package logic

import (
	"context"

	"lone-services/pkg/utils"
	"lone-services/pkg/validate"
	user "lone-services/rpc/user/pb"
	"lone-services/services/user/internal/dao"
	"lone-services/services/user/internal/svc"
	"lone-services/services/user/validator"

	"github.com/zeromicro/go-zero/core/logx"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

type RebindMobileLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewRebindMobileLogic(ctx context.Context, svcCtx *svc.ServiceContext) *RebindMobileLogic {
	return &RebindMobileLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

func (l *RebindMobileLogic) RebindMobile(in *user.RebindMobileReq) (*user.Response, error) {
	var req validator.RebindMobileValidator
	if msg := validate.ValidateFromProto(in, &req); msg != utils.StringEmpty {
		return outResponse(utils.ErrorParams, msg), nil
	}
	if req.OldMobile == req.NewMobile {
		return outResponse(utils.ErrorParams, "新手机号不能与原手机号相同"), nil
	}

	loginUser := utils.GetUserFromCtx(l.ctx)
	if loginUser.ID < utils.NumberOne {
		return failResponse(utils.ErrorNoLoginInfo), nil
	}

	row, err := loadEnabledUser(loginUser.ID)
	if err != nil {
		l.Errorf("rebind mobile load user: %v", err)
		return failResponse(utils.ErrorNotFund), nil
	}
	if row.Mobile == utils.StringEmpty {
		return outResponse(utils.ErrorParams, "用户未绑定手机号"), nil
	}

	oldEnc, encErr := utils.EncryptPhone(req.OldMobile)
	if encErr != nil {
		l.Errorf("rebind mobile encrypt old: %v", encErr)
		return failResponse(utils.ErrorEncryptAesError), nil
	}
	if oldEnc != row.Mobile {
		return outResponse(utils.ErrorParams, "原手机号不正确"), nil
	}

	ok, verifyErr := verifyAndConsumeSmsCode(l.ctx, dao.SmsSceneRebindMobile, req.NewMobile, req.SmsCode)
	if verifyErr != nil {
		l.Errorf("rebind mobile verify sms: %v", verifyErr)
		return failResponse(utils.Fail), nil
	}
	if !ok {
		return outResponse(utils.ErrorParams, "验证码错误或已过期"), nil
	}

	_, updateErr := NewInternalUpdateMobileLogic(l.ctx, l.svcCtx).InternalUpdateMobile(&user.InternalUpdateMobileReq{
		UserId: loginUser.ID,
		Mobile: req.NewMobile,
	})
	if updateErr != nil {
		l.Errorf("rebind mobile update: %v", updateErr)
		if st, ok := status.FromError(updateErr); ok {
			switch st.Code() {
			case codes.InvalidArgument:
				return outResponse(utils.ErrorParams, st.Message()), nil
			case codes.AlreadyExists:
				return failResponse(utils.ErrorDataIsExist), nil
			case codes.NotFound:
				return failResponse(utils.ErrorNotFund), nil
			}
		}
		return failResponse(utils.Fail), nil
	}

	return okResponse(nil), nil
}