<?php
/**
 * For cart related functionality
 */

// Fetch cart data on cart and mini cart page

use Automattic\WooCommerce\Utilities\OrderUtil;

function fetchCartData(WP_REST_Request $request)
{
    try
    {
        rzpLogInfo("fetchCartData");
        global $woocommerce;

        $params = $request->get_params();
        $logObj = ['api' => 'fetchCartData', 'params' => $params];

        //Abandoment cart plugin decode the coupon code from token
        $couponCode = null;
        if (isset($params['token'])) {
            $token = sanitize_text_field($params['token']);
            parse_str(base64_decode(urldecode($token)), $token);
            if (is_array($token) && array_key_exists('wcf_session_id', $token) && isset($token['wcf_coupon_code'])) {
                $couponCode = $token['wcf_coupon_code'];
            }
        }

        initCartCommon();

        // check if cart is empty
        checkCartEmpty($logObj);

        // Get coupon if already added on cart.
        $couponCode = null;
        $coupons = WC()->cart->get_applied_coupons();
        if (!empty($coupons)) {
            $couponCode = $coupons[0];
        }

        $response = cartResponse($couponCode);

        $response['user'] = getCartUserObject();

        $response['plugins'] = getPluginsDetails();

        return new WP_REST_Response($response, 200);
    }
    catch (Throwable $e)
    {
        $rzp = new WC_Razorpay();
        $trackObject = $rzp->newTrackPluginInstrumentation();
        $properties = [
            'error' => $e->getMessage(),
            'code'  => $e->getCode(),
            'file'  => $e->getFile(),
            'line'  => $e->getLine()
        ];
        $trackObject->rzpTrackDataLake('razorpay.1cc.fetch.cart.processing.failed', $properties);
        rzpLogError(json_encode($properties));

        return new WP_REST_Response(['message' => "woocommerce server error : " . $e->getMessage()], 500);
    }
}

// create cart data on product page

function createCartData(WP_REST_Request $request)
{
    try
    {
        rzpLogInfo("createCartData");
        global $woocommerce;
        $params = $request->get_params();
        $logObj = ['api' => 'createCartData', 'params' => $params];

        $couponCode = null;
        initCartCommon();

        if (empty($params['pdpCheckout']) === false) {
            $variations = [];
            // Cleanup cart.
            WC()->cart->empty_cart();

            $variationId = (empty($params['variationId']) === false) ? (int) $params['variationId'] : 0;

            if (empty($params['variations']) === false) {
                $variationsArr = json_decode($params['variations'], true);

                foreach ($variationsArr as $key => $value) {
                    $varKey          = explode('_', $key);
                    $variationsKey[] = ucwords(end($varKey));
                    $variationsVal[] = ucwords($value);
                }

                $variations = array_combine($variationsKey, $variationsVal);
            }

            //To add custom fields to buy now orders
            if (empty($params['fieldObj']) === false) {
                foreach ($params['fieldObj'] as $key => $value) {
                    if (!empty($value)) {
                        $variations[$key] = $value;
                    }
                }
            }

            WC()->cart->add_to_cart($params['productId'], $params['quantity'], $variationId, $variations);
        }

        // check if cart is empty
        checkCartEmpty($logObj);

        $response = cartResponse($couponCode);

        $response['user'] = getCartUserObject();

        $response['plugins'] = getPluginsDetails();

        return new WP_REST_Response($response, 200);
    }
    catch (Throwable $e)
    {
        $rzp = new WC_Razorpay();
        $trackObject = $rzp->newTrackPluginInstrumentation();
        $properties = [
            'error' => $e->getMessage(),
            'code'  => $e->getCode(),
            'file'  => $e->getFile(),
            'line'  => $e->getLine()
        ];
        $trackObject->rzpTrackDataLake('razorpay.1cc.create.cart.processing.failed', $properties);
        rzpLogError(json_encode($properties));

        return new WP_REST_Response(['message' => "woocommerce server error : " . $e->getMessage()], 500);
    }
}

function getCartUserObject(): array {
    $user = [
        "logged_in" => false,
    ];
    if (is_user_logged_in()) {
        $current_user = wp_get_current_user();
        $user['logged_in'] = true;
        $user['email'] = $current_user->user_email;
    }
    return $user;
}

function getPluginsDetails(): array {
    $pluginData = [];
    if (is_plugin_active('woo-wallet/woo-wallet.php'))
    {
        $pluginData['terra-wallet'] = ['active' => true];
    }
    return $pluginData;
}

/**
 * Create the cart object for the line items exist in order
 */
function create1ccCart($orderId)
{
    global $woocommerce;

    $order = wc_get_order($orderId);

    $variationAttributes = [];
    if ($order && $order->get_item_count() > 0) {
        foreach ($order->get_items() as $item_id => $item) {
            $productId   = $item->get_product_id();
            $variationId = $item->get_variation_id();
            $quantity    = $item->get_quantity();

            $customData['item_id'] = $item_id;
            $product               = $item->get_product();
            if ($product->is_type('variation')) {
                $variation_attributes = $product->get_variation_attributes();
                foreach ($variation_attributes as $attribute_taxonomy => $term_slug) {
                    $taxonomy                                 = str_replace('attribute_', '', $attribute_taxonomy);
                    $value                                    = wc_get_order_item_meta($item_id, $taxonomy, true);
                    $variationAttributes[$attribute_taxonomy] = $value;
                }
            }

            $woocommerce->cart->add_to_cart($productId, $quantity, $variationId, $variationAttributes, $customData);
        }

        return true;
    } else {
        return false;
    }
}

function getCartLineItem()
{
    $cart = WC()->cart->get_cart();
    $i = 0;

    foreach($cart as $item_id => $item) {
        $product =  wc_get_product( $item['product_id']);
        $price = round($item['line_subtotal']*100) + round($item['line_subtotal_tax']*100);

        $type = "e-commerce";
        $productDetails = $product->get_data();
        $sku          = $product->get_sku();
        $productImage = $product->get_image_id()?? null;

        // If variation exists, use its image and SKU instead of parent product
        if (!empty($item['variation_id'])) {
			$variation_id = (int) $item['variation_id'];
			$variation = wc_get_product( $variation_id );
			if ( $variation && $variation->is_type( 'variation' ) ) {
				$productImage = $variation->get_image_id();
				$sku          = $variation->get_sku() ?: $sku;
			}
       	}
       // check product type for gift card plugin
       if(is_plugin_active('pw-woocommerce-gift-cards/pw-gift-cards.php') || is_plugin_active('yith-woocommerce-gift-cards/init.php')){
           if($product->is_type('variation')){
                $parentProductId = $product->get_parent_id();
                $parentProduct = wc_get_product($parentProductId);

                if($parentProduct->get_type() == 'pw-gift-card' || $parentProduct->get_type() == 'gift-card'){
                    $type = 'gift_card';
                }

           }else{

               if($product->get_type() == 'pw-gift-card' || $product->get_type() == 'gift-card'){
                      $type = 'gift_card';
               }
           }
       }

       $data[$i]['type'] = $type;
       $data[$i]['sku']  = $sku;
       $data[$i]['quantity'] = $item['quantity'];
       $data[$i]['name'] = mb_substr($product->get_title(), 0, 125, "UTF-8");
       $data[$i]['description'] = mb_substr($product->get_title(), 0, 250,"UTF-8");
       $data[$i]['product_id'] = $item['product_id'];
       $data[$i]['image_url']  = $productImage? wp_get_attachment_url( $productImage ) : null;
       $data[$i]['product_url'] = $product->get_permalink();
       $data[$i]['price'] = (empty($productDetails['price']) === false) ? (int)$productDetails['price'] * 100 / $item['quantity'] : 0;
       $data[$i]['variant_id'] = $item['variation_id'];
       $data[$i]['offer_price'] = (empty($productDetails['sale_price']) === false) ? (int)$productDetails['sale_price'] * 100 : $price / $item['quantity'];
       if ($data[$i]['price'] < $data[$i]['offer_price']) {
           $data[$i]['price'] = $data[$i]['offer_price'];
       }
       $i++;
    }

    return $data;
}

function getPrefillCartData($couponCode){

    $currentUser = wp_get_current_user();

    if ($currentUser instanceof WP_User) {
        $prefillData['email']   = $current_user->user_email ?? '';
        $contact = get_user_meta($current_user->ID, 'billing_phone', true);
        $prefillData['contact'] = $contact ?? '';
        $prefillData['coupon_code'] = $couponCode ?? '';
    }

    return $prefillData;
}

function checkCartEmpty($logObj){

    if (WC()->cart->get_cart_contents_count() == 0) {
        $response = ['message' => 'Cart cannot be empty', 'code' => 'BAD_REQUEST_EMPTY_CART'];

        $logObj['status_code'] = 400;
        $logObj['response'] = $response;

        rzpLogError(json_encode($logObj));

        $rzp = new WC_Razorpay();
        $trackObject = $rzp->newTrackPluginInstrumentation();
        $properties = [
            'error' => 'Cart cannot be empty',
            'log'   => $logObj
        ];
        $trackObject->rzpTrackDataLake('razorpay.1cc.empty.cart.error', $properties);

        return new WP_REST_Response($response, 400);
    }
}

function cartResponse($couponCode){

    //Get Cart line Item
    $data = getCartLineItem();
    $cartTotal = WC()->cart->subtotal;
    $response['cart'] = ['line_items' => $data, 'promotions' => $couponCode,  'total_price' => round($cartTotal*100)];

    $razorpay = new WC_Razorpay(false);
    $response["_"] = $razorpay->getVersionMetaInfo();

    $prefillData = getPrefillCartData($couponCode);
    $response['prefill'] = $prefillData;

    $response['enable_ga_analytics'] = get_option('woocommerce_razorpay_settings')['enable_1cc_ga_analytics'] === 'yes' ? true : false;
    $response['enable_fb_analytics'] = get_option('woocommerce_razorpay_settings')['enable_1cc_fb_analytics'] === 'yes' ? true : false;

    $response += ['redirect' => true, 'one_click_checkout' => true, 'mandatory_login' => false, 'key' => get_option('woocommerce_razorpay_settings')['key_id'], 'name' => html_entity_decode(get_bloginfo('name'), ENT_QUOTES), 'currency' => 'INR'];

    return $response;
}

function isHposEnabled(){
    return class_exists('Automattic\WooCommerce\Utilities\OrderUtil') && OrderUtil::custom_orders_table_usage_is_enabled();
}