package cli //nolint:testpackage // shares runEntry and the backup config helpers

import (
	"encoding/json"
	"os"
	"path/filepath"
	"testing"

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

// cmdFiles is the word of `snapshot files`, used to build argument
// vectors below.
const cmdFiles = "files"

// TestEntrySnapshotFilesListsOnlyThePath backs up two files and runs
// `snapshot files` with the snapshot ID and the path of one of them,
// which must be the only file listed.
//
//nolint:paralleltest // replaces os.Args, os.Stdout, os.Stderr and the xdg globals
func TestEntrySnapshotFilesListsOnlyThePath(t *testing.T) {
	configPath, _ := writeBackupConfigWithPrivateKey(t)

	// writeBackupConfig puts file.txt in the source directory beside the
	// config file.
	sourceDir := filepath.Join(filepath.Dir(configPath), "source")
	listed := filepath.Join(sourceDir, "file.txt")

	require.NoError(t, os.WriteFile(
		filepath.Join(sourceDir, "other.txt"), []byte("other"), 0o600))

	code, _, stderr := runEntry(t,
		flagConfig, configPath, cmdSnapshot, cmdCreate)
	require.Equal(t, 0, code, stderr)

	code, stdout, stderr := runEntry(t, flagConfig, configPath, cmdSnapshot,
		cmdFiles, onlySnapshotID(t, configPath), listed, flagJSON)
	require.Equal(t, 0, code, stderr)

	var entries []vaultik.ListedFile

	require.NoError(t, json.Unmarshal([]byte(stdout), &entries))
	require.Len(t, entries, 1, "only the path given may be listed")
	assert.Equal(t, listed, entries[0].Path)
}