import assert from 'node:assert/strict';
import net from 'node:net';
import test from 'node:test';
import {
  orchestratorServerInternals,
  startOrchestratorServer,
} from './server.mjs';

async function reservePort() {
  const server = net.createServer();
  await new Promise((resolve, reject) => {
    server.once('error', reject);
    server.listen(0, '127.0.0.1', resolve);
  });
  const { port } = server.address();
  await new Promise((resolve, reject) => {
    server.close((error) => (error ? reject(error) : resolve()));
  });
  return port;
}

test('orchestrator server owns checkpoint and Executor Job Store lifecycle', async (t) => {
  const port = await reservePort();
  const running = await startOrchestratorServer({
    env: {
      MEMIND_ORCHESTRATOR_CHECKPOINT_MODE: 'memory',
      MEMIND_ORCHESTRATOR_HOST: '127.0.0.1',
      MEMIND_ORCHESTRATOR_PORT: String(port),
    },
    logger: { log() {} },
  });
  let closed = false;
  t.after(async () => {
    if (!closed) await running.close();
  });

  assert.equal(running.checkpoint.kind, 'memory');
  assert.equal(running.executorJobs.kind, 'memory');
  const response = await fetch(`http://127.0.0.1:${port}/ready`);
  assert.equal(response.status, 200);
  const ready = await response.json();
  assert.equal(ready.ready, true);
  assert.deepEqual(ready.executorGateway.store, {
    kind: 'memory',
    durable: false,
  });

  await running.close();
  closed = true;
  assert.equal(running.server.listening, false);
});

test('orchestrator server fails closed for exposed or executable configurations without tokens', () => {
  assert.throws(
    () => orchestratorServerInternals.assertSecureServerConfig({
      host: '0.0.0.0',
      executionEnabled: false,
    }),
    (error) => error.code === 'ORCHESTRATOR_SERVICE_TOKEN_REQUIRED',
  );
  assert.throws(
    () => orchestratorServerInternals.assertSecureServerConfig({
      host: '127.0.0.1',
      executionEnabled: true,
      serviceToken: 'service-token',
    }),
    (error) => error.code === 'ORCHESTRATOR_EXECUTION_TOKENS_REQUIRED',
  );
  assert.throws(
    () => orchestratorServerInternals.assertSecureServerConfig({
      host: '127.0.0.1',
      executionEnabled: true,
      serviceToken: 'shared-token',
      workerToken: 'shared-token',
    }),
    (error) => error.code === 'ORCHESTRATOR_EXECUTION_TOKENS_NOT_DISTINCT',
  );
  assert.doesNotThrow(
    () => orchestratorServerInternals.assertSecureServerConfig({
      host: '0.0.0.0',
      executionEnabled: true,
      serviceToken: 'service-token',
      workerToken: 'worker-token',
    }),
  );
});

test('orchestrator retention sweep is disabled by default and applies an explicit cutoff', async () => {
  const calls = [];
  let intervalCallback = null;
  let cleared = false;
  const runtime = {
    async purgeTerminalRuns(options) {
      calls.push(options);
      return { deleted: [], failures: [] };
    },
  };
  assert.equal(
    orchestratorServerInternals.startRetentionSweep(runtime, {
      retentionDays: 0,
    }),
    null,
  );
  const sweep = orchestratorServerInternals.startRetentionSweep(runtime, {
    retentionDays: 30,
    intervalMs: 60 * 60 * 1000,
    nowMs: () => 40 * 24 * 60 * 60 * 1000,
    setIntervalFn(callback) {
      intervalCallback = callback;
      return { unref() {} };
    },
    clearIntervalFn() {
      cleared = true;
    },
    logger: { log() {}, warn() {} },
  });
  assert.equal(sweep.retentionDays, 30);
  intervalCallback();
  await new Promise((resolve) => setImmediate(resolve));
  assert.deepEqual(calls, [{
    before: 10 * 24 * 60 * 60 * 1000,
    limit: 100,
    dryRun: false,
  }]);
  sweep.stop();
  assert.equal(cleared, true);
});