Updated actions, fix some lint issues and introduce translate package

pkg/tiles/translate.go

@@ -0,0 +1,77 @@
+package tiles
+
+import (
+	"fmt"
+	"slices"
+	"strconv"
+	"strings"
+	"unicode"
+)
+
+var jpnZiPaiTileTypes []string = []string{"DO", "NA", "XI", "BE", "BA", "FA", "ZH"}
+
+// Translate numberized Zi Pai to 2-letter format
+// rule can be "CHN" or "JPN"
+// If rule is "CHN", it should translate as DO XI NA BE ZH FA BA
+// If rule is  "JPN", it should translate as DO NA XI BE BA FA ZH
+func ziPaiShortSplit(num int, rule string) (string, error) {
+	if num < 1 || num > 7 {
+		return "", fmt.Errorf("invalid zipai index %d", num)
+	}
+	switch rule {
+	case "CHN":
+		return TileTypes[num-1+27], nil
+	case "JPN":
+		return jpnZiPaiTileTypes[num-1], nil
+	}
+	return "", fmt.Errorf("error calling ziPaiShortSplit()")
+}
+
+func shortToArray(tiles string) ([]string, error) {
+	var ret []string
+	var stack []string
+	var rule string
+
+	// Check if it's jpn format
+	tiles = strings.ToUpper(tiles)
+	if strings.Contains(tiles, "M") || strings.Contains(tiles, "S") || strings.Contains(tiles, "P") {
+		rule = "JPN"
+	} else {
+		rule = "CHN"
+	}
+
+	for _, char := range tiles {
+		if unicode.IsDigit(char) {
+			stack = append(stack, string(char))
+		} else {
+			switch string(char) {
+			case "W", "M":
+				for _, prefix := range stack {
+					ret = append(ret, prefix+"W")
+				}
+			case "T", "S":
+				for _, prefix := range stack {
+					ret = append(ret, prefix+"T")
+				}
+			case "B", "P":
+				for _, prefix := range stack {
+					ret = append(ret, prefix+"B")
+				}
+			case "Z":
+				for _, prefix := range stack {
+					num, _ := strconv.Atoi(prefix)
+					ziPaiStr, _ := ziPaiShortSplit(num, rule)
+					ret = append(ret, ziPaiStr)
+				}
+			}
+			stack = []string{}
+		}
+	}
+	// Check return value valid, if not return error
+	for _, t := range ret {
+		if !slices.Contains(TileTypes, t) {
+			return []string{}, fmt.Errorf("invalid tile string with %s", t)
+		}
+	}
+	return ret, nil
+}