package reqctx

import "context"

type ctxKey struct{}

// RequestContext is the per-request identity. Use RealIP for rate limit and audit, never 127.0.0.1 from gnet.RemoteAddr.
type RequestContext struct {
	TraceID      string
	UserID       int64
	DeviceID     uint64
	Language     string
	AppVersion   string
	ConnectionID string
	RemoteAddr   string
	RealIP       string
}

func With(ctx context.Context, rc *RequestContext) context.Context {
	return context.WithValue(ctx, ctxKey{}, rc)
}

func From(ctx context.Context) *RequestContext {
	rc, _ := ctx.Value(ctxKey{}).(*RequestContext)
	return rc
}