package rchgutil

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

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

var ic = config{
	MercID:         "11880027",
	AppSecret:      "3e3d4c82f1c4aa125a899d1d2daaf999",
	ExeUrl:         "http://api.kkpay.online:9898/cgi-bin/cashier.do",
	QueryUrl:       "https://inter.jxjssm.com/api/rechg/order/queryOrder",
	LowAndUpperURL: "https://inter.jxjssm.com/api/rechg/lowerAndUpper",
	NotifyUrl:      "/3rd/defray/callback/izhifu",
	CallbackURL:    "/refuse",
}

const IZhiFuSuccess = 1001

// IZhiFu 充值订单请求体
type IZhiFu struct {
	MercID        int64  `json:"partner_id" sign:"1"`      //商户编号
	Channel       int    `json:"channel_id" sign:"1"`      //渠道编号
	PayMethod     string `json:"pay_method" sign:"1"`      // 支付类型
	TradeNo       string `json:"partner_order" sign:"1"`   //商户订单号
	UID           string `json:"user_id" sign:"1"`         //用户id
	Money         int64  `json:"total_fee"  sign:"1"`      // 充值⾦额
	CallbackUrl   string `json:"back_url" sign:"1"`        //支付成功后的跳转地址
	NotifyURL     string `json:"notify_url" sign:"1"`      // 回调地址
	PayextraParam string `json:"payextra_param" sign:"1"`  // 扩展参数
	UserIP        string `json:"exter_invoke_ip" sign:"1"` //用户ip
	SignType      string `json:"sign_type" sign:"1"`       //签名类型
	Sign          string `json:"sign" `                    // 签名
	Type          string `json:"type" `
	PayFormat     string `json:"pay_format"` //参数类型
}

// IZhiFuRes 回调函数参数model
type IZhiFuRes struct {
	MercID    int64  `json:"partner_id" form:"partner_id" sign:"1"`       //商户编号
	ChannelID int    `json:"channel_id" form:"channel_id" sign:"1"`       //渠道编号
	TradeNo   string `json:"partner_order" form:"partner_order" sign:"1"` //商户订单号
	OID       string `json:"order_id" form:"order_id" sign:"1"`           //支付平台订单号
	UID       string `json:"user_id" form:"user_id" sign:"1"`             //用户id
	Money     int64  `json:"total_fee" form:"total_fee" sign:"1"`         //订单金额
	PayMoney  int64  `json:"real_money" form:"real_money"`                //订单到账实际金额
	PayTime   string `json:"success_time" form:"success_time" sign:"1"`   //交易时间
	Code      int    `json:"code" form:"code" sign:"1"`
	Sign      string `json:"sign" form:"sign"` //签名
}

type IzhifuMsgData struct {
	PayURL    string `json:"payurl"`        //支付地址
	ChannelID string `json:"channel_id"`    //聚到编号
	MercID    string `json:"partner_id"`    //商户编号
	TradeNo   string `json:"partner_order"` //商户订单号
	OID       string `json:"order_id"`      //支付平台订单号
	UID       string `json:"user_id"`       //用户ID
	Money     string `json:"total_fee"`     //订单金额
	PayMoney  string `json:"real_money"`    //实收金额
	PayTime   string `json:"success_time"`  //支付时间
}

type msgModel struct {
	Code int           `json:"code"`
	Data IzhifuMsgData `json:"data"`
	Msg  string        `json:"msg"`
}

// ToPay 支付发起
func (this *IZhiFu) ToPay() (payUrl string, err error) {
	var errlog string
	this.Fill()
	var msg msgModel
	code, err := httputil.DefaultClientPostWithRespWithProxy(appg.ProxyCfg, &msg, this.GetURL(), this.GetHeader(), this.GetBody())
	if err != nil {
		errlog = fmt.Sprintf("izhifu ToPay Http.PostJson fail error:%+v/,data:%+v;", err, this)
		log.Error(errlog)
		err = errors.New(errlog)
		return
	}
	if code != http.StatusOK {
		errlog = fmt.Sprintf("izhifu ToPay Http.PostJson fail error:%+v/,data:%+v;", err, code)
		log.Error(errlog)
		err = errors.New(errlog)
		return
	}
	if msg.Code != IZhiFuSuccess {
		errlog = fmt.Sprintf("izhifu topay response err :%+v:", msg)
		err = errors.New(errlog)
		log.Error(errlog)
		return
	}
	payUrl = msg.Data.PayURL
	return
}

// QueryOrder 订单状态查询发起
func (this *IZhiFuRes) QueryOrder() (payTime time.Time, err error) {
	msg := msgModel{}
	body := make(map[string]string)
	body["partner_id"] = ic.MercID
	body["partner_order"] = this.TradeNo
	body["sign"] = md5Sign("partner_id=" + ic.MercID + "&partner_order=" + this.TradeNo + "&key=" + ic.AppSecret)
	code, err := httputil.DefaultClientPostWithRespWithProxy(webg.ProxyCfg, &msg, ic.QueryUrl, nil, body)
	if err != nil || code != 200 {
		log.Error(fmt.Sprintf("izhifu QueryOrder http.Get fail error:%+v:", err))
		return
	}
	if msg.Code != IZhiFuSuccess {
		err = errors.New("izhifu QueryOrder fail")
		log.Error(fmt.Sprintf("izhifu QueryOrder http.Get fail error:%+v:", msg))
		return
	}
	loc, _ := time.LoadLocation("Local")
	payTime, err = time.ParseInLocation("2006-01-02 15:04:05", msg.Data.PayTime, loc)
	return
}

// Fill 补全配置信息和签名信息
func (this *IZhiFu) Fill() {
	this.MercID = this.GetMercID()
	this.NotifyURL = this.GetNotifyURL()
	this.CallbackUrl = this.GetCallBackURL()
	if this.UserIP == "" {
		this.UserIP = genIpaddr()
	}
	channel, _ := strconv.ParseInt(this.PayMethod, 10, 64)
	this.Channel = int(channel)
	this.SignType = "MD5"
	this.PayFormat = "json"
	this.Sign = this.sign()
}

// sign 签名
func (this *IZhiFu) sign() (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("&key=")
	buf.WriteString(this.GetAppSecret())
	log.Info(fmt.Sprintf("Izhifu topay sign :%s", buf.String()))
	return md5Sign(buf.String())
}

// sign 签名
func (this *IZhiFuRes) ToSign() string {
	var buf bytes.Buffer
	t := reflect.TypeOf(*this)
	v := reflect.ValueOf(*this)
	for k := 0; k < v.NumField(); k++ {
		jsonTag, _ := t.Field(k).Tag.Lookup("json")
		signTag, _ := t.Field(k).Tag.Lookup("sign")
		fv := v.Field(k)
		if signTag == "1" {
			if k != 0 {
				buf.WriteString("&")
			}
			buf.WriteString(jsonTag)
			buf.WriteString("=")
			switch fv.Kind() {
			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
				buf.WriteString(strconv.FormatInt(v.Field(k).Int(), 10))
			case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
				buf.WriteString(strconv.FormatUint(v.Field(k).Uint(), 10))
			case reflect.String:
				buf.WriteString(v.Field(k).String())
			}
		}
	}
	buf.WriteString("&key=")
	buf.WriteString(ic.AppSecret)
	log.Info(fmt.Sprintf("Izhifu callback sign:%s", buf.String()))
	return md5Sign(buf.String())
}

// ToStringSlice 转化为stirng切片切片
func (this *IZhiFu) 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")
		fv := v.Field(k).Type()
		if signTag == "1" {
			switch fv.Kind() {
			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
				data = append(data, jsonTag+"="+strconv.FormatInt(v.Field(k).Int(), 10))
			case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
				data = append(data, jsonTag+"="+strconv.FormatUint(v.Field(k).Uint(), 10))
			case reflect.String:
				data = append(data, jsonTag+"="+v.Field(k).String())
			}
		}
	}
	return data
}

// GetBody 获取请求body
func (this *IZhiFu) GetBody() interface{} {
	jsonStr, err := json.Marshal(this)
	if err != nil {
		log.Info(fmt.Sprintf("IZhiFu GetBody json.Marshal is fail error:%+v/data:%+v", err, this))
	}
	log.Info(fmt.Sprintf("==================%+v", string(jsonStr)))
	return jsonStr
}

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

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

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

// GetLowAndUpperURL 获取请求地址
func (*IZhiFu) GetLowAndUpperURL() string {
	return ic.LowAndUpperURL
}

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

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

// GetMercID 获取商户编号
func (*IZhiFu) GetMercID() int64 {
	m, _ := strconv.ParseInt(ic.MercID, 10, 64)
	return m
}

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