fix: bug correction in awards where a reference regex was not checked

internal/award/award.go

@@ -13,6 +13,7 @@
 package award
 
 import (
+	"errors"
 	"regexp"
 	"sort"
 	"strconv"
@@ -257,6 +258,21 @@ type RefMeta struct {
 }
 
 // NewRefList builds the engine's reference view from (code, meta) pairs.
+// compileAwardRE compiles an award / reference regex. Award patterns are run
+// over free-text log fields (QTH, NOTES) whose capitalization is arbitrary — a
+// log may hold "Tokyo", "TOKYO" or "TOKIO" — so we match case-insensitively by
+// default. An author who set their own flag group (e.g. "(?s)") is respected.
+func compileAwardRE(p string) (*regexp.Regexp, error) {
+	p = strings.TrimSpace(p)
+	if p == "" {
+		return nil, errors.New("empty pattern")
+	}
+	if !strings.HasPrefix(p, "(?") {
+		p = "(?i)" + p
+	}
+	return regexp.Compile(p)
+}
+
 func NewRefList(metas []RefMeta) refList {
 	rl := refList{byCode: make(map[string]RefMeta, len(metas))}
 	for _, m := range metas {
@@ -265,7 +281,7 @@ func NewRefList(metas []RefMeta) refList {
 			continue
 		}
 		if p := strings.TrimSpace(m.Pattern); p != "" {
-			if re, err := regexp.Compile(p); err == nil {
+			if re, err := compileAwardRE(p); err == nil {
 				m.re = re
 				rl.withPattern = append(rl.withPattern, code)
 			}
@@ -297,7 +313,7 @@ func Compute(defs []Def, qsos []qso.QSO, refMetas map[string][]RefMeta, nameOf N
 	perr := make([]string, len(defs))
 	for i := range defs {
 		if p := strings.TrimSpace(defs[i].Pattern); p != "" {
-			re, err := regexp.Compile(p)
+			re, err := compileAwardRE(p)
 			if err != nil {
 				perr[i] = "bad pattern: " + err.Error()
 			} else {
@@ -432,7 +448,7 @@ func MatchQSO(d Def, metas []RefMeta, q *qso.QSO) []string {
 	}
 	var re *regexp.Regexp
 	if p := strings.TrimSpace(d.Pattern); p != "" {
-		if c, err := regexp.Compile(p); err == nil {
+		if c, err := compileAwardRE(p); err == nil {
 			re = c
 		} else {
 			return nil
@@ -565,6 +581,14 @@ func searchOne(field, matchBy string, re *regexp.Regexp, exact bool, leading, tr
 				found = append(found, nc.code)
 			}
 		}
+		// A reference may also declare its own regex to broaden matching beyond
+		// its plain name (e.g. Tokyo's `\bTok[iy]o\b` also catches "TOKIO"). Test
+		// those too — the name match and the pattern are OR'd.
+		for _, code := range rl.withPattern {
+			if m := rl.byCode[code]; m.re != nil && m.re.MatchString(raw) {
+				found = append(found, code)
+			}
+		}
 	case predefined && !exact:
 		// "Search reference inside the field": look up each token of the field in
 		// the list — O(tokens), not O(all references) — plus test the few
@@ -602,7 +626,7 @@ func candidates(d *Def, re *regexp.Regexp, q *qso.QSO, rl refList, hasList bool)
 		r := &d.OrRules[i]
 		var rre *regexp.Regexp
 		if p := strings.TrimSpace(r.Pattern); p != "" {
-			c, err := regexp.Compile(p)
+			c, err := compileAwardRE(p)
 			if err != nil {
 				continue // skip a rule with a bad regex rather than failing the award
 			}

internal/award/award_test.go

@@ -128,6 +128,28 @@ func TestComputeMatchByDescription(t *testing.T) {
 	}
 }
 
+// A description-match award must also honour a REFERENCE's own regex (used to
+// broaden matching past the plain name) AND match case-insensitively — a log
+// QTH "ITABASHIKU, TOKIO" (uppercase, "Tokio" spelling) must count for Tokyo
+// via its `\bTok[iy]o\b` pattern, which the plain name "Tokyo" can't catch.
+func TestComputeDescriptionRefPattern(t *testing.T) {
+	def := Def{Code: "WAJA", Type: TypeQSOFields, Field: "qth", MatchBy: "description",
+		DXCCFilter: []int{339}, Confirm: []string{"lotw", "qsl"}, Valid: true}
+	qsos := []qso.QSO{
+		{Callsign: "JA1LZB", Band: "10m", DXCC: ip(339), QTH: "ITABASHIKU, TOKIO"}, // pattern + case
+		{Callsign: "JA3DEF", Band: "40m", DXCC: ip(339), QTH: "osaka pref"},        // lowercase name
+	}
+	refMetas := map[string][]RefMeta{"WAJA": {
+		{Code: "13", Name: "Tokyo", Pattern: `\bTok[iy]o\b`, Valid: true},
+		{Code: "27", Name: "Osaka", Valid: true},
+		{Code: "01", Name: "Hokkaido", Valid: true},
+	}}
+	r := Compute([]Def{def}, qsos, refMetas, nil)[0]
+	if r.Worked != 2 {
+		t.Errorf("WAJA worked = %d, want 2 (Tokyo via pattern + Osaka via lowercase name); got %v", r.Worked, refCodes(r))
+	}
+}
+
 // VUCC: a grid4 award counts distinct 4-char grid squares, and a QSO on a grid
 // line (VUCC_GRIDS) contributes several. grid4 derives from VUCC_GRIDS else the
 // 4-char prefix of GRIDSQUARE.