import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:go_router/go_router.dart';
import 'package:social_app/features/chat/ui/widgets/ui_schema_renderer.dart';

void main() {
  group('UiSchemaRenderer', () {
    testWidgets('renders stack title and badge', (tester) async {
      final schema = {
        'version': '2.0',
        'locale': 'zh-CN',
        'status': 'success',
        'theme': 'default',
        'root': {
          'type': 'stack',
          'direction': 'vertical',
          'appearance': 'card',
          'children': [
            {'type': 'text', 'role': 'title', 'content': '日程已创建'},
            {'type': 'badge', 'label': 'SUCCESS', 'status': 'success'},
          ],
        },
      };

      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(body: UiSchemaRenderer.renderSchema(schema)),
        ),
      );

      expect(find.text('日程已创建'), findsOneWidget);
      expect(find.text('SUCCESS'), findsOneWidget);
    });

    testWidgets('renders kv node values', (tester) async {
      final schema = {
        'version': '2.0',
        'root': {
          'type': 'stack',
          'direction': 'vertical',
          'appearance': 'card',
          'children': [
            {
              'type': 'kv',
              'items': [
                {'key': 'title', 'label': '标题', 'value': '评审会'},
              ],
            },
          ],
        },
      };

      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(body: UiSchemaRenderer.renderSchema(schema)),
        ),
      );

      expect(find.text('标题'), findsOneWidget);
      expect(find.text('评审会'), findsOneWidget);
    });

    testWidgets('renders batch result list items in one card', (tester) async {
      final schema = {
        'version': '2.0',
        'root': {
          'type': 'stack',
          'direction': 'vertical',
          'appearance': 'card',
          'status': 'warning',
          'children': [
            {'type': 'text', 'role': 'title', 'content': '日历操作完成'},
            {
              'type': 'stack',
              'direction': 'vertical',
              'gap': 8,
              'children': [
                {
                  'type': 'stack',
                  'direction': 'vertical',
                  'appearance': 'card',
                  'children': [
                    {'type': 'text', 'role': 'body', 'content': '#1 create'},
                    {'type': 'text', 'role': 'caption', 'content': '成功'},
                    {'type': 'text', 'role': 'caption', 'content': '日程「晨会」已创建'},
                  ],
                },
                {
                  'type': 'stack',
                  'direction': 'vertical',
                  'appearance': 'card',
                  'children': [
                    {'type': 'text', 'role': 'body', 'content': '#2 delete'},
                    {'type': 'text', 'role': 'caption', 'content': '失败'},
                    {
                      'type': 'text',
                      'role': 'caption',
                      'content': 'Schedule item not found',
                    },
                  ],
                },
              ],
            },
          ],
        },
      };

      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(body: UiSchemaRenderer.renderSchema(schema)),
        ),
      );

      expect(find.text('日历操作完成'), findsOneWidget);
      expect(find.text('#1 create'), findsOneWidget);
      expect(find.text('#2 delete'), findsOneWidget);
      expect(find.text('成功'), findsOneWidget);
      expect(find.text('失败'), findsOneWidget);
    });

    testWidgets('renders fallback for invalid schema', (tester) async {
      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(
            body: UiSchemaRenderer.renderSchema({'version': '2.0'}),
          ),
        ),
      );

      expect(find.textContaining('无效 UI Schema'), findsOneWidget);
    });

    testWidgets('handles navigation action by pushing target page', (
      tester,
    ) async {
      final schema = {
        'version': '2.0',
        'root': {
          'type': 'stack',
          'direction': 'vertical',
          'appearance': 'plain',
          'children': [
            {
              'type': 'button',
              'label': '查看待办',
              'style': 'primary',
              'action': {
                'type': 'navigation',
                'path': '/todo/123',
                'params': {'from': 'assistant'},
              },
            },
          ],
        },
      };

      final router = GoRouter(
        initialLocation: '/',
        routes: [
          GoRoute(
            path: '/',
            builder: (context, state) =>
                Scaffold(body: UiSchemaRenderer.renderSchema(schema)),
          ),
          GoRoute(
            path: '/todo/:id',
            builder: (context, state) => Text(
              'todo detail ${state.pathParameters['id']} from ${state.uri.queryParameters['from']}',
            ),
          ),
        ],
      );

      await tester.pumpWidget(MaterialApp.router(routerConfig: router));
      await tester.tap(find.text('查看待办'));
      await tester.pumpAndSettle();

      expect(find.text('todo detail 123 from assistant'), findsOneWidget);
      expect(router.canPop(), isTrue);

      router.pop();
      await tester.pumpAndSettle();

      expect(find.text('查看待办'), findsOneWidget);
    });

    testWidgets('uses replace navigation when replace is true', (tester) async {
      final schema = {
        'version': '2.0',
        'root': {
          'type': 'stack',
          'direction': 'vertical',
          'appearance': 'plain',
          'children': [
            {
              'type': 'button',
              'label': '替换跳转',
              'style': 'primary',
              'action': {
                'type': 'navigation',
                'path': '/todo/456',
                'replace': true,
              },
            },
          ],
        },
      };

      final router = GoRouter(
        initialLocation: '/',
        routes: [
          GoRoute(
            path: '/',
            builder: (context, state) =>
                Scaffold(body: UiSchemaRenderer.renderSchema(schema)),
          ),
          GoRoute(
            path: '/todo/:id',
            builder: (context, state) =>
                Text('todo detail ${state.pathParameters['id']}'),
          ),
        ],
      );

      await tester.pumpWidget(MaterialApp.router(routerConfig: router));
      await tester.tap(find.text('替换跳转'));
      await tester.pumpAndSettle();

      expect(find.text('todo detail 456'), findsOneWidget);
      expect(router.canPop(), isFalse);

      expect(find.text('todo detail 456'), findsOneWidget);
    });

    testWidgets('does not navigate for placeholder path', (tester) async {
      final schema = {
        'version': '2.0',
        'root': {
          'type': 'stack',
          'direction': 'vertical',
          'appearance': 'plain',
          'children': [
            {
              'type': 'button',
              'label': '坏路径',
              'style': 'primary',
              'action': {'type': 'navigation', 'path': '/todo/:id'},
            },
          ],
        },
      };

      final router = GoRouter(
        initialLocation: '/',
        routes: [
          GoRoute(
            path: '/',
            builder: (context, state) =>
                Scaffold(body: UiSchemaRenderer.renderSchema(schema)),
          ),
          GoRoute(
            path: '/todo/:id',
            builder: (context, state) => const Text('detail'),
          ),
        ],
      );

      await tester.pumpWidget(MaterialApp.router(routerConfig: router));
      await tester.tap(find.text('坏路径'));
      await tester.pumpAndSettle();
      await tester.pump(const Duration(seconds: 3));

      expect(find.text('坏路径'), findsOneWidget);
      expect(find.text('detail'), findsNothing);
    });
  });
}