// license that can be found in the LICENSE file.

package pprof

import (
	"context"
	"fmt"
	"slices"
	"strings"
)

type label struct {
	key   string
	value string
}

// LabelSet is a set of labels.
type LabelSet struct {
	list []label
}

// labelContextKey is the type of contextKeys used for profiler labels.
type labelContextKey struct{}

func labelValue(ctx context.Context) labelMap {

	expectNoMatch(t, "x<1", Set{"x": "2"})

	labelset := Set{
		"foo": "bar",
		"baz": "blah",
	}
	expectMatch(t, "foo=bar", labelset)
	expectMatch(t, "baz=blah", labelset)
	expectMatch(t, "foo=bar,baz=blah", labelset)
	expectNoMatch(t, "foo=blah", labelset)
	expectNoMatch(t, "baz=bar", labelset)
	expectNoMatch(t, "foo=bar,foobar=bar,baz=blah", labelset)
}

                    if (StringUtil.isNotBlank(url)) {
                        final Set<String> labelSet = labelTypeHelper.getMatchedLabelValueSet(url);
                        final Script script = languageHelper.createScript(doc, "ctx._source." + fessConfig.getIndexFieldLabel()
                                + "=new String[]{" + labelSet.stream().map(s -> "\"" + s + "\"").collect(Collectors.joining(",")) + "}");

	// managed values follow:
	labelSet map[string]struct{}
}

func (md *MetricDescriptor) getLabelSet() map[string]struct{} {
	if md.labelSet != nil {
		return md.labelSet
	}
	md.labelSet = make(map[string]struct{}, len(md.VariableLabels))
	for _, label := range md.VariableLabels {
		md.labelSet[label] = struct{}{}
	}
	return md.labelSet
}

// order provided, overriding any previous value for the same key.
// The augmented label map will be set for the duration of the call to f
// and restored once f returns.
func Do(ctx context.Context, labels LabelSet, f func(context.Context)) {
	defer SetGoroutineLabels(ctx)
	ctx = WithLabels(ctx, labels)
	SetGoroutineLabels(ctx)
	f(ctx)

	return func(obj runtime.Object) (labels.Set, fields.Set, error) {
		labelSet, fieldSet, err := f(obj)
		if err != nil {
			return nil, nil, err
		}
		if err := fieldMutator(obj, fieldSet); err != nil {
			return nil, nil, err
		}
		return labelSet, fieldSet, nil
	}
}

// SelectionPredicate is used to represent the way to select objects from api storage.

	// TODO implement me
	panic("implement me")
}

func (client mockPromAPI) Series(ctx context.Context, matches []string,
	startTime time.Time, endTime time.Time,
) ([]prometheus_model.LabelSet, promv1.Warnings, error) {
	return nil, nil, nil
}

func (client mockPromAPI) Snapshot(ctx context.Context, skipHead bool) (promv1.SnapshotResult, error) {
	return promv1.SnapshotResult{}, nil
}

	testLabels := []LabelSet{}
	for _, namespaceLabel := range []klabels.Set{empty, revLabel, legacyLabel, legacyLabelDisabled, legacyAndRevLabel, legacyDisabledAndRevLabel} {
		for _, podLabel := range []klabels.Set{empty, revLabel, objEnabled, objDisable, objEnabledAndRev, objDisableAndRev} {
			testLabels = append(testLabels, LabelSet{namespaceLabel, podLabel})
		}
	}
	type assertion struct {

	namespace := "test-namespace"
	hpaName := "test-hpa"
	podNamePrefix := "test-pod"
	labelSet := map[string]string{"name": podNamePrefix}
	selector := labels.SelectorFromSet(labelSet).String()

	tc.Lock()

	tc.scaleUpdated = false
	tc.statusUpdated = false
	tc.eventCreated = false
	tc.processed = make(chan string, 100)

		{"(*Profile).Name", Method, 0},
		{"(*Profile).Remove", Method, 0},
		{"(*Profile).WriteTo", Method, 0},
		{"Do", Func, 9},
		{"ForLabels", Func, 9},
		{"Label", Func, 9},
		{"LabelSet", Type, 9},
		{"Labels", Func, 9},
		{"Lookup", Func, 0},
		{"NewProfile", Func, 0},
		{"Profile", Type, 0},
		{"Profiles", Func, 0},
		{"SetGoroutineLabels", Func, 9},
		{"StartCPUProfile", Func, 0},