// desktop_pages_golden_test.dart — desktop 整页 golden（节点/统计/账户）
//
// 用 debugDefaultTargetPlatformOverride=macOS + 920×600 surface 让 context.formFactor
// 判定为 desktop，渲染 DesktopShell 各页，固化精还原成果作回归闸。
// 连接页含连接键无限旋转动画，单独由组件级 golden 覆盖，此处不截。
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:pangolin_vpn/bridge/vpn_bridge_mock.dart';
import 'package:pangolin_vpn/bridge/vpn_bridge_provider.dart';
import 'package:pangolin_vpn/pangolin_theme.dart';
import 'package:pangolin_vpn/services/token_store.dart';
import 'package:pangolin_vpn/shell/desktop_shell.dart';
import 'package:pangolin_vpn/shell/home_shell.dart';
import 'package:pangolin_vpn/state/auth_provider.dart';
import 'package:pangolin_vpn/state/navigation_provider.dart';

class _NullTokenStore implements TokenStore {
  const _NullTokenStore();
  @override
  Future<void> saveTokens({required String access, required String refresh}) async {}
  @override
  Future<String?> loadAccessToken() async => null;
  @override
  Future<String?> loadRefreshToken() async => null;
  @override
  Future<void> clear() async {}
}

Future<void> _shoot(WidgetTester tester, NavView view, String name) async {
  // 平台覆盖须在 test 体内设置并在结束前复位（否则触发 foundation 调试变量未复位断言）。
  debugDefaultTargetPlatformOverride = TargetPlatform.macOS;
  tester.view.physicalSize = const Size(920, 600);
  tester.view.devicePixelRatio = 1.0;
  addTearDown(tester.view.resetPhysicalSize);
  addTearDown(tester.view.resetDevicePixelRatio);
  try {
    await tester.pumpWidget(ProviderScope(
      overrides: [
        tokenStoreProvider.overrideWithValue(const _NullTokenStore()),
        vpnBridgeProvider.overrideWithValue(VpnBridgeMock()),
        navViewProvider.overrideWith((ref) => view),
      ],
      child: MaterialApp(
        debugShowCheckedModeBanner: false,
        theme: PangolinTheme.light,
        home: const HomeShell(),
      ),
    ));
    await tester.pumpAndSettle();
    await expectLater(find.byType(DesktopShell), matchesGoldenFile('goldens/$name.png'));
  } finally {
    debugDefaultTargetPlatformOverride = null;
  }
}

void main() {
  testWidgets('desktop 节点页', (t) => _shoot(t, NavView.servers, 'desktop_servers'));
  testWidgets('desktop 统计页', (t) => _shoot(t, NavView.stats, 'desktop_stats'));
  testWidgets('desktop 账户页', (t) => _shoot(t, NavView.account, 'desktop_account'));
  testWidgets('desktop 联系页', (t) => _shoot(t, NavView.contact, 'desktop_contact'));
  testWidgets('desktop 设置页', (t) => _shoot(t, NavView.settings, 'desktop_settings'));
  // 账户下钻子页（内容区 + 顶栏返回）
  testWidgets('desktop 套餐选择', (t) => _shoot(t, NavView.plans, 'desktop_plans'));
  testWidgets('desktop 兑换购买', (t) => _shoot(t, NavView.redeem, 'desktop_redeem'));
  testWidgets('desktop 设备管理', (t) => _shoot(t, NavView.devices, 'desktop_devices'));
}