bible: canonical books + alias resolution

2 files changed, 140 insertions, 0 deletions

diff --git a/internal/bible/books.go b/internal/bible/books.go
new file mode 100644
index 0000000..045509a
--- /dev/null
+++ b/internal/bible/books.go
@@ -0,0 +1,114 @@
+package bible
+
+import "strings"
+
+// canonical English book names, in corpus form.
+// aliasSeed maps a canonical name to its accepted aliases (Polish abbrev, Polish
+// full name, English abbrev). Ported verbatim from offline_readings book_aliases.py.
+var aliasSeed = map[string][]string{
+	"Genesis":         {"Rdz", "Rodzaju", "Gen"},
+	"Exodus":          {"Wj", "Wyjścia", "Ex", "Exod"},
+	"Leviticus":       {"Kpł", "Kapłańska", "Lev"},
+	"Numbers":         {"Lb", "Liczb", "Num"},
+	"Deuteronomy":     {"Pwt", "Powtórzonego Prawa", "Deut"},
+	"Joshua":          {"Joz", "Jozuego", "Jozue"},
+	"Judges":          {"Sdz", "Sędziów"},
+	"Ruth":            {"Rt", "Rut"},
+	"1 Samuel":        {"1 Sm", "1 Samuela"},
+	"2 Samuel":        {"2 Sm", "2 Samuela"},
+	"1 Kings":         {"1 Krl", "1 Królewska"},
+	"2 Kings":         {"2 Krl", "2 Królewska"},
+	"1 Chronicles":    {"1 Krn", "1 Kronik"},
+	"2 Chronicles":    {"2 Krn", "2 Kronik"},
+	"Ezra":            {"Ezd", "Ezdrasza"},
+	"Nehemiah":        {"Ne", "Nehemiasza"},
+	"Tobit":           {"Tb", "Tobiasza"},
+	"Judith":          {"Jdt", "Judyty"},
+	"Esther":          {"Est", "Estery"},
+	"Job":             {"Hi", "Hioba"},
+	"Psalms":          {"Ps", "Psalm", "Psalmy", "Psalmów"},
+	"Proverbs":        {"Prz", "Przysłów", "Przypowieści"},
+	"Ecclesiastes":    {"Koh", "Koheleta", "Eklezjastes"},
+	"Song of Solomon": {"Pnp", "Pieśń nad Pieśniami", "Pnp"},
+	"Wisdom":          {"Mdr", "Mądrości", "Księga Mądrości"},
+	"Sirach":          {"Syr", "Syracha", "Eklezjastyk", "Mądrość Syracha"},
+	"Isaiah":          {"Iz", "Izajasza"},
+	"Jeremiah":        {"Jr", "Jeremiasza"},
+	"Lamentations":    {"Lm", "Lamentacje", "Treny"},
+	"Baruch":          {"Ba", "Barucha"},
+	"Ezekiel":         {"Ez", "Ezechiela"},
+	"Daniel":          {"Dn", "Daniela"},
+	"Hosea":           {"Oz", "Ozeasza"},
+	"Joel":            {"Jl", "Joela"},
+	"Amos":            {"Am", "Amosa"},
+	"Obadiah":         {"Ab", "Abdiasza"},
+	"Jonah":           {"Jon", "Jonasza"},
+	"Micah":           {"Mi", "Micheasza"},
+	"Nahum":           {"Na", "Nahuma"},
+	"Habakkuk":        {"Ha", "Habakuka"},
+	"Zephaniah":       {"So", "Sofoniasza"},
+	"Haggai":          {"Ag", "Aggeusza"},
+	"Zechariah":       {"Za", "Zachariasza"},
+	"Malachi":         {"Ml", "Malachiasza"},
+	"1 Maccabees":     {"1 Mch", "1 Machabejska", "1 Mach"},
+	"2 Maccabees":     {"2 Mch", "2 Machabejska", "2 Mach"},
+	"Matthew":         {"Mt", "Mateusza", "Mateusz"},
+	"Mark":            {"Mk", "Marka", "Marek"},
+	"Luke":            {"Łk", "Łukasza", "Łukasz"},
+	"John":            {"J", "Jan", "Jana"},
+	"The Acts":        {"Dz", "Dzieje", "Dzieje Apostolskie", "Acts"},
+	"Romans":          {"Rz", "Rzymian"},
+	"1 Corinthians":   {"1 Kor", "1 Koryntian"},
+	"2 Corinthians":   {"2 Kor", "2 Koryntian"},
+	"Galatians":       {"Ga", "Galatów", "Galacjan"},
+	"Ephesians":       {"Ef", "Efezjan"},
+	"Philippians":     {"Flp", "Filipian"},
+	"Colossians":      {"Kol", "Kolosan"},
+	"1 Thessalonians": {"1 Tes", "1 Tesaloniczan"},
+	"2 Thessalonians": {"2 Tes", "2 Tesaloniczan"},
+	"1 Timothy":       {"1 Tm", "1 Tymoteusza"},
+	"2 Timothy":       {"2 Tm", "2 Tymoteusza"},
+	"Titus":           {"Tt", "Tytusa"},
+	"Philemon":        {"Flm", "Filemona"},
+	"Hebrews":         {"Hbr", "Hebrajczyków", "Żydów"},
+	"James":           {"Jk", "Jakuba"},
+	"1 Peter":         {"1 P", "1 Piotra"},
+	"2 Peter":         {"2 P", "2 Piotra"},
+	"1 John":          {"1 J", "1 Jana"},
+	"2 John":          {"2 J", "2 Jana"},
+	"3 John":          {"3 J", "3 Jana"},
+	"Jude":            {"Jud", "Judy"},
+	"Revelation":      {"Ap", "Apokalipsa", "Objawienie"},
+}
+
+var aliasMap map[string]string // lowercased alias -> canonical
+var canonical []string         // canonical names for prefix matching
+
+func init() {
+	aliasMap = map[string]string{}
+	seen := map[string]bool{}
+	for name, aliases := range aliasSeed {
+		canonical = append(canonical, name)
+		for _, a := range append([]string{name}, aliases...) {
+			k := strings.ToLower(a)
+			if !seen[k] {
+				seen[k] = true
+				aliasMap[k] = name
+			}
+		}
+	}
+}
+
+// ResolveBook maps an English name/prefix or a Polish alias to a canonical book.
+func ResolveBook(query string) (string, bool) {
+	q := strings.ToLower(strings.TrimSpace(query))
+	if c, ok := aliasMap[q]; ok { // exact alias/name
+		return c, true
+	}
+	for _, name := range canonical { // canonical prefix, len>=2
+		if len(q) >= 2 && strings.HasPrefix(strings.ToLower(name), q) {
+			return name, true
+		}
+	}
+	return "", false
+}
diff --git a/internal/bible/books_test.go b/internal/bible/books_test.go
new file mode 100644
index 0000000..43a67cf
--- /dev/null
+++ b/internal/bible/books_test.go
@@ -0,0 +1,26 @@
+package bible
+
+import "testing"
+
+func TestResolveBook(t *testing.T) {
+	cases := []struct{ in, want string }{
+		{"John", "John"},
+		{"Joh", "John"}, // English prefix
+		{"J", "John"},   // Polish abbrev — NOT Joshua
+		{"Łk", "Luke"},
+		{"1 Kor", "1 Corinthians"},
+		{"Jana", "John"},
+		{"Rodzaju", "Genesis"},
+		{"Mdr", "Wisdom"},
+		{"Pnp", "Song of Solomon"},
+		{"Dz", "The Acts"},
+	}
+	for _, c := range cases {
+		if got, ok := ResolveBook(c.in); !ok || got != c.want {
+			t.Errorf("ResolveBook(%q)=%q,%v want %q", c.in, got, ok, c.want)
+		}
+	}
+	if _, ok := ResolveBook("Nonsense"); ok {
+		t.Error("ResolveBook(Nonsense) should fail")
+	}
+}