import 'package:flutter_test/flutter_test.dart';
import 'package:social_app/features/chat/data/models/ag_ui_event.dart';

void main() {
  group('AgUiEvent parsing', () {
    test('parses TEXT_MESSAGE_END with ui_schema payload', () {
      final event = AgUiEvent.fromJson({
        'type': 'TEXT_MESSAGE_END',
        'messageId': 'msg_1',
        'answer': '你好',
        'role': 'assistant',
        'status': 'success',
        'ui_schema': {
          'version': '2.0',
          'root': {
            'type': 'stack',
            'direction': 'vertical',
            'appearance': 'card',
            'children': [
              {'type': 'text', 'role': 'title', 'content': '创建成功'},
            ],
          },
        },
      });

      expect(event, isA<TextMessageEndEvent>());
      final textEnd = event as TextMessageEndEvent;
      expect(textEnd.messageId, 'msg_1');
      expect(textEnd.answer, '你好');
      expect(textEnd.uiSchema?['version'], '2.0');
    });

    test('parses TOOL_CALL_RESULT snake_case fields', () {
      final event = AgUiEvent.fromJson({
        'type': 'TOOL_CALL_RESULT',
        'messageId': 'tool_1',
        'tool_call_id': 'call_1',
        'tool_name': 'calendar_read',
        'status': 'success',
        'result': '找到 2 条结果',
      });

      expect(event, isA<ToolCallResultEvent>());
      final result = event as ToolCallResultEvent;
      expect(result.toolCallId, 'call_1');
      expect(result.toolName, 'calendar_read');
      expect(result.resultSummary, '找到 2 条结果');
      expect(result.status, 'success');
    });

    test('parses history snapshot with ui_schema', () {
      final snapshot = HistorySnapshot.fromJson({
        'scope': 'history_day',
        'threadId': 'thread_1',
        'day': '2026-03-16',
        'hasMore': false,
        'messages': [
          {
            'id': 'm1',
            'seq': 1,
            'role': 'assistant',
            'content': '已处理',
            'ui_schema': {
              'version': '2.0',
              'root': {
                'type': 'stack',
                'direction': 'vertical',
                'appearance': 'card',
                'children': [],
              },
            },
            'timestamp': '2026-03-16T10:00:00Z',
          },
        ],
      });

      expect(snapshot.scope, 'history_day');
      expect(snapshot.messages, hasLength(1));
      expect(snapshot.messages.first.uiSchema, isNotNull);
    });

    test('parses history user attachments list', () {
      final snapshot = HistorySnapshot.fromJson({
        'scope': 'history_day',
        'threadId': 'thread_1',
        'day': '2026-03-16',
        'hasMore': false,
        'messages': [
          {
            'id': 'm1',
            'seq': 1,
            'role': 'user',
            'content': '请看图',
            'attachments': [
              {'url': 'https://signed.example/a.png', 'mimeType': 'image/png'},
              {'url': 'https://signed.example/b.jpg', 'mimeType': 'image/jpeg'},
            ],
            'timestamp': '2026-03-16T10:00:00Z',
          },
        ],
      });

      final userMessage = snapshot.messages.first;
      expect(userMessage.attachments, hasLength(2));
      expect(userMessage.attachments.first.url, 'https://signed.example/a.png');
      expect(userMessage.attachments.last.mimeType, 'image/jpeg');
    });
  });
}