package grpc

import (
	"context"

	"google.golang.org/protobuf/types/known/emptypb"

	pb "datarush/pkg/api/user"
)

type UserService interface {
	GetProfile(ctx context.Context, req *pb.GetProfileRequest) (*pb.User, error)
	RegisterForCompetition(ctx context.Context, req *pb.RegisterForCompetitionRequest) (*emptypb.Empty, error)
	UnregisterFromCompetition(ctx context.Context, req *pb.UnregisterFromCompetitionRequest) (*emptypb.Empty, error)
	ListUserCompetitions(
		ctx context.Context,
		req *pb.ListUserCompetitionsRequest,
	) (*pb.ListUserCompetitionsResponse, error)
}

type UserHandler struct {
	pb.UnimplementedUserServiceServer
	service UserService
}

func NewUserHandler(service UserService) *UserHandler {
	return &UserHandler{service: service}
}

func (h *UserHandler) GetProfile(ctx context.Context, req *pb.GetProfileRequest) (*pb.User, error) {
	return h.service.GetProfile(ctx, req)
}

func (h *UserHandler) RegisterForCompetition(
	ctx context.Context,
	req *pb.RegisterForCompetitionRequest,
) (*emptypb.Empty, error) {
	return h.service.RegisterForCompetition(ctx, req)
}

func (h *UserHandler) UnregisterFromCompetition(
	ctx context.Context,
	req *pb.UnregisterFromCompetitionRequest,
) (*emptypb.Empty, error) {
	return h.service.UnregisterFromCompetition(ctx, req)
}

func (h *UserHandler) ListUserCompetitions(
	ctx context.Context,
	req *pb.ListUserCompetitionsRequest,
) (*pb.ListUserCompetitionsResponse, error) {
	return h.service.ListUserCompetitions(ctx, req)
}