import 'dart:io';

import '../utils/command_runner.dart';

/// zaxprint:// URL scheme 注册：
/// - macOS：Info.plist CFBundleURLTypes 已声明（构建即生效），无需运行时处理
/// - Windows：写 HKCU\Software\Classes\zaxprint（用户级，免管理员），App 启动时 ensure
class UrlScheme {
  static const scheme = 'zaxprint';

  static bool get needsRuntimeRegister => Platform.isWindows;

  /// Windows：确保 scheme 已注册到当前可执行文件（每次启动幂等调用，路径变了会刷新）。
  static Future<void> ensureRegistered() async {
    if (!Platform.isWindows) return;
    final exe = Platform.resolvedExecutable;
    final root = r'HKCU\Software\Classes' '\\$scheme';
    await runCommand('reg', ['add', root, '/ve', '/t', 'REG_SZ', '/d', 'URL:资安信插件助手唤起', '/f']);
    await runCommand('reg', ['add', root, '/v', 'URL Protocol', '/t', 'REG_SZ', '/d', '', '/f']);
    await runCommand('reg', [
      'add', r'HKCU\Software\Classes' '\\$scheme' r'\shell\open\command',
      '/ve', '/t', 'REG_SZ', '/d', '"$exe" "%1"', '/f',
    ]);
  }

  /// Windows：注册是否指向当前可执行文件（向导自检展示用）。
  static Future<bool> isRegisteredToSelf() async {
    if (!Platform.isWindows) return true; // mac 由 Info.plist 保证
    final exe = Platform.resolvedExecutable;
    final out = await runCommand(
      'reg',
      ['query', r'HKCU\Software\Classes' '\\$scheme' r'\shell\open\command', '/ve'],
      tolerateExit: true,
    );
    return out.contains(exe);
  }
}