// limitations under the License.

package compare

import (
	"bytes"
	"fmt"

	"github.com/pmezard/go-difflib/difflib"

	"istio.io/istio/pkg/util/protomarshal"
)

// ClusterDiff prints a diff between Istiod and Envoy clusters to the passed writer
func (c *Comparator) ClusterDiff() error {
	envoyBytes, istiodBytes := &bytes.Buffer{}, &bytes.Buffer{}
	envoyClusterDump, err := c.envoy.GetDynamicClusterDump(true)

		return false
	}
	if c.Port != 0 {
		p := fmt.Sprintf("|%v|", c.Port)
		if !strings.Contains(name, p) {
			return false
		}
	}
	return true
}

// PrintClusterSummary prints a summary of the relevant clusters in the config dump to the ConfigWriter stdout
func (c *ConfigWriter) PrintClusterSummary(filter ClusterFilter) error {
	w, clusters, err := c.setupClusterConfigWriter()
	if err != nil {