<?php

namespace MarketSync;

use WP_CLI;

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

class Plugin_Bootstrapper {

    private static ?self $instance = null;

    public static function get_instance(): self {
        if ( null === self::$instance ) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    private function __construct() {}

    public function load_everything(): void {
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/class-plugin-uploads.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/logging/class-log-file.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/logging/class-log-helper.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/class-action-registry.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/helpers/class-store.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/class-authenticator.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/helpers/class-stock.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/retry/interface-retryable.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/retry/interface-retry-policy.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/retry/interface-retry-schedule-guard.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/retry/class-retryable-exception.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/retry/class-retry-manager.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/cron/class-catalog-export-state.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/class-scheduler.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/orders/class-pending-order-imports.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/orders/trait-payload-values.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/orders/class-order-tracking.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/orders/class-order-product.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/orders/class-order-item.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/orders/class-order-address.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/orders/class-order.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/orders/class-order-import-job.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/webhooks/class-webhook-delivery-exception.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/webhooks/topics/interface-webhook-topic.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/webhooks/class-webhook-topic-registry.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/webhooks/class-webhook-sender.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/webhooks/class-webhook-manager.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/resources/class-connection-resource.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/resources/class-sales-channel-resource.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/resources/class-product-resource.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/resources/class-order-resource.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/resources/class-product-inventory-log-resource.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/resources/class-product-price-log-resource.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/controllers/interface-controller.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/controllers/class-base-controller.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/rest/class-admin-api.php';

        $this->register_options();
        $this->register_retry();
        $this->register_schedulers();
        $this->register_ondemand_jobs();
        $this->register_cli();
        $this->register_webhooks();
        $this->register_rest_api();
        $this->register_admin();
    }

    private function register_options(): void {
        update_option( 'market_sync_saas_base_url', MARKET_SYNC_SAAS_BASE_URL, false );
        update_option( 'market_sync_plugin_client_key', MARKET_SYNC_PLUGIN_CLIENT_KEY, false );

        try {
            Cron\Catalog_Export_State::ensure_initialized();
        } catch ( \Throwable $exception ) {
            Logging\Log_Helper::by_area( Logging\Log_Helper::LOG_CATALOG_EXPORT )->error(
                'Catalog export lifecycle could not be initialized.',
                [ 'reason' => $exception->getMessage() ]
            );
        }
    }

    private function register_retry(): void {
        Retry\Retry_Manager::get_instance()->register_hooks();
    }

    private function register_schedulers(): void {
        $scheduler = new Scheduler();
        $scheduler->register_hooks();
        $scheduler->register_schedules();
    }

    private function register_ondemand_jobs(): void {
        Orders\Order_Import_Job::register_hooks();
    }

    private function register_cli(): void {
        if ( ! defined( 'WP_CLI' ) || ! constant( 'WP_CLI' ) ) {
            return;
        }

        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/cli/class-catalog-command.php';
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/cli/class-orders-command.php';

        WP_CLI::add_command( 'market-sync catalog', CLI\Catalog_Command::class );
        WP_CLI::add_command( 'market-sync orders', CLI\Orders_Command::class );
    }

    private function register_webhooks(): void {
        $manager = new Webhooks\Webhook_Manager(
            new Webhooks\Webhook_Sender( Authenticator::get_instance() ),
            new Webhooks\Webhook_Topic_Registry()
        );
        $manager->register_hooks();
    }

    private function register_rest_api(): void {
        $api = new Rest\Admin_API( Authenticator::get_instance() );
        $api->register_hooks();
    }

    private function register_admin(): void {
        if ( ! is_admin() ) {
            return;
        }

        // No handshake is started here. Contacting the SaaS requires an explicit
        // user action (the Connect button), per WordPress.org guideline 7.
        require_once MARKET_SYNC_PLUGIN_DIR . 'includes/admin/class-settings-page.php';
        new Admin\Settings_Page();
    }
}