package pay

import (
	"crypto"
	"crypto/rand"
	"crypto/rsa"
	"crypto/sha256"
	"crypto/x509"
	"encoding/base64"
	"encoding/pem"
	"errors"
	"fmt"
	"hash"
	"log"
	"strings"
	"sync"
	"time"

	config "bp.jydev.jianyu360.cn/BaseService/payCenter/entity"

	// "util"

	qutil "app.yhyue.com/moapp/jybase/common"
)

/*
数据库字段   | 页面dotype
-----------------------
vip订阅     | subvip
企业商机管理 | entniche
历史数据	   | dataexport
招投标课程   | course
数据报告     | datareport
中标必听课     | onlineCourse
大会员      |  member
AI中标预测包 |  aiForecastPack
招标文件解读 |  bidfile
*/

var (
	vipMap = map[string]string{
		"wx_js":   WX_SUBVIP_JSAPI,
		"wx_app":  WX_SUBVIP_APP,
		"wx_pc":   WX_SUBVIP_NATIVE,
		"ali_app": ALI_SUBVIP_APP,
		"ali_pc":  ALI_SUBVIP_NATIVE,
	}
	entnicheMap = map[string]string{
		"wx_app":  WX_ENTNICHE_APP,
		"wx_pc":   WX_ENTNICHE_NATIVE,
		"ali_app": ALI_ENTNICHE_APP,
		"ali_pc":  ALI_ENTNICHE_NATIVE,
		//"wx_js":   "",
	}
	dataexportMap = map[string]string{
		"wx_js":   WX_DATAEXPORT_JSAPI,
		"wx_app":  WX_DATAEXPORT_APP,
		"wx_pc":   WX_DATAEXPORT_NATIVE,
		"ali_app": ALI_DATAEXPORT_APP,
		"ali_pc":  ALI_DATAEXPORT_NATIVE,
	}
	courseMap = map[string]string{
		"wx_js":   WX_COURSE_JSAPI,
		"wx_app":  WX_COURSE_APP,
		"wx_pc":   WX_COURSE_NATIVE,
		"ali_app": ALI_COURSE_APP,
		"ali_pc":  ALI_COURSE_NATIVE,
	}
	datareportMap = map[string]string{
		"wx_js":   WX_DATAREPORT_JSAPI,
		"wx_app":  WX_DATAREPORT_APP,
		"wx_pc":   WX_DATAREPORT_NATIVE,
		"ali_app": ALI_DATAREPORT_APP,
		"ali_pc":  ALI_DATAREPORT_NATIVE,
	}
	onlineCourseMap = map[string]string{
		"wx_js":   WX_COURSEONLINE_JSAPI,
		"wx_app":  WX_COURSEONLINE_APP,
		"wx_pc":   WX_COURSEONLINE_NATIVE,
		"ali_app": ALI_COURSEONLINE_APP,
		"ali_pc":  ALI_COURSEONLINE_NATIVE,
	}
	//大会员
	memberMap = map[string]string{
		"wx_js":   WX_MEMBER_JSAPI,
		"wx_app":  WX_MEMBER_APP,
		"wx_pc":   WX_MEMBER_NATIVE,
		"ali_app": ALI_MEMBER_APP,
		"ali_pc":  ALI_MEMBER_NATIVE,
	}
	//AI中标预测包
	aiForecastPackMap = map[string]string{
		"wx_js":   WX_AIFORECASTPACK_JSAPI,
		"wx_app":  WX_AIFORECASTPACK_APP,
		"wx_pc":   WX_AIFORECASTPACK_NATIVE,
		"ali_app": ALI_AIFORECASTPACK_APP,
		"ali_pc":  ALI_AIFORECASTPACK_NATIVE,
	}
	bifileMap = map[string]string{
		"wx_js":   WX_BIDFILE_JSAPI,
		"wx_app":  WX_BIDFILE_APP,
		"wx_pc":   WX_BIDFILE_NATIVE,
		"ali_app": ALI_BIDFILE_APP,
		"ali_pc":  ALI_BIDFILE_NATIVE,
	}
	//剑鱼币
	integralMap = map[string]string{
		"wx_js":   WX_INTEGRAL_JSAPI,
		"wx_app":  WX_INTEGRAL_APP,
		"wx_pc":   WX_INTEGRAL_NATIVE,
		"ali_app": ALI_INTEGRAL_APP,
		"ali_pc":  ALI_INTEGRAL_NATIVE,
	}
	//数据流量包
	dataPackMap = map[string]string{
		"wx_js":   WX_DATAPACK_JSAIP,
		"wx_app":  WX_DATAPACK_APP,
		"wx_pc":   WX_DATAPACK_NATIVE,
		"ali_app": ALI_DATAPACK_APP,
		"ali_pc":  ALI_DATAPACK_NATIVE,
	}
	//省份订阅包
	areaPackMap = map[string]string{
		"wx_js":   WX_AREAPACK_JSAPI,
		"wx_app":  WX_AREAPACK_APP,
		"wx_pc":   WX_AREAPACK_NATIVE,
		"ali_app": ALI_AREAPACK_APP,
		"ali_pc":  ALI_AREAPACK_NATIVE,
	}
	//附件下载包
	filePackMap = map[string]string{
		"wx_js":   WX_FILEPACK_JSAPI,
		"wx_app":  WX_FILEPACK_APP,
		"wx_pc":   WX_FILEPACK_NATIVE,
		"ali_app": ALI_FILEPACK_APP,
		"ali_pc":  ALI_FILEPACK_NATIVE,
	}
	//采购单位画像包
	buyerPortraitPackMap = map[string]string{
		"wx_js":   WX_BUYERPORTRAITPACK_JSAPI,
		"wx_app":  WX_BUYERPORTRAITPACK_APP,
		"wx_pc":   WX_BUYERPORTRAITPACK_NATIVE,
		"ali_app": ALI_BUYERPORTRAITPACK_APP,
		"ali_pc":  ALI_BUYERPORTRAITPACK_NATIVE,
	}

	PayWayAndSign = map[string]map[string]string{
		"subvip":            vipMap,
		"entniche":          entnicheMap,
		"dataexport":        dataexportMap,
		"course":            courseMap,
		"datareport":        datareportMap,
		"onlineCourse":      onlineCourseMap,
		"member":            memberMap,
		"aiForecastPack":    aiForecastPackMap,
		"bidfile":           bifileMap,
		"integral":          integralMap,
		"areaPack":          areaPackMap,
		"filePack":          filePackMap,
		"buyerPortraitPack": buyerPortraitPackMap,
		"VIP订阅":             vipMap,
		"企业商机管理":            entnicheMap,
		"历史数据":              dataexportMap,
		"招投标课程":             courseMap,
		"数据报告":              datareportMap,
		"中标必听课":             onlineCourseMap,
		"大会员":               memberMap,
		"大会员-AI中标预测包":       aiForecastPackMap,
		"招标文件解读":            bifileMap,
		"大会员-招标文件解读":        bifileMap,
		"剑鱼币":               integralMap,
		"数据流量包":             dataPackMap,
		"省份订阅包":             areaPackMap,
		"附件下载包":             filePackMap,
		"采购单位画像包":           buyerPortraitPackMap,
	}
	varOrderCode *orderCode

	ProductType = map[string]string{
		"subvip":         "VIP订阅",
		"entniche":       "企业商机管理",
		"dataexport":     "历史数据",
		"datareport":     "数据报告",
		"onlineCourse":   "中标必听课",
		"member":         "大会员",
		"aiForecastPack": "大会员-AI中标预测包",
		"integral":       "剑鱼币",
		"dataPack":       "数据流量包",
		"areaPack":       "省份订阅包",
		"filePack":       "附件下载包",
	}
)

type orderCode struct {
	pool chan string
	all  *sync.Map
	lock *sync.Mutex
}

func (o *orderCode) gc() {
	varOrderCode.all.Range(func(key, value interface{}) bool {
		if time.Now().Day() != value.(int) {
			varOrderCode.all.Delete(key)
		}
		return true
	})
	time.AfterFunc(24*time.Hour, o.gc)
}
func init() {
	varOrderCode = &orderCode{
		pool: make(chan string, 20),
		all:  &sync.Map{},
		lock: &sync.Mutex{},
	}
	varOrderCode.gc()
	for i := 0; i < 10; i++ {
		go func() {
			varOrderCode.lock.Lock()
			defer varOrderCode.lock.Unlock()
			for {
				o := fmt.Sprintf("%d%s", time.Now().Unix()+900000000, qutil.GetRandom(2))
				if _, ok := varOrderCode.all.Load(o); ok {
					continue
				}
				varOrderCode.all.Store(o, time.Now().Day())
				varOrderCode.pool <- o
			}
		}()
	}
}

/*
公共创建订单
price 价格
productSign 产品种类标识
ip 用户ip（仅微信支付需要）
openid 用户openid（仅微信支付需要）
payWay 支付方式
*/
func CreateOrderPay(price int, productSign, ip, openid, payWay string) (tradeno, prepayid, payParam string, err error) {
	switch payWay {
	case "wx_js", "wx_app", "wx_pc": //微信公众号支付，微信app支付,微信扫码支付
		var ret *map[string]string
		tradeno, ret = WxStruct.CreatePrepayOrder(productSign, ip, openid, "", price)
		log.Println(tradeno, ret)
		if ret == nil {
			err = errors.New("创建异常")
			return
		}
		if (*ret)["status"] != "1" {
			errMsg := "创建微信订单出错"
			if (*ret)["errcodedes"] != "" {
				errMsg = (*ret)["errcodedes"]
			} else if (*ret)["errcode"] != "" {
				errMsg = (*ret)["errcode"]
			}
			err = errors.New(errMsg)
			return
		}
		prepayid = qutil.ObjToString((*ret)["prepayid"])
		if payWay == "wx_js" {
			payParam = WxStruct.GetWxjsPaySign(prepayid)
		} else if payWay == "wx_app" {
			payParam = WxStruct.GetAppWxPayStr(prepayid)
		} else if payWay == "wx_pc" {
			payParam = (*ret)["codeurl"]
		}
	case "ali_app", "ali_pc": //支付宝app支付,支付宝扫码支付
		payParam, tradeno, err = Alipay.GetOrderPayParam(qutil.Float64All(price), productSign)
		if err != nil {
			err = errors.New("创建支付宝订单出错")
			return
		}
	}
	return
}

//创建订单号
func GetOrderCode(id ...string) string {
	//2020-08-01之前的规则 fmt.Sprintf("%s%s", time.Now().Format("150405"), qutil.GetRandom(6))
	return <-varOrderCode.pool
}

//关闭订单
func CloseDataExportOrder(payWay, tradeno, prepayTime string) (status bool) {
	//如果订单超时 则不用关闭订单
	t, err := time.ParseInLocation("2006-01-02 15:04:05", prepayTime, time.Local)
	if err == nil {
		if t.Add(time.Hour * 2).Before(time.Now()) {
			return true
		}
	}
	//没有选择支付方式或者是测试数据
	if payWay == "" || payWay == "测试使用" || payWay == "transferAccounts" || tradeno == "" {
		return true
	}
	log.Printf("%s取消订单，订单号%s\n", payWay, tradeno)
	if strings.HasPrefix(payWay, "ali_") {
		status = Alipay.CloseOrder(tradeno)
	} else if strings.HasPrefix(payWay, "wx_") {
		status = WxStruct.CloseOrder(tradeno, payWay)
	}
	if !status {
		log.Printf("%s订单关闭失败：%s\n", payWay, tradeno)
	}
	return status
}

//加载秘钥
func parsePrivateKey(key string) (*rsa.PrivateKey, error) {
	block, _ := pem.Decode([]byte(key))
	if block == nil {
		return nil, errors.New("私钥格式不正确")
	}
	if strings.ToUpper(block.Type) != "RSA PRIVATE KEY" {
		return nil, errors.New("私钥类型不正确" + block.Type)
	}
	rsaPrivateKey, err := x509.ParsePKCS8PrivateKey(block.Bytes)
	if err != nil {
		return nil, err
	}
	return rsaPrivateKey.(*rsa.PrivateKey), nil
}

//加载支付宝后台公钥
func parseAliPayPublicKey(key string) (*rsa.PublicKey, error) {
	publicKeyDecoded, err := base64.StdEncoding.DecodeString(key)
	if err != nil {
		return nil, err
	}
	pub, err := x509.ParsePKIXPublicKey(publicKeyDecoded)
	if err != nil {
		return nil, err
	}
	if pub, ok := pub.(*rsa.PublicKey); ok {
		return pub, nil
	}
	return nil, errors.New("rsa.PublicKey 断言出错")
}

//生成加密token
func (a *aliPayStruct) getSign(data []byte) (signature string, err error) {
	var h hash.Hash
	var hType crypto.Hash
	h = sha256.New()
	hType = crypto.SHA256
	//}
	h.Write(data)
	d := h.Sum(nil)
	bs, err := rsa.SignPKCS1v15(rand.Reader, a.PrivateKey, hType, d)

	if err != nil {
		return "", err
	}
	signature = base64.StdEncoding.EncodeToString(bs)
	return
}

//处理商户订单号
func processTradeno(tradeno string) string {
	devTradenoSign := qutil.ObjToString(config.PayConf["devTradenoSign"])
	if devTradenoSign != "" {
		tradeno = devTradenoSign + tradeno
		tradeno = string([]rune(tradeno)[:len([]rune(tradeno))-len([]rune(devTradenoSign))])
	}
	return tradeno
}