/// 安装策略枚举
enum InstallStrategy {
  /// 系统流程：让系统处理权限检查和用户确认（推荐）
  /// 类似主流应用的安装体验，直接弹出"XX正尝试安装应用"对话框
  systemFlow,

  /// 预检查权限：安装前先检查权限，无权限时返回错误
  /// 需要开发者手动处理权限申请流程
  preCheckPermission,

  /// 智能模式：根据设备和权限状态自动选择最佳策略
  /// 有权限时使用预检查，无权限时使用系统流程
  smart,
}

/// 安装配置类
class InstallConfig {
  /// 安装策略
  final InstallStrategy strategy;

  /// 是否在权限被拒绝时自动跳转到权限设置页面
  final bool autoOpenSettings;

  /// 是否显示权限说明对话框
  final bool showPermissionRationale;

  /// 权限说明对话框的标题
  final String? rationaleTitle;

  /// 权限说明对话框的内容
  final String? rationaleContent;

  const InstallConfig({
    this.strategy = InstallStrategy.systemFlow,
    this.autoOpenSettings = false,
    this.showPermissionRationale = false,
    this.rationaleTitle,
    this.rationaleContent,
  });

  /// 系统流程配置（推荐）
  static const InstallConfig systemFlow = InstallConfig(
    strategy: InstallStrategy.systemFlow,
  );

  /// 预检查权限配置
  static const InstallConfig preCheckPermission = InstallConfig(
    strategy: InstallStrategy.preCheckPermission,
    autoOpenSettings: true,
    showPermissionRationale: true,
    rationaleTitle: '需要安装权限',
    rationaleContent: '为了完成应用更新，需要允许安装未知来源的应用。',
  );

  /// 智能模式配置
  static const InstallConfig smart = InstallConfig(
    strategy: InstallStrategy.smart,
    autoOpenSettings: true,
    showPermissionRationale: true,
    rationaleTitle: '需要安装权限',
    rationaleContent: '为了完成应用更新，需要允许安装未知来源的应用。',
  );

  /// 创建自定义配置
  InstallConfig copyWith({
    InstallStrategy? strategy,
    bool? autoOpenSettings,
    bool? showPermissionRationale,
    String? rationaleTitle,
    String? rationaleContent,
  }) {
    return InstallConfig(
      strategy: strategy ?? this.strategy,
      autoOpenSettings: autoOpenSettings ?? this.autoOpenSettings,
      showPermissionRationale: showPermissionRationale ?? this.showPermissionRationale,
      rationaleTitle: rationaleTitle ?? this.rationaleTitle,
      rationaleContent: rationaleContent ?? this.rationaleContent,
    );
  }

  Map<String, dynamic> toMap() {
    return {
      'strategy': strategy.index,
      'autoOpenSettings': autoOpenSettings,
      'showPermissionRationale': showPermissionRationale,
      'rationaleTitle': rationaleTitle,
      'rationaleContent': rationaleContent,
    };
  }

  factory InstallConfig.fromMap(Map<String, dynamic> map) {
    return InstallConfig(
      strategy: InstallStrategy.values[map['strategy'] ?? 0],
      autoOpenSettings: map['autoOpenSettings'] ?? false,
      showPermissionRationale: map['showPermissionRationale'] ?? false,
      rationaleTitle: map['rationaleTitle'],
      rationaleContent: map['rationaleContent'],
    );
  }
}