package cli_test

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

	"github.com/spf13/afero"
	"github.com/spf13/cobra"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"sneak.berlin/go/secret/internal/cli"
	"sneak.berlin/go/secret/internal/secret"
)

// TestVaultListEmptyJSON is a regression test for
// https://git.eeqj.de/sneak/secret/issues/148: listing the vaults when
// vaults.d holds none printed "vaults": null in JSON form instead of an
// empty list.
func TestVaultListEmptyJSON(t *testing.T) {
	t.Parallel()

	fs := afero.NewMemMapFs()
	require.NoError(t, fs.MkdirAll(
		filepath.Join(testStateDir, "vaults.d"), secret.DirPerms,
	))

	var buf bytes.Buffer

	cmd := &cobra.Command{}
	cmd.SetOut(&buf)

	c := cli.NewCLIInstanceWithStateDir(fs, testStateDir)
	require.NoError(t, c.ListVaults(cmd, true))

	var decoded map[string]any

	require.NoError(t, json.Unmarshal(buf.Bytes(), &decoded))
	assert.Equal(t, []any{}, decoded["vaults"],
		"no vaults must be printed as [], not %s", buf.String())
}