// server_tile_down_test.dart — 节点不可用(status!=up)的列表项渲染断言。
// 锁住 #7 客户端侧:agent 离线 → 节点显示「不可用」+ 禁选(onTap 不触发)。
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:pangolin_vpn/l10n/app_text.dart';
import 'package:pangolin_vpn/models/node.dart';
import 'package:pangolin_vpn/pangolin_theme.dart';
import 'package:pangolin_vpn/widgets/server_tile.dart';

import '../helpers/harness.dart';

void main() {
  setUpAll(disableGoogleFontsFetching);

  Widget wrap(Node node, VoidCallback onTap) => MaterialApp(
        theme: PangolinTheme.light,
        home: Scaffold(body: ServerTile(node: node, lang: AppLang.zh, onTap: onTap)),
      );

  testWidgets('节点 down → 显示「不可用」且点击不触发', (t) async {
    var tapped = false;
    await t.pumpWidget(wrap(
      const Node(code: 'US', nameZh: '洛杉矶', nameEn: 'LA', ping: 30, status: 'down'),
      () => tapped = true,
    ));
    expect(find.text('不可用'), findsOneWidget);
    await t.tap(find.byType(ServerTile));
    await t.pump();
    expect(tapped, isFalse, reason: 'down 节点禁选,onTap 不触发');
  });

  testWidgets('节点 up → 不显示「不可用」,点击正常触发', (t) async {
    var tapped = false;
    await t.pumpWidget(wrap(
      const Node(code: 'US', nameZh: '洛杉矶', nameEn: 'LA', ping: 30), // status 默认 up
      () => tapped = true,
    ));
    expect(find.text('不可用'), findsNothing);
    await t.tap(find.byType(ServerTile));
    await t.pump();
    expect(tapped, isTrue);
  });
}