package pay

import (
	"crypto"
	"crypto/rand"
	"crypto/rsa"
	"crypto/sha256"
	"crypto/x509"
	"encoding/base64"
	"encoding/json"
	"encoding/pem"
	"errors"
	"fmt"
	"github.com/astaxie/beego/httplib"
	rand2 "math/rand"
	"strings"
	"system_pay/models"
	"time"
)

func RandomString(n int) string {
	var letters = []byte("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")
	result := make([]byte, n)
	rand2.Seed(time.Now().Unix())
	for i := range result {
		result[i] = letters[rand2.Intn(len(letters))]
	}
	return string(result)
}

// 拉卡拉支付
func UnifiedOrder(input *models.PlaceAnOrderParamInput) (interface{}, error) {

	//if input.ChainCode=="" || input.HospitalCode=="" || input.VendorId=="" || seller_id=="" {
	//	return nil, errors.New("输入项为空")
	//}

	//db, err := mysql.NewShopConn()
	//if err != nil {
	//	return nil, err
	//}
	//rtn := make(map[string]string)

	data := make(map[string]interface{})
	data["req_time"] = "20220714160009"
	data["version"] = "3.0"
	data["out_org_code"] = "OP00000003"

	//"out_order_no": "KFPT20220714160009228907288",
	//	"merchant_no": "8222900701106PZ",
	//	"vpos_id": "587305941625155584",
	//	"channel_id": "2021052614391",
	//	"total_amount": "1",
	//	"busi_mode": "PAY",
	//	"order_efficient_time": "20220714170009",
	//	"notify_url": "http://run.mocky.io/v3/b02c9448-20a2-4ff6-a678-38ecab30161d",
	//	"support_cancel": "0",
	//	"support_refund": "1",
	//	"support_repeat_pay": "1",
	//	"busi_type_param": "[{\"busi_type\":\"UPCARD\",\"params\":{\"crd_flg\":\"CRDFLG_D|CRDFLG_C|CRDFLG_OTH\"}},{\"busi_type\":\"SCPAY\",\"params\":{\"pay_mode\":\"WECHAT\",\"crd_flg\":\"CRDFLG_D\"}}]",
	//	"counter_param": "{\"pay_mode\":\"ALIPAY\"}",
	//	"out_user_id": "",
	//	"order_info": "自动化测试",
	//	"extend_info": "自动化测试",
	//	"callback_url": ""

	data2 := make(map[string]interface{})
	//data2["out_trade_no"] = "FD660E1FAA3A4470933CDEDAE1EC1DUU"
	data2["out_trade_no"] = RandomString(32)
	data2["merchant_no"] = "822290070111135"
	data2["term_no"] = "29034705"
	//data2["merchant_no"] = "8222900581201QB"
	//data2["term_no"] = "D0027598"

	data2["auth_code"] = "135178236713755038"
	data2["total_amount"] = "123"
	//data2["out_order_no"] = "08F4542EEC6A4497BC419161747A92UU"
	data2["out_order_no"] = RandomString(32)
	data2["order_efficient_time"] = "20230620130000" //订单有效期 格式yyyyMMddHHmmss,最大支持下单时间+2天

	data2["notify_url"] = input.NoticeURL //订单支付成功后商户接收订单通知的地址 http://xxx.xxx.com
	data2["callback_url"] = input.ReturnURL //客户端下单完成支付后返回的商户网页跳转地址
	data2["order_info"] = "必康测试订单标题" //订单标题，在使用收银台扫码支付时必输入，交易时送往账户端
	//data2["goods_mark"] = input.AttachInfo //商品信息标识 （1:含商品信息，不填默认不含商品信息）

	data["req_data"] = make(map[string]interface{})
	data["req_data"] = data2

	//data3 := make(map[string]interface{})
	//data3["request_ip"] = "10.176.1.192"
	//data3["location"] = "+37.123456789,-121.123456789"
	//data2["location_info"] = make(map[string]inteace{})
	//data2["location_info"] = data3

	//data2["out_order_no"] = input.AttachInfo //商户订单号
	//data2["total_amount"] = input.AttachInfo //订单金额，单位：分
	//data2["order_efficient_time"] = input.AttachInfo //订单有效期 格式yyyyMMddHHmmss,最大支持下单时间+2天
	//
	//data2["notify_url"] = input.AttachInfo //订单支付成功后商户接收订单通知的地址 http://xxx.xxx.com
	//data2["callback_url"] = input.AttachInfo //商户订单号
	//data2["order_info"] = input.AttachInfo //订单标题，在使用收银台扫码支付时必输入，交易时送往账户端
	//data2["goods_mark"] = input.AttachInfo //商品信息标识 （1:含商品信息，不填默认不含商品信息）

	//var data model.LakalaParamInput
	//data.Version = "3.0"
	//data.ReqTime = "20220714160009"
	//
	//data.ReqData.OutOrderNo = input.AttachInfo //商户订单号
	////data.ReqData.MerchantNo =  //银联商户号
	//data.ReqData.TotalAmount = input.GoodsPrice //订单金额，单位：分
	////data.ReqData.OrderEfficientTime =  //订单有效期 格式yyyyMMddHHmmss,最大支持下单时间+2天
	//
	//data.ReqData.NotifyUrl = input.NoticeURL //订单支付成功后商户接收订单通知的地址 http://xxx.xxx.com
	//data.ReqData.CallbackUrl = input.ReturnURL //客户端下单完成支付后返回的商户网页跳转地址
	////data.ReqData.OrderInfo = input.OrderId //订单标题，在使用收银台扫码支付时必输入，交易时送往账户端
	//data.ReqData.GoodsMark = input.GoodsDes //商品信息标识 （1:含商品信息，不填默认不含商品信息）
	//数据重组 - end

	////var data = input.ReqData
	//fmt.Println(111)
	fmt.Println("拉卡拉输入参数")
	fmt.Println(data)

	data_json, err := json.Marshal(data)
	if err != nil {
		//this.Data["json"] = utils.CheckError(errors.New("Map转化为byte数组失败"),"异常")
		//this.ServeJSON()
		return nil, err
	}

	//url := "https://test.wsmsd.cn/sit/api/v3/labs/trans/preorder" //聚合主扫url
	//url := "https://test.wsmsd.cn/sit/api/v3/labs/trans/micropay" //聚合被扫url
	url := "https://test.wsmsd.cn/sit/api/v3/ccss/counter/order/create" //拉卡拉收银台订单创建url

	//调拉卡拉接口
	err, m_web_url := lakala_post(url, data_json)
	if err != nil {
		//this.Data["json"] = utils.CheckError(err,"拉卡拉错误")
		//this.ServeJSON()
		return nil, err
	}

	response := make(map[string]string)
	response["m_web_url"] = m_web_url

	//this.Data["json"] = utils.SuccessLakala(response)
	//this.ServeJSON()

	//rtn["token"] = token
	//rtn["user_id"] = seller_id
	//rtn["user_name"] = seller_name
	return response, nil

	//1.校验供应商账号(手机号)是否已注册
	//err = db.QueryRow(`SELECT user_name, phone_mob, available, steps
	//		FROM ecm_member WHERE user_type=2 AND user_id=? LIMIT 1`,
	//	seller_id).Scan(&seller_name, &phone_mob, &available, &steps)
	//if err != nil && err != sql.ErrNoRows {
	//	return nil, err
	//}

	//2.获取医院Id
	//var buyer_id string
	//err = db.QueryRow(`SELECT user_id FROM ecm_member WHERE user_type=1 AND chain_code=? AND hospital_code=? LIMIT 1`,
	//	input.ChainCode, input.HospitalCode).Scan(&buyer_id)
	//if err != nil && err != sql.ErrNoRows {
	//	return nil, err
	//}
	//if (buyer_id=="") {
	//	return nil, errors.New("未绑定,请先绑定谛宝医院")
	//}
	//
	////3.谛宝医生与供应商已绑定校验
	//var seller_id2 string
	//err = db.QueryRow(`SELECT mc.seller_id FROM ecm_member_cross mc
	//	LEFT JOIN ecm_member m ON mc.seller_id=m.user_id WHERE buyer_id=? AND vendor_id=?`,
	//	buyer_id, input.VendorId).Scan(&seller_id2)
	//if err != nil && err != sql.ErrNoRows {
	//	return "", err
	//}
	//
	////3.1已绑定其它账号
	//if seller_id2!="" && seller_id2!=seller_id {
	//	return nil, errors.New("已绑定其它账号,请勿重复绑定")
	//}
	//
	////3.2已绑定，返回token，完成登录
	//if seller_id2==seller_id {
	//	//token, err := utils.GetToken(phone_mob, seller_id, seller_name)
	//	//if err != nil {
	//	//	return "", err
	//	//}
	//	//
	//	//rtn["token"] = token
	//	//rtn["user_id"] = seller_id
	//	////rtn["user_name"] = seller_name
	//	return nil, nil
	//	//return nil, errors.New("已绑定该账号,请勿重复绑定")
	//}
	////fmt.Println(buyer_id)
	////fmt.Println(seller_id)
	////fmt.Println(input.VendorId)
	//
	//var vendor_id string
	//err = db.QueryRow(`SELECT vendor_id FROM ecm_member_cross mc
	//	LEFT JOIN ecm_member m ON mc.seller_id=m.user_id WHERE buyer_id=? AND seller_id=?`,
	//	buyer_id, seller_id).Scan(&vendor_id)
	//if err != nil && err != sql.ErrNoRows {
	//	return "", err
	//}
	//
	//if vendor_id!="" && vendor_id!=input.VendorId {
	//	//3.3更新绑定
	//	//sql := "UPDATE ecm_member_cross SET " +
	//	//	"vendor_id='" +  input.VendorId + "' " +
	//	//	"WHERE buyer_id=? AND seller_id=?"
	//	//_, err = db.Exec(sql, buyer_id, seller_id)
	//	//if err != nil {
	//	//	return nil, err
	//	//}
	//	return nil, errors.New("已绑定其它账号,请勿重复绑定")
	//}
	//
	////3.4添加绑定
	//exec, err := db.Exec(`INSERT INTO ecm_member_cross (buyer_id, seller_id, vendor_id) VALUES (?,?,?)`,
	//	buyer_id, seller_id, input.VendorId)
	//_, err = exec, err
	//if err != nil {
	//	return nil, err
	//}


	//3.4绑定完成，返回token，完成登录
	//token, err := utils.GetToken(phone_mob, seller_id, seller_name)
	//if err != nil {
	//	return "", err
	//}

	//rtn["token"] = token
	//rtn["user_id"] = seller_id
	//rtn["user_name"] = seller_name
	//return nil, nil
}

func UnifiedOrder2(input *models.PlaceAnOrderParamInput) (interface{}, error) {

	//Params
	//var input model.PlaceAnOrderParamInput
	//if err := json.Unmarshal(this.Ctx.Input.RequestBody, &input); err != nil {
	//	this.Data["json"] = utils.CheckError(err, "")
	//	this.ServeJSON()
	//	return
	//	//this.Data["json"] = utils.CheckError(errors.New(languages.ParamsError), languages.SystemError)
	//	//this.ServeJSON()
	//	//return
	//}
	//
	////validate
	//if err := input.ValidPlaceAnOrderParamInput(); err != nil {
	//	this.Data["json"] = utils.CheckError(err,"")
	//	this.ServeJSON()
	//	return
	//}

	//if input.PayType==1 {
	//
	//}

	data := make(map[string]interface{})
	data["req_time"] = "20220714160009"
	data["version"] = "3.0"
	data["out_org_code"] = "OP00000003"

	data2 := make(map[string]interface{})
	data2["merchant_no"] = "822290070111135"
	data2["term_no"] = "29034705"
	//data2["out_trade_no"] = "FD660E1FAA3A4470933CDEDAE1EC1D8E"
	data2["out_trade_no"] = "FD660E1FAA3A4470933CDEDAE1EC1D8E"
	data2["auth_code"] = "135178236713755038"
	data2["total_amount"] = "123"
	//data2["out_order_no"] = "08F4542EEC6A4497BC419161747A92FA"
	data2["out_order_no"] = "08F4542EEC6A4497BC419161747A92FA"
	data["req_data"] = make(map[string]interface{})
	data["req_data"] = data2

	data3 := make(map[string]interface{})
	data3["request_ip"] = "10.176.1.192"
	data3["location"] = "+37.123456789,-121.123456789"
	data2["location_info"] = make(map[string]interface{})
	data2["location_info"] = data3

	//data2["out_order_no"] = input.AttachInfo //商户订单号
	//data2["total_amount"] = input.AttachInfo //订单金额，单位：分
	//data2["order_efficient_time"] = input.AttachInfo //订单有效期 格式yyyyMMddHHmmss,最大支持下单时间+2天

	//data2["notify_url"] = input.AttachInfo //订单支付成功后商户接收订单通知的地址 http://xxx.xxx.com
	//data2["callback_url"] = input.AttachInfo //商户订单号
	//data2["order_info"] = input.AttachInfo //订单标题，在使用收银台扫码支付时必输入，交易时送往账户端
	//data2["goods_mark"] = input.AttachInfo //商品信息标识 （1:含商品信息，不填默认不含商品信息）

	//var data model.LakalaParamInput
	//data.Version = "3.0"
	//data.ReqTime = "20220714160009"

	//data.ReqData.OutOrderNo = input.AttachInfo //商户订单号
	////data.ReqData.MerchantNo =  //银联商户号
	//data.ReqData.TotalAmount = input.GoodsPrice //订单金额，单位：分
	////data.ReqData.OrderEfficientTime =  //订单有效期 格式yyyyMMddHHmmss,最大支持下单时间+2天

	//data.ReqData.NotifyUrl = input.NoticeURL //订单支付成功后商户接收订单通知的地址 http://xxx.xxx.com
	//data.ReqData.CallbackUrl = input.ReturnURL //客户端下单完成支付后返回的商户网页跳转地址
	////data.ReqData.OrderInfo = input.OrderId //订单标题，在使用收银台扫码支付时必输入，交易时送往账户端
	//data.ReqData.GoodsMark = input.GoodsDes //商品信息标识 （1:含商品信息，不填默认不含商品信息）
	//数据重组 - end

	////var data = input.ReqData
	//fmt.Println(111)
	//fmt.Println(data)

	data_json, err := json.Marshal(data)
	if err != nil {
		//this.Data["json"] = utils.CheckError(errors.New("Map转化为byte数组失败"),"异常")
		//this.ServeJSON()
		return nil, err
	}

	//url := "https://test.wsmsd.cn/sit/api/v3/labs/trans/preorder" //聚合主扫url
	url := "https://test.wsmsd.cn/sit/api/v3/labs/trans/micropay" //聚合被扫url
	//url := "https://test.wsmsd.cn/sit/api/v3/ccss/counter/order/create" //拉卡拉收银台订单创建url

	//调拉卡拉接口
	err, _ = lakala_post(url, data_json)
	if err != nil {
		//this.Data["json"] = utils.CheckError(err,"拉卡拉错误")
		//this.ServeJSON()
		return nil, err
	}

	return nil, nil
	//response := make(map[string]string)
	//response["m_web_url"] = m_web_url

	//调拉卡拉接口
	//err = lakala_post(url, data_json)
	//if err != nil {
	//	this.Data["json"] = utils.CheckError(err,"拉卡拉错误")
	//	this.ServeJSON()
	//	return
	//}
	//
	//this.Data["json"] = utils.Success(nil)
	//this.ServeJSON()
}


func lakala_post(url string, data_json []byte) (error, string) {
	authorization, err := getAuthorization(string(data_json))
	if err != nil {
		return err, ""
	}


	fmt.Println(url)
	fmt.Println(authorization)

	req := httplib.Post(url)
	//req.Header("Authorization", "LKLAPI-SHA256withRSA appid=\"\", serial_no=\"\", timestamp=\"\", nonce_str=\"\", signature=\"2233\"")
	req.Header("Authorization", authorization)
	req.Header("Accept", "application/json")
	req.Header("Content-Type", "application/json")
	req.Body(data_json)
	body, err := req.Bytes()
	if err != nil {
		return err, ""
	}

	temp := make(map[string]interface{}, 0)

	if err = json.Unmarshal(body, &temp); err != nil {
		return err, ""
	}

	fmt.Println("拉卡拉返回值")
	fmt.Println(temp)
	//todo
	if temp["code"] != "000000" {
		//this.Data["json"] = utils.CheckError(errors.New("拉卡拉错误"), temp["msg"].(string))  //todo
		//this.ServeJSON()
		return errors.New(temp["msg"].(string)), ""
	}
	//return nil, temp["resp_data"]["counter_url"]

	temp2, _ := temp["resp_data"].(map[string]interface{})
	if temp2["counter_url"]=="" {
		fmt.Println(temp2)
		return errors.New("拉卡拉返回值「counter_url」为空错误"), ""
	}

	return nil, temp2["counter_url"].(string)
}

func getAuthorization(body string) (string, error) {
	appid := "OP00000003"
	mchSerialNo := "00dfba8194c41b84cf"
	//nonceStr := strconv.Itoa(rand.Intn(32)) // 构造随机数
	nonceStr := "12345678901234567890123456789012" // 构造随机数
	//timestamp := strconv.FormatInt(time.Now().Unix(), 10)
	timestamp := "1686808027"

	//String nonceStr = generateNonceStr();
	//long timestamp = generateTimestamp();

	message := appid + "\n" + mchSerialNo + "\n" + timestamp + "\n" + nonceStr + "\n" + body + "\n";

	//System.out.println("getToken message :  " + message);

	//PrivateKey merchantPrivateKey = loadPrivateKey(new FileInputStream(new File(merchantPrivateKeyPath)));

	//String signature = this.sign(message.getBytes(ENCODING), merchantPrivateKey);
	//privateRaw := "MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDokGGq7SlDoULN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\naL9Lho8+BUEFergUMjxUdvAS"
	//privateRaw := "MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDvDBZyHUDndAGx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\nQsFLQgFyXgvDnzr/o+hQJelW"
	//privateRaw := "-----BEGIN PRIVATE KEY-----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\nQsFLQgFyXgvDnzr/o+hQJelW\n-----END PRIVATE KEY-----";
	privateRaw := "MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDvDBZyHUDndAGx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\nQsFLQgFyXgvDnzr/o+hQJelW"
	//privateRaw := "-----BEGIN PRIVATE KEY-----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\nQsFLQgFyXgvDnzr/o+hQJelW\n-----END PRIVATE KEY-----"
	signature, err := Sha256WithRsa(privateRaw, message)
	if err != nil {
		return signature, err
	}
	//fmt.Println(777)
	//fmt.Println(signature)

	authorization := "LKLAPI-SHA256withRSA " + "appid=\"" + appid + "\"," + "serial_no=\"" + mchSerialNo + "\"," + "timestamp=\"" + timestamp + "\"," + "nonce_str=\"" + nonceStr + "\"," + "signature=\"" + signature + "\"";

	//System.out.println("authorization message :" + authorization);
	return authorization, nil
}

func Sha256WithRsa(privateRaw string, msg string) (string, error) {
	privateRaw = strings.Trim(privateRaw, "\n")
	if !strings.HasPrefix(privateRaw, "-----BEGIN RSA PRIVATE KEY-----") {
		privateRaw = fmt.Sprintf("%s\n%s\n%s", "-----BEGIN RSA PRIVATE KEY-----", privateRaw, "-----END RSA PRIVATE KEY-----")
	}

	//fmt.Println(888)
	//fmt.Println(privateRaw)
	blockPri, _ := pem.Decode([]byte(privateRaw))
	if blockPri == nil {
		return "", fmt.Errorf("blockPri is nil")
	}

	rsaPri, e := genPriKey(blockPri.Bytes, PKCS8)
	if e != nil {
		panic(e)
	}

	h := sha256.New()
	h.Write([]byte(msg))
	d := h.Sum(nil)

	signature, err := rsa.SignPKCS1v15(rand.Reader, rsaPri, crypto.SHA256, d)
	if err != nil {
		//return "", errorx.Wrap(err)
		return "", err
	}
	encodedSig := base64.StdEncoding.EncodeToString(signature)
	return encodedSig, nil
}

const (
	PKCS1 int64 = iota
	PKCS8
)

func genPriKey(privateKey []byte, privateKeyType int64) (*rsa.PrivateKey, error) {
	var priKey *rsa.PrivateKey
	var err error
	switch privateKeyType {
	case PKCS1:
		{
			priKey, err = x509.ParsePKCS1PrivateKey([]byte(privateKey))
			if err != nil {
				return nil, err
			}
		}
	case PKCS8:
		{
			prkI, err := x509.ParsePKCS8PrivateKey([]byte(privateKey))
			if err != nil {
				return nil, err
			}
			priKey = prkI.(*rsa.PrivateKey)
		}
	default:
		{
			return nil, fmt.Errorf("unsupport private key type")
		}
	}
	return priKey, nil
}