// 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 (
	"fmt"
	"io"
	"path/filepath"
	"reflect"
	"regexp"
	"sort"
	"strings"

	"github.com/google/go-cmp/cmp"
	"sigs.k8s.io/yaml"

	"istio.io/istio/operator/pkg/object"

//   - bool compares false before true
//   - complex compares real, then imag
//   - pointers compare by machine address
//   - channel values compare by machine address
//   - structs compare each field in turn
//   - arrays compare each element in turn.
//     Otherwise identical arrays compare by length.
//   - interface values compare first by reflect.Type describing the concrete type

	zDump := c.ztunnelDump

	svcs := slices.Filter(zDump.Services, filter.Verify)
	slices.SortFunc(svcs, func(a, b *ZtunnelService) int {
		if r := cmp.Compare(a.Namespace, b.Namespace); r != 0 {
			return r
		}
		if r := cmp.Compare(a.Name, b.Name); r != 0 {
			return r
		}
		return cmp.Compare(a.Hostname, b.Hostname)
	})
	fmt.Fprintln(w, "NAMESPACE\tSERVICE NAME\tSERVICE VIP\tWAYPOINT")

	for _, svc := range svcs {
		var ip string

   * @param b second value to compare.
   * @throws ClassCastException if the parameters are not <i>mutually comparable</i> using the given
   *     comparator.
   * @since 30.0
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T max(
      @ParametricNullness T a, @ParametricNullness T b, Comparator<? super T> comparator) {

}

func ExampleCompare() {
	names := []string{"Alice", "Bob", "Vera"}
	fmt.Println("Equal:", slices.Compare(names, []string{"Alice", "Bob", "Vera"}))
	fmt.Println("V < X:", slices.Compare(names, []string{"Alice", "Bob", "Xena"}))
	fmt.Println("V > C:", slices.Compare(names, []string{"Alice", "Bob", "Cat"}))
	fmt.Println("3 > 2:", slices.Compare(names, []string{"Alice", "Bob"}))
	// Output:
	// Equal: 0
	// V < X: -1
	// V > C: 1
	// 3 > 2: 1

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

	pols := slices.Filter(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",

    reducer(%arg1: tensor<i1>, %arg3: tensor<i1>) (%arg2: tensor<i32>, %arg4: tensor<i32>)  {
    %4 = mhlo.compare  GT, %arg1, %arg3 : (tensor<i1>, tensor<i1>) -> tensor<i1>
    %5 = mhlo.select %4, %arg1, %arg3 : tensor<i1>, tensor<i1>
    %6 = mhlo.compare  EQ, %arg1, %arg3 : (tensor<i1>, tensor<i1>) -> tensor<i1>
    %7 = mhlo.compare  LT, %arg2, %arg4 : (tensor<i32>, tensor<i32>) -> tensor<i1>
    %8 = mhlo.and %6, %7 : tensor<i1>

   * instead (but note that it does not guarantee which tied minimum element is returned).
   *
   * @param a value to compare, returned if less than or equal to the rest.
   * @param b value to compare
   * @param c value to compare
   * @param rest values to compare
   * @throws ClassCastException if the parameters are not <i>mutually comparable</i> under this
   *     ordering.
   */
  @ParametricNullness

   *
   * @param a the first {@code byte} to compare
   * @param b the second {@code byte} to compare
   * @return a negative value if {@code a} is less than {@code b}; a positive value if {@code a} is
   *     greater than {@code b}; or zero if they are equal
   */
  public static int compare(byte a, byte b) {
    return toInt(a) - toInt(b);
  }

  /**

//
// Note that floating-point types may contain NaN ("not-a-number") values.
// An operator such as == or < will always report false when
// comparing a NaN value with any other value, NaN or not.
// See the [Compare] function for a consistent way to compare NaN values.
type Ordered interface {
	~int | ~int8 | ~int16 | ~int32 | ~int64 |
		~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
		~float32 | ~float64 |
		~string
}