package caldav

import (
	"encoding/json"
	"fmt"

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

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

// GetHTMLReport implements sdk.CheckerHTMLReporter on *caldavProvider.
//
// Delegated to the shared renderer in internal/dav so CalDAV and CardDAV
// produce visually identical reports; the only differences are the title
// and the set of phases (CalDAV includes Scheduling).
//
// Downstream TLS probes published for the endpoints we discovered are read
// via ctx.Related(dav.TLSRelatedKey) and folded into the report (callouts +
// dedicated TLS phase), per
// happydomain3/docs/checker-discovery-endpoint.md.
func (p *caldavProvider) GetHTMLReport(ctx sdk.ReportContext) (string, error) {
	var d dav.Observation
	if err := json.Unmarshal(ctx.Data(), &d); err != nil {
		return "", fmt.Errorf("failed to unmarshal caldav report: %w", err)
	}
	d.Kind = dav.KindCalDAV
	return dav.RenderReport(&d, "CalDAV Server", ctx.Related(dav.TLSRelatedKey))
}