From bb833561aa74f02970aee13cdc75973b29716491 Mon Sep 17 00:00:00 2001
From: leshe4ka46 <alex9102naid1@ya.ru>
Date: Mon, 27 Oct 2025 20:36:28 +0300
Subject: # This is a combination of 2 commits. # This is the 1st commit
 message:

unmarshal all formats, merge them in the single table, users are truly unique

# This is the commit message #2:

i
---
 pkg/model/card.go | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 pkg/model/card.go

(limited to 'pkg/model/card.go')

diff --git a/pkg/model/card.go b/pkg/model/card.go
new file mode 100644
index 0000000..6ed666b
--- /dev/null
+++ b/pkg/model/card.go
@@ -0,0 +1,56 @@
+package model
+
+import (
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+func ParseCardLine(s string) (prefix string, number uint64, bonus string) {
+	raw := strings.TrimSpace(s)
+	if raw == "" {
+		return "", 0, ""
+	}
+	// number = last run of digits
+	if m := regexp.MustCompile(`(\d{3,})\D*$`).FindStringSubmatch(raw); len(m) == 2 {
+		if n, err := strconv.ParseUint(m[1], 10, 64); err == nil {
+			number = n
+		}
+	}
+
+	// tokens (letters with '-', '/', apostrophes)
+	tokRe := regexp.MustCompile(`[A-Za-z][A-Za-z'/-]*`)
+	toks := tokRe.FindAllString(s, -1)
+
+	// prefix = first 2–3 letter all-caps-ish token
+	for _, t := range toks {
+		u := strings.ToUpper(t)
+		if len(u) >= 2 && len(u) <= 3 && regexp.MustCompile(`^[A-Z]{2,3}$`).MatchString(u) {
+			prefix = u
+			break
+		}
+	}
+	// bonus = all tokens except prefix
+	words := []string{}
+	for _, t := range toks {
+		if strings.ToUpper(t) == prefix {
+			continue
+		}
+		words = append(words, t)
+	}
+	if len(words) > 0 {
+		bonus = strings.Join(words, " ")
+	}
+	if bonus == "" && prefix != "" {
+		bonus = prefix
+	}
+	return
+}
+
+
+func FirstNonEmpty(a, b string) string {
+	if strings.TrimSpace(a) != "" {
+		return a
+	}
+	return b
+}
-- 
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