import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';

/// 应用「关于我们」等品牌信息，从配置文件 assets/config/app_info.json 读取，
/// 不硬编码、不走环境变量。在 main() 启动时调用 [load] 加载一次。
class AppInfo {
  const AppInfo._();

  static const _assetPath = 'assets/config/app_info.json';

  static String provider = '';
  static String website = '';
  static String email = '';
  static String phone = '';
  static String wechat = '';
  static String termsUrl = '';
  static String privacyUrl = '';
  static String docsUrl = '';

  /// 加载配置文件。失败时保留为空（不影响应用启动）。
  static Future<void> load() async {
    try {
      final raw = await rootBundle.loadString(_assetPath);
      final map = jsonDecode(raw) as Map<String, dynamic>;
      provider = (map['provider'] as String?) ?? '';
      website = (map['website'] as String?) ?? '';
      email = (map['email'] as String?) ?? '';
      phone = (map['phone'] as String?) ?? '';
      wechat = (map['wechat'] as String?) ?? '';
      termsUrl = (map['terms_url'] as String?) ?? '';
      privacyUrl = (map['privacy_url'] as String?) ?? '';
      docsUrl = (map['docs_url'] as String?) ?? '';
    } catch (e) {
      debugPrint('AppInfo.load failed: $e');
    }
  }
}