package membank

import (
	"testing"

	"textmachine/backend/internal/store"
	"textmachine/backend/internal/text"
)

// TestApostropheFold covers the Task-6 re-audit finding: a typographic apostrophe (U+2019,
// smart-quote editors) folds to ASCII on BOTH sides, so a source key O'Brien matches either
// spelling (no silently empty) and the post-check does not false-MISS a д'Артаньян. Reverting the
// isApostropheVariant folds breaks these.
func TestApostropheFold(t *testing.T) {
	if text.NormalizeSourceKey("O’Brien") != text.NormalizeSourceKey("O'Brien") {
		t.Error("source: typographic and ASCII apostrophe must normalize identically")
	}
	if text.NormalizeTargetForm("д’Артаньян") != text.NormalizeTargetForm("д'Артаньян") {
		t.Error("target: typographic and ASCII apostrophe must normalize identically")
	}
	// End-to-end: an ASCII-apostrophe key matches a chunk written with a typographic apostrophe.
	e := gl("o'brien", "О'Брайен", "", "approved")
	b := bankFrom([]store.GlossaryEntry{e})
	if _, ok := injMap(b.Select("mr o’brien arrived.", 1, nil, 0))["o'brien"]; !ok {
		t.Error("typographic apostrophe in the chunk must match the ASCII-apostrophe key")
	}
}