<?php
/**
 * Tier: patterns (also runs for blocks/all).
 *
 * @package Zero_Blocks_Given
 *
 * Removes WC's BlockPatterns directory scanner. When mode ∈ {blocks, all},
 * also unregisters BlockTypesController::register_blocks.
 *
 * Hooked on `woocommerce_blocks_loaded` (NOT init prio 1) to avoid races —
 * WC registers these as closures wrapping instance methods, so the only
 * correct removal path is via the DI container.
 */

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

/**
 * Register the patterns tier (always runs).
 *
 * Removes BlockPatterns scanner methods from `init`. If `$mode` upgrades to
 * `blocks` or `all`, also removes BlockTypesController::register_blocks.
 *
 * @param string $mode Resolved tier — one of 'patterns', 'blocks', 'keep-styles', 'all', 'nuclear'.
 * @return void
 */
function zeroblg_register_tier_patterns( string $mode ): void {
	add_action(
		'woocommerce_blocks_loaded',
		static function () use ( $mode ): void {
			if ( ! class_exists( 'Automattic\WooCommerce\Blocks\Package' ) ) {
				return;
			}

			try {
				$container = \Automattic\WooCommerce\Blocks\Package::container();
				$bp        = $container->get( \Automattic\WooCommerce\Blocks\BlockPatterns::class );

				try {
					remove_action( 'init', array( $bp, 'register_block_patterns' ) );
				} catch ( \Throwable $e ) {
					unset( $e ); // Method missing on this WC version — safe to ignore.
				}

				try {
					remove_action( 'init', array( $bp, 'register_ptk_patterns' ) );
				} catch ( \Throwable $e ) {
					unset( $e ); // Method missing on this WC version — safe to ignore.
				}
			} catch ( \Throwable $e ) {
				unset( $e ); // DI miss — safe to ignore.
			}

			if ( in_array( $mode, array( 'blocks', 'keep-styles', 'all', 'nuclear' ), true ) ) {
				try {
					$btc = \Automattic\WooCommerce\Blocks\Package::container()
						->get( \Automattic\WooCommerce\Blocks\BlockTypesController::class );
					remove_action( 'init', array( $btc, 'register_blocks' ) );
				} catch ( \Throwable $e ) {
					unset( $e ); // DI miss — safe to ignore.
				}
			}
		}
	);
}