package storage

import (
	"fmt"

	"github.com/minio/minio-go"
)

// Config contains the configuration for an S3 backend.
type Config struct {
	Key      string
	Secret   string
	Location string
	Bucket   string
	Endpoint string
	SSL      bool
}

// Client is a client for an S3 backend.
type Client struct {
	config *Config
	*minio.Client
}

// New creates a new Client from config
func New(conf *Config) (*Client, error) {
	client := &Client{
		config: conf,
	}

	mc, err := minio.New(
		conf.Endpoint,
		conf.Key,
		conf.Secret,
		conf.SSL)
	if err != nil {
		return nil, err
	}

	client.Client = mc

	return client, nil
}

// GetBucketName returns the bucket name stored in the configuration.
func (c *Client) GetBucketName() string {
	return c.config.Bucket
}

// RemoteFilename returns the filename a blob should be stored at.
func (c *Client) RemoteFilename(hash string) string {
	return fmt.Sprintf("blob/%s/%s", hash[:2], hash)
}