import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';

import { MarketOverviewService } from './market-overview.service';

const indexSeries = {
  Date: ['20260817', '20260818'],
  Open: ['3350', '3370'],
  High: ['3385', '3400'],
  Low: ['3340', '3360'],
  Close: ['3360', '3380'],
  Amount: ['100', '120'],
  Volume: ['1000', '1100'],
};

const indexResult = {
  ErrorId: '0',
  Value: Object.fromEntries(
    ['000001.SH', '399001.SZ', '399006.SZ'].map((code) => [code, indexSeries]),
  ),
};

const breadthSnapshot = (up: string, down: string) => ({
  ErrorId: '0',
  UpHome: up,
  DownHome: down,
  ItemNum: '0',
});

const sectorResult = {
  ErrorId: '0',
  Value: [
    { Code: '881319.SH', Name: '半导体' },
    { Code: '881355.SH', Name: '软件服务' },
  ],
};

const sectorKlineResult = {
  ErrorId: '0',
  Value: {
    '881319.SH': {
      Date: ['20260817', '20260818'],
      Open: ['100', '105'],
      High: ['106', '110'],
      Low: ['99', '104'],
      Close: ['100', '108'],
      Amount: ['1000', '1200'],
      Volume: ['100', '120'],
    },
    '881355.SH': {
      Date: ['20260817', '20260818'],
      Open: ['100', '98'],
      High: ['101', '99'],
      Low: ['97', '95'],
      Close: ['100', '96'],
      Amount: ['1000', '900'],
      Volume: ['100', '90'],
    },
  },
};

const turnoverResult = {
  ErrorId: '0',
  Value: Object.fromEntries(
    ['000001.SH', '399001.SZ', '899050.BJ'].map((code) => [
      code,
      {
        Date: ['20260817', '20260818'],
        Open: ['100', '100'],
        High: ['101', '101'],
        Low: ['99', '99'],
        Close: ['100', '100'],
        Amount: ['100000', '120000'],
        Volume: ['1000', '1100'],
      },
    ]),
  ),
};

describe('市场概览服务', () => {
  beforeEach(() => {
    vi.useFakeTimers();
    vi.setSystemTime(new Date('2026-08-18T03:00:00.000Z'));
  });

  afterEach(() => {
    vi.useRealTimers();
  });

  it('读取指数并返回统一快照元数据', async () => {
    const client = { request: vi.fn().mockResolvedValue(indexResult) };
    const service = new MarketOverviewService(client);

    const response = await service.getIndices();

    expect(response).toMatchObject({
      source: 'tdx',
      status: 'fresh',
      data: { items: expect.any(Array) },
    });
    expect(response.snapshotId).toMatch(/^20260818-/);
    expect(client.request).toHaveBeenCalledWith(
      'get_market_data',
      expect.objectContaining({ count: 5 }),
    );
  });

  it('核心指数交易日旧于上海当前日期时标记 delayed', async () => {
    vi.setSystemTime(new Date('2026-08-19T03:00:00.000Z'));
    const client = { request: vi.fn().mockResolvedValue(indexResult) };
    const service = new MarketOverviewService(client);

    const response = await service.getIndices();

    expect(response.status).toBe('delayed');
    expect(response.warnings).toEqual(['核心指数交易日期为 20260818，非当前日期']);
  });

  it('汇总三个市场指数的上涨和下跌家数并保留未知平盘数', async () => {
    const client = {
      request: vi
        .fn()
        .mockResolvedValueOnce(breadthSnapshot('10', '5'))
        .mockResolvedValueOnce(breadthSnapshot('20', '15'))
        .mockResolvedValueOnce(breadthSnapshot('3', '2'))
        .mockResolvedValueOnce(indexResult),
    };
    const service = new MarketOverviewService(client);

    const response = await service.getBreadth();

    expect(response).toMatchObject({
      source: 'tdx',
      status: 'fresh',
      data: { advancing: 33, declining: 22, unchanged: null },
    });
    expect(client.request).toHaveBeenCalledWith(
      'get_market_snapshot',
      expect.objectContaining({ stock_code: '000001.SH' }),
    );
  });

  it('市场宽度排除畸形快照并标记部分数据', async () => {
    const client = {
      request: vi
        .fn()
        .mockResolvedValueOnce(breadthSnapshot('10', '5'))
        .mockResolvedValueOnce({ ErrorId: '0', UpHome: '', DownHome: '3' })
        .mockRejectedValueOnce(new Error('raw network detail'))
        .mockResolvedValueOnce(indexResult),
    };
    const service = new MarketOverviewService(client);

    const response = await service.getBreadth();

    expect(response).toMatchObject({
      status: 'partial',
      data: { advancing: 10, declining: 5, unchanged: null },
    });
    expect(response.warnings[0]).toContain('深证市场、北证市场');
    expect(response.warnings.join(' ')).not.toContain('raw network detail');
  });

  it('市场宽度使用核心指数交易日识别 delayed，不把旧快照标为 fresh', async () => {
    const staleIndexResult = structuredClone(indexResult);
    staleIndexResult.Value['000001.SH'].Date = ['20260816', '20260817'];
    const client = {
      request: vi
        .fn()
        .mockResolvedValueOnce(breadthSnapshot('10', '5'))
        .mockResolvedValueOnce(breadthSnapshot('20', '15'))
        .mockResolvedValueOnce(breadthSnapshot('3', '2'))
        .mockResolvedValueOnce(staleIndexResult),
    };
    const service = new MarketOverviewService(client);

    const response = await service.getBreadth();

    expect(response.status).toBe('delayed');
    expect(response.warnings).toEqual(['市场宽度交易日期为 20260817，非当前日期']);
  });

  it('按一级行业涨跌幅排序板块并保留 TDX 代码', async () => {
    const client = {
      request: vi.fn().mockResolvedValueOnce(sectorResult).mockResolvedValueOnce(sectorKlineResult),
    };
    const service = new MarketOverviewService(client);

    const response = await service.getSectors();

    expect(response).toMatchObject({
      source: 'tdx',
      status: 'fresh',
      data: {
        items: [
          expect.objectContaining({ code: '881319.SH', name: '半导体', changePercent: 8 }),
          expect.objectContaining({ code: '881355.SH', name: '软件服务', changePercent: -4 }),
        ],
      },
    });
    expect(client.request).toHaveBeenNthCalledWith(1, 'get_stock_list', {
      market: '16',
      list_type: 1,
    });
  });

  it('一级行业目录为空时返回不可用而不是 fresh 空数据', async () => {
    const client = { request: vi.fn().mockResolvedValue({ ErrorId: '0', Value: [] }) };
    const service = new MarketOverviewService(client);

    const response = await service.getSectors();

    expect(response).toMatchObject({ status: 'unavailable', data: null });
    expect(response.warnings).toEqual(['一级行业目录为空']);
    expect(client.request).toHaveBeenCalledTimes(1);
  });

  it('一级行业强弱结果最多展示前八项', async () => {
    const definitions = Array.from({ length: 9 }, (_, index) => ({
      Code: `88100${index}.SH`,
      Name: `行业${index}`,
    }));
    const value = Object.fromEntries(
      definitions.map(({ Code }, index) => [
        Code,
        {
          ...indexSeries,
          Close: ['100', `${101 + index}`],
        },
      ]),
    );
    const client = {
      request: vi
        .fn()
        .mockResolvedValueOnce({ ErrorId: '0', Value: definitions })
        .mockResolvedValueOnce({ ErrorId: '0', Value: value }),
    };
    const service = new MarketOverviewService(client);

    const response = await service.getSectors();

    expect(response.status).toBe('fresh');
    expect(response.data?.items).toHaveLength(8);
    expect(response.data?.items[0].name).toBe('行业8');
  });

  it('一级行业混合交易日时返回 partial，不把不同日期误标 fresh', async () => {
    const mixedDates = structuredClone(sectorKlineResult);
    mixedDates.Value['881355.SH'].Date = ['20260818', '20260819'];
    const client = {
      request: vi.fn().mockResolvedValueOnce(sectorResult).mockResolvedValueOnce(mixedDates),
    };
    const service = new MarketOverviewService(client);

    const response = await service.getSectors();

    expect(response).toMatchObject({
      status: 'partial',
      data: { items: [expect.objectContaining({ code: '881355.SH', tradeDate: '20260819' })] },
    });
    expect(response.warnings).toEqual(['部分一级行业未返回有效行情']);
  });

  it('一级行业交易日旧于上海当前日期时标记 delayed', async () => {
    vi.setSystemTime(new Date('2026-08-19T03:00:00.000Z'));
    const client = {
      request: vi.fn().mockResolvedValueOnce(sectorResult).mockResolvedValueOnce(sectorKlineResult),
    };
    const service = new MarketOverviewService(client);

    const response = await service.getSectors();

    expect(response.status).toBe('delayed');
    expect(response.warnings).toEqual(['一级行业交易日期为 20260818，非当前日期']);
  });

  it('按交易所指数成交额计算亿元级趋势而不宣称主力净流入', async () => {
    const client = { request: vi.fn().mockResolvedValue(turnoverResult) };
    const service = new MarketOverviewService(client);

    const response = await service.getFunds();

    expect(response).toMatchObject({
      source: 'tdx',
      status: 'fresh',
      data: {
        currentAmount: 36,
        previousAmount: 30,
        changePercent: 20,
        unit: '亿元',
        marketCount: 3,
        tradeDate: '20260818',
        previousTradeDate: '20260817',
      },
    });
    expect(response.warnings).toEqual([]);
  });

  it('成交额缺少一个市场时标记 partial 并展示实际市场数', async () => {
    const partialResult = structuredClone(turnoverResult);
    delete partialResult.Value['899050.BJ'];
    const client = { request: vi.fn().mockResolvedValue(partialResult) };
    const service = new MarketOverviewService(client);

    const response = await service.getFunds();

    expect(response).toMatchObject({
      status: 'partial',
      data: { currentAmount: 24, previousAmount: 20, marketCount: 2, tradeDate: '20260818' },
    });
    expect(response.warnings).toEqual(['部分市场成交额不可用，当前汇总 2 个市场']);
  });

  it('成交额交易日旧于上海当前日期时标记 delayed', async () => {
    vi.setSystemTime(new Date('2026-08-19T03:00:00.000Z'));
    const client = { request: vi.fn().mockResolvedValue(turnoverResult) };
    const service = new MarketOverviewService(client);

    const response = await service.getFunds();

    expect(response.status).toBe('delayed');
    expect(response.warnings).toEqual(['成交额交易日期为 20260818，非当前日期']);
  });
});