<?php
/** Phone binding and native profile persistence contract harness. */

declare(strict_types=1);

namespace {
	define('ABSPATH', __DIR__ . '/');
	define('MINUTE_IN_SECONDS', 60);
	define('HOUR_IN_SECONDS', 3600);
	$GLOBALS['aksrt_profile_meta'] = [];
	$GLOBALS['aksrt_profile_users'] = [];
	$GLOBALS['aksrt_nonce_valid'] = true;
	$GLOBALS['aksrt_can_edit_user'] = true;
	$GLOBALS['aksrt_current_user_id'] = 7;
	$GLOBALS['aksrt_transients'] = [];
	$GLOBALS['aksrt_expected_sms_code'] = '246810';

	final class WP_User {
		public function __construct(public int $ID) {}
	}

	final class WP_Error {
		private array $errors = [];
		public function add(string $code, string $message): void { $this->errors[$code][] = $message; }
		public function get_error_codes(): array { return array_keys($this->errors); }
	}
	final class WP_REST_Request {
		public function __construct(private array $params = [], private string $nonce = 'ok') {}
		public function get_json_params(): array { return $this->params; }
		public function get_header(string $name): string { return $name === 'X-WP-Nonce' ? $this->nonce : ''; }
	}
	final class WP_REST_Response {
		public function __construct(public array $data, public int $status = 200) {}
	}
	function is_wp_error($value): bool { return $value instanceof WP_Error; }

	function is_admin(): bool { return true; }
	function current_user_can(string $capability, ...$args): bool { return $GLOBALS['aksrt_can_edit_user']; }
	function is_user_logged_in(): bool { return true; }
	function get_current_user_id(): int { return (int) ($GLOBALS['aksrt_current_user_id'] ?? 7); }
	function get_user_meta(int $user_id, string $key, bool $single = false) {
		$value = $GLOBALS['aksrt_profile_meta'][$user_id][$key] ?? '';
		return $single ? $value : ($value === '' ? [] : [$value]);
	}
	function update_user_meta(int $user_id, string $key, $value): bool {
		$GLOBALS['aksrt_profile_meta'][$user_id][$key] = $value;
		return true;
	}
	function get_users(array $args = []): array {
		$results = [];
		foreach ($GLOBALS['aksrt_profile_meta'] as $user_id => $meta) {
			if (in_array((int) $user_id, array_map('intval', $args['exclude'] ?? []), true)) continue;
			if (($meta[$args['meta_key'] ?? ''] ?? null) !== ($args['meta_value'] ?? null)) continue;
			$results[] = in_array(($args['fields'] ?? ''), ['ids', 'ID'], true) ? (int) $user_id : new WP_User((int) $user_id);
			if (count($results) >= (int) ($args['number'] ?? 1)) break;
		}
		return $results;
	}
	function sanitize_text_field($value): string { return trim(strip_tags((string) $value)); }
	function sanitize_textarea_field($value): string { return sanitize_text_field($value); }
	function sanitize_key($value): string { return preg_replace('/[^a-z0-9_\-]/', '', strtolower((string) $value)) ?? ''; }
	function wp_unslash($value) { return $value; }
	function esc_url_raw($value): string {
		$value = trim((string) $value);
		return $value === '' || filter_var($value, FILTER_VALIDATE_URL) ? $value : '';
	}
	function wp_verify_nonce(string $nonce, string $action): bool { return $GLOBALS['aksrt_nonce_valid'] && $nonce === 'ok'; }
	function aksrt_require_captcha(string $scene, array $payload): bool { return true; }
	function get_transient(string $key) { return $GLOBALS['aksrt_transients'][$key] ?? false; }
	function set_transient(string $key, $value, int $expiration = 0): bool { $GLOBALS['aksrt_transients'][$key] = $value; return true; }
	function delete_transient(string $key): bool { unset($GLOBALS['aksrt_transients'][$key]); return true; }
	function wp_check_password(string $password, string $hash): bool { return $hash === 'fixture-hash' && $password === $GLOBALS['aksrt_expected_sms_code']; }
	function wp_update_user(array $data) { return (int) ($data['ID'] ?? 0); }
	function do_action(...$args): void {}
	function add_action(...$args): void {}
	function add_filter(...$args): void {}
	function __(string $text, string $domain = ''): string { return $text; }
	function esc_attr(string $value): string { return htmlspecialchars($value, ENT_QUOTES); }
	function esc_html_e(string $text, string $domain = ''): void { echo htmlspecialchars($text, ENT_QUOTES); }
	function esc_attr_e(string $text, string $domain = ''): void { echo htmlspecialchars($text, ENT_QUOTES); }
	function esc_url(string $value): string { return $value; }
	function selected($selected, $current = true, bool $echo = true): string { return (string) $selected === (string) $current ? 'selected="selected"' : ''; }
	function wp_nonce_field(string $action, string $name): void {}
	function get_avatar(...$args): string { return '<img alt="">'; }
	function wp_max_upload_size(): int { return 2097152; }
	function size_format(int $bytes): string { return (string) $bytes; }
	function wp_check_filetype_and_ext(...$args): array { return []; }
	function wp_match_mime_types(...$args): bool { return true; }
	function wp_getimagesize(...$args): array|false { return false; }
	function wp_get_attachment_image_url(...$args): string|false { return false; }
	function get_post(...$args) { return null; }
	function get_post_meta(...$args) { return ''; }
	function wp_delete_attachment(...$args): bool { return true; }
	function get_current_screen() { return null; }

	require dirname(__DIR__, 2) . '/inc/helpers/aksrt-user-center.php';
}

namespace AKSRT\Sms {
	final class SMS {
		public static function is_phonenumber(string $phone): bool { return (bool) preg_match('/^1[3-9]\d{9}$/', $phone); }
	}
}

namespace AKSRT\Settings {
	final class Settings {
		public static function get_all(): array { return ['bind_phone' => true]; }
	}
}

namespace AKSRT\Auth {
	require dirname(__DIR__, 2) . '/src/Auth/ServicePart1b.php';
	final class PhoneHarnessService { use ServicePart1b; }
	final class Service { use ServicePart1b; }
}

namespace AKSRT\Admin {
	require dirname(__DIR__, 2) . '/src/Admin/UserControllerAuthPhoneOperations.php';
	final class PhoneOperationsHarness {
		use UserControllerAuthPhoneOperations;
		public function get_json_params(\WP_REST_Request $request): array { return $request->get_json_params(); }
		public function error(string $message, int $status = 400): \WP_REST_Response { return new \WP_REST_Response(['success' => false, 'message' => $message], $status); }
		public function success(array $data): \WP_REST_Response { return new \WP_REST_Response(array_merge(['success' => true], $data), 200); }
	}
}

namespace {
	require dirname(__DIR__, 2) . '/src/User/ProfileAdmin.php';

	function check(bool $condition, string $message): void {
		if (!$condition) throw new RuntimeException($message);
	}

	$GLOBALS['aksrt_profile_meta'][7] = [
		'aksrt_phone' => '13900000000',
		'aksrt_profile_details' => [
			'privacy' => 'public', 'gender' => 'female', 'website' => 'https://example.test',
			'qq' => '123456', 'wechat' => 'wxid', 'weibo' => 'https://weibo.com/user',
			'github' => 'https://github.com/user', 'address' => 'Shanghai',
		],
	];

	$bad_format = \AKSRT\Auth\PhoneHarnessService::bind_phone(['phone' => 'bad'], true);
	check(empty($bad_format['success']), 'phone binding accepted malformed number');
	$unverified = \AKSRT\Auth\PhoneHarnessService::bind_phone(['phone' => '13800000007'], false);
	check(empty($unverified['success']), 'phone binding accepted missing verification');

	$GLOBALS['aksrt_profile_meta'][8]['phone_number'] = '13800000008';
	$duplicate = \AKSRT\Auth\PhoneHarnessService::bind_phone(['phone' => '13800000008'], true);
	check(empty($duplicate['success']), 'phone binding accepted a number owned by another user');

	$bound = \AKSRT\Auth\PhoneHarnessService::bind_phone(['phone' => '13800000007'], true);
	check(!empty($bound['success']), 'verified phone binding failed');
	check(get_user_meta(7, 'phone_number', true) === '13800000007', 'verified phone was not stored in canonical meta');
	check(get_user_meta(7, 'aksrt_phone_verified', true) === '1', 'verified marker was not stored');
	check(get_user_meta(7, 'aksrt_phone', true) === '13900000000', 'legacy phone key was unexpectedly migrated or rewritten');

	$same_phone = \AKSRT\Auth\PhoneHarnessService::bind_phone(['phone' => '13800000007'], true);
	check(empty($same_phone['success']), 'binding accepted the current phone as a change');

	$phone_to_bind = '13800000010';
	$otp_key = 'aksrt_auth_code_' . md5('account_bind_new_phone_7|' . strtolower(trim($phone_to_bind)));
	$operations = new \AKSRT\Admin\PhoneOperationsHarness();
	$old_phone = '13800000007';
	$old_otp_key = 'aksrt_auth_code_' . md5('account_verify_old_phone_7|' . strtolower(trim($old_phone)));
	$GLOBALS['aksrt_transients'][$old_otp_key] = ['hash' => 'fixture-hash', 'attempts' => 0, 'expires' => time() + 300];
	$GLOBALS['aksrt_expected_sms_code'] = '246810';
	$wrong_old_code = $operations->user_verify_phone(new WP_REST_Request(['phone' => $old_phone, 'code' => '000000']));
	check(empty($wrong_old_code->data['success']), 'REST phone replacement accepted an incorrect old-number code');
	check(($GLOBALS['aksrt_transients'][$old_otp_key]['attempts'] ?? 0) === 1, 'incorrect old-number code attempt was not recorded');
	$GLOBALS['aksrt_transients'][$old_otp_key] = ['hash' => 'fixture-hash', 'attempts' => 0, 'expires' => time() - 1];
	$expired_old_code = $operations->user_verify_phone(new WP_REST_Request(['phone' => $old_phone, 'code' => '246810']));
	check(empty($expired_old_code->data['success']), 'REST phone replacement accepted an expired old-number code');
	check(!isset($GLOBALS['aksrt_transients'][$old_otp_key]), 'expired old-number code was not discarded');
	$GLOBALS['aksrt_transients'][$old_otp_key] = ['hash' => 'fixture-hash', 'attempts' => 0, 'expires' => time() + 300];
	$verified_old_phone = $operations->user_verify_phone(new WP_REST_Request(['phone' => $old_phone, 'code' => '246810']));
	check(!empty($verified_old_phone->data['success']), 'REST phone replacement rejected the correct old-number code');
	check(!isset($GLOBALS['aksrt_transients'][$old_otp_key]), 'valid old-number code was not consumed');
	check(($GLOBALS['aksrt_transients']['aksrt_account_phone_old_7']['phone'] ?? '') === $old_phone, 'old-number proof was not issued for the current account');
	$GLOBALS['aksrt_transients'][$otp_key] = ['hash' => 'fixture-hash', 'attempts' => 0, 'expires' => time() + 300];
	$wrong_code = $operations->user_bind_phone(new WP_REST_Request(['phone' => $phone_to_bind, 'code' => '000000']));
	check(empty($wrong_code->data['success']), 'REST phone binding accepted an incorrect SMS code');
	check(($GLOBALS['aksrt_transients'][$otp_key]['attempts'] ?? 0) === 1, 'incorrect SMS code attempt was not recorded');
	$GLOBALS['aksrt_transients'][$otp_key] = ['hash' => 'fixture-hash', 'attempts' => 0, 'expires' => time() - 1];
	$expired_code = $operations->user_bind_phone(new WP_REST_Request(['phone' => $phone_to_bind, 'code' => '246810']));
	check(empty($expired_code->data['success']), 'REST phone binding accepted an expired SMS code');
	check(!isset($GLOBALS['aksrt_transients'][$otp_key]), 'expired SMS code was not discarded');
	$duplicate_phone = '13800000008';
	$duplicate_otp_key = 'aksrt_auth_code_' . md5('account_bind_new_phone_7|' . strtolower(trim($duplicate_phone)));
	$GLOBALS['aksrt_transients'][$duplicate_otp_key] = ['hash' => 'fixture-hash', 'attempts' => 0, 'expires' => time() + 300];
	$duplicate_code = $operations->user_bind_phone(new WP_REST_Request(['phone' => $duplicate_phone, 'code' => '246810']));
	check(empty($duplicate_code->data['success']), 'REST phone binding accepted a number owned by another user');
	check(isset($GLOBALS['aksrt_transients'][$duplicate_otp_key]), 'duplicate-number validation consumed the valid SMS code');
	$GLOBALS['aksrt_transients'][$otp_key] = ['hash' => 'fixture-hash', 'attempts' => 0, 'expires' => time() + 300];
	$valid_code = $operations->user_bind_phone(new WP_REST_Request(['phone' => $phone_to_bind, 'code' => '246810']));
	check(!empty($valid_code->data['success']), 'REST phone binding rejected the correct SMS code');
	check(get_user_meta(7, 'phone_number', true) === $phone_to_bind, 'REST phone binding did not store the canonical phone meta');
	check(!isset($GLOBALS['aksrt_transients'][$otp_key]), 'valid SMS code was not consumed');
	check(!isset($GLOBALS['aksrt_transients']['aksrt_account_phone_old_7']), 'successful phone change did not consume the old-number proof');

	$initial_bind_user_id = 9;
	$initial_bind_phone = '13800000011';
	$initial_bind_code_key = 'aksrt_auth_code_' . md5('account_bind_new_phone_9|' . strtolower(trim($initial_bind_phone)));
	$GLOBALS['aksrt_current_user_id'] = $initial_bind_user_id;
	$GLOBALS['aksrt_transients'][$initial_bind_code_key] = ['hash' => 'fixture-hash', 'attempts' => 0, 'expires' => time() + 300];
	$initial_bind = $operations->user_bind_phone(new WP_REST_Request(['phone' => $initial_bind_phone, 'code' => '246810']));
	check(!empty($initial_bind->data['success']), 'first-time phone binding incorrectly required an old-number proof');
	check(get_user_meta($initial_bind_user_id, 'phone_number', true) === $initial_bind_phone, 'first-time phone binding did not store the canonical phone meta');
	check(!isset($GLOBALS['aksrt_transients'][$initial_bind_code_key]), 'successful first-time phone binding did not consume its SMS code');
	$GLOBALS['aksrt_current_user_id'] = 7;

	$_POST = [
		'aksrt_profile_admin_nonce' => 'ok',
		'aksrt_admin_avatar_nonce' => 'ok',
		'aksrt_profile_gender' => 'male',
		'aksrt_profile_qq' => '7654321',
		'aksrt_profile_wechat' => 'new-wechat',
		'aksrt_profile_weibo' => 'https://weibo.com/new-user',
		'aksrt_profile_github' => 'https://github.com/new-user',
		'aksrt_profile_website' => 'https://new.example.test',
		'aksrt_profile_address' => 'Beijing',
		'phone_number' => '13800000007',
		'aksrt_phone_edit_unlocked' => '0',
	];
	$_FILES = [];
	\AKSRT\User\ProfileAdmin::save(7);
	$details = aksrt_get_user_profile_details(7);
	check($details['privacy'] === 'public', 'admin profile update erased social privacy setting');
	check($details['gender'] === 'male' && $details['weibo'] === 'https://weibo.com/new-user' && $details['address'] === 'Beijing', 'admin profile fields did not persist');
	check($details['website'] === 'https://new.example.test', 'personal website field did not persist');

	$front_save = aksrt_save_user_center_profile(7, ['nickname' => 'Profile User']);
	check($front_save === true, 'user-center profile save failed');
	$details = aksrt_get_user_profile_details(7);
	check($details['weibo'] === 'https://weibo.com/new-user' && $details['address'] === 'Beijing', 'front profile save erased admin-added fields');
	$details['privacy'] = 'private';
	update_user_meta(7, 'aksrt_profile_details', $details);
	$private_view = aksrt_get_visible_user_profile_details(7, 9);
	check($private_view['weibo'] === '' && $private_view['address'] === '', 'private social details leaked to another viewer');
	$owner_view = aksrt_get_visible_user_profile_details(7, 7);
	check($owner_view['weibo'] === 'https://weibo.com/new-user' && $owner_view['address'] === 'Beijing', 'owner cannot read private social details');
	$details['privacy'] = 'public';
	update_user_meta(7, 'aksrt_profile_details', $details);
	$public_view = aksrt_get_visible_user_profile_details(7, 9);
	check($public_view['weibo'] === 'https://weibo.com/new-user' && $public_view['address'] === 'Beijing', 'public social details are not visible to another viewer');

	$_POST = ['aksrt_profile_admin_nonce' => 'ok', 'phone_number' => 'not-a-phone', 'aksrt_phone_edit_unlocked' => '1'];
	$invalid_errors = new WP_Error();
	\AKSRT\User\ProfileAdmin::validate($invalid_errors, true, new WP_User(7));
	check(in_array('aksrt_profile_phone', $invalid_errors->get_error_codes(), true), 'invalid admin phone format was not rejected');

	$_POST = ['aksrt_profile_admin_nonce' => 'ok', 'phone_number' => '13800000008', 'aksrt_phone_edit_unlocked' => '1'];
	$duplicate_errors = new WP_Error();
	\AKSRT\User\ProfileAdmin::validate($duplicate_errors, true, new WP_User(7));
	check(in_array('aksrt_profile_phone_exists', $duplicate_errors->get_error_codes(), true), 'admin profile accepted a duplicate phone');

	$_POST = ['aksrt_profile_admin_nonce' => 'wrong', 'phone_number' => '13800000009', 'aksrt_phone_edit_unlocked' => '1'];
	$before_phone = get_user_meta(7, 'phone_number', true);
	$before_details = get_user_meta(7, 'aksrt_profile_details', true);
	\AKSRT\User\ProfileAdmin::save(7);
	check(get_user_meta(7, 'phone_number', true) === $before_phone, 'invalid admin nonce changed the phone');
	check(get_user_meta(7, 'aksrt_profile_details', true) === $before_details, 'invalid admin nonce changed profile details');

	$_POST = ['aksrt_profile_admin_nonce' => 'ok', 'phone_number' => '13800000009', 'aksrt_phone_edit_unlocked' => '1'];
	\AKSRT\User\ProfileAdmin::save(7);
	check(get_user_meta(7, 'phone_number', true) === '13800000009', 'unlocked admin phone change was not saved');
	check(get_user_meta(7, 'aksrt_phone_verified', true) === '1', 'admin phone change cleared its verified marker');
	$_POST['phone_number'] = '';
	\AKSRT\User\ProfileAdmin::save(7);
	check(get_user_meta(7, 'phone_number', true) === '13800000009', 'blank admin phone unexpectedly cleared the binding');

	$before_details = get_user_meta(7, 'aksrt_profile_details', true);
	$GLOBALS['aksrt_can_edit_user'] = false;
	$_POST = ['aksrt_profile_admin_nonce' => 'ok', 'aksrt_profile_address' => 'Unauthorized change'];
	\AKSRT\User\ProfileAdmin::save(7);
	$GLOBALS['aksrt_can_edit_user'] = true;
	check(get_user_meta(7, 'aksrt_profile_details', true) === $before_details, 'user without edit permission changed profile details');

	echo "User profile phone harness passed\n";
}