package main

import (
	"fmt"
	"reflect"
)

type Bar struct {
	Gender string `tag_name:"gender"`
}

type Foo struct {
	FirstName string `tag_name:"tag 1"`
	LastName  string `tag_name:"tag 2"`
	Age       int    `tag_name:"tag 3"`
	Others    *Bar   `tag_name:"tag 4"`
}

func doReflection(f interface{}) {
	val := reflect.ValueOf(f).Elem()

	for i := 0; i < val.NumField(); i++ {
		valueField := val.Field(i)
		typeField := val.Type().Field(i)
		tag := typeField.Tag
		if valueField.Kind() == reflect.Ptr {
			fmt.Println("Found a pointer!")
			doReflection(valueField.Interface())
		}
		fmt.Printf("Field Name: %s,\t Field Type: %v,\t Field Value: %v,\t Tag Value: %s\n", typeField.Name, typeField.Type, valueField.Interface(), tag.Get("tag_name"))
	}
}

func main() {
	f := &Foo{
		FirstName: "Drew",
		LastName:  "Olson",
		Age:       30,
		Others: &Bar{
			Gender: "male",
		},
	}

	doReflection(f)
}