package checker

import (
	"context"

	sdk "git.happydns.org/checker-sdk-go/checker"
)

// endpointsDiscoveredRule surfaces the "no producer has published endpoints
// for this target yet" steady state. Kept as its own rule so it does not
// contaminate per-endpoint findings when discovery is in flight.
type endpointsDiscoveredRule struct{}

func (r *endpointsDiscoveredRule) Name() string { return "tls.endpoints_discovered" }
func (r *endpointsDiscoveredRule) Description() string {
	return "Verifies that at least one TLS endpoint has been discovered for this target."
}

func (r *endpointsDiscoveredRule) Evaluate(ctx context.Context, obs sdk.ObservationGetter, _ sdk.CheckerOptions) []sdk.CheckState {
	data, errSt := loadData(ctx, obs)
	if errSt != nil {
		return []sdk.CheckState{*errSt}
	}
	if len(data.Probes) == 0 {
		return []sdk.CheckState{unknownState(
			"tls.endpoints_discovered.none",
			"No TLS endpoints have been discovered for this target yet.",
		)}
	}
	return []sdk.CheckState{passState(
		"tls.endpoints_discovered.ok",
		"TLS endpoints were discovered for this target.",
	)}
}