package background

import "testing"

func TestBuildSupportsAllLanguages(t *testing.T) {
	for _, lang := range []string{"de", "en", "fr", "es", "it", "nl", "pt", "pl"} {
		page := Build(lang)
		if page.Title == "" || page.Lead == "" || page.DisclaimerText == "" {
			t.Fatalf("language %s has incomplete primary content", lang)
		}
		if len(page.OverviewParagraphs) < 3 {
			t.Fatalf("language %s has insufficient overview content", lang)
		}
		if len(page.Obligations) != 4 || len(page.Scenarios) != 4 || len(page.Principles) != 4 {
			t.Fatalf("language %s has incomplete structured content", lang)
		}
		if len(page.Sources) != 5 {
			t.Fatalf("language %s has %d sources, want 5", lang, len(page.Sources))
		}
	}
}

func TestGermanPageDistinguishesLegalAndVoluntaryDisclosure(t *testing.T) {
	page := Build("de")
	if page.OverviewTitle == "" {
		t.Fatal("missing overview title")
	}
	foundVoluntary := false
	foundPublicInterest := false
	for _, scenario := range page.Scenarios {
		if scenario.Status == "Oft freiwillige Transparenz" {
			foundVoluntary = true
		}
		if scenario.Title == "KI-generierter Text zu Angelegenheiten von öffentlichem Interesse" {
			foundPublicInterest = true
		}
	}
	if !foundVoluntary || !foundPublicInterest {
		t.Fatal("German page does not distinguish voluntary and potentially mandatory disclosure")
	}
}

func TestUnknownLanguageFallsBackToEnglish(t *testing.T) {
	page := Build("xx")
	if page.Title != "Content needs context." {
		t.Fatalf("unexpected fallback title %q", page.Title)
	}
}