package service

import (
	"encoding/json"
	"github.com/go-kratos/kratos/v2/errors"
	"github.com/go-kratos/kratos/v2/log"
	"github.com/go-kratos/kratos/v2/transport/http"
	"io"
	err2 "voucher/api/err"
	v1 "voucher/api/v1"
	"voucher/internal/biz/bo"
	"voucher/internal/biz/vo"
)

func (s *VoucherService) buildCmbRequest(bodyBytes []byte) (*v1.CmbRequest, error) {

	var req *v1.CmbRequest
	if err := json.Unmarshal(bodyBytes, &req); err != nil {
		return nil, err2.ErrorCmbParamFail(err.Error())
	}

	if err := req.Validate(); err != nil {
		return nil, err2.ErrorCmbParamFail(err.Error())
	}

	return req, nil
}

func (s *VoucherService) CmbOrder(ctx http.Context) error {

	var (
		reply *v1.CmbReply

		bizReply *v1.CmbOrderReply
	)

	orderNo, err := s.cmbOrder(ctx)

	if err != nil {
		se := errors.FromError(err)

		if len(se.Reason) == 0 {
			se.Reason = err2.CmbErr_CMB_UNKNOWN.String()
		}

		bizReply = &v1.CmbOrderReply{
			RespCode:     vo.CmbResponseStatusFail.GetValue(),
			RespMsg:      se.Message,
			CodeNo:       "",
			ThirdErrCode: se.Reason,
		}

		log.Errorf("cmbOrder: %v", err)
	} else {
		bizReply = &v1.CmbOrderReply{
			RespCode: vo.CmbResponseStatusSuccess.GetValue(),
			RespMsg:  "成功",
			CodeNo:   orderNo,
		}
	}

	replyBizContent, _ := json.Marshal(bizReply)
	xx := &bo.CmbResponseBo{
		RespCode:   vo.CmbResponseStatusSuccess.GetValue(),
		RespMsg:    "成功",
		BizContent: string(replyBizContent),
	}

	reply, err = s.CmbMixRepo.GetResponse(ctx, xx)
	if err != nil {
		log.Errorf("CmbOrder GetResponse: %v", err)
		return ctx.JSON(400, err)
	}

	return ctx.JSON(200, reply)
}

func (v *VoucherService) cmbOrder(ctx http.Context) (string, error) {

	//var ctxCopy http.Context

	//copy(ctx, ctxCopy)

	bodyBytes, err := io.ReadAll(ctx.Request().Body)
	if err != nil {
		return "", err2.ErrorCmbParamFail(err.Error())
	}

	req, err := v.buildCmbRequest(bodyBytes)
	if err != nil {
		return "", err
	}

	bizContent, err := v.CmbMixRepo.OrderVerify(ctx, req)
	if err != nil {
		log.Errorf("cmbOrder body: %s", string(bodyBytes))
		return "", err
	}

	boReq := &bo.OrderCreateReqBo{
		OutBizNo:    bizContent.TransactionId,
		ProductNo:   bizContent.ActivityId,
		Account:     bizContent.CmbUid,
		AppID:       bizContent.AppId,
		Attach:      bizContent.Attach,
		AccountType: vo.OrderAccountTypeOpenId,
		Type:        vo.OrderTypeCmb,
		NotifyUrl:   v.bc.Cmb.NotifyUrl,
	}

	orderNo, err := v.VoucherBiz.CmbOrder(ctx, boReq)
	if err != nil {
		return "", err
	}

	return orderNo, nil
}

func (s *VoucherService) CmbProductQuery(ctx http.Context) error {

	var (
		reply *v1.CmbReply

		bizReply *v1.CmbQueryProductReply
	)

	bizReply, err := s.cmbProductQuery(ctx)
	if err != nil {
		se := errors.FromError(err)

		if len(se.Reason) == 0 {
			se.Reason = err2.CmbErr_CMB_UNKNOWN.String()
		}

		bizReply = &v1.CmbQueryProductReply{
			RespCode:     vo.CmbResponseStatusFail.GetValue(),
			RespMsg:      se.Message,
			ThirdErrCode: se.Reason,
		}

		log.Errorf("cmbProductQuery: %v", err)
	}

	replyBizContent, _ := json.Marshal(bizReply)
	xx := &bo.CmbResponseBo{
		RespCode:   vo.CmbResponseStatusSuccess.GetValue(),
		RespMsg:    "成功",
		BizContent: string(replyBizContent),
	}

	reply, err = s.CmbMixRepo.GetResponse(ctx, xx)
	if err != nil {
		log.Errorf("cmbProductQuery GetResponse: %v", err)
		return ctx.JSON(400, err)
	}

	return ctx.JSON(200, reply)
}

func (v *VoucherService) cmbProductQuery(ctx http.Context) (*v1.CmbQueryProductReply, error) {

	bodyBytes, err := io.ReadAll(ctx.Request().Body)
	if err != nil {
		return nil, err2.ErrorCmbParamFail(err.Error())
	}

	req, err := v.buildCmbRequest(bodyBytes)
	if err != nil {
		return nil, err
	}

	bizContent, err := v.CmbMixRepo.ProductQueryVerify(ctx, req)
	if err != nil {
		log.Errorf("cmbProductQuery body: %s", string(bodyBytes))
		return nil, err
	}

	return v.VoucherBiz.CmbProductQuery(ctx, bizContent.ActivityId)
}

func (s *VoucherService) CmbQuery(ctx http.Context) error {

	var (
		reply *v1.CmbReply

		req = &bo.CmbResponseBo{}
	)

	bizReply, err := s.cmbQuery(ctx)
	if err != nil {

		req.RespCode = vo.CmbResponseStatusFail.GetValue()
		req.RespMsg = err.Error()
		req.BizContent = ""

		log.Errorf("CmbQuery: %v", err)
	} else {

		replyBizContentBytes, _ := json.Marshal(bizReply)

		req.RespCode = vo.CmbResponseStatusSuccess.GetValue()
		req.RespMsg = "成功"
		req.BizContent = string(replyBizContentBytes)
	}

	reply, err = s.CmbMixRepo.GetResponse(ctx, req)
	if err != nil {
		log.Errorf("cmbProductQuery GetResponse: %v", err)
		return ctx.JSON(400, err)
	}

	return ctx.JSON(200, reply)
}

func (v *VoucherService) cmbQuery(ctx http.Context) (*v1.CmbQueryReply, error) {

	bodyBytes, err := io.ReadAll(ctx.Request().Body)
	if err != nil {
		return nil, err2.ErrorCmbParamFail(err.Error())
	}

	req, err := v.buildCmbRequest(bodyBytes)
	if err != nil {
		return nil, err
	}

	bizContent, err := v.CmbMixRepo.QueryVerify(ctx, req)
	if err != nil {
		return nil, err
	}

	return v.VoucherBiz.CmbQuery(ctx, bizContent.CodeNo)
}