// src/hooks/usePageTracking.js
import { useEffect, useRef } from 'react';
import { useLocation } from 'react-router-dom';
import posthog from 'posthog-js';

/**
 * Custom hook for automatic page view tracking with PostHog
 *
 * @param {Object} options - Configuration options
 * @param {boolean} options.enabled - Whether tracking is enabled
 * @param {Function} options.getProperties - Function to get custom properties for each page view
 */
export const usePageTracking = ({ enabled = true, getProperties } = {}) => {
  const location = useLocation();
  const previousPathRef = useRef('');

  useEffect(() => {
    if (!enabled) return;

    // Get the current path
    const currentPath = location.pathname + location.search;

    // Skip if it's the same page (prevents duplicate tracking)
    if (previousPathRef.current === currentPath) {
      return;
    }

    // Update the previous path
    previousPathRef.current = currentPath;

    // Get custom properties if function provided
    const customProperties = getProperties ? getProperties(location) : {};

    // Track page view with PostHog
    if (posthog && posthog.__loaded) {
      posthog.capture('$pageview', {
        $current_url: window.location.href,
        path: location.pathname,
        search: location.search,
        hash: location.hash,
        ...customProperties,
      });

      // Log in development
      if (process.env.NODE_ENV === 'development') {
        console.log('📊 PostHog $pageview:', {
          path: location.pathname,
          ...customProperties,
        });
      }
    }
  }, [location, enabled, getProperties]);
};

export default usePageTracking;