"istio.io/istio/istioctl/pkg/clioptions"
	"istio.io/istio/istioctl/pkg/completion"
	"istio.io/istio/istioctl/pkg/multixds"
	"istio.io/istio/istioctl/pkg/util/ambient"
	"istio.io/istio/istioctl/pkg/writer/compare"
	"istio.io/istio/istioctl/pkg/writer/pilot"
	pilotxds "istio.io/istio/pilot/pkg/xds"
	"istio.io/istio/pkg/log"
)

var configDumpFile string

func readConfigFile(filename string) ([]byte, error) {

	"istio.io/istio/operator/pkg/compare"
	"istio.io/istio/operator/pkg/util"
)

// YAMLSuffix is the suffix of a YAML file.
const YAMLSuffix = ".yaml"

type manifestDiffArgs struct {
	// compareDir indicates comparison between directory.
	compareDir bool
	// verbose generates verbose output.
	verbose bool
	// selectResources constrains the list of resources to compare to only the ones in this list, ignoring all others.

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// 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

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package compare

import (
	"bytes"
	"fmt"

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

	// Force import protos
	_ "istio.io/istio/pilot/pkg/xds/filters"
	"istio.io/istio/pkg/util/protomarshal"
)

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package compare

import (
	"encoding/json"
	"fmt"
	"io"
	"strings"

	admin "github.com/envoyproxy/go-control-plane/envoy/admin/v3"
	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"

	w := c.tabwriter()
	zDump := c.ztunnelDump

	pols := slices.Filter(maps.Values(zDump.Policies), filter.Verify)
	slices.SortFunc(pols, func(a, b *ZtunnelPolicy) int {
		if r := cmp.Compare(a.Namespace, b.Namespace); r != 0 {
			return r
		}
		return cmp.Compare(a.Name, b.Name)
	})
	fmt.Fprintln(w, "NAMESPACE\tPOLICY NAME\tACTION\tSCOPE")

	for _, pol := range pols {
		fmt.Fprintf(w, "%v\t%v\t%v\t%v\n",

	d := c.ztunnelDump
	workloads := maps.Values(d.WorkloadState)
	workloads = slices.SortFunc(workloads, func(a, b WorkloadState) int {
		if r := cmp.Compare(a.Info.Namespace, b.Info.Namespace); r != 0 {
			return r
		}
		return cmp.Compare(a.Info.Namespace, b.Info.Namespace)
	})
	workloads = slices.FilterInPlace(workloads, func(state WorkloadState) bool {

		Use:   "rootca-compare [pod/]<name-1>[.<namespace-1>] [pod/]<name-2>[.<namespace-2>]",
		Short: "Compare ROOTCA values for the two given pods",
		Long:  `Compare ROOTCA values for given 2 pods to check the connectivity between them.`,
		Example: `  # Compare ROOTCA values for given 2 pods to check the connectivity between them.
  istioctl proxy-config rootca-compare <pod-name-1[.namespace]> <pod-name-2[.namespace]>`,

				input[key] = ss
			}

			err := sw.PrintAll(input)
			if tt.wantErr {
				assert.Error(t, err)
			} else {
				assert.NoError(t, err)
			}
			want, _ := os.ReadFile(tt.want)
			if err := util.Compare(got.Bytes(), want); err != nil {
				t.Errorf(err.Error())
			}
		})
	}
}

const clientConfigType = "type.googleapis.com/envoy.service.status.v3.ClientConfig"

type clientConfigInput struct {

	"strings"
	"text/tabwriter"

	adminv3 "github.com/envoyproxy/go-control-plane/envoy/admin/v3"
	"sigs.k8s.io/yaml"

	"istio.io/istio/istioctl/pkg/util/configdump"
	sdscompare "istio.io/istio/istioctl/pkg/writer/compare/sds"
	"istio.io/istio/pkg/util/protomarshal"
)

// ConfigWriter is a writer for processing responses from the Envoy Admin config_dump endpoint
type ConfigWriter struct {
	Stdout     io.Writer