// Code generated by smithy-go-codegen DO NOT EDIT.

package glacier

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	glaciercust "github.com/aws/aws-sdk-go-v2/service/glacier/internal/customizations"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// This operation initiates a multipart upload. Amazon S3 Glacier creates a
// multipart upload resource and returns its ID in the response. The multipart
// upload ID is used in subsequent requests to upload parts of an archive (see UploadMultipartPart).
//
// When you initiate a multipart upload, you specify the part size in number of
// bytes. The part size must be a megabyte (1024 KB) multiplied by a power of 2-for
// example, 1048576 (1 MB), 2097152 (2 MB), 4194304 (4 MB), 8388608 (8 MB), and so
// on. The minimum allowable part size is 1 MB, and the maximum is 4 GB.
//
// Every part you upload to this resource (see UploadMultipartPart), except the last one, must have
// the same size. The last one can be the same size or smaller. For example,
// suppose you want to upload a 16.2 MB file. If you initiate the multipart upload
// with a part size of 4 MB, you will upload four parts of 4 MB each and one part
// of 0.2 MB.
//
// You don't need to know the size of the archive when you start a multipart
// upload because Amazon S3 Glacier does not require you to specify the overall
// archive size.
//
// After you complete the multipart upload, Amazon S3 Glacier (Glacier) removes
// the multipart upload resource referenced by the ID. Glacier also removes the
// multipart upload resource if you cancel the multipart upload or it may be
// removed if there is no activity for a period of 24 hours.
//
// An AWS account has full permission to perform all operations (actions).
// However, AWS Identity and Access Management (IAM) users don't have any
// permissions by default. You must grant them explicit permission to perform
// specific actions. For more information, see [Access Control Using AWS Identity and Access Management (IAM)].
//
// For conceptual information and underlying REST API, see [Uploading Large Archives in Parts (Multipart Upload)] and [Initiate Multipart Upload] in the Amazon
// Glacier Developer Guide.
//
// [Uploading Large Archives in Parts (Multipart Upload)]: https://docs.aws.amazon.com/amazonglacier/latest/dev/uploading-archive-mpu.html
// [Access Control Using AWS Identity and Access Management (IAM)]: https://docs.aws.amazon.com/amazonglacier/latest/dev/using-iam-with-amazon-glacier.html
// [Initiate Multipart Upload]: https://docs.aws.amazon.com/amazonglacier/latest/dev/api-multipart-initiate-upload.html
func (c *Client) InitiateMultipartUpload(ctx context.Context, params *InitiateMultipartUploadInput, optFns ...func(*Options)) (*InitiateMultipartUploadOutput, error) {
	if params == nil {
		params = &InitiateMultipartUploadInput{}
	}

	result, metadata, err := c.invokeOperation(ctx, "InitiateMultipartUpload", params, optFns, c.addOperationInitiateMultipartUploadMiddlewares)
	if err != nil {
		return nil, err
	}

	out := result.(*InitiateMultipartUploadOutput)
	out.ResultMetadata = metadata
	return out, nil
}

// Provides options for initiating a multipart upload to an Amazon S3 Glacier
// vault.
type InitiateMultipartUploadInput struct {

	// The AccountId value is the AWS account ID of the account that owns the vault.
	// You can either specify an AWS account ID or optionally a single ' - ' (hyphen),
	// in which case Amazon S3 Glacier uses the AWS account ID associated with the
	// credentials used to sign the request. If you use an account ID, do not include
	// any hyphens ('-') in the ID.
	//
	// This member is required.
	AccountId *string

	// The name of the vault.
	//
	// This member is required.
	VaultName *string

	// The archive description that you are uploading in parts.
	//
	// The part size must be a megabyte (1024 KB) multiplied by a power of 2, for
	// example 1048576 (1 MB), 2097152 (2 MB), 4194304 (4 MB), 8388608 (8 MB), and so
	// on. The minimum allowable part size is 1 MB, and the maximum is 4 GB (4096 MB).
	ArchiveDescription *string

	// The size of each part except the last, in bytes. The last part can be smaller
	// than this part size.
	PartSize *string

	noSmithyDocumentSerde
}

// The Amazon S3 Glacier response to your request.
type InitiateMultipartUploadOutput struct {

	// The relative URI path of the multipart upload ID Amazon S3 Glacier created.
	Location *string

	// The ID of the multipart upload. This value is also included as part of the
	// location.
	UploadId *string

	// Metadata pertaining to the operation's result.
	ResultMetadata middleware.Metadata

	noSmithyDocumentSerde
}

func (c *Client) addOperationInitiateMultipartUploadMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsRestjson1_serializeOpInitiateMultipartUpload{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpInitiateMultipartUpload{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "InitiateMultipartUpload"); err != nil {
		return fmt.Errorf("add protocol finalizers: %v", err)
	}

	if err = addlegacyEndpointContextSetter(stack, options); err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = addClientRequestID(stack); err != nil {
		return err
	}
	if err = addComputeContentLength(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = addComputePayloadSHA256(stack); err != nil {
		return err
	}
	if err = addRetry(stack, options); err != nil {
		return err
	}
	if err = addRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = addRecordResponseTiming(stack); err != nil {
		return err
	}
	if err = addClientUserAgent(stack, options); err != nil {
		return err
	}
	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addTimeOffsetBuild(stack, c); err != nil {
		return err
	}
	if err = addUserAgentRetryMode(stack, options); err != nil {
		return err
	}
	if err = addOpInitiateMultipartUploadValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opInitiateMultipartUpload(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = addRecursionDetection(stack); err != nil {
		return err
	}
	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
		return err
	}
	if err = addResponseErrorMiddleware(stack); err != nil {
		return err
	}
	if err = glaciercust.AddTreeHashMiddleware(stack); err != nil {
		return err
	}
	if err = glaciercust.AddGlacierAPIVersionMiddleware(stack, ServiceAPIVersion); err != nil {
		return err
	}
	if err = glaciercust.AddDefaultAccountIDMiddleware(stack, setDefaultAccountID); err != nil {
		return err
	}
	if err = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	return nil
}

func newServiceMetadataMiddleware_opInitiateMultipartUpload(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		OperationName: "InitiateMultipartUpload",
	}
}