package kk_reflect

import (
	"log/slog"
	"reflect"
	"runtime"
	"strings"
)

// GetFunctionName make sure use this only for test or a dynamic function
// do not use this in production code
func GetFunctionName(function any, getFullName ...bool) string {
	fullFuncName := runtime.FuncForPC(reflect.ValueOf(function).Pointer()).Name()
	if len(getFullName) > 0 && getFullName[0] {
		return fullFuncName
	}
	splitFuncName := strings.Split(fullFuncName, ".")
	funcName := splitFuncName[len(splitFuncName)-1]
	return funcName
}

// GetCurrentFunctionName make sure use this only for test or a dynamic function
// do not use this in production code
func GetCurrentFunctionName(getFullName ...bool) string {
	pc, _, _, ok := runtime.Caller(1)
	if !ok {
		slog.Error("GetCurrentFunctionName error")
		return ""
	}
	fullFuncName := runtime.FuncForPC(pc).Name()
	if len(getFullName) > 0 && getFullName[0] {
		return fullFuncName
	}
	splitFuncName := strings.Split(fullFuncName, ".")
	funcName := splitFuncName[len(splitFuncName)-1]
	return funcName
}