first commit, i i have no idea what i have done

server/internal/storage/minio.go

@@ -0,0 +1,60 @@
+package storage
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+)
+
+type MinIOConfig struct {
+	Endpoint         string
+	AccessKey        string
+	SecretKey        string
+	UseSSL           bool
+	RecordsBucket    string
+	LivestreamBucket string
+	PresignTTL       time.Duration
+}
+
+func cleanEndpoint(ep string) string {
+	ep = strings.TrimSpace(ep)
+	if ep == "" {
+		return ep
+	}
+	// If a scheme is present, strip it.
+	if u, err := url.Parse(ep); err == nil && u.Host != "" {
+		ep = u.Host // drops scheme and any path/query
+	}
+	// Remove any trailing slash that might remain.
+	ep = strings.TrimSuffix(ep, "/")
+	return ep
+}
+
+func NewMinio(c MinIOConfig) (*minio.Client, error) {
+	endpoint := cleanEndpoint(c.Endpoint)
+	return minio.New(endpoint, &minio.Options{
+		Creds:  credentials.NewStaticV4(c.AccessKey, c.SecretKey, ""),
+		Secure: c.UseSSL,
+	})
+}
+
+func EnsureBuckets(mc *minio.Client, c MinIOConfig) error {
+	ctx := context.Background()
+	for _, b := range []string{c.RecordsBucket, c.LivestreamBucket} {
+		exists, err := mc.BucketExists(ctx, b)
+		if err != nil {
+			return err
+		}
+		if !exists {
+			if err := mc.MakeBucket(ctx, b, minio.MakeBucketOptions{}); err != nil {
+				return fmt.Errorf("make bucket %s: %w", b, err)
+			}
+		}
+	}
+	return nil
+}