package normalizers

import (
	"reflect"
	"testing"

	fknormalize "gitea.maximumdirect.net/ejr/feedkit/processors/normalize"
	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers/nws"
	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers/openmeteo"
	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers/openweather"
)

func TestRegisterBuiltinsOrder(t *testing.T) {
	got := RegisterBuiltins(nil)
	if len(got) == 0 {
		t.Fatalf("RegisterBuiltins() returned no normalizers")
	}

	want := []fknormalize.Normalizer{
		nws.ObservationNormalizer{},
		nws.ForecastNormalizer{},
		nws.ForecastDiscussionNormalizer{},
		nws.AlertsNormalizer{},
		openmeteo.ObservationNormalizer{},
		openmeteo.ForecastNormalizer{},
		openweather.ObservationNormalizer{},
	}

	if len(got) != len(want) {
		t.Fatalf("RegisterBuiltins() expected %d normalizers, got %d", len(want), len(got))
	}

	for i := range want {
		if reflect.TypeOf(got[i]) != reflect.TypeOf(want[i]) {
			t.Fatalf(
				"RegisterBuiltins() order mismatch at index %d: got %T, want %T",
				i,
				got[i],
				want[i],
			)
		}
	}
}