import 'package:ducafe_ui_core/ducafe_ui_core.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:forui/forui.dart';

import 'package:pj_supermarket_cloud/common/index.dart';
import 'package:pj_supermarket_cloud/pages/terminal/menu_query/controller.dart';
import 'package:pj_supermarket_cloud/pages/terminal/menu_query/widgets/query_method_panel.dart';

void main() {
  testWidgets('手动模式保留开始按钮，自动模式改为饭卡等待状态且仍可切换方式', (tester) async {
    await tester.binding.setSurfaceSize(const Size(1920, 1080));
    addTearDown(() => tester.binding.setSurfaceSize(null));
    var startCalls = 0;
    ReservationRecognitionMethod? selectedMethod;
    final mealSlotController = FRadioSelectGroupController<String>(value: '1');
    addTearDown(mealSlotController.dispose);

    await tester.pumpWidget(
      _testApp(
        QueryMethodPanel(
          methods: ReservationRecognitionMethod.values,
          selected: ReservationRecognitionMethod.card,
          status: ReservationMenuQueryStatus.idle,
          mealSlotController: mealSlotController,
          autoRecognitionEnabled: false,
          continuousRecognitionEnabled: false,
          quickVerificationEnabled: false,
          allowManualMealPeriodChange: true,
          onSelect: (method) => selectedMethod = method,
          onStart: () => startCalls++,
        ),
      ),
    );

    expect(find.text('开始识别'), findsOneWidget);
    await tester.tap(find.text('开始识别'));
    await tester.pump(const Duration(milliseconds: 250));
    expect(startCalls, 1);

    await tester.pumpWidget(
      _testApp(
        QueryMethodPanel(
          methods: ReservationRecognitionMethod.values,
          selected: ReservationRecognitionMethod.card,
          status: ReservationMenuQueryStatus.recognizing,
          mealSlotController: mealSlotController,
          autoRecognitionEnabled: true,
          continuousRecognitionEnabled: true,
          quickVerificationEnabled: false,
          allowManualMealPeriodChange: true,
          onSelect: (method) => selectedMethod = method,
          onStart: () => startCalls++,
        ),
      ),
    );

    expect(find.text('开始识别'), findsNothing);
    expect(find.text('持续等待饭卡'), findsOneWidget);
    await tester.tap(find.text('人脸查询'));
    await tester.pump(const Duration(milliseconds: 250));
    expect(selectedMethod, ReservationRecognitionMethod.face);
    expect(startCalls, 1);
    expect(tester.takeException(), isNull);
  });

  testWidgets('餐段只由快速核销开关控制，不受持续自动识别影响', (tester) async {
    await tester.binding.setSurfaceSize(const Size(1920, 1080));
    addTearDown(() => tester.binding.setSurfaceSize(null));
    final mealSlotController = FRadioSelectGroupController<String>(value: '2');
    addTearDown(mealSlotController.dispose);

    await tester.pumpWidget(
      _testApp(
        QueryMethodPanel(
          methods: ReservationRecognitionMethod.values,
          selected: ReservationRecognitionMethod.card,
          status: ReservationMenuQueryStatus.recognizing,
          mealSlotController: mealSlotController,
          autoRecognitionEnabled: true,
          continuousRecognitionEnabled: true,
          quickVerificationEnabled: false,
          allowManualMealPeriodChange: true,
          onSelect: (_) {},
          onStart: () {},
        ),
      ),
    );

    expect(
      find.byKey(const ValueKey('reservation-meal-slot-trigger')),
      findsNothing,
    );
    expect(find.text('餐段'), findsNothing);

    await tester.pumpWidget(
      _testApp(
        QueryMethodPanel(
          methods: ReservationRecognitionMethod.values,
          selected: ReservationRecognitionMethod.card,
          status: ReservationMenuQueryStatus.recognizing,
          mealSlotController: mealSlotController,
          autoRecognitionEnabled: true,
          continuousRecognitionEnabled: false,
          quickVerificationEnabled: true,
          allowManualMealPeriodChange: true,
          onSelect: (_) {},
          onStart: () {},
        ),
      ),
    );

    expect(
      find.byKey(const ValueKey('reservation-meal-slot-trigger')),
      findsOneWidget,
    );
    expect(find.text('餐段'), findsOneWidget);
    expect(find.text('中餐'), findsOneWidget);
    expect(tester.takeException(), isNull);
  });

  testWidgets('餐段默认仅显示当前值，点开后可选择且查询中禁用', (tester) async {
    await tester.binding.setSurfaceSize(const Size(1920, 1080));
    addTearDown(() => tester.binding.setSurfaceSize(null));
    var selectedMealSlot = ReservationMealSlot.morning;
    var status = ReservationMenuQueryStatus.idle;
    final mealSlotController = FRadioSelectGroupController<String>(value: '1');
    mealSlotController.addValueListener((selectedCodes) {
      final selectedCode = selectedCodes.firstOrNull;
      selectedMealSlot = ReservationMealSlot.querySelectableValues.firstWhere(
        (mealSlot) => mealSlot.code == selectedCode,
      );
    });
    addTearDown(mealSlotController.dispose);

    await tester.pumpWidget(
      _testApp(
        QueryMethodPanel(
          methods: ReservationRecognitionMethod.values,
          selected: ReservationRecognitionMethod.card,
          status: status,
          mealSlotController: mealSlotController,
          autoRecognitionEnabled: false,
          continuousRecognitionEnabled: true,
          quickVerificationEnabled: true,
          allowManualMealPeriodChange: true,
          onSelect: (_) {},
          onStart: () {},
        ),
      ),
    );

    expect(find.byType(FSelectMenuTile<String>), findsOneWidget);
    expect(find.text('餐段'), findsOneWidget);
    expect(find.text('早餐'), findsOneWidget);
    expect(find.text('中餐'), findsNothing);
    expect(find.text('晚餐'), findsNothing);
    final trigger = find.byKey(
      const ValueKey('reservation-meal-slot-trigger'),
    );
    expect(tester.getSize(trigger).height, greaterThanOrEqualTo(48));
    expect(tester.widget<FSelectMenuTile<String>>(trigger).enabled, isTrue);

    await tester.tap(trigger);
    await tester.pumpAndSettle();
    final noonOption = find.byKey(
      const ValueKey('meal-slot-option-2'),
    );
    expect(tester.getSize(noonOption).height, greaterThanOrEqualTo(48));

    await tester.tap(noonOption);
    await tester.pumpAndSettle();
    expect(selectedMealSlot, ReservationMealSlot.noon);
    expect(find.text('早餐'), findsNothing);
    expect(find.text('中餐'), findsOneWidget);

    status = ReservationMenuQueryStatus.recognizing;
    await tester.pumpWidget(
      _testApp(
        QueryMethodPanel(
          methods: ReservationRecognitionMethod.values,
          selected: ReservationRecognitionMethod.card,
          status: status,
          mealSlotController: mealSlotController,
          autoRecognitionEnabled: false,
          continuousRecognitionEnabled: true,
          quickVerificationEnabled: true,
          allowManualMealPeriodChange: true,
          onSelect: (_) {},
          onStart: () {},
        ),
      ),
    );
    await tester.tap(trigger);
    await tester.pumpAndSettle();
    final nightOption = find.byKey(
      const ValueKey('meal-slot-option-3'),
    );
    await tester.tap(nightOption);
    await tester.pumpAndSettle();
    expect(selectedMealSlot, ReservationMealSlot.night);

    status = ReservationMenuQueryStatus.querying;
    await tester.pumpWidget(
      _testApp(
        QueryMethodPanel(
          methods: ReservationRecognitionMethod.values,
          selected: ReservationRecognitionMethod.card,
          status: status,
          mealSlotController: mealSlotController,
          autoRecognitionEnabled: false,
          continuousRecognitionEnabled: true,
          quickVerificationEnabled: true,
          allowManualMealPeriodChange: true,
          onSelect: (_) {},
          onStart: () {},
        ),
      ),
    );
    final disabledTrigger = find.byKey(
      const ValueKey('reservation-meal-slot-trigger'),
    );
    expect(
      tester.widget<FSelectMenuTile<String>>(disabledTrigger).enabled,
      isFalse,
    );
    await tester.tap(disabledTrigger);
    await tester.pump();
    expect(selectedMealSlot, ReservationMealSlot.night);
    expect(
      find.byKey(const ValueKey('meal-slot-option-1')),
      findsNothing,
    );
    expect(tester.takeException(), isNull);
  });

  testWidgets('禁止主动修改餐段时选择器禁用且无法打开餐段菜单', (tester) async {
    await tester.binding.setSurfaceSize(const Size(1920, 1080));
    addTearDown(() => tester.binding.setSurfaceSize(null));
    final mealSlotController = FRadioSelectGroupController<String>(value: '1');
    addTearDown(mealSlotController.dispose);

    await tester.pumpWidget(
      _testApp(
        QueryMethodPanel(
          methods: ReservationRecognitionMethod.values,
          selected: ReservationRecognitionMethod.card,
          status: ReservationMenuQueryStatus.idle,
          mealSlotController: mealSlotController,
          autoRecognitionEnabled: false,
          continuousRecognitionEnabled: true,
          quickVerificationEnabled: true,
          allowManualMealPeriodChange: false,
          onSelect: (_) {},
          onStart: () {},
        ),
      ),
    );

    final trigger = find.byKey(
      const ValueKey('reservation-meal-slot-trigger'),
    );
    expect(find.text('早餐'), findsOneWidget);
    expect(tester.widget<FSelectMenuTile<String>>(trigger).enabled, isFalse);

    await tester.tap(trigger);
    await tester.pumpAndSettle();
    expect(find.byKey(const ValueKey('meal-slot-option-2')), findsNothing);
    expect(mealSlotController.value, {'1'});
    expect(tester.takeException(), isNull);
  });
}

/// 构建与终端设计基准一致的主题和尺寸环境，只验证本组件的可见状态与点击链路。
Widget _testApp(Widget child) {
  return ScreenUtilInit(
    designSize: const Size(1920, 1080),
    builder: (_, __) => MaterialApp(
      home: FTheme(
        data: FThemes.zinc.light,
        child: Scaffold(body: child),
      ),
    ),
  );
}