package paymob

import (
	"encoding/json"
	"fmt"
	"math"
	"net/http"
	"strconv"
	"strings"

	"bet24.com/log"
	"bet24.com/public"
	coreClient "bet24.com/servers/coreservice/client"
	"bet24.com/servers/payment/config"
	"bet24.com/servers/payment/db"
	"bet24.com/servers/payment/shop"
	"github.com/gin-gonic/gin"
)

// 下单
func PayOrder(c *gin.Context) {
	obj := db.NewOrder(db.SP_paymob_ORDER)
	if err := c.ShouldBind(&obj.In); err != nil {
		log.Debug("%s query params err %v", "payMob.PayOrder", err)
		c.String(http.StatusOK, "")
		return
	}

	obj.In.IpAddress = strings.Split(c.Request.RemoteAddr, ":")[0]

	//// 币种为空,根据ip获取
	//if obj.In.Currency == "" {
	//	currency := shop.GetCurrencyRateByIp(obj.In.UserID, obj.In.IpAddress)
	//	obj.In.Currency = currency
	//}

	// 获取产品信息
	item := shop.GetProduct(obj.In.ProductID)
	if item == nil {
		log.Error("%s query GetProduct productId=%s currency=%s is nil", "paymob.PayOrder", obj.In.ProductID, obj.In.Currency)
		c.String(http.StatusOK, "")
		return
	}

	//// 获取当前汇率信息
	//info := shop.GetExchangeRate(obj.In.Currency)
	//if info == nil {
	//	log.Error("%s query GetExchangeRate obj.In.Currency=%s is nil", "paymob.PayOrder", obj.In.Currency)
	//	c.String(http.StatusOK, "")
	//	return
	//}
	//
	//// 计算价格
	//calPrice := info.Rate * item.Price
	//
	//// 检查价格是否篡改
	//if calPrice != obj.In.Price {
	//	log.Error("%s obj.In.Price=%v info.Rate=%v calPrice=%v is invalid", "paymob.PayOrder", obj.In.Price, info.Rate, calPrice)
	//	c.String(http.StatusOK, "")
	//	return
	//}

	// 检查价格是否篡改
	if item.Price != obj.In.Price {
		log.Error("%s obj.In.Price=%v calPrice=%v is invalid", "paymob.PayOrder", obj.In.Price, item.Price)
		c.String(http.StatusOK, "")
		return
	}

	obj.DoAction(nil)
	if obj.Out.OrderID == "" {
		log.Debug("%s GenOrder fail obj.In=%+v", "payMob.PayOrder", obj.In)
		c.String(http.StatusOK, "")
		return
	}

	price := fmt.Sprintf("%d", int(math.Ceil(obj.In.Price)))

	// 第1步：获取身份验证token
	authToken := getAuthToken()

	// 第2步：订单注册
	orderReg := orderRegister(authToken, price, obj.Out.OrderID, obj.In.ProductID, obj.In.ProductID)

	orderId := strconv.Itoa(orderReg.Id)

	// 第3步：获取支付token
	paymentToken := getPaymentToken(authToken, price, orderId, obj.In.Currency)

	// 第4步：现金支付请求
	resp := cashPay(paymentToken, obj.In.Tel)

	// 跳转到支付页面，以便持卡人完成支付过程
	c.Redirect(http.StatusMovedPermanently, resp.Redirect_url)
	return
}

// 第1步：获取身份验证token
func getAuthToken() string {
	info := auth_token_req{Api_Key: config.Server.PayMob.Api_Key}
	buf, _ := json.Marshal(info)
	data := string(buf)

	// POST请求
	respBody := public.HttpPostByJson(config.Server.PayMob.Url_Auth_Token, data)
	log.Debug("payMob.getAuthToken 第1步,获取身份验证token! req ==> %+v  resp ==> %+v", data, respBody)

	var resp auth_token_resp
	if err := json.Unmarshal([]byte(respBody), &resp); err != nil {
		log.Debug("%s query params err %v", "payMob.getAuthToken", err)
		return ""
	}

	return resp.Token
}

// 第2步：订单注册,返回id
func orderRegister(authToken, price, orderId, name, description string) order_register_resp {
	var items []order_register_product
	items = append(items, order_register_product{
		Name:         name,
		Amount_cents: price,
		Description:  description,
		Quantity:     "1",
	})

	info := order_register_req{
		Auth_token:        authToken,
		Delivery_needed:   "false",
		Amount_cents:      price,
		Merchant_order_id: orderId,
		Items:             items,
	}

	buf, _ := json.Marshal(info)
	data := string(buf)

	// POST请求
	respBody := public.HttpPostByJson(config.Server.PayMob.Url_Order_Register, data)
	log.Debug("payMob.orderRegister 第2步,订单注册,返回id! req ==> %+v  resp ==> %+v", data, respBody)

	var resp order_register_resp
	if err := json.Unmarshal([]byte(respBody), &resp); err != nil {
		log.Debug("%s query params err %v", "payMob.orderRegister", err)
		return resp
	}
	return resp
}

// 第3步：获取支付token
func getPaymentToken(authToken, price, orderId, currency string) string {
	info := payment_toke_req{
		Auth_token:   authToken,
		Amount_cents: price,
		Expiration:   3600,
		Order_id:     orderId,
		Billing_data: payment_token_req_billing_data{
			Apartment:       "NA",
			Email:           "test",
			Floor:           "NA",
			First_name:      "test",
			Street:          "NA",
			Building:        "NA",
			Phone_number:    "test",
			Shipping_method: "NA",
			Postal_code:     "NA",
			City:            "NA",
			Country:         "NA",
			Last_name:       "test",
			State:           "NA",
		},
		Currency:       currency,
		Integration_id: config.Server.PayMob.Integration_Id,
	}

	buf, _ := json.Marshal(info)
	data := string(buf)

	// POST请求
	respBody := public.HttpPostByJson(config.Server.PayMob.Url_Payment_Token, data)
	log.Debug("payMob.getPaymentToken 第3步,获取支付token! req ==> %+v  resp ==> %+v", data, respBody)

	var resp payment_token_resp
	if err := json.Unmarshal([]byte(respBody), &resp); err != nil {
		log.Debug("%s query params err %v", "payMob.getPaymentToken", err)
		return ""
	}
	return resp.Token
}

// 第4步：现金支付请求
func cashPay(paymentToken, tel string) cash_pay_resp {
	info := cash_pay_req{
		Source: cash_pay_source{
			Identifier: tel,
			Subtype:    "WALLET",
		},
		Payment_token: paymentToken,
	}

	buf, _ := json.Marshal(info)
	data := string(buf)

	// POST请求
	respBody := public.HttpPostByJson(config.Server.PayMob.Url_Payment_CashPay, data)
	log.Debug("payMob.cashPay 第4步,现金支付请求! req ==> %+v  resp ==> %+v", data, respBody)

	var resp cash_pay_resp
	if err := json.Unmarshal([]byte(respBody), &resp); err != nil {
		log.Debug("%s query params err %v", "payMob.cashPay", err)
		return resp
	}

	return resp
}

// 回调通知
func PayNotify(c *gin.Context) {
	var resp payNotify_req
	if err := c.ShouldBind(&resp); err != nil {
		log.Debug("%s query params err %v", "payMob.PayNotify", err)
		c.String(http.StatusOK, "")
		return
	}

	log.Debug("payMob.PayNotify resp ==> %+v", resp)

	checkContent := fmt.Sprintf("%v%v%v%v%v%v%v%v%v%v%v%v%v%v%v%v%v%v%v%v",
		resp.Amount_cents, resp.Created_at, resp.Currency, resp.Error_occured, resp.Has_parent_transaction,
		resp.Id, resp.Integration_id, resp.Is_3d_secure, resp.Is_auth, resp.Is_capture,
		resp.Is_refunded, resp.Is_standalone_payment, resp.Is_voided, resp.Order, resp.Owner,
		resp.Pending, resp.Source_data_pan, resp.Source_data_sub_type, resp.Source_data_type, resp.Success,
	)

	hmac := public.HmacSHA512(config.Server.PayMob.HMAC, checkContent)

	log.Debug("payMob.PayNotify 拼接 hmac ==> %s", hmac)

	// 验证签名
	if hmac != resp.Hmac {
		log.Error("payMob.PayNotify 签名失败 ==> %+v", resp)
		return
	}

	log.Debug("payMob.PayNotify 签名成功")

	// 返回码，’APPLY_SUCCESS’代表成功
	if !resp.Success {
		log.Error("payMob.PayNotify resp ==> %+v 失败", resp)
		c.JSON(http.StatusOK, ret{
			Code: "SUCCESS",
			Msg:  "Success",
		})
		return
	}

	// 数据库操作
	obj := db.NewNotify(db.SP_paymob_NOTIFY)
	obj.In.OrderID = resp.Merchant_order_id
	obj.In.TradeID = strconv.Itoa(resp.Order)
	//obj.In.Price = resp.Amount_cents
	obj.DoAction(nil)

	// 操作成功,给道具
	if obj.Out.RetCode == 1 {
		// 充值
		resp := coreClient.Recharge(obj.Out.UserID, obj.Out.ProductID)
		log.Debug("%s 充值成功 %+v", "payMob.PayNotify", resp)
	}

	c.JSON(http.StatusOK, ret{
		Code: "SUCCESS",
		Msg:  "Success",
	})
	return
}

// 支付完成跳转处理
func PayCallback(c *gin.Context) {
	c.String(http.StatusOK, "success")
	log.Debug("payMob.payCallback")
}