Fix reading lua variables

processor/regex.go

@@ -81,33 +81,13 @@ func (p *RegexProcessor) FromLua(L *lua.LState) (interface{}, error) {
 		sLuaVal := L.GetGlobal(sVarName)
 
 		// First check string variables (s1, s2, etc.) as they should have priority
-		if sLuaVal != lua.LNil {
-			if sStr, ok := sLuaVal.(lua.LString); ok {
-				newStrVal := string(sStr)
-				modifications[i] = newStrVal
-				continue
-			}
+		if sLuaVal.Type() != lua.LTNil {
+			modifications[i] = sLuaVal.String()
 		}
 
 		// Then check numeric variables (v1, v2, etc.)
-		if vLuaVal != lua.LNil {
-			switch v := vLuaVal.(type) {
-			case lua.LNumber:
-				// Convert numeric value to string
-				newNumVal := strconv.FormatFloat(float64(v), 'f', -1, 64)
-				modifications[i] = newNumVal
-				continue
-			case lua.LString:
-				// Use string value directly
-				newStrVal := string(v)
-				modifications[i] = newStrVal
-				continue
-			default:
-				// Convert other types to string
-				newDefaultVal := fmt.Sprintf("%v", v)
-				modifications[i] = newDefaultVal
-				continue
-			}
+		if vLuaVal.Type() != lua.LTNil {
+			modifications[i] = vLuaVal.String()
 		}
 	}
 
@@ -126,6 +106,10 @@ func (p *RegexProcessor) ProcessContent(content string, pattern string, luaExpr
 		return "", 0, 0, fmt.Errorf("error compiling pattern: %v", err)
 	}
 
+	previous := luaExpr
+	luaExpr = BuildLuaScript(luaExpr)
+	fmt.Printf("Changing Lua expression from: %s to: %s\n", previous, luaExpr)
+
 	L := lua.NewState()
 	defer L.Close()
 
@@ -151,28 +135,32 @@ func (p *RegexProcessor) ProcessContent(content string, pattern string, luaExpr
 		captures := compiledPattern.FindStringSubmatch(match)
 		if len(captures) <= 1 {
 			// No capture groups, return unchanged
+			fmt.Println("No capture groups for lua to chew on")
 			return match
 		}
 
-		// Pass the captures to Lua environment
 		if err := p.ToLua(L, captures); err != nil {
+			fmt.Println("Error setting Lua variables:", err)
 			return match
 		}
 
 		// Execute the user's Lua code
 		if err := L.DoString(luaExpr); err != nil {
+			fmt.Println("Error executing Lua code:", err)
 			return match // Return unchanged on error
 		}
 
 		// Get modifications from Lua
 		modResult, err := p.FromLua(L)
 		if err != nil {
+			fmt.Println("Error getting modifications:", err)
 			return match
 		}
 
 		// Apply modifications to the matched text
 		modsMap, ok := modResult.(map[int]string)
 		if !ok || len(modsMap) == 0 {
+			fmt.Println("No modifications to apply")
 			return match // No changes
 		}