package basic

import (
	"fmt"
	"os"
	"strings"
	"testing"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/awserr"
	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/aws/aws-sdk-go/service/s3"
)

var (
	svc *s3.S3
)

func init() {
	// Initialize a session in us-west-2 that the SDK will use to load
	// credentials from the shared credentials file ~/.aws/credentials.
	sess, err := session.NewSession(&aws.Config{
		Region:     aws.String("us-west-2"),
		Endpoint:   aws.String("localhost:8333"),
		DisableSSL: aws.Bool(true),
	})
	if err != nil {
		exitErrorf("create session, %v", err)
	}

	// Create S3 service client
	svc = s3.New(sess)
}

func TestCreateBucket(t *testing.T) {

	input := &s3.CreateBucketInput{
		Bucket: aws.String("theBucket"),
	}

	result, err := svc.CreateBucket(input)
	if err != nil {
		if aerr, ok := err.(awserr.Error); ok {
			switch aerr.Code() {
			case s3.ErrCodeBucketAlreadyExists:
				fmt.Println(s3.ErrCodeBucketAlreadyExists, aerr.Error())
			case s3.ErrCodeBucketAlreadyOwnedByYou:
				fmt.Println(s3.ErrCodeBucketAlreadyOwnedByYou, aerr.Error())
			default:
				fmt.Println(aerr.Error())
			}
		} else {
			// Print the error, cast err to awserr.Error to get the Code and
			// Message from an error.
			fmt.Println(err.Error())
		}
		return
	}

	fmt.Println(result)

}

func TestListBuckets(t *testing.T) {

	input := &s3.PutObjectInput{
		ACL:    aws.String("authenticated-read"),
		Body:   aws.ReadSeekCloser(strings.NewReader("filetoupload")),
		Bucket: aws.String("theBucket"),
		Key:    aws.String("exampleobject"),
	}

	result, err := svc.PutObject(input)
	if err != nil {
		if aerr, ok := err.(awserr.Error); ok {
			switch aerr.Code() {
			default:
				fmt.Println(aerr.Error())
			}
		} else {
			// Print the error, cast err to awserr.Error to get the Code and
			// Message from an error.
			fmt.Println(err.Error())
		}
		return
	}

	fmt.Println(result)

}

func TestPutObject(t *testing.T) {

	result, err := svc.ListBuckets(nil)
	if err != nil {
		exitErrorf("Unable to list buckets, %v", err)
	}

	fmt.Println("Buckets:")

	for _, b := range result.Buckets {
		fmt.Printf("* %s created on %s\n",
			aws.StringValue(b.Name), aws.TimeValue(b.CreationDate))
	}

}

func exitErrorf(msg string, args ...interface{}) {
	fmt.Fprintf(os.Stderr, msg+"\n", args...)
	os.Exit(1)
}