<?php

namespace WooOrderCart\Front\Checkout;

use WooOrderCart\Front\Checkout\Portal\CheckoutPortalAssetBridge;
use WooOrderCart\Front\Checkout\Portal\CheckoutPortalCompatRegistry;
use WooOrderCart\Front\Checkout\Portal\Compatibility\CheckoutPortalCompatibilityGate;
use WooOrderCart\Front\Checkout\Portal\CheckoutPortalExtensionRegistry;
use WooOrderCart\Front\Checkout\Portal\CheckoutPortalShell;
use WooOrderCart\Front\Checkout\Runtime\CheckoutExecutionModeResolver;
use WooOrderCart\Front\Checkout\Runtime\CheckoutPortalBridgePayloadBuilder;

class CheckoutPortalController {
    public static function maybe_render(): void {
        $is_received_page = function_exists( 'is_order_received_page' ) && is_order_received_page();
        $is_pay_page = function_exists( 'is_checkout_pay_page' ) && is_checkout_pay_page();

        if ( is_admin() || ! function_exists( 'is_checkout' ) || ! is_checkout() || $is_received_page || $is_pay_page ) {
            return;
        }

        if ( ! self::is_enabled() || ! CheckoutRenderMode::is_portal( self::render_mode() ) ) {
            return;
        }

        if ( self::should_bypass_portal() ) {
            return;
        }

        if ( ! CheckoutPortalCompatibilityGate::can_use_portal() ) {
            return;
        }

        if ( ! CheckoutPageInspector::can_use_react_portal() ) {
            return;
        }

        nocache_headers();
        show_admin_bar( false );
        self::render_document();
        exit;
    }

    private static function render_document(): void {
        $compat_registry = new CheckoutPortalCompatRegistry();
        $extension_registry = new CheckoutPortalExtensionRegistry();
        $asset_bridge = new CheckoutPortalAssetBridge( $compat_registry, $extension_registry );

        $asset_bridge->bootstrap_assets();
        $runtime_meta = CheckoutDataBuilder::build_runtime_meta(
            [
                'execution' => CheckoutExecutionModeResolver::build_runtime_payload(),
                'bridge' => CheckoutPortalBridgePayloadBuilder::build( $compat_registry, $extension_registry, $asset_bridge ),
            ]
        );
        $runtime_payload = $extension_registry->extend_runtime_payload( CheckoutDataBuilder::build_runtime_payload( $runtime_meta ) );

        ( new CheckoutPortalShell() )->render( $runtime_payload, $asset_bridge );
    }

    private static function is_enabled(): bool {
        return 'on' === wooordercart_get_option( 'enable_checkout', 'checkout_settings_tabs', 'off' );
    }

    private static function render_mode(): string {
        return CheckoutRenderMode::current();
    }

    private static function should_bypass_portal(): bool {
        if ( 'classic' === (string) filter_input( INPUT_GET, 'ipscmi_order_cart_checkout_mode', FILTER_SANITIZE_FULL_SPECIAL_CHARS ) ) {
            return true;
        }

        return self::is_amazon_result_return_request();
    }

    private static function is_amazon_result_return_request(): bool {
        $is_amazon_gateway = 'true' === (string) filter_input( INPUT_GET, 'amazon_payments_advanced', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
        $is_result_return = '1' === (string) filter_input( INPUT_GET, 'amazon_return', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
        $checkout_session_id = (string) filter_input( INPUT_GET, 'amazonCheckoutSessionId', FILTER_SANITIZE_FULL_SPECIAL_CHARS );

        return $is_amazon_gateway && $is_result_return && '' !== $checkout_session_id;
    }

}