Session Types

export interface SessionData {
  sessionId?: string;
  startTime: number;
  endTime?: number;
  duration?: number;
  pageViews: number;
  clicks: number;
  scrollDepth: number;
  maxScrollDepth: number;
  isActive: boolean;
  events: string[];
  scrollEvents?: number;
  clickEvents?: number;
  pageChanges?: number;
  engagementScore?: number;
  bounceLikelihood?: number;
  channel?: string;
}

export interface HeatmapData {
  x: number;
  y: number;
  element?: string;
  selector?: string;
  action: "click" | "move" | "scroll";
  viewport: {
    width: number;
    height: number;
  };
}

export interface PerformanceData {
  loadTime?: number;
  domReady?: number;
  firstPaint?: number;
  firstContentfulPaint?: number;
  largestContentfulPaint?: number;
  firstInputDelay?: number;
  cumulativeLayoutShift?: number;
  timeToInteractive?: number;
}

export interface ErrorData {
  message: string;
  stack?: string;
  filename?: string;
  lineno?: number;
  colno?: number;
  type: "javascript" | "unhandledrejection" | "network" | "custom";
}

export interface FunnelState {
  funnelName: string;
  currentStep: number;
  startTime: number;
  steps: FunnelStep[];
  isActive: boolean;
}

export interface FunnelStep {
  stepName: string;
  stepIndex: number;
  timestamp: number;
  timeInFunnel: number;
  properties?: EventProperties;
}

export interface QueuedEvent {
  event: AnalyticsEvent;
  retries: number;
  timestamp: number;
}