package nws

import "testing"

func TestBuildObservationTextDescriptionAndPressurePrecedence(t *testing.T) {
	barometric := 100200.0
	seaLevel := 101400.0

	parsed := nwsObservationResponse{}
	parsed.Properties.Timestamp = "2026-03-16T19:00:00Z"
	parsed.Properties.TextDescription = "  Overcast  "
	parsed.Properties.BarometricPressure.Value = &barometric
	parsed.Properties.SeaLevelPressure.Value = &seaLevel

	obs, _, err := buildObservation(parsed)
	if err != nil {
		t.Fatalf("buildObservation() error = %v", err)
	}

	if got, want := obs.TextDescription, "Overcast"; got != want {
		t.Fatalf("TextDescription = %q, want %q", got, want)
	}

	if obs.BarometricPressurePa == nil {
		t.Fatalf("BarometricPressurePa = nil, want non-nil")
	}
	if got, want := *obs.BarometricPressurePa, seaLevel; got != want {
		t.Fatalf("BarometricPressurePa = %v, want %v", got, want)
	}
}

func TestBuildObservationPressureFallbackToBarometric(t *testing.T) {
	barometric := 99900.0

	parsed := nwsObservationResponse{}
	parsed.Properties.Timestamp = "2026-03-16T19:00:00Z"
	parsed.Properties.TextDescription = "Cloudy"
	parsed.Properties.BarometricPressure.Value = &barometric

	obs, _, err := buildObservation(parsed)
	if err != nil {
		t.Fatalf("buildObservation() error = %v", err)
	}

	if obs.BarometricPressurePa == nil {
		t.Fatalf("BarometricPressurePa = nil, want non-nil")
	}
	if got, want := *obs.BarometricPressurePa, barometric; got != want {
		t.Fatalf("BarometricPressurePa = %v, want %v", got, want)
	}
}