-bit SHA-256 digest of the object. This will only be present if it was uploaded with the
     * object. With multipart uploads, this may not be a checksum value of the object. For more information about how
     * checksums are calculated with multipart uploads, see  Checking object integrity [^1] in the *Amazon S3 User Guide*.
     *
     * [^1]: https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html#large-object-checksums
     */
    private $checksumSha256;

    /**
     * If server-side encryption with a customer-provided encryption key was requested, the response will include this
     * header confirming the encryption algorithm used.
     */
    private $sseCustomerAlgorithm;

    /**
     * If server-side encryption with a customer-provided encryption key was requested, the response will include this
     * header to provide round-trip message integrity verification of the customer-provided encryption key.
     */
    private $sseCustomerKeyMd5;

    /**
     * If present, specifies the ID of the Key Management Service (KMS) symmetric encryption customer managed key was used
     * for the object.
     */
    private $sseKmsKeyId;

    /**
     * Indicates whether the multipart upload uses an S3 Bucket Key for server-side encryption with Key Management Service
     * (KMS) keys (SSE-KMS).
     */
    private $bucketKeyEnabled;

    private $requestCharged;

    public function getBucketKeyEnabled(): ?bool
    {
        $this->initialize();

        return $this->bucketKeyEnabled;
    }

    public function getChecksumCrc32(): ?string
    {
        $this->initialize();

        return $this->checksumCrc32;
    }

    public function getChecksumCrc32C(): ?string
    {
        $this->initialize();

        return $this->checksumCrc32C;
    }

    public function getChecksumSha1(): ?string
    {
        $this->initialize();

        return $this->checksumSha1;
    }

    public function getChecksumSha256(): ?string
    {
        $this->initialize();

        return $this->checksumSha256;
    }

    public function getEtag(): ?string
    {
        $this->initialize();

        return $this->etag;
    }

    /**
     * @return RequestCharged::*|null
     */
    public function getRequestCharged(): ?string
    {
        $this->initialize();

        return $this->requestCharged;
    }

    /**
     * @return ServerSideEncryption::*|null
     */
    public function getServerSideEncryption(): ?string
    {
        $this->initialize();

        return $this->serverSideEncryption;
    }

    public function getSseCustomerAlgorithm(): ?string
    {
        $this->initialize();

        return $this->sseCustomerAlgorithm;
    }

    public function getSseCustomerKeyMd5(): ?string
    {
        $this->initialize();

        return $this->sseCustomerKeyMd5;
    }

    public function getSseKmsKeyId(): ?string
    {
        $this->initialize();

        return $this->sseKmsKeyId;
    }

    protected function populateResult(Response $response): void
    {
        $headers = $response->getHeaders();

        $this->serverSideEncryption = $headers['x-amz-server-side-encryption'][0] ?? null;
        $this->etag = $headers['etag'][0] ?? null;
        $this->checksumCrc32 = $headers['x-amz-checksum-crc32'][0] ?? null;
        $this->checksumCrc32C = $headers['x-amz-checksum-crc32c'][0] ?? null;
        $this->checksumSha1 = $headers['x-amz-checksum-sha1'][0] ?? null;
        $this->checksumSha256 = $headers['x-amz-checksum-sha256'][0] ?? null;
        $this->sseCustomerAlgorithm = $headers['x-amz-server-side-encryption-customer-algorithm'][0] ?? null;
        $this->sseCustomerKeyMd5 = $headers['x-amz-server-side-encryption-customer-key-md5'][0] ?? null;
        $this->sseKmsKeyId = $headers['x-amz-server-side-encryption-aws-kms-key-id'][0] ?? null;
        $this->bucketKeyEnabled = isset($headers['x-amz-server-side-encryption-bucket-key-enabled'][0]) ? filter_var($headers['x-amz-server-side-encryption-bucket-key-enabled'][0], \FILTER_VALIDATE_BOOLEAN) : null;
        $this->requestCharged = $headers['x-amz-request-charged'][0] ?? null;
    }
}