<?php

/**
 * Miravia SDK - Direct AliExpress API Implementation
 * Replaces WeComm proxy with official AliExpress SDK
 */

// Include the simplified SDK
require_once __DIR__ . '/SimpleIopClient.php';

class MiraviaSdk
{
    protected $app_key;
    protected $secret_key;
    protected $access_token;
    protected $client;
    public $last_error = '';

    public function __construct()
    {
        $this->app_key = get_option('miravia_app_key', '');
        $this->secret_key = get_option('miravia_secret_key', '');
        $this->access_token = get_option('miravia_access_token', '');
        
        if(!empty($this->app_key) && !empty($this->secret_key)) {
            $this->client = new SimpleIopClient('https://api-sg.aliexpress.com/sync', $this->app_key, $this->secret_key);
        }
    }

    /**
     * Create/Upload products to AliExpress/Miravia
     */
    public function createProduct($productData)
    {
        if(!$this->client || empty($this->access_token)) {
            $this->last_error = 'SDK not configured properly';
            return false;
        }

        try {
            $request = new SimpleIopRequest('aliexpress.offer.product.post');
            // Convert Miravia product format to AliExpress format
            $aliexpressProduct = $this->convertToAliExpressFormat($productData);
            $request->addApiParam('aeop_a_e_product', json_encode($aliexpressProduct));
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Creating product with AliExpress API");
                LOG::add("DEBUG SDK: Product data: " . json_encode($productData));
            }

            $response = $this->client->execute($request, $this->access_token);
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: API Response: " . json_encode($response));
            }

            if(isset($response->aliexpress_offer_product_post_response)) {
                $result = $response->aliexpress_offer_product_post_response;
                if(isset($result->result) && $result->result->success) {
                    return [
                        'success' => true,
                        'product_id' => $result->result->product_id ?? null,
                        'data' => $result
                    ];
                } else {
                    $this->last_error = $result->result->error_message ?? 'Unknown error';
                    return false;
                }
            }

            $this->last_error = 'Invalid response format';
            return false;

        } catch (Exception $e) {
            $this->last_error = $e->getMessage();
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Error: " . $e->getMessage());
            }
            return false;
        }
    }

    /**
     * Update existing product
     */
    public function updateProduct($productId, $productData)
    {
        if(!$this->client || empty($this->access_token)) {
            $this->last_error = 'SDK not configured properly';
            return false;
        }

        try {
            $request = new SimpleIopRequest('aliexpress.offer.product.edit');
            $request->addApiParam('aeop_a_e_product', json_encode($productData));
            $request->addApiParam('product_id', $productId);
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Updating product {$productId} with AliExpress API");
            }

            $response = $this->client->execute($request, $this->access_token);
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Update Response: " . json_encode($response));
            }

            if(isset($response->aliexpress_offer_product_edit_response)) {
                $result = $response->aliexpress_offer_product_edit_response;
                if(isset($result->result) && $result->result->success) {
                    return [
                        'success' => true,
                        'product_id' => $productId,
                        'data' => $result
                    ];
                } else {
                    $this->last_error = $result->result->error_message ?? 'Unknown error';
                    return false;
                }
            }

            $this->last_error = 'Invalid response format';
            return false;

        } catch (Exception $e) {
            $this->last_error = $e->getMessage();
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Error: " . $e->getMessage());
            }
            return false;
        }
    }

    /**
     * Get product list
     */
    public function getProductList($params = [])
    {
        if(!$this->client || empty($this->access_token)) {
            $this->last_error = 'SDK not configured properly';
            return false;
        }

        try {
            $request = new SimpleIopRequest('aliexpress.postproduct.redefining.findproductinfolistquery');
            
            // Set default parameters
            $defaultParams = [
                'current_page' => 1,
                'page_size' => 20
            ];
            $params = array_merge($defaultParams, $params);
            
            foreach($params as $key => $value) {
                $request->addApiParam($key, $value);
            }
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Getting product list with params: " . json_encode($params));
            }

            $response = $this->client->execute($request, $this->access_token);
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Product list response: " . json_encode($response));
            }

            if(isset($response->aliexpress_postproduct_redefining_findproductinfolistquery_response)) {
                return $response->aliexpress_postproduct_redefining_findproductinfolistquery_response->result;
            }

            return $response;

        } catch (Exception $e) {
            $this->last_error = $e->getMessage();
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Error: " . $e->getMessage());
            }
            return false;
        }
    }

    /**
     * Get orders from AliExpress/Miravia
     */
    public function getOrders($fromDate, $params = [])
    {
        if(!$this->client || empty($this->access_token)) {
            $this->last_error = 'SDK not configured properly';
            return false;
        }

        try {
            $request = new SimpleIopRequest('aliexpress.trade.seller.orderlist.get');
            
            // Set required parameters
            $request->addApiParam('create_date_start', $fromDate);
            $request->addApiParam('page_size', $params['page_size'] ?? 20);
            $request->addApiParam('current_page', $params['current_page'] ?? 1);
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Getting orders from {$fromDate}");
            }

            $response = $this->client->execute($request, $this->access_token);
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Orders response: " . json_encode($response));
            }

            if(isset($response->aliexpress_trade_seller_orderlist_get_response)) {
                return $response->aliexpress_trade_seller_orderlist_get_response->result;
            }

            return $response;

        } catch (Exception $e) {
            $this->last_error = $e->getMessage();
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Error: " . $e->getMessage());
            }
            return false;
        }
    }

    /**
     * Get order details
     */
    public function getOrderDetails($orderId)
    {
        if(!$this->client || empty($this->access_token)) {
            $this->last_error = 'SDK not configured properly';
            return false;
        }

        try {
            $request = new SimpleIopRequest('aliexpress.trade.redefining.findorderbyid');
            $request->addApiParam('order_id', $orderId);
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Getting order details for {$orderId}");
            }

            $response = $this->client->execute($request, $this->access_token);
            
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Order details response: " . json_encode($response));
            }

            if(isset($response->aliexpress_trade_redefining_findorderbyid_response)) {
                return $response->aliexpress_trade_redefining_findorderbyid_response->result;
            }

            return $response;

        } catch (Exception $e) {
            $this->last_error = $e->getMessage();
            if(class_exists('LOG')) {
                LOG::add("DEBUG SDK: Error: " . $e->getMessage());
            }
            return false;
        }
    }

    /**
     * Test API connection
     */
    public function testConnection()
    {
        if(!$this->client || empty($this->access_token)) {
            return ['success' => false, 'error' => 'SDK not configured properly'];
        }

        try {
            // Try to get a simple product list to test connection
            $result = $this->getProductList(['page_size' => 1]);
            
            if($result !== false) {
                return ['success' => true, 'message' => 'Connection successful'];
            } else {
                return ['success' => false, 'error' => $this->last_error];
            }
            
        } catch (Exception $e) {
            return ['success' => false, 'error' => $e->getMessage()];
        }
    }

    /**
     * Check if SDK is properly configured
     */
    public function isConfigured()
    {
        return !empty($this->app_key) && !empty($this->secret_key) && !empty($this->access_token);
    }

    /**
     * Convert Miravia product format to AliExpress API format
     */
    private function convertToAliExpressFormat($miraviaProduct)
    {
        $aliexpressProduct = [
            'subject' => $miraviaProduct['name'] ?? '',
            'category_id' => $miraviaProduct['id_category'] ?? '',
            'language' => 'en',
            'currency_code' => 'EUR',
            'package_type' => true,
            'product_price' => $miraviaProduct['price'] ?? '0',
            'product_unit' => 100,
            'package_length' => $miraviaProduct['length'] ?? 1,
            'package_width' => $miraviaProduct['width'] ?? 1,
            'package_height' => $miraviaProduct['height'] ?? 1,
            'gross_weight' => $miraviaProduct['weight'] ?? '0.1',
            'detail' => $miraviaProduct['description'] ?? '',
            'image_u_r_ls' => implode(';', $miraviaProduct['Images']['Image'] ?? []),
            'package_quantity' => 1,
            'ws_display' => 'N',
            'ws_offline_date' => '',
            'freight_template_id' => 0,
            'product_status_type' => 'onSelling'
        ];

        // Add SKU information
        if (!empty($miraviaProduct['sku'])) {
            $aliexpressProduct['aeop_ae_product_s_k_us'] = [
                [
                    'sku_code' => $miraviaProduct['sku'],
                    'sku_price' => $miraviaProduct['price'] ?? '0',
                    'sku_stock' => $miraviaProduct['quantity'] ?? '0',
                    'currency_code' => 'EUR',
                    'id' => ''
                ]
            ];
        }

        if(class_exists('LOG')) {
            LOG::add("DEBUG SDK: Converted product format: " . json_encode($aliexpressProduct));
        }

        return $aliexpressProduct;
    }
}