pangolin/client/lib/widgets/server_tile.dart

// server_tile.dart — 节点列表行(国家码块 · 名称 · 延迟 · 信号条 · 选中态)
import 'package:flutter/material.dart';

import '../l10n/app_text.dart';
import '../models/node.dart';
import '../pangolin_theme.dart';
import 'country_code.dart';
import 'pangolin_icons.dart';

class ServerInfo {
  const ServerInfo({
    required this.code,
    required this.name,
    required this.sub,
    required this.ping,
    this.nodeId = '',
  });

  final String code, name, sub;
  final int ping;

  /// 控制面节点 ID，对应 POST /v1/nodes/:nodeId/connect 路径参数。
  /// 留空时降级为使用 [code] 小写值（仅限 mock 联调）。
  final String nodeId;

  String get effectiveNodeId => nodeId.isEmpty ? code.toLowerCase() : nodeId;
}

class ServerTile extends StatelessWidget {
  const ServerTile({
    super.key,
    required this.node,
    required this.lang,
    this.active = false,
    this.onTap,
  });

  final Node node;
  final AppLang lang;
  final bool active;
  final VoidCallback? onTap;

  @override
  Widget build(BuildContext context) {
    final c = context.pangolin;
    return InkWell(
      onTap: onTap,
      child: Container(
        color: active ? c.accentSubtle : Colors.transparent,
        padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
        child: Row(
          children: [
            CountryCode(code: node.code, active: active),
            const SizedBox(width: 13),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(node.localizedName(lang),
                      style: PangolinText.sm
                          .copyWith(color: c.fg1, fontWeight: FontWeight.w600, fontSize: 15)),
                  const SizedBox(height: 2),
                  Text(node.localizedSub(lang),
                      style: PangolinText.caption.copyWith(color: c.fg3, fontWeight: FontWeight.w400)),
                ],
              ),
            ),
            Text('${node.ping}ms', style: PangolinText.mono.copyWith(color: c.fg2, fontSize: 12)),
            const SizedBox(width: 8),
            SignalBars(ping: node.ping),
            if (active) ...[const SizedBox(width: 10), Icon(PangolinIcons.check, size: 18, color: c.accent)],
          ],
        ),
      ),
    );
  }
}