1 files changed, 46 insertions, 0 deletions
diff --git a/internal/cli/storage.go b/internal/cli/storage.go
new file mode 100644
index 0000000..654ed85
--- /dev/null
+++ b/internal/cli/storage.go
@@ -0,0 +1,46 @@
+package cli
+
+import (
+	"context"
+
+	"tsne.dev/hopper/internal/bunny"
+)
+
+// storageAPI is the full storage surface the dry-run decorator delegates to.
+// Its read side (List) must stay real even under --dry-run; its
+// write side (Upload/Delete) is what the decorator stubs. The real
+// *bunny.Client satisfies this, as does the recording fake used in tests.
+type storageAPI interface {
+	Upload(ctx context.Context, path string, body []byte) error
+	List(ctx context.Context, dir string) *bunny.Iterator
+	Delete(ctx context.Context, path string) error
+	DeleteDir(ctx context.Context, path string) error
+}
+
+func newStorageAPI(endpoint, zone, accessKey string) storageAPI {
+	var api storageAPI = bunny.NewAPI(endpoint, zone, accessKey)
+	if dryRun {
+		api = dryRunStorageAPI{api}
+	}
+	return api
+}
+
+type dryRunStorageAPI struct {
+	upstream storageAPI
+}
+
+func (api dryRunStorageAPI) List(ctx context.Context, dir string) *bunny.Iterator {
+	return api.upstream.List(ctx, dir)
+}
+
+func (api dryRunStorageAPI) Upload(ctx context.Context, path string, body []byte) error {
+	return nil
+}
+
+func (api dryRunStorageAPI) Delete(ctx context.Context, path string) error {
+	return nil
+}
+
+func (api dryRunStorageAPI) DeleteDir(ctx context.Context, path string) error {
+	return nil
+}