package carddav

import (
	"fmt"

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

// DiscoverEndpoints implements sdk.EndpointDiscoverer. See the CalDAV sibling
// for the rationale — the shared helper produces the TLS endpoints.
func (p *carddavProvider) DiscoverEndpoints(data any) ([]sdk.DiscoveredEndpoint, error) {
	obs, ok := data.(*dav.Observation)
	if !ok {
		return nil, fmt.Errorf("unexpected data type %T", data)
	}
	return dav.DiscoverEndpoints(obs), nil
}