package nws

import (
	"context"
	"fmt"

	"gitea.maximumdirect.net/ejr/feedkit/config"
	"gitea.maximumdirect.net/ejr/feedkit/event"
	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
)

// AlertsSource polls an NWS alerts endpoint and will emit RAW alert Events.
// For now Poll remains TODO; this file just migrates to the shared HTTPSource spine.
type AlertsSource struct {
	http *common.HTTPSource
}

func NewAlertsSource(cfg config.SourceConfig) (*AlertsSource, error) {
	const driver = "nws_alerts"

	// NWS APIs are typically GeoJSON; allow fallback to plain JSON as well.
	hs, err := common.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
	if err != nil {
		return nil, err
	}

	return &AlertsSource{http: hs}, nil
}

func (s *AlertsSource) Name() string { return s.http.Name }

// Kind is used for routing/policy.
// The envelope type is event.Event; payload will eventually normalize into model.WeatherAlert.
func (s *AlertsSource) Kind() event.Kind { return event.Kind("alert") }

func (s *AlertsSource) Poll(ctx context.Context) ([]event.Event, error) {
	_ = ctx
	return nil, fmt.Errorf("nws.AlertsSource.Poll: TODO implement")
}