// Copyright 2018 The Go Cloud Development Kit Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package s3blob_test

import (
	"context"
	"log"

	"github.com/aws/aws-sdk-go-v2/config"
	"github.com/aws/aws-sdk-go-v2/service/s3"
	"gocloud.dev/blob"
	"gocloud.dev/blob/s3blob"
)

func ExampleOpenBucket() {
	// PRAGMA: This example is used on gocloud.dev; PRAGMA comments adjust how it is shown and can be ignored.
	// PRAGMA: On gocloud.dev, hide lines until the next blank line.
	ctx := context.Background()

	// Establish a AWS Config.
	// See https://aws.github.io/aws-sdk-go-v2/docs/configuring-sdk/ for more info.
	cfg, err := config.LoadDefaultConfig(ctx)
	if err != nil {
		log.Fatal(err)
	}

	// Create a *blob.Bucket.
	client := s3.NewFromConfig(cfg)
	bucket, err := s3blob.OpenBucket(ctx, client, "my-bucket", nil)
	if err != nil {
		log.Fatal(err)
	}
	defer bucket.Close()
}

func Example_openBucketFromURL() {
	// PRAGMA: This example is used on gocloud.dev; PRAGMA comments adjust how it is shown and can be ignored.
	// PRAGMA: On gocloud.dev, add a blank import: _ "gocloud.dev/blob/s3blob"
	// PRAGMA: On gocloud.dev, hide lines until the next blank line.
	ctx := context.Background()

	// blob.OpenBucket creates a *blob.Bucket from a URL.
	bucket, err := blob.OpenBucket(ctx, "s3://my-bucket?region=us-west-1")
	if err != nil {
		log.Fatal(err)
	}
	defer bucket.Close()
}