import test from 'node:test';
import assert from 'node:assert/strict';
import { mkdtempSync, rmSync, appendFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { world, sleep } from './world.mjs';
import { tasksAdapter, TIMEOUT } from '../src/index.mjs';
const day = (offset) => new Date(Date.now() + offset * 86400000).toISOString().slice(0, 10);
const credentialEvents = (w) =>
  w.store
    .all("SELECT kind, body FROM events WHERE kind LIKE 'credential.%' ORDER BY seq")
    .map((e) => [e.kind, JSON.parse(e.body)]);
// Timers the test fires by hand.
const manual = () => {
  const set = [];
  return {
    set,
    setInterval: (fn, ms) => {
      const t = { fn, ms, cleared: false, unref() {} };
      set.push(t);
      return t;
    },
    clearInterval: (t) => {
      t.cleared = true;
    },
  };
};
test('the boot config is checked before anything starts', async (t) => {
  const w = await world(t);
  const make = (tracker, edit = (b) => b) =>
    tasksAdapter({ trackers: { demo: tracker }, fetch: w.fake.fetch, autostart: false })({
      broker: w.broker,
      credentials: w.credentials,
      businesses: { demo: edit(structuredClone(w.businesses.demo)) },
    });
  const good = { baseUrl: 'http://vikunja.test', project: w.project };
  for (const bad of [
    { ...good, baseUrl: 'http://vikunja.test/api/v2' },
    { ...good, baseUrl: 'ftp://vikunja.test' },
    { ...good, baseUrl: 'http://user:pw@vikunja.test' },
    { ...good, project: 0 },
    { ...good, project: '1' },
    { ...good, pollSeconds: 5 },
    { ...good, reconcileMinutes: 0 },
    null,
  ])
    await assert.rejects(make(bad), (e) => e.code === 'tracker-config', JSON.stringify(bad));
  for (const edit of [
    (b) => ((b.tracker.sync.botId = 0), b),
    (b) => ((b.roles.coder.definition = 'pm'), b),
    (b) => (delete b.roles.pm.tracker, b),
    (b) => ((b.roles.coder.tracker.botId = -1), b),
    (b) => ((b.tracker.labels.bad = 0), b),
  ])
    await assert.rejects(make(good, edit), (e) => e.code === 'tracker-config');
  await assert.rejects(
    tasksAdapter({ trackers: { other: good } })({ broker: w.broker, credentials: w.credentials, businesses: w.businesses }),
    (e) => e.code === 'tracker-config',
  );
  const a = await make({ ...good, pollSeconds: 10 });
  assert.equal(a.timeout, TIMEOUT);
  assert.deepEqual(a.status(), [
    { business: 'demo', state: 'starting', refused: null, version: null, untested: null, lastPoll: null, lastReconcile: null },
  ]);
  await a.close();
});
test('a business with no tracker entry refuses task verbs', async (t) => {
  const w = await world(t);
  const a = await tasksAdapter({ trackers: {}, autostart: false })({
    broker: w.broker,
    credentials: w.credentials,
    businesses: w.businesses,
  });
  await assert.rejects(
    w.broker.requestTask(w.agent('pm'), { verb: 'task.close', args: { task_ref: 'vikunja:1/1', verdict: 'v' } }, a.handle),
    (e) => e.code === 'tracker-unconfigured',
  );
  assert.deepEqual(a.status(), []);
});
test('credential.expiring and .expired are recorded once per instance', async (t) => {
  const w = await world(t, { expires: { coder: day(3), reviewer: day(10) } });
  await w.adapter.start('demo');
  await w.adapter.notify('demo');
  assert.deepEqual(credentialEvents(w), [['credential.expiring', { service: 'vikunja', instance: 'demo/coder', date: day(3) }]]);
  const gone = await world(t, { expires: { pm: day(-1) } });
  await gone.adapter.start('demo');
  assert.equal(gone.adapter.status()[0].refused, 'credential-expired');
  await gone.adapter.notify('demo');
  assert.deepEqual(credentialEvents(gone), [['credential.expired', { service: 'vikunja', instance: 'demo/pm', date: day(-1) }]]);
});
test('a token file that changes on disk records credential.changed', async (t) => {
  const dir = mkdtempSync(join(tmpdir(), 'tasks-cred-'));
  t.after(() => rmSync(dir, { recursive: true, force: true }));
  const file = join(dir, 'pm.token');
  const w = await world(t, { files: { pm: file } });
  await w.adapter.start('demo');
  assert.equal(w.adapter.status()[0].state, 'ready');
  await w.adapter.notify('demo');
  assert.deepEqual(credentialEvents(w), []);
  appendFileSync(file, '\n');
  await w.adapter.notify('demo');
  await w.adapter.notify('demo');
  assert.deepEqual(credentialEvents(w), [['credential.changed', { service: 'vikunja', instance: 'demo/pm' }]]);
  // The file's path and contents stay out of the event.
  assert.ok(!JSON.stringify(credentialEvents(w)).includes(dir));
});
test('autostart polls, reconciles and retries a startup the tracker was down for', async (t) => {
  const timers = manual();
  let down = true;
  let w;
  w = await world(t, {
    adapter: { autostart: true, timers },
    tracker: { pollSeconds: 15, reconcileMinutes: 30 },
    fetch: (...a) => (down ? Promise.reject(new TypeError('fetch failed')) : w.fake.fetch(...a)),
  });
  await w.adapter.ready;
  assert.equal(w.adapter.status()[0].refused, 'tracker-unavailable');
  assert.deepEqual(
    timers.set.map((x) => x.ms),
    [15000, 1800000],
  );
  const [poll, hourly] = timers.set;
  down = false;
  poll.fn();
  await w.adapter.notify('demo');
  assert.equal(w.adapter.status()[0].state, 'ready');
  await w.ui('POST', `/projects/${w.project}/tasks`, { title: 'made in the UI' });
  // Startup's reconcile recorded nothing yet; this tick finds the new task.
  await sleep(20);
  poll.fn();
  await w.adapter.notify('demo');
  assert.equal(w.events('task.changed.external').length, 1);
  hourly.fn();
  await w.adapter.notify('demo');
  assert.notEqual(w.adapter.status()[0].lastReconcile, null);
  await w.adapter.close();
  assert.ok(timers.set.every((x) => x.cleared));
});
test('a refusal a restart must clear is not retried by the poll', async (t) => {
  const timers = manual();
  const w = await world(t, { adapter: { autostart: true, timers }, scopes: { sync: '*' } });
  await w.adapter.ready;
  assert.equal(w.adapter.status()[0].refused, 'scope-too-broad');
  const before = w.fake.requests.length;
  timers.set[0].fn();
  timers.set[1].fn();
  await w.adapter.notify('demo');
  assert.equal(w.fake.requests.length, before);
  assert.deepEqual(w.log, ['tasks demo startup scope-too-broad']);
});
test('a poll that fires while two are queued is dropped', async (t) => {
  const timers = manual();
  const w = await world(t, { adapter: { autostart: true, timers } });
  await w.adapter.ready;
  const boards = () => w.fake.requests.filter((r) => r.method === 'GET' && r.path.endsWith('/buckets/tasks')).length;
  let before = boards();
  await w.adapter.tick('demo');
  const perTick = boards() - before;
  assert.ok(perTick > 0);
  before = boards();
  // One tick runs and one waits; the other three are dropped.
  for (let i = 0; i < 5; i++) timers.set[0].fn();
  await w.adapter.notify('demo');
  assert.equal(boards() - before, 2 * perTick);
  assert.deepEqual(w.log, []);
});
test('close waits for a running verb and refuses one that has not started', async (t) => {
  let hold, entered;
  const reached = new Promise((ok) => (entered = ok));
  let w;
  w = await world(t, {
    fetch: async (url, init) => {
      if (hold && init?.method === 'POST' && url.endsWith(`/projects/${w.project}/tasks`)) {
        entered();
        await hold;
      }
      return w.fake.fetch(url, init);
    },
  });
  await w.adapter.start('demo');
  const pm = w.agent('pm');
  let release;
  hold = new Promise((ok) => (release = ok));
  const running = w.call(pm, 'task.create', { title: 'x', request: w.instruction(), requirement: 'REQ-S-1' });
  await reached;
  const queued = w.call(pm, 'task.create', { title: 'y', request: w.instruction(), requirement: 'REQ-S-1' });
  let done = false;
  const closing = w.adapter.close().then(() => (done = true));
  await sleep(20);
  assert.equal(done, false);
  release();
  await closing;
  assert.ok((await running).task_ref);
  await assert.rejects(queued, (e) => e.code === 'tracker-closed');
  await assert.rejects(
    w.call(pm, 'task.create', { title: 'z', request: w.instruction(), requirement: 'REQ-S-1' }),
    (e) => e.code === 'tracker-closed',
  );
  assert.equal(w.events('task.created').length, 1);
  assert.deepEqual(w.log, []);
});