package vaultik_test

import (
	"encoding/json"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"sneak.berlin/go/vaultik/internal/log"
	"sneak.berlin/go/vaultik/internal/vaultik"
)

// TestPruneBlobs_JSONDeletesWithoutAsking checks that prune with --json
// and without --force deletes an unreferenced blob without the
// confirmation prompt. Stdin is empty, so a prompt would read no answer
// and cancel, and its text would come before the JSON document.
func TestPruneBlobs_JSONDeletesWithoutAsking(t *testing.T) {
	log.Initialize(log.Config{})
	t.Parallel()

	env := newListEnv(t)

	// The store holds no manifest, so nothing references this blob.
	addBlob(t, env.store.testStorer, testBlobHashA)

	err := env.v.PruneBlobs(&vaultik.PruneOptions{JSON: true})
	require.NoError(t, err)

	blobKey := "blobs/" + testBlobHashA[:2] + "/" + testBlobHashA[2:4] +
		"/" + testBlobHashA
	assert.False(t, env.store.hasKey(blobKey),
		"the unreferenced blob must be deleted")

	var result vaultik.PruneBlobsResult

	require.NoError(t, json.Unmarshal(env.stdout.Bytes(), &result),
		"stdout must hold only the JSON document, got:\n%s",
		env.stdout.String())
	assert.Equal(t, 1, result.BlobsDeleted)
}