service

type ArithmeticCustomClaims struct {
	UserId string `json:"userId"`
	Name   string `json:"name"`

	jwt.StandardClaims
}

type ArithmeticEndpoints struct {
	CalculateEndpoint   endpoint.Endpoint
	HealthCheckEndpoint endpoint.Endpoint
	AuthEndpoint        endpoint.Endpoint
}

type ArithmeticRequest struct {
	RequestType string `json:"request_type"`
	A           int    `json:"a"`
	B           int    `json:"b"`
}

type ArithmeticResponse struct {
	Result int   `json:"result"`
	Error  error `json:"error"`
}

type ArithmeticService struct {
}

type AuthRequest struct {
	Name string `json:"name"`
	Pwd  string `json:"pwd"`
}

type AuthResponse struct {
	Success bool   `json:"success"`
	Token   string `json:"token"`
	Error   string `json:"error"`
}

type HealthRequest struct{}

type HealthResponse struct {
	Status bool `json:"status"`
}

type Service interface {
	Calculate(ctx context.Context, reqType string, a, b int) (int, error)

	// HealthCheck check service health status
	HealthCheck() bool

	// HealthCheck
	Login(name, pwd string) (string, error)
}

type ServiceMiddleware func(Service) Service