package analysisuserlogic

import (
	"context"
	"strconv"

	"lone-services/pkg/modelbase"
	"lone-services/pkg/utils"
	"lone-services/pkg/validate"
	analysis "lone-services/rpc/analysis/pb"
	userpb "lone-services/rpc/user/pb"
	"lone-services/services/analysis/internal/dao"
	"lone-services/services/analysis/internal/face"
	"lone-services/services/analysis/internal/logic/common"
	"lone-services/services/analysis/internal/model"
	"lone-services/services/analysis/internal/svc"
	"lone-services/services/analysis/validator"

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

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

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

func (l *UserDeleteLogic) UserDelete(in *analysis.UserDeleteReq) (*analysis.Response, error) {
	var req validator.UserDeleteValidator
	if msg := validate.ValidateFromProto(in, &req); msg != utils.StringEmpty {
		return common.OutResponse(utils.ErrorParams, msg), nil
	}

	if err := face.DeleteFace(req.Id); err != nil {
		l.Errorf("user delete milvus: %v", err)
		return common.FailResponse(utils.Fail), nil
	}

	if l.svcCtx.UserSvcName == utils.StringEmpty {
		return common.FailResponse(utils.Fail), nil
	}
	cli, err := svc.GetRpcClient(l.svcCtx.UserSvcName)
	if err != nil {
		l.Errorf("user delete get user rpc: %v", err)
		return common.FailResponse(utils.Fail), nil
	}

	deleted, err := userpb.NewUserClient(cli.Conn()).InternalDeleteUser(l.ctx, &userpb.InternalDeleteUserReq{
		UserId: req.Id,
	})
	if err != nil {
		if st, ok := status.FromError(err); ok && st.Code() == codes.NotFound {
			return common.FailResponse(utils.ErrorNotFund), nil
		}
		l.Errorf("user delete internal: %v", err)
		return common.FailResponse(utils.Fail), nil
	}

	for _, c := range deleted.GetClients() {
		if c.GetClientCode() != dao.ClientCodeUserSkin || c.GetBizId() < utils.NumberOne {
			continue
		}
		_, delErr := model.UserModel{}.Init().Del(modelbase.Params{
			Eq: map[string]string{"id": strconv.FormatInt(c.GetBizId(), utils.NumberTen)},
		}, map[string]string{})
		if delErr != nil {
			l.Errorf("user delete analysis user biz_id=%d: %v", c.GetBizId(), delErr)
			return common.FailResponse(utils.Fail), nil
		}
	}

	return common.OkResponse(nil), nil
}