package reflectx

import (
	"reflect"
)

func WalkStructField(st interface{}, f func(field reflect.StructField, value reflect.Value)) {
	t := reflect.TypeOf(st).Elem()
	v := reflect.ValueOf(st).Elem()
	for i := 0; i < v.NumField(); i++ {
		if !v.Field(i).CanSet() {
			continue
		}
		f(t.Field(i), v.Field(i))
	}
}

func TryCallMethod(b interface{}, methodName string, args ...interface{}) []reflect.Value {
	inputs := make([]reflect.Value, len(args))
	for i := range args {
		inputs[i] = reflect.ValueOf(args[i])
	}

	handleMethod := reflect.ValueOf(b).MethodByName(methodName)
	if handleMethod.IsValid() {
		values := handleMethod.Call(inputs)
		return values
	}
	return nil
}

func IsImplement(child interface{},parent interface{}) bool {
	return reflect.TypeOf(child).Implements(reflect.TypeOf(parent).Elem())
}