http

type APIMetric struct {
	API        string
	Latency    time.Duration
	StatusCode int
	Limited    bool
}

type APIMetricReporter interface {
	Report(*APIMetric) // report these metrics
}

type APIRateLimiter interface {
	RequestLimited(*http.Request) bool
	// If rate limited, do anything what you want(cache the request, or do nothing)
	LimitReadchedCallback(*http.Request)
	// Update rate limite exclusively
	UpdateRate(float64)
}

type APIRateLimiterImpl struct {
	*limiter.Limiter
	// contains filtered or unexported fields
}

type APIStat struct {
	Total int
	LatencyMax,
	LatencyAvg,
	Latency time.Duration

	Status1XX,
	Status2XX,
	Status3XX,
	Status4XX,
	Status5XX int

	Limited int
}

type BodyResp struct {
	*HttpError
	Message string      `json:"message,omitempty"`
	Content interface{} `json:"content,omitempty"`
}

type CORSHeaders map[string]struct{}

type HttpError struct {
	ErrCode  string `json:"error_code,omitempty"`
	Err      error  `json:"-"`
	HttpCode int    `json:"-"`
}

type MsgError struct {
	*HttpError
	Fmt  string
	Args []interface{}
}

type RateLimiter interface {
	// Detect if rate limit reached on @key
	Limited(key string) bool

	// Update rate limite exclusively
	UpdateRate(float64)
}

type ReporterImpl struct{}

type RequestKey func(r *http.Request) string

type SignOption struct {
	AuthorizationType string
	SignHeaders       []string // in order
	SK                string
	AK                string
	Sign              string
	SignStr           string
}

type WrapPlugins struct {
	Limiter  APIRateLimiter
	Reporter APIMetricReporter
}