<?php

if (!defined('ABSPATH')) { exit; }

if ( ! class_exists( 'AIEO_Runtime_TRS_Store_API', false ) ) {
class AIEO_Runtime_TRS_Store_API {

    public static function register() {
        add_action('woocommerce_blocks_loaded', array(__CLASS__, 'register_extensions'));
    }

    public static function register_extensions() {
        if (!class_exists('Automattic\\WooCommerce\\StoreApi\\Schemas\\ExtendSchema')) { return; }

        try {
            $extend = Automattic\WooCommerce\StoreApi\StoreApi::container()->get(
                Automattic\WooCommerce\StoreApi\Schemas\ExtendSchema::class
            );
        } catch (\Throwable $e) {
            return;
        }

        $endpoints = array();
        if (class_exists('Automattic\\WooCommerce\\StoreApi\\Schemas\\V1\\CartSchema')) {
            $endpoints[] = Automattic\WooCommerce\StoreApi\Schemas\V1\CartSchema::IDENTIFIER;
        }
        if (class_exists('Automattic\\WooCommerce\\StoreApi\\Schemas\\V1\\CheckoutSchema')) {
            $endpoints[] = Automattic\WooCommerce\StoreApi\Schemas\V1\CheckoutSchema::IDENTIFIER;
        }
        foreach ($endpoints as $endpoint) {
            $extend->register_endpoint_data(array(
                'endpoint'        => $endpoint,
                'namespace'       => 'aieo_table_rate',
                'data_callback'   => array(__CLASS__, 'data_callback'),
                'schema_callback' => array(__CLASS__, 'schema_callback'),
            ));
        }
    }

    
    public static function data_callback() {
        $payload = array(
            'rates'              => array(),
            'free_shipping_qual' => false,
            'smart_label_prefix' => '',
        );
        if (!function_exists('WC') || !WC()->cart) { return $payload; }

        
        $packages = WC()->cart->get_shipping_packages();
        if (empty($packages)) { return $payload; }

        $package = reset($packages);
        if (!is_array($package)) { return $payload; }

        
        
        
        if (class_exists('AIEO_DMM_Smart_Shipping_Label') &&
            method_exists('AIEO_DMM_Smart_Shipping_Label', 'guest_prefix_label')) {
            $payload['smart_label_prefix'] = (string) AIEO_DMM_Smart_Shipping_Label::guest_prefix_label();
        }

        
        
        if (class_exists('AIEO_DMM_Free_Shipping') &&
            method_exists('AIEO_DMM_Free_Shipping', 'cart_qualifies_for_free')) {
            $payload['free_shipping_qual'] = (bool) AIEO_DMM_Free_Shipping::cart_qualifies_for_free($package);
        }

        
        
        
        
        
        $rates_out = array();
        if (!empty($package['rates']) && is_array($package['rates'])) {
            foreach ($package['rates'] as $rate_id => $rate) {
                if (!is_object($rate)) { continue; }
                if ($rate->method_id !== 'aieo_table_rate') { continue; }
                $rates_out[] = array(
                    'rate_id' => (string) $rate_id,
                    'label'   => (string) $rate->label,
                    'cost'    => (float)  $rate->cost,
                    'rule_id' => (int) ($rate->get_meta_data()['aieo_rule_id'] ?? 0),
                );
            }
        }
        $payload['rates'] = $rates_out;

        return $payload;
    }

    public static function schema_callback() {
        return array(
            'rates' => array(
                'description' => __('AIEO-resolved shipping rates with their underlying rule ids.', 'ai-eshop-optimizer'),
                'type'        => 'array',
                'context'     => array('view', 'edit'),
                'readonly'    => true,
                'items'       => array(
                    'type'       => 'object',
                    'properties' => array(
                        'rate_id' => array('type' => 'string', 'context' => array('view'), 'readonly' => true),
                        'label'   => array('type' => 'string', 'context' => array('view'), 'readonly' => true),
                        'cost'    => array('type' => 'number', 'context' => array('view'), 'readonly' => true),
                        'rule_id' => array('type' => 'integer','context' => array('view'), 'readonly' => true),
                    ),
                ),
            ),
            'free_shipping_qual' => array(
                'description' => __('True if the cart already qualifies for free shipping.', 'ai-eshop-optimizer'),
                'type'        => 'boolean',
                'context'     => array('view', 'edit'),
                'readonly'    => true,
            ),
            'smart_label_prefix' => array(
                'description' => __('Smart-label "From X.XX" prefix string for guest carts.', 'ai-eshop-optimizer'),
                'type'        => 'string',
                'context'     => array('view', 'edit'),
                'readonly'    => true,
            ),
        );
    }
}

}