package rchgutil

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	"net/http"
	"reflect"
	"sort"
	"strings"

	"91porn-server/app/appg"
	"91porn-server/common/httputil"
	"91porn-server/common/log"
	"91porn-server/web/webg"
)

var yc = config{
	MercID:    "cm0020983778",
	AppSecret: "8EB5C35ED06CC6EFE8020D8B67B7E867",
	ExeUrl:    "http://api.nb536.com/gateway",
	NotifyUrl: "/3rd/defray/callback/yilianfu",
}

// YiLIanFu 充值订单请求体
type YiLIanFu struct {
	Type        string `sign:"1" json:"method"`           // 产品编码
	Version     string `sign:"1" json:"version" `         //版本
	MercID      string `sign:"1" json:"mch_id"`           //商户编号
	SignType    string `sign:"1" json:"sign_type"`        //签名类型
	Money       string `sign:"1" json:"total_amount" `    // 充值⾦额
	NonceStr    string `sign:"1" json:"nonce_str"`        //随机字符串
	TradeNo     string `sign:"1" json:"mch_order_no"`     //商户订单号
	ProductName string `sign:"1" json:"body"`             // 商品信息
	CurCode     string `sign:"1" json:"cur_code"`         //币种
	PayIP       string `sign:"1" json:"spbill_create_ip"` //终端ip
	Time        string `sign:"1" json:"mch_req_time"`     //提交时间2016-12-26 18:18:18
	NotifyURL   string `sign:"1" json:"notify_url"`       // 回调地址
	Sign        string `sign:"1" json:"sign" `            // 签名
	PayMethod   string `json:"paymethod,omitempty"`       //付款方式 扫码|h5
}

// YiLIanFuRes 回调函数参数model
type YiLIanFuRes struct {
	Type           string `sign:"1" json:"method"` // 产品编码
	Version        string `sign:"1" json:"version"`
	Charset        string `sign:"1" json:"charset"`
	SignType       string `sign:"1" json:"sign_type"`
	MercID         string `sign:"1" json:"mch_id"`
	NonceStr       string `sign:"1" json:"nonce_str"`
	Sign           string `json:"sign"`
	ResCode        string `sign:"1" json:"result_code"`      //业务状态码
	ErrCode        string `sign:"1" json:"err_code"`         //错误码
	ErrCodeDes     string `sign:"1" json:"err_code_des"`     //错误原因
	CurCode        string `sign:"1" json:"cur_code"`         //币种
	Money          string `sign:"1" json:"total_amount"`     // 充值⾦额
	PayMoney       string `sign:"1" json:"real_amount"`      //实付金额
	BankOrderNo    string `sign:"1" json:"bank_order_no"`    //银行订单号
	ChannelOrderNo string `sign:"1" json:"channel_order_no"` //通道订单号
	OID            string `sign:"1" json:"order_no"`
	TradeNo        string `sign:"1" json:"mch_order_no"`      //商户订单号
	PayTime        string `sign:"1" json:"order_finish_time"` //支付时间
}

type YiLIanFuData struct {
	Version    string `sign:"1" json:"version"`
	Charset    string `sign:"1" json:"charset"`
	SignType   string `sign:"1" json:"sign_type"`
	Code       string `sign:"1" json:"return_code"`
	Msg        string `sign:"1" json:"return_msg"`
	NonceStr   string `sign:"1" json:"nonce_str"`
	MercID     string `sign:"1" json:"mch_id"`
	ResCode    string `sign:"1" json:"result_code"` //业务状态码
	Sign       string `json:"sign"`
	ErrCode    string `sign:"1" json:"err_code"`     //错误码
	ErrCodeDes string `sign:"1" json:"err_code_des"` //错误原因
	OID        string `sign:"1" json:"order_no"`
	PayUrl     string `sign:"1" json:"code_url"`
	TimeExpire string `sign:"1" json:"time_expire"`
}

// ToPay 支付发起
func (this *YiLIanFu) ToPay() (payURL string, err error) {
	var errlog string
	this.Fill()
	var msg YiLIanFuData
	code, err := httputil.DefaultClientPostWithRespWithProxy(appg.ProxyCfg, &msg, this.GetURL(), this.GetHeader(), this.GetBody())
	if err != nil {
		errlog = fmt.Sprintf("YiLIanFu ToPay Http.PostJson fail error:%+v/,data:%+v;", err, this)
		err = errors.New(errlog)
		log.Error(errlog)
		return
	}
	if code != http.StatusOK {
		errlog = fmt.Sprintf("YiLIanFu ToPay Http.PostJson fail error:%+v/,data:%+v;", err, code)
		err = errors.New(errlog)
		log.Error(errlog)
		return
	}
	if msg.ResCode != "SUCCESS" {
		bytes, _ := json.Marshal(msg)
		errlog = fmt.Sprintf("YiLIanFu topay response err :%+v:", string(bytes))
		err = errors.New(errlog)
		log.Error(errlog)
		return
	}
	payURL = msg.PayUrl
	return
}

// Fill 补全配置信息和签名信息
func (this *YiLIanFu) Fill() {
	this.Version = "1.0"
	this.Type = this.PayMethod
	this.PayMethod = ""
	this.MercID = this.GetMercID()
	this.NotifyURL = this.GetNotifyURL()
	this.SignType = "MD5"
	this.NonceStr = RandStringBytesMaskImpr(10)
	this.CurCode = "CNY"
	if this.PayIP == "" {
		this.PayIP = genIpaddr()
	}
	this.Sign = this.sign()
}

// sign 签名
func (this *YiLIanFu) sign() string {
	ss := this.ToStringSlice()
	sort.Sort(&ss)
	var buf bytes.Buffer
	for k, v := range ss {
		if k == 0 {
			buf.WriteString(v)
		} else {
			buf.WriteString("&")
			buf.WriteString(v)
		}

	}
	buf.WriteString(this.GetAppSecret())
	str := buf.String()
	log.Info(fmt.Sprintf("YiLIanFu topay sign :%s", str))
	return strings.ToUpper(md5Sign(buf.String()))
}

// sign 签名
func (this *YiLIanFuRes) ToSign() string {
	ss := this.ToStringSlice()
	sort.Sort(&ss)
	var buf bytes.Buffer
	for k, v := range ss {
		if k == 0 {
			buf.WriteString(v)
		} else {
			buf.WriteString("&")
			buf.WriteString(v)
		}
	}
	buf.WriteString(yc.AppSecret)
	return strings.ToUpper(md5Sign(buf.String()))
}

// ToStringSlice 转化为stirng切片切片
func (this *YiLIanFu) ToStringSlice() StringList {
	t := reflect.TypeOf(*this)
	v := reflect.ValueOf(*this)
	data := make([]string, 0, v.NumField())
	for k := 0; k < v.NumField(); k++ {
		jsonTag, _ := t.Field(k).Tag.Lookup("json")
		signTag, _ := t.Field(k).Tag.Lookup("sign")
		if v.Field(k).String() != "" && signTag == "1" {
			data = append(data, jsonTag+"="+v.Field(k).String())
		}
	}
	return data
}

// ToStringSlice 转化为stirng切片切片
func (this *YiLIanFuRes) ToStringSlice() StringList {
	t := reflect.TypeOf(*this)
	v := reflect.ValueOf(*this)
	data := make([]string, 0, t.NumField())
	for k := 0; k < t.NumField(); k++ {
		jsonTag, _ := t.Field(k).Tag.Lookup("json")
		signTag, _ := t.Field(k).Tag.Lookup("sign")
		if v.Field(k).String() != "" && signTag == "1" {
			data = append(data, jsonTag+"="+v.Field(k).String())
		}
	}
	return data
}

// ToStringSlice 转化为stirng切片切片
func (this *YiLIanFuData) ToStringSlice() StringList {
	t := reflect.TypeOf(*this)
	v := reflect.ValueOf(*this)
	data := make([]string, 0, t.NumField())
	for k := 0; k < t.NumField(); k++ {
		jsonTag, _ := t.Field(k).Tag.Lookup("json")
		signTag, _ := t.Field(k).Tag.Lookup("sign")
		if v.Field(k).String() != "" && signTag == "1" {
			data = append(data, jsonTag+"="+v.Field(k).String())
		}
	}
	return data
}

// GetBody 获取请求body
func (this *YiLIanFu) GetBody() interface{} {
	m := make(map[string]string)
	jsonStr, err := json.Marshal(this)
	if err != nil {
		log.Info(fmt.Sprintf("YiLIanFu GetBody json.Marshal is fail error:%+v/data:%+v", err, this))
	}
	sstr := string(jsonStr)
	_ = json.Unmarshal(jsonStr, &m)
	log.Info(fmt.Sprintf("YiLIanFu topay json data :%+v", sstr))
	return m
}

// GetHeader 获取请求头信息
func (this *YiLIanFu) GetHeader() map[string]string {
	header := make(map[string]string, 0)
	return header
}

// GetURL 获取请求地址
func (*YiLIanFu) GetURL() string {
	return yc.ExeUrl
}

// GetQueryURL 获取请求地址
func (*YiLIanFu) GetQueryURL() string {
	return yc.QueryUrl
}

// GetCallBackURL 获取回掉函数
func (*YiLIanFu) GetNotifyURL() string {
	if appg.Conf != nil {
		return appg.Conf.URL.LocalWebUrl + yc.NotifyUrl
	}
	return webg.Conf.URL.LocalAppUrl + yc.NotifyUrl
}

// GetCallBackURL 获取回掉函数
func (*YiLIanFu) GetCallBackURL() string {
	return yc.CallbackURL
}

// GetMercID 获取商户编号
func (*YiLIanFu) GetMercID() string {
	return yc.MercID
}

// GetAppSecret 获取app签名密钥
func (*YiLIanFu) GetAppSecret() string {
	return yc.AppSecret
}