package caldav

import (
	"net/http"

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

// Provider returns the CalDAV observation provider.
//
// The returned value implements sdk.ObservationProvider, plus the optional
// CheckerDefinitionProvider, CheckerHTMLReporter, and EndpointDiscoverer
// interfaces so the SDK's HTTP server exposes /definition, /evaluate,
// /report, and forwards discovered TLS endpoints to downstream checkers.
func Provider() sdk.ObservationProvider {
	return &caldavProvider{}
}

type caldavProvider struct{}

func (p *caldavProvider) Key() sdk.ObservationKey { return ObservationKey }

func (p *caldavProvider) Definition() *sdk.CheckerDefinition { return Definition() }

func (p *caldavProvider) RenderForm() []sdk.CheckerOptionField { return dav.InteractiveForm() }

func (p *caldavProvider) ParseForm(r *http.Request) (sdk.CheckerOptions, error) {
	return dav.ParseInteractiveForm(r)
}