// @ts-nocheck
import { describe, expect, it } from 'vitest';
import { aggregateDashboard, sparkFirstLast } from './dashboardMetrics';

// Leader round2 spec: 登录后默认页顶部一行指标卡——
// 当前项目数 / 数据集总数 / 运行中-已完成回测数 / AI 用量。
// 取不到的字段占位 "-"（不得编造数字）。行为合同先定义：

describe('aggregateDashboard', () => {
  const projects = [{ id: 'p1' }, { id: 'p2' }, { id: 'p3' }];
  const datasets = [{ id: 'd1' }, { id: 'd2' }];
  const runs = [
    { id: 'r1', status: 'running', result: null },
    { id: 'r2', status: 'queued', result: null },
    { id: 'r3', status: 'succeeded', result: { metrics: {} } },
    { id: 'r4', status: 'succeeded', result: { metrics: {} } },
    { id: 'r5', status: 'failed', result: null }
  ];

  it('counts projects, datasets and running/done runs from plain item arrays', () => {
    const x = aggregateDashboard({ projects, datasets, runs, usage: null });
    expect(x.projectCount).toBe(3);
    expect(x.datasetCount).toBe(2);
    expect(x.runningRuns).toBe(2); // queued + running
    expect(x.doneRuns).toBe(2); // succeeded
  });

  it('usage label uses real totals when present, "-" placeholder otherwise', () => {
    const withUsage = aggregateDashboard({
      projects, datasets, runs,
      usage: { totals: { input_tokens: 1200, output_tokens: 340, requests: 7 } }
    });
    expect(withUsage.usageLabel).toBe('7 次');
    expect(withUsage.usageTokens).toBe('(1.2k/340 tok)');

    const withoutUsage = aggregateDashboard({ projects, datasets, runs, usage: null });
    expect(withoutUsage.usageLabel).toBe('-');
    expect(withoutUsage.usageTokens).toBe('');
  });

  it('is resilient to missing arrays (fresh account)', () => {
    const x = aggregateDashboard({ projects: null, datasets: undefined, runs: null, usage: {} });
    expect(x.projectCount).toBe(0);
    expect(x.datasetCount).toBe(0);
    expect(x.runningRuns).toBe(0);
    expect(x.doneRuns).toBe(0);
  });
});

describe('sparkFirstLast (per-project latest backtest equity endpoints)', () => {
  it('picks the newest run with a result per project and returns first/last equity', () => {
    const runs = [
      { id: 'r-old', project_id: 'p1', created_at: '2026-01-01', result: { equity: [
        { equity: 100 },
        { equity: 130 } // old run: up
      ] } },
      { id: 'r-new', project_id: 'p1', created_at: '2026-02-01', result: { equity: [
        { equity: 100 },
        { equity: 90 } // newer run is down — must win over the old run
      ] } },
      { id: 'r-broken', project_id: 'p2', created_at: '2026-02-01', result: null },
      { id: 'r-only', project_id: 'p3', created_at: '2026-02-03', result: { equity: [
        { equity: 50 },
        { equity: 50 },
        { equity: 58 }
      ] } }
    ];
    const m = sparkFirstLast(runs);
    expect(m.get('p1')).toEqual({ first: 100, last: 90 });
    expect(m.get('p3')).toEqual({ first: 50, last: 58 });
    expect(m.has('p2')).toBe(false); // result=null → no sparkline, renders as empty
  });

  it('returns empty map for no runs', () => {
    expect([...sparkFirstLast([]).keys()]).toEqual([]);
  });
});