/**
 * 路线 B 的坑 + 一个额外候选(同 run 内 timeTravel):
 *  1. 自定义 runId 撞车会怎样?(重开用确定性 runId 时的幂等性)
 *  2. run 结束后再 resume / 重复 resume 会怎样?
 *  3. 旧 run 的快照会不会被新 run 影响?
 *  4. 回边目标如果不是图的入口节点,新 run 怎么从中间开始?—— 试 run.timeTravel()
 *
 * 运行:SPIKE_NO_AUTORUN=1 tsx src/probe-04-route-b-pitfalls.ts
 */
import { createWorkflowStateReader } from '@mastra/core/workflows';
import { DecisionScript, Ledger, banner } from './ledger.js';
import { mastraB, storeB, _internals } from './route-b-external.js';
import { resetTrace } from './trace.js';

_internals.setLedger(new Ledger());
_internals.setScript(new DecisionScript([]));
resetTrace();

const wf = mastraB.getWorkflow('routeB');
const snapOf = async (workflowName: string, runId: string) =>
  (await (storeB as any).stores.workflows.loadWorkflowSnapshot({ workflowName, runId })) as
    | Record<string, any>
    | null;

const drive = async (run: any, steps: Array<[string[], any]>) => {
  for (const [path, data] of steps) await run.resume({ step: path, resumeData: data });
};

banner('坑 1:确定性 runId 撞车(重开时用 `${quoteId}-inst-N` 这种可读 ID)');
{
  const runId = 'dup-run-1';
  const r1 = await wf.createRun({ runId });
  await r1.start({ inputData: { quoteId: 'Q1', instanceSeq: 1, reopenedBy: null, prevRunId: null } });
  console.log('第一次 createRun+start → status =', (await wf.getWorkflowRunById(runId))?.status);
  const r2 = await wf.createRun({ runId });
  console.log('用同一个 runId 再 createRun → 没报错,拿到的是同一个 run?', r2.runId === runId);
  const st = await wf.getWorkflowRunById(runId);
  console.log('  此时 status =', st?.status, ' 挂起的是',
    JSON.stringify(createWorkflowStateReader(st!).getSuspendedStep()?.path));
  try {
    const rr = await r2.start({
      inputData: { quoteId: 'Q1', instanceSeq: 99, reopenedBy: null, prevRunId: null },
    });
    console.log('  对已挂起的 run 再 start() → status =', rr.status, 'error=', JSON.stringify((rr as any).error ?? null));
    const st2 = await wf.getWorkflowRunById(runId);
    console.log('  A4.suspendPayload 变了吗?', JSON.stringify((st2?.steps as any)?.A4?.suspendPayload));
  } catch (e) {
    console.log('  对已挂起的 run 再 start() 抛异常:', (e as Error).message);
  }
}

banner('坑 2:run 已经 success 之后再 resume');
{
  const runId = 'done-run-1';
  const run = await wf.createRun({ runId });
  await run.start({ inputData: { quoteId: 'Q2', instanceSeq: 1, reopenedBy: null, prevRunId: null } });
  await drive(run, [
    [['A4'], { price: 100 }],
    [['A5'], { verdict: 'pass' }],
    [['A6-sub', 'A6'], { outcome: 'won' }],
  ]);
  console.log('status =', (await wf.getWorkflowRunById(runId))?.status);
  try {
    const r = await run.resume({ step: ['A6-sub', 'A6'], resumeData: { outcome: 'won' } });
    console.log('已完成的 run 再 resume → status =', r.status, JSON.stringify((r as any).error ?? null));
  } catch (e) {
    console.log('已完成的 run 再 resume 抛异常:', (e as Error).message);
  }
  console.log('之后 status 还是 =', (await wf.getWorkflowRunById(runId))?.status, ' ← 老 run 没被打坏');
}

banner('坑 3:重复 resume 同一个 step(任务回调重复到达)');
{
  const runId = 'dupresume-1';
  const run = await wf.createRun({ runId });
  await run.start({ inputData: { quoteId: 'Q3', instanceSeq: 1, reopenedBy: null, prevRunId: null } });
  await run.resume({ step: ['A4'], resumeData: { price: 100 } });
  try {
    const r = await run.resume({ step: ['A4'], resumeData: { price: 100 } });
    console.log('第二次 resume A4 → status =', r.status, 'error =', JSON.stringify((r as any).error ?? null));
  } catch (e) {
    console.log('第二次 resume A4 抛异常:', (e as Error).message);
  }
  console.log('run 状态 =', (await wf.getWorkflowRunById(runId))?.status, ' ← 与路线 A 一样会被打成 failed');
}

banner('坑 4:回边目标不是入口节点时,新 run 能不能「从中间开始」?试 run.timeTravel()');
{
  const runId = 'tt-1';
  const run = await wf.createRun({ runId });
  await run.start({ inputData: { quoteId: 'Q4', instanceSeq: 1, reopenedBy: null, prevRunId: null } });
  await run.resume({ step: ['A4'], resumeData: { price: 100 } });
  await run.resume({ step: ['A5'], resumeData: { verdict: 'reject' } });
  const st = await wf.getWorkflowRunById(runId);
  console.log('E10 回边出口跑完,run status =', st?.status, 'result =', JSON.stringify(st?.result));

  // 用 timeTravel 在同一个 run 里回到 A5(模拟「回边目标是中间节点」)
  try {
    const r = await run.timeTravel({
      step: 'A5',
      inputData: {
        quoteId: 'Q4',
        instanceSeq: 2,
        reopenedBy: 'E10',
        prevRunId: null,
        price: 100,
        verdict: null,
        finalOutcome: null,
      },
    });
    console.log('timeTravel(step=A5) → status =', r.status);
    const st2 = await wf.getWorkflowRunById(runId);
    console.log('  A5.suspendPayload =', JSON.stringify((st2?.steps as any)?.A5?.suspendPayload));
    console.log('  A4 的记录还在吗?  ', JSON.stringify((st2?.steps as any)?.A4?.output));
    console.log('  第一次跑的 result 还在吗?', JSON.stringify(st2?.result));
  } catch (e) {
    console.log('timeTravel 抛异常:', (e as Error).message);
  }
}

banner('坑 5:旧 run 的快照会不会被新 run 影响');
{
  const q = 'Q5';
  const r1 = await wf.createRun({ runId: `${q}-inst-1`, resourceId: q });
  await r1.start({ inputData: { quoteId: q, instanceSeq: 1, reopenedBy: null, prevRunId: null } });
  await r1.resume({ step: ['A4'], resumeData: { price: 100 } });
  await r1.resume({ step: ['A5'], resumeData: { verdict: 'reject' } });

  const r2 = await wf.createRun({ runId: `${q}-inst-2`, resourceId: q });
  await r2.start({ inputData: { quoteId: q, instanceSeq: 2, reopenedBy: 'E10', prevRunId: `${q}-inst-1` } });
  await r2.resume({ step: ['A4'], resumeData: { price: 90 } });
  await r2.resume({ step: ['A5'], resumeData: { verdict: 'pass' } });
  await r2.resume({ step: ['A6-sub', 'A6'], resumeData: { outcome: 'won' } });

  for (const id of [`${q}-inst-1`, `${q}-inst-2`]) {
    const s = await snapOf('route-b', id);
    console.log(
      `${id}: status=${s?.status} A4.taskId=${s?.context?.A4?.suspendPayload?.taskId} A4.price=${s?.context?.A4?.output?.price} result=${JSON.stringify(s?.result)}`,
    );
  }
  const runs = await wf.listWorkflowRuns({ resourceId: q });
  console.log('listWorkflowRuns({resourceId}) →', runs.total, JSON.stringify(runs.runs.map((r: any) => r.runId)));
  _internals.getLedger().dump('probe-04');
}