package utils

import (
	"fmt"
	"net/url"
	"reflect"
	"strconv"
	"strings"
	"time"
)

func GetUrlFormedMap(source map[string]string) (urlEncoded string) {
	urlEncoder := url.Values{}
	for key, value := range source {
		urlEncoder.Add(key, value)
	}
	urlEncoded = urlEncoder.Encode()
	return
}

func InitStructWithDefaultTag(bean interface{}) {
	beantype := reflect.TypeOf(bean)
	for i := 0; i < beantype.Elem().NumField(); i++ {
		field := beantype.Elem().Field(i)
		defaultValue := strings.TrimSpace(field.Tag.Get("default"))
		if defaultValue == "" || defaultValue == "-" {
			continue
		}
		setter := reflect.ValueOf(bean).Elem().Field(i)
		fieldTypeName := field.Type.String()
		switch fieldTypeName {
		case "int", "int64", "int32", "int8", "int16":
			intval, _ := strconv.ParseInt(defaultValue, 10, 64)
			setter.SetInt(intval)
		case "uint", "uint8", "uint16", "uint32", "uint64", "uintptr":
			uintval, _ := strconv.ParseUint(defaultValue, 10, 64)
			setter.SetUint(uintval)
		case "string":
			setter.SetString(defaultValue)
		case "time.Duration":
			intval, _ := strconv.ParseInt(defaultValue, 10, 64)
			setter.SetInt(intval * int64(time.Second))
		case "bool":
			boolval, _ := strconv.ParseBool(defaultValue)
			setter.SetBool(boolval)
		default:
			fmt.Println(field.Type.String(), field.Name)
		}
	}
}