package iace

import "testing"

// Helper-level: operates on already-normalised (lowercase, umlaut-folded) text.
func TestHasUnnegatedOccurrence(t *testing.T) {
	neg := "keine pneumatischen oder hydraulischen schnittstellen. hubantrieb ueber kette (kettenspannung zyklisch zu pruefen)."
	tests := []struct {
		name string
		text string
		kw   string
		want bool
	}{
		{"negated hydraulik", neg, "hydraulisch", false},
		{"negated pneumatik", neg, "pneumatisch", false},
		{"positive kette after period", neg, "kette", true},
		{"ohne negates", "ohne hydraulik vorhanden", "hydraulik", false},
		{"mit ends scope", "ohne hydraulik, mit pneumatikzylinder", "pneumatik", true},
		{"plain positive", "die maschine hat eine hydraulikpumpe", "hydraulik", true},
		{"weder/contrast", "weder pneumatik noch hydraulik verbaut", "pneumatik", false},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := hasUnnegatedOccurrence(tt.text, tt.kw); got != tt.want {
				t.Errorf("hasUnnegatedOccurrence(%q,%q)=%v, want %v", tt.text, tt.kw, got, tt.want)
			}
		})
	}
}

// Integration: the Kistenhub interface sentence SURFACES the hydraulic (C041)
// and pneumatic (C051) components flagged as negated (for expert review), keeps
// the chain drive (C010) as present, and crucially leaks NO pneumatic/hydraulic
// tags into the matching set (so no phantom hazards).
func TestParseNarrative_NegatedInterfacesFlagged(t *testing.T) {
	text := "Keine pneumatischen oder hydraulischen Schnittstellen. " +
		"Hubantrieb über Kette (Kettenspannung zyklisch zu prüfen)."
	res := ParseNarrative(text)
	status := func(id string) (found, negated bool) {
		for _, c := range res.Components {
			if c.LibraryID == id {
				return true, c.Negated
			}
		}
		return false, false
	}
	if f, n := status("C041"); !f || !n {
		t.Errorf("C041 (Hydraulikpumpe) should be surfaced & negated; found=%v negated=%v", f, n)
	}
	if f, n := status("C051"); !f || !n {
		t.Errorf("C051 (Pneumatikzylinder) should be surfaced & negated; found=%v negated=%v", f, n)
	}
	if f, n := status("C010"); !f || n {
		t.Errorf("C010 (Kettenantrieb) should be present & not negated; found=%v negated=%v", f, n)
	}
	for _, tag := range res.CustomTags {
		if tag == "pneumatic_part" || tag == "hydraulic_part" {
			t.Errorf("negated component leaked tag %q into the matching set", tag)
		}
	}
}