// Row 59 (#1548): `agents` gives human and reader sessions each held role's state,
// derived from records the bus already keeps. A role session gets the claims only.
import test from 'node:test';
import assert from 'node:assert/strict';
import { mkdtempSync, rmSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { Store } from '../src/store.mjs';
import { Broker } from '../src/broker.mjs';

const options = [
  { key: 'yes', text: 'Allow' },
  { key: 'no', text: 'Decline' },
];
const roles = {
  pm: { authority: { withinRole: ['message.send', 'task.create'], crossRole: [] } },
  cto: { authority: { withinRole: ['message.send'], crossRole: ['task.scope.change'] } },
  coder: { authority: { withinRole: ['message.send'], crossRole: ['task.scope.change'] } },
};
const businesses = {
  demo: { id: 'demo', human: 'jason', arbiters: { technical: 'cto', delivery: 'pm' }, roles },
  other: { id: 'other', human: 'jason', arbiters: { technical: 'cto', delivery: 'pm' }, roles },
};
const CLAIM = ['seq', 'at', 'business', 'role', 'op', 'holder_run', 'harness', 'address', 'by', 'reason', 'decision'];
function setup(t) {
  const root = mkdtempSync(join(tmpdir(), 'bus-agents-'));
  const store = new Store(root);
  const b = new Broker({ store, businesses });
  t.after(() => {
    store.close();
    rmSync(root, { recursive: true, force: true });
  });
  const agent = (role, business = 'demo', run = `${business}-${role}-run`) => {
    const cap = b.bindLaunch({ business, role, run, harness: 'pi', address: run });
    b.request(cap, { verb: 'role.claim' });
    return cap;
  };
  const human = b.bindHuman({ business: 'demo', human: 'jason', via: 'cli', outsideAgent: true });
  const reader = b.bindReader({ business: 'demo' });
  return { b, store, agent, human, reader };
}
const call = (b, cap, verb, args = {}) => b.request(cap, { verb, args });
const raise = (b, cap, action, extra = {}) =>
  call(b, cap, 'decision.raise', { action, question: `${action}?`, options, recommendation: 'no', blocking: false, ...extra });
const byRole = (rows) => Object.fromEntries(rows.map((r) => [r.role, r]));
const states = (b, cap) => Object.fromEntries(call(b, cap, 'agents').map((r) => [r.role, r.state]));
const delivered = (store, id) => store.get("SELECT at FROM deliveries WHERE message=? AND op='delivered'", id).at;

test('agents: a held role with nothing on the bus is idle; a role session gets the claim rows unchanged', (t) => {
  const { b, agent, human, reader } = setup(t);
  const pm = agent('pm');
  agent('coder');
  const rows = call(b, human, 'agents');
  assert.deepEqual(rows.map((r) => [r.role, r.state, r.working, r.inputNeeded]), [
    ['coder', 'idle', null, []],
    ['pm', 'idle', null, []],
  ]);
  for (const r of rows) assert.deepEqual(Object.keys(r), [...CLAIM, 'state', 'working', 'inputNeeded']);
  assert.deepEqual(call(b, reader, 'agents'), rows);
  const plain = call(b, pm, 'agents');
  for (const r of plain) assert.deepEqual(Object.keys(r), CLAIM);
  assert.deepEqual(plain.map((r) => ({ ...r })), rows.map((r) => Object.fromEntries(CLAIM.map((k) => [k, r[k]]))));
});

test('agents: working counts what the holder received and has not read; routed alone is not working', (t) => {
  const { b, store, agent, human } = setup(t);
  const pm = agent('pm');
  const one = call(b, human, 'message.send', { to: 'pm', body: 'first' });
  assert.equal(states(b, human).pm, 'idle', 'routed, not received');
  assert.deepEqual(call(b, pm, 'message.receive').map((m) => m.id), [one.id]);
  const two = call(b, human, 'message.send', { to: 'pm', body: 'second' });
  let row = byRole(call(b, human, 'agents')).pm;
  assert.equal(row.state, 'working');
  assert.deepEqual(row.working, { messages: 1, since: delivered(store, one.id) });
  call(b, pm, 'message.receive');
  row = byRole(call(b, human, 'agents')).pm;
  assert.deepEqual(row.working, { messages: 2, since: delivered(store, one.id) });
  call(b, pm, 'message.read', { id: one.id });
  row = byRole(call(b, human, 'agents')).pm;
  assert.deepEqual(row.working, { messages: 1, since: delivered(store, two.id) });
  call(b, pm, 'message.read', { id: two.id });
  row = byRole(call(b, human, 'agents')).pm;
  assert.deepEqual([row.state, row.working], ['idle', null]);
});

test("agents: input needed is the role's open decisions routed to the human, gated first, then oldest", (t) => {
  const { b, agent, human } = setup(t);
  const cto = agent('cto');
  const coder = agent('coder');
  agent('pm');
  // The arbiter raising a cross-role decision in its own domain routes it to the human.
  const own = raise(b, cto, 'task.scope.change', { domain: 'technical', target: 'vikunja:3/1' });
  const toCto = raise(b, coder, 'task.scope.change', { domain: 'technical', target: 'vikunja:3/2' });
  const first = raise(b, cto, 'deploy', { target: 'release-1', task_ref: 'vikunja:3/3', blocking: true });
  const second = raise(b, cto, 'deploy', { target: 'release-2' });
  const replaced = raise(b, cto, 'deploy', { target: 'release-3' });
  raise(b, cto, 'deploy', { target: 'release-3b', supersedes: replaced.id, question: 'Ship 3b?' });
  const resolved = raise(b, cto, 'deploy', { target: 'release-4' });
  call(b, human, 'decision.resolve', { id: resolved.id, choice: 'no' });
  call(b, human, 'decision.seen', { id: second.id });
  assert.deepEqual([own.route_to, own.class, toCto.route_to, first.route_to, first.class], ['human', 'cross-role', 'cto', 'human', 'gated']);
  const rows = byRole(call(b, human, 'agents'));
  assert.equal(rows.cto.state, 'waiting');
  assert.equal(rows.cto.working, null);
  const latest = call(b, human, 'inbox').find((d) => d.question === 'Ship 3b?');
  assert.deepEqual(rows.cto.inputNeeded, [
    { id: first.id, question: 'deploy?', class: 'gated', blocking: true, task_ref: 'vikunja:3/3', at: first.at },
    { id: second.id, question: 'deploy?', class: 'gated', blocking: false, task_ref: null, at: second.at },
    { id: latest.id, question: 'Ship 3b?', class: 'gated', blocking: false, task_ref: null, at: latest.at },
    { id: own.id, question: 'task.scope.change?', class: 'cross-role', blocking: false, task_ref: null, at: own.at },
  ]);
  // The inbox shows the same open decisions; a decision routed to a role is no one's Input needed.
  assert.deepEqual(call(b, human, 'inbox').map((d) => d.id), rows.cto.inputNeeded.map((d) => d.id));
  assert.deepEqual([rows.coder.state, rows.coder.inputNeeded, rows.pm.state], ['idle', [], 'idle']);
  for (const d of rows.cto.inputNeeded) call(b, human, 'decision.resolve', { id: d.id, choice: 'no' });
  assert.deepEqual([byRole(call(b, human, 'agents')).cto.state, byRole(call(b, human, 'agents')).cto.inputNeeded], ['idle', []]);
});

test('agents: working wins over waiting, and Input needed still shows', (t) => {
  const { b, agent, human } = setup(t);
  const cto = agent('cto');
  const asked = raise(b, cto, 'deploy', { target: 'release-1' });
  call(b, human, 'message.send', { to: 'cto', body: 'status?' });
  call(b, cto, 'message.receive');
  const row = byRole(call(b, human, 'agents')).cto;
  assert.equal(row.state, 'working');
  assert.equal(row.working.messages, 1);
  assert.deepEqual(row.inputNeeded.map((d) => d.id), [asked.id]);
});

test("agents: a new holder doesn't inherit what the last one left unread; decisions stay with the role", (t) => {
  const { b, agent, human } = setup(t);
  const first = agent('cto', 'demo', 'cto-one');
  const asked = raise(b, first, 'deploy', { target: 'release-1' });
  call(b, human, 'message.send', { to: 'cto', body: 'left unread' });
  call(b, first, 'message.receive');
  assert.equal(states(b, human).cto, 'working');
  call(b, first, 'role.release');
  assert.deepEqual(call(b, human, 'agents'), [], 'a released role is not listed');
  agent('cto', 'demo', 'cto-two');
  const row = byRole(call(b, human, 'agents')).cto;
  assert.deepEqual([row.holder_run, row.state, row.working], ['cto-two', 'waiting', null]);
  assert.deepEqual(row.inputNeeded.map((d) => d.id), [asked.id]);
});

test('agents: state reads only its own business, even for a run name both use', (t) => {
  const { b, agent, human } = setup(t);
  // A run name is unique per business only, so the holder alone doesn't separate them.
  agent('cto', 'demo', 'cto-run');
  const away = agent('cto', 'other', 'cto-run');
  raise(b, away, 'deploy', { target: 'release-1' });
  const otherHuman = b.bindHuman({ business: 'other', human: 'jason', via: 'cli', outsideAgent: true });
  call(b, otherHuman, 'message.send', { to: 'cto', body: 'elsewhere' });
  call(b, away, 'message.receive');
  const here = byRole(call(b, human, 'agents')).cto;
  assert.deepEqual([here.state, here.working, here.inputNeeded], ['idle', null, []]);
  const there = byRole(call(b, otherHuman, 'agents')).cto;
  assert.deepEqual([there.state, there.working.messages, there.inputNeeded.length], ['working', 1, 1]);
});