<?php

trait Alexr_ajax_tracking_actions {

	/**
	 * Save tracking data for a booking
	 *
	 * @param \Alexr\Models\Booking $booking
	 * @return void
	 */
	protected function saveBookingTracking($booking) {

		// Check if BookingTracking class exists (in case PRO is not installed)
		if (!class_exists('\Alexr\Models\BookingTracking')) {
			return;
		}

		try {
			// Create tracking record from request
			$tracking = new \Alexr\Models\BookingTracking();
			$tracking->booking_id = $booking->id;
			$tracking->restaurant_id = $booking->restaurant_id;

			// Capture UTM parameters
			$tracking->utm_source = $this->getTrackingParam('utm_source');
			$tracking->utm_medium = $this->getTrackingParam('utm_medium');
			$tracking->utm_campaign = $this->getTrackingParam('utm_campaign');
			$tracking->utm_term = $this->getTrackingParam('utm_term');
			$tracking->utm_content = $this->getTrackingParam('utm_content');
			$tracking->utm_id = $this->getTrackingParam('utm_id');

			// Capture primary Click IDs
			$tracking->gclid = $this->getTrackingParam('gclid');
			$tracking->fbclid = $this->getTrackingParam('fbclid');
			$tracking->msclkid = $this->getTrackingParam('msclkid');
			$tracking->ttclid = $this->getTrackingParam('ttclid');

			// Capture referrer and landing page
			$tracking->referrer_url = $this->getTrackingParam('referrer_url');
			$tracking->landing_page = $this->getTrackingParam('landing_page');

			// Capture user agent from request (or use server variable)
			$tracking->user_agent = $this->getTrackingParam('user_agent');
			if (!$tracking->user_agent && isset($_SERVER['HTTP_USER_AGENT'])) {
				$tracking->user_agent = sanitize_text_field($_SERVER['HTTP_USER_AGENT']);
			}

			// Capture IP address
			$tracking->ip_address = $this->getClientIp();

			// Build raw query string from tracking params
			$raw_query_parts = [];
			foreach ($_REQUEST as $key => $value) {
				if (strpos($key, 'tracking_') === 0) {
					$original_key = str_replace('tracking_', '', $key);
					$raw_query_parts[] = $original_key . '=' . urlencode($value);
				}
			}
			$tracking->raw_query = implode('&', $raw_query_parts);

			// Capture secondary Click IDs and store in settings
			$secondary_click_ids = [];
			$secondary_keys = [
				'twclid', 'li_fat_id', 'dclid', 'sccid', 'gbraid',
				'wbraid', 'irclickid', 'ScCid', 'yclid', 'epik'
			];

			foreach ($secondary_keys as $key) {
				$value = $this->getTrackingParam($key);
				if ($value) {
					$secondary_click_ids[$key] = $value;
				}
			}

			if (!empty($secondary_click_ids)) {
				$tracking->set_setting('additional_click_ids', $secondary_click_ids);
			}

			// Capture any other tracking parameters
			$additional_params = [];
			foreach ($_REQUEST as $key => $value) {
				if (strpos($key, 'tracking_') === 0) {
					$original_key = str_replace('tracking_', '', $key);
					// Skip if already captured
					if (!in_array($original_key, [
							'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'utm_id',
							'gclid', 'fbclid', 'msclkid', 'ttclid',
							'referrer_url', 'landing_page', 'user_agent'
						]) && !in_array($original_key, $secondary_keys)) {
						$additional_params[$original_key] = sanitize_text_field($value);
					}
				}
			}

			if (!empty($additional_params)) {
				$tracking->set_setting('additional_params', $additional_params);
			}

			// Save tracking
			$tracking->save();

		} catch (\Exception $e) {
			// Log error but don't fail the booking
			error_log('Alex Reservations - Error saving booking tracking: ' . $e->getMessage());
		}
	}

	/**
	 * Get tracking parameter from request
	 *
	 * @param string $param
	 * @return string|null
	 */
	protected function getTrackingParam($param) {
		$key = 'tracking_' . $param;
		if (isset($_REQUEST[$key])) {
			return sanitize_text_field($_REQUEST[$key]);
		}
		return null;
	}

	/**
	 * Get client IP address
	 *
	 * @return string
	 */
	protected function getClientIp() {
		$ip = '';

		if (isset($_SERVER['HTTP_CLIENT_IP'])) {
			$ip = $_SERVER['HTTP_CLIENT_IP'];
		} elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
			$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
		} elseif (isset($_SERVER['REMOTE_ADDR'])) {
			$ip = $_SERVER['REMOTE_ADDR'];
		}

		return sanitize_text_field($ip);
	}
}