import { test } from 'node:test';
import assert from 'node:assert/strict';
import { DockerServerAdapter } from '../src/servers/dockerAdapter.js';

const options = {
  bin: 'docker', image: 'joedwards32/cs2:latest', host: '192.168.178.111', rconHost: '192.168.178.111',
  portRangeStart: 27100, portRangeEnd: 27139, gslt: '', volume: 'cs2-mapveto-gamefiles', extraArgs: '', startTimeoutMinutes: 1,
};
const secrets = { rconPassword: 'Rcon123', serverPassword: 'Pw123', tvPassword: 'Tv123' };

/** Simuliertes Docker: merkt sich Aufrufe; Container gelten als "Update fertig", sobald freigegeben. */
function fakeDocker() {
  const calls = [];
  const updated = new Set();
  const run = async (args) => {
    calls.push(args);
    const [cmd] = args;
    const name = args.at(-1);
    if (cmd === 'inspect') return 'running';
    if (cmd === 'logs') return updated.has(name) ? 'Success! App \'730\' already up to date.\nStarting CS2 Dedicated Server' : 'Checking for available updates...';
    return '';
  };
  return { run, calls, finishUpdate: (name) => updated.add(name) };
}

const envOf = (args) => Object.fromEntries(args.flatMap((a, i) => (args[i - 1] === '-e' ? [a.split(/=(.*)/s).slice(0, 2)] : [])));

test('Ohne GSLT startet der Container im LAN-Modus, mit GSLT mit Token', async () => {
  const lan = fakeDocker();
  const a = new DockerServerAdapter(options, { getUsedPorts: () => new Set(), runDocker: lan.run });
  a.isReachable = async () => false;
  const r = await a.start({ matchId: 'abc_DEF-1', mode: 'wingman', secrets });
  lan.finishUpdate(r.handle.container);
  const runArgs = lan.calls.find((c) => c[0] === 'run');
  const env = envOf(runArgs);
  assert.equal(env.CS2_LAN, '1');
  assert.equal(env.SRCDS_TOKEN, undefined);
  assert.equal(env.CS2_GAMEMODE, '2');
  assert.equal(env.CS2_MAXPLAYERS, '6', '4 Spieler + CSTV + Reserve');
  assert.equal(env.CS2_ADDITIONAL_ARGS, '-allow_round_backup_files +sv_deltaticks_enforce 0', 'Rundensicherung für Rollback, keine Trennung wegen Delta-Ticks');
  assert.equal(env.CS2_PORT, '27100');
  assert.equal(env.TV_PORT, '27200');
  assert.ok(runArgs.includes('cs2-mapveto-gamefiles:/home/steam/cs2-dedicated'));
  assert.equal(r.host, '192.168.178.111');

  const tok = fakeDocker();
  const b = new DockerServerAdapter({ ...options, gslt: 'TOKEN1' }, { getUsedPorts: () => new Set(), runDocker: tok.run });
  b.isReachable = async () => false;
  const r2 = await b.start({ matchId: 'x', mode: 'competitive', secrets });
  tok.finishUpdate(r2.handle.container);
  const env2 = envOf(tok.calls.find((c) => c[0] === 'run'));
  assert.equal(env2.SRCDS_TOKEN, 'TOKEN1');
  assert.equal(env2.CS2_LAN, '0');
});

test('Zweiter Container startet erst, wenn der erste seinen Update-Check abgeschlossen hat', async () => {
  const d = fakeDocker();
  const used = new Set();
  const a = new DockerServerAdapter(options, { getUsedPorts: () => used, runDocker: d.run });
  // Wartezeit zwischen Prüfungen für den Test verkürzen
  const original = a.waitForUpdateCheck.bind(a);
  a.waitForUpdateCheck = (handle) => original(handle, { pollMs: 10 });
  a.isReachable = async () => false;

  const first = await a.start({ matchId: 'm1', mode: 'competitive', secrets });
  used.add(first.port).add(first.tvPort);
  let secondDone = false;
  const second = a.start({ matchId: 'm2', mode: 'competitive', secrets }).then((r) => { secondDone = true; return r; });

  await new Promise((r) => setTimeout(r, 60));
  assert.equal(secondDone, false, 'zweiter Start wartet noch');
  assert.equal(d.calls.filter((c) => c[0] === 'run').length, 1);

  d.finishUpdate(first.handle.container);
  const r2 = await second;
  assert.equal(d.calls.filter((c) => c[0] === 'run').length, 2);
  assert.equal(r2.port, 27101, 'zweiter Container bekommt den nächsten Port');
  d.finishUpdate(r2.handle.container);
});

test('Warteschlange gibt frei, sobald der Server per RCON antwortet – auch ohne Startzeile im Log', async () => {
  const d = fakeDocker();
  const used = new Set();
  const a = new DockerServerAdapter(options, { getUsedPorts: () => used, runDocker: d.run });
  const original = a.waitForUpdateCheck.bind(a);
  a.waitForUpdateCheck = (handle) => original(handle, { pollMs: 10 });
  const reachable = new Set();
  a.isReachable = async (handle) => reachable.has(handle.container);

  const first = await a.start({ matchId: 'r1', mode: 'wingman', secrets });
  used.add(first.port).add(first.tvPort);
  const second = a.start({ matchId: 'r2', mode: 'wingman', secrets });
  await new Promise((r) => setTimeout(r, 50));
  assert.equal(d.calls.filter((c) => c[0] === 'run').length, 1, 'wartet noch');
  reachable.add(first.handle.container); // Log ohne Startzeile, aber RCON antwortet
  const r2 = await second;
  assert.equal(d.calls.filter((c) => c[0] === 'run').length, 2);
  reachable.add(r2.handle.container);
});