<?php
/**
 * Lightweight WordPress stubs for the page/display schema save contract.
 */

namespace {
	define('ABSPATH', __DIR__);
	$GLOBALS['aksrt_test_options'] = [];
	$GLOBALS['aksrt_test_manage_options'] = false;
	$GLOBALS['aksrt_visibility_query'] = '';
	$GLOBALS['aksrt_visibility_page_config'] = [];

	final class WP_Query {
		/** @var array<string,mixed> */
		private array $vars;

		/** @param array<string,mixed> $vars */
		public function __construct(array $vars = []) {
			$this->vars = $vars;
		}

		/** @return mixed */
		public function get(string $key) {
			return $this->vars[$key] ?? null;
		}
	}

	$GLOBALS['wp_query'] = new WP_Query();

	function sanitize_key($value): string {
		return preg_replace('/[^a-z0-9_\-]/', '', strtolower((string) $value));
	}

	function sanitize_text_field($value): string {
		return trim(strip_tags((string) $value));
	}

	function sanitize_textarea_field($value): string {
		return trim(strip_tags((string) $value));
	}

	function wp_kses_post($value): string {
		$value = preg_replace('#<script\b[^>]*>.*?</script>#is', '', (string) $value);
		return strip_tags($value, '<a><b><strong><em><i><span><div><p><br><badge>');
	}

	function esc_url_raw($value): string {
		$value = trim((string) $value);
		if ($value === '') {
			return '';
		}
		$scheme = strtolower((string) parse_url($value, PHP_URL_SCHEME));
		return in_array($scheme, ['http', 'https', 'mailto'], true) ? $value : '';
	}

	function wp_unslash($value) {
		return $value;
	}

	function trailingslashit($value): string {
		return rtrim((string) $value, '/\\') . '/';
	}

	function get_template_directory_uri(): string {
		return 'https://example.test/wp-content/themes/aksrt';
	}

	function home_url($path = ''): string {
		return 'https://example.test' . ($path ? '/' . ltrim((string) $path, '/') : '');
	}

	function get_bloginfo($show = ''): string {
		return $show === 'title' ? 'AKSRT' : 'AKSRT';
	}

	function get_option($key, $default = false) {
		return array_key_exists($key, $GLOBALS['aksrt_test_options']) ? $GLOBALS['aksrt_test_options'][$key] : $default;
	}

	function get_query_var(string $key) {
		if ($key === 'aksrt_message_view' && $GLOBALS['aksrt_visibility_query'] === 'message') {
			return 'unread';
		}
		return '';
	}

	function update_option($key, $value): bool {
		$GLOBALS['aksrt_test_options'][$key] = $value;
		return true;
	}

	function current_user_can($capability): bool {
		return $capability === 'manage_options' && !empty($GLOBALS['aksrt_test_manage_options']);
	}

	function is_admin(): bool { return false; }
	function wp_is_mobile(): bool { return false; }
	function is_home(): bool {
		// Custom rewrites can leave WordPress's posts-page flag set even though
		// the theme resolves the request to another front-end surface.
		return in_array($GLOBALS['aksrt_visibility_query'], [
			'home', 'page', 'message', 'user_home', 'user_center', 'user_home_page', 'user_center_page',
		], true);
	}
	function is_front_page(): bool { return $GLOBALS['aksrt_visibility_query'] === 'home'; }
	function is_category(): bool { return $GLOBALS['aksrt_visibility_query'] === 'category'; }
	function is_tag(): bool { return $GLOBALS['aksrt_visibility_query'] === 'tag'; }
	function is_author(): bool { return $GLOBALS['aksrt_visibility_query'] === 'author'; }
	function is_singular(string $type = ''): bool { return $type === 'post' && $GLOBALS['aksrt_visibility_query'] === 'single'; }
	function is_search(): bool { return $GLOBALS['aksrt_visibility_query'] === 'search'; }
	function is_page(): bool {
		return in_array($GLOBALS['aksrt_visibility_query'], ['page', 'user_home_page', 'user_center_page'], true);
	}
	function is_page_template(string $template): bool { return false; }
	function get_queried_object_id(): int { return 42; }

	/** @return mixed */
	function get_post_meta(int $post_id, string $key, bool $single = false) {
		return $GLOBALS['aksrt_visibility_page_config'];
	}

	function aksrt_is_user_home_page(): bool {
		return in_array($GLOBALS['aksrt_visibility_query'], ['user_home', 'user_home_page'], true);
	}

	function aksrt_is_user_center_page(): bool {
		return in_array($GLOBALS['aksrt_visibility_query'], ['user_center', 'user_center_page'], true);
	}
}

namespace AKSRT\Settings {
	class Settings {
		/** @var array<string,mixed> */
		public static array $headerSlider = [];

		public static function flush_settings_cache(): void {}

		/** @return array<string,mixed> */
		public static function get_header_slider_settings(): array {
			return self::$headerSlider;
		}
	}
}

namespace {
	require_once dirname(__DIR__, 2) . '/src/Ledger/AssetType.php';
	require_once dirname(__DIR__, 2) . '/src/Ledger/AssetAmount.php';
	require_once dirname(__DIR__, 2) . '/src/Admin/Schema/SchemaPageDisplay.php';
	require_once dirname(__DIR__, 2) . '/src/Admin/Schema/SchemaPayment.php';
	require_once dirname(__DIR__, 2) . '/src/Admin/SchemaProvider.php';
	require_once dirname(__DIR__, 2) . '/src/Admin/ControllerBase.php';
	require_once dirname(__DIR__, 2) . '/inc/helpers/homepage/header-components.php';

	$controller = new class extends \AKSRT\Admin\ControllerBase {
		public function register_routes(): void {}
	};
	$provider = \AKSRT\Admin\SchemaProvider::get_instance();

	$permission_denied = !$controller->check_permission();
	$GLOBALS['aksrt_test_manage_options'] = true;
	$permission_allowed = $controller->check_permission();
	$unknown_section = $provider->get_section_schema('page_display', 'missing') === null;
	$homepage_defaults = $provider->get_defaults('page_display', 'homepage');
	$footer_defaults = $provider->get_defaults('page_display', 'footer');

	$invalid = $provider->sanitize_payload('page_display', ['page_header_style' => '9'], 'other');
	$invalid_validation = $provider->validate('page_display', $invalid, 'other');

	$header_payload = [
		'header_slider' => [[
			'background' => 'javascript:alert(1)',
			'unknown' => 'drop-me',
			'link' => ['url' => 'https://example.test/slide', 'target' => '_blank', 'text' => '<b>Go</b>', 'unknown' => 'drop-me'],
			'text' => ['title' => '<strong>Safe</strong><script>bad()</script>', 'desc' => '<em>Copy</em>', 'unknown' => 'drop-me'],
		]],
	];
	$header_clean = $provider->sanitize_payload('page_display', $header_payload, 'header-components');

	$footer_payload = [
		// Empty means no preset background; it must remain a valid optional palette value.
		'footer_theme_bg' => '',
		'fcode_t1_code' => '<strong>Allowed</strong><script>bad()</script>',
		'footer_contact_weibo' => 'javascript:alert(1)',
		'footer_mini_img' => [[
			'text' => '<b>QR</b>',
			'image' => 'https://example.test/qr.png',
			'link' => ['url' => 'https://example.test/go', 'target' => '_blank', 'text' => 'Open', 'unknown' => 'drop-me'],
			'unknown' => 'drop-me',
		]],
		'unknown_top_level' => 'drop-me',
	];
	$footer_clean = $provider->sanitize_payload('page_display', $footer_payload, 'footer');
	$footer_validation = $provider->validate('page_display', $footer_clean, 'footer');
	$provider->write_settings('page_display', $footer_clean, 'footer');
	$footer_readback = $provider->read_settings('page_display', 'footer');

	$vip_clean = $provider->sanitize_payload('payment', [
		'nav_pay_vip'      => false,
		'nav_user_pay_vip' => true,
		'unknown_vip_key'  => true,
	], 'vip');
	$vip_validation = $provider->validate('payment', $vip_clean, 'vip');
	$provider->write_settings('payment', $vip_clean, 'vip');
	$vip_readback = $provider->read_settings('payment', 'vip');

	$category_payload = [
		'cat_orderby_option' => [
			'lists' => ['modified', 'views', 'like', 'comment_count'],
			'dropdown' => false,
		],
	];
	$category_clean = $provider->sanitize_payload('page_display', $category_payload, 'category');
	$category_validation = $provider->validate('page_display', $category_clean, 'category');

	/**
	 * @param list<string> $show_on
	 * @param array<string,mixed> $page_config
	 */
	function aksrt_visibility_case(string $query, array $show_on, array $page_config = []): bool {
		$GLOBALS['aksrt_visibility_query'] = $query;
		$GLOBALS['aksrt_visibility_page_config'] = $page_config;
		\AKSRT\Settings\Settings::$headerSlider = [
			'show_on_pages' => $show_on,
			'show_type'     => '',
		];
		return aksrt_header_slide_is_show();
	}

	$enabled_page_override = [
		'header_slider_show'      => true,
		'header_slider_show_type' => '',
	];
	$visibility = [
		'disabled'                     => aksrt_visibility_case('home', []),
		'disabled_with_page_override'  => aksrt_visibility_case('page', [], $enabled_page_override),
		'page_enabled'                 => aksrt_visibility_case('page', ['page'], $enabled_page_override),
		'public_user_home'             => aksrt_visibility_case('user_home', ['user_home']),
		'user_center'                  => aksrt_visibility_case('user_center', ['user_center']),
		'legacy_author_public_home'    => aksrt_visibility_case('user_home', ['author']),
		'generic_page_excludes_home'   => aksrt_visibility_case('user_home_page', ['page']),
		'generic_page_excludes_center' => aksrt_visibility_case('user_center_page', ['page']),
		'templated_public_user_home'   => aksrt_visibility_case('user_home_page', ['user_home']),
		'templated_user_center'        => aksrt_visibility_case('user_center_page', ['user_center']),
		'home_excludes_page'           => aksrt_visibility_case('page', ['home']),
		'message_uses_other_page'       => aksrt_visibility_case('message', ['page']),
		'message_excludes_home'         => aksrt_visibility_case('message', ['home']),
		'home_excludes_public_home'    => aksrt_visibility_case('user_home', ['home']),
		'home_excludes_user_center'    => aksrt_visibility_case('user_center', ['home']),
	];

	echo json_encode([
		'permission_denied' => $permission_denied,
		'permission_allowed' => $permission_allowed,
		'unknown_section' => $unknown_section,
		'homepage_defaults' => $homepage_defaults,
		'footer_defaults' => $footer_defaults,
		'invalid_enum_rejected' => !$invalid_validation['valid'],
		'nested_multiselect_valid' => $category_validation['valid'],
		'nested' => $header_clean,
		'footer_valid' => $footer_validation['valid'],
		'footer_clean' => $footer_clean,
		'footer_readback' => $footer_readback,
		'vip_switches_valid' => $vip_validation['valid'],
		'vip_switches_clean' => $vip_clean,
		'vip_switches_readback' => [
			'nav_pay_vip' => $vip_readback['nav_pay_vip'] ?? null,
			'nav_user_pay_vip' => $vip_readback['nav_user_pay_vip'] ?? null,
		],
		'visibility' => $visibility,
	], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
}