package main

import (
	"crypto/md5"
	"fmt"
	"io"
	"net/url"
)

func md5str(s string) string {
	h := md5.New()
	io.WriteString(h, s)
	return fmt.Sprintf("%x", h.Sum(nil))
}

func md5LeanworkForm(form url.Values) string {
	s := ""
	if _, ok := form["pickupUrl"]; ok {
		s += form["pickupUrl"][0]
		s += form["receiveUrl"][0]
		s += form["signType"][0]
		s += form["orderNo"][0]
		s += form["orderAmount"][0]
		s += form["orderCurrency"][0]
		s += form["customerId"][0]
		s += Config.LeanWork.MD5Key
	}
	return md5str(s)
}

func isLeanworkFormValid(form url.Values) bool {
	r := md5LeanworkForm(form)
	sign := form["sign"][0]
	return r == sign
}

func md4RpnFormP2P(r RpnReq) string {
	return md5RpnForm(r, Config.Rpn.MD5P2P)
}

func md5RpnFormFAT(r RpnReq) string {
	return md5RpnForm(r, Config.Rpn.MD5FAT)
}

func md5RpnForm(r RpnReq, md5key string) string {
	s := ""
	s += "version=" + r.version + "|"
	s += "sign_type=" + r.sign_type + "|"
	s += "mid=" + r.mid + "|"
	s += "notify_url=" + r.notify_url + "|"
	s += "order_id=" + r.order_id + "|"
	s += "order_amount=" + r.order_amount + "|"
	s += "order_time=" + r.order_time + "|"
	s += "user_id=" + r.user_id + "|"
	s += "user_name=" + r.user_name + "|"
	s += "user_cardno=" + r.user_cardno + "|"
	s += "key=" + md5key
	fmt.Println(s)
	fmt.Println(md5str(s))
	return md5str(s)
}