import { describe, expect, it } from 'vitest';
import { mapHistoryMessage } from './message-mappers';

describe('AI chat history mapper', () => {
  it('restores reasoning, tool summaries and completed status', () => {
    const mapped = mapHistoryMessage({
      id: 3,
      role: 'assistant',
      content: '回答',
      reasoningContent: '思考',
      status: 'completed',
      errorCode: null,
      createdAt: '2026-07-23T00:00:00.000Z',
      attachments: [
        {
          id: 8,
          name: '考勤.pdf',
          mimeType: 'application/pdf',
          size: 100,
          status: 'ready',
          url: '/api/ai/chat/attachments/8',
          createdAt: '2026-07-24T00:00:00.000Z',
        },
      ],
      toolRuns: [
        {
          toolCallId: 'tool-1',
          toolName: 'search_rooms',
          status: 'success',
          resultSummary: '共 4 间',
        },
      ],
    });

    expect(mapped.status).toBe('success');
    expect(mapped.message.reasoningContent).toBe('思考');
    expect(mapped.message.toolRuns[0].summary).toBe('共 4 间');
    expect(mapped.message.attachments).toHaveLength(1);
  });

  it('maps failed and cancelled history to X SDK statuses', () => {
    const base = {
      id: 4,
      role: 'assistant' as const,
      content: '',
      reasoningContent: null,
      errorCode: 'UPSTREAM_ERROR',
      createdAt: '2026-07-23T00:00:00.000Z',
    };
    expect(mapHistoryMessage({ ...base, status: 'failed' }).status).toBe('error');
    expect(mapHistoryMessage({ ...base, status: 'cancelled' }).status).toBe('abort');
  });

  it('restores a persisted A2UI form from message metadata', () => {
    const mapped = mapHistoryMessage({
      id: 5,
      role: 'assistant',
      content: '请填写表单',
      reasoningContent: null,
      status: 'completed',
      errorCode: null,
      createdAt: '2026-07-23T00:00:00.000Z',
      metadata: {
        a2uiForm: {
          id: 'form-9',
          title: '新增学生',
          submitLabel: '提交创建',
          status: 'pending',
          fields: [
            { name: 'name', label: '姓名', type: 'input', required: true },
            { name: 'gender', label: '性别', type: 'select', options: [{ label: '男', value: 'male' }] },
          ],
        },
      },
    });

    expect(mapped.message.forms).toHaveLength(1);
    expect(mapped.message.forms?.[0]).toMatchObject({ id: 'form-9', title: '新增学生' });
  });

  it('restores a persisted A2UI review from message metadata', () => {
    const mapped = mapHistoryMessage({
      id: 6,
      role: 'assistant',
      content: '请审阅导入预览',
      reasoningContent: null,
      status: 'completed',
      errorCode: null,
      createdAt: '2026-07-23T00:00:00.000Z',
      metadata: {
        a2uiReview: {
          id: 'review-9',
          title: '批量导入',
          status: 'pending',
          sections: [
            {
              key: 'transfers',
              type: 'transfers',
              title: '换宿',
              kind: 'table',
              columns: [{ key: 'newRoom', title: '目标宿舍' }],
              rows: [{ newRoom: '3-301' }],
              issues: [],
            },
          ],
        },
      },
    });

    expect(mapped.message.reviews).toHaveLength(1);
    expect(mapped.message.reviews?.[0]).toMatchObject({ id: 'review-9', title: '批量导入' });
  });

  it('restores persisted A2UI charts from message metadata', () => {
    const mapped = mapHistoryMessage({
      id: 7,
      role: 'assistant',
      content: '这是图表',
      reasoningContent: null,
      status: 'completed',
      errorCode: null,
      createdAt: '2026-07-23T00:00:00.000Z',
      metadata: {
        a2uiChart: [
          {
            id: 'chart-9',
            title: '各班级人数',
            chartType: 'bar',
            columns: [
              { key: 'className', title: '班级' },
              { key: 'count', title: '人数' },
            ],
            rows: [{ className: '一班', count: 20 }],
          },
        ],
      },
    });

    expect(mapped.message.charts).toHaveLength(1);
    expect(mapped.message.charts?.[0]).toMatchObject({ id: 'chart-9', chartType: 'bar' });
  });
});