<?php
/**
 * Products Action - Get products with enriched data
 */

require_once __DIR__ . '/../services/UpsellService.php';

/**
 * Handle get_products action
 * 
 * @return void
 */
function handleGetProducts(): void
{
    try {
        $woocommerce = getWooCommerce();
        $products = $woocommerce->get('products', ['status' => 'publish', 'per_page' => 100]);
        $cuw_map = UpsellService::buildProductMap();

        $enriched = [];

        foreach ($products as $product) {
            // Get variations for variable products
            $variation_details = ($product->type === 'variable')
                ? (array) $woocommerce->get("products/{$product->id}/variations", ['per_page' => 50])
                : [];

            // Combine upsell + cross-sell + CUW IDs
            $upsell_ids = !empty($product->upsell_ids) 
                ? array_map('intval', (array) $product->upsell_ids) 
                : [];
            $cross_sell_ids = !empty($product->cross_sell_ids) 
                ? array_map('intval', (array) $product->cross_sell_ids) 
                : [];

            $cuw_ids = $cuw_map[(int)$product->id] ?? [];

            $recommended_ids = array_values(array_unique(array_filter(array_merge(
                $upsell_ids,
                $cross_sell_ids,
                $cuw_ids
            ))));

            // Convert product to array and add fields
            $p = (array) $product;
            $p['variation_details'] = $variation_details;
            $p['cuw_ids'] = $cuw_ids;
            $p['recommended_ids'] = $recommended_ids;

            $enriched[] = $p;
        }

        echo json_encode($enriched);
    } catch (Exception $e) {
        echo json_encode([]);
    }
}