package service

import (
	"context"
	"customer/api/verifyCode"
	"customer/internal/data"
	"github.com/go-kratos/kratos/v2/transport/grpc"
	"regexp"
	"time"

	pb "customer/api/customer"
)

type CustomerService struct {
	pb.UnimplementedCustomerServer
	cd *data.CustomerData
}

func NewCustomerService(cd *data.CustomerData) *CustomerService {
	return &CustomerService{
		cd: cd,
	}
}

func (s *CustomerService) GetVerifyCode(ctx context.Context, req *pb.GetVerifyCodeReq) (*pb.GetVerifyCodeResp, error) {

	//1.效验手机号 正则表达式
	pattern := `^(13\d|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18\d|19[0-35-9])\d{8}$`
	regexpPattern := regexp.MustCompile(pattern)
	if !regexpPattern.MatchString(req.Telephone) {
		return &pb.GetVerifyCodeResp{
			Code:    1,
			Message: "电话号码格式错误",
		}, nil
	}
	//获取验证码
	conn, err := grpc.DialInsecure(
		context.Background(),
		grpc.WithEndpoint("localhost:9000"),
	)
	if err != nil {
		return &pb.GetVerifyCodeResp{
			Code:    1,
			Message: "验证码服务不可用",
		}, nil
	}
	//
	defer func() {
		_ = conn.Close()
	}()
	client := verifyCode.NewVerifyCodeClient(conn)
	reply, err := client.GetVerifyCode(context.Background(),
		&verifyCode.GetVerifyCodeRequest{
			Length: 6,
			Type:   1,
		})
	if err != nil {
		return &pb.GetVerifyCodeResp{
			Code:    1,
			Message: "验证码获取错误",
		}, nil
	}

	//3.redis的临时存储
	const life = 60
	if err := s.cd.SetVerifyCode(req.Telephone, reply.Code, life); err != nil {
		return &pb.GetVerifyCodeResp{
			Code:    1,
			Message: "验证码获取错误(Redis的错误)",
		}, nil
	}

	//响应
	return &pb.GetVerifyCodeResp{
		Code:           0,
		VerifyCode:     reply.Code,
		Message:        "获取验证码成功",
		VerifyCodeTime: time.Now().Unix(),
		VerifyCodeLife: life,
	}, nil
}