'use strict';

const test = require('node:test');
const assert = require('node:assert/strict');

const {
  decideLobbySafety,
  findAdminMember,
  normalizeIdentity,
  toDotaLobbyDetails,
  validateLobbySettings,
} = require('../lib/lobby-settings');
const { parseWorkshopPublishData } = require('../lib/workshop-metadata');

function validSettings(overrides = {}) {
  return {
    lobbyName: 'Long queue lobby',
    serverRegion: 3,
    customGameId: '123456789012345678',
    customGameMode: 'my_addon',
    customMapName: 'my_map',
    customMinPlayers: 2,
    customMaxPlayers: 10,
    notifyAtPlayers: 8,
    leaveAtPlayers: 9,
    adminNames: 'Alice, Bob',
    ...overrides,
  };
}

test('validates per-lobby thresholds excluding the bot slot', () => {
  const settings = validateLobbySettings(validSettings({ leaveAtPlayers: 9 }));
  assert.equal(settings.leaveAtPlayers, 9);
  assert.equal(settings.customMaxPlayers, 10);
  assert.deepEqual(settings.adminNames, ['Alice', 'Bob']);
});

test('rejects a leave threshold above the custom-game player maximum', () => {
  assert.throws(
    () => validateLobbySettings(validSettings({ leaveAtPlayers: 11 })),
    /cannot exceed the custom-game maximum/,
  );
});

test('rejects an unreachable leave threshold while the lobby owner occupies a slot', () => {
  assert.throws(
    () => validateLobbySettings(validSettings({ leaveAtPlayers: 10 })),
    /must be below the custom-game maximum/,
  );
});

test('rejects notification after auto-leave', () => {
  assert.throws(
    () => validateLobbySettings(validSettings({ notifyAtPlayers: 9, leaveAtPlayers: 8 })),
    /must not exceed/,
  );
});

test('normalizes unicode persona names and accepts SteamID64 as an admin identity', () => {
  const settings = validateLobbySettings(validSettings({ adminNames: ['Ａlice', '76561198000000000'] }));
  const byName = findAdminMember(settings, [{ steamId: '1', name: 'Alice' }]);
  const byId = findAdminMember(settings, [{ steamId: '76561198000000000', name: 'Renamed' }]);
  assert.equal(byName.name, 'Alice');
  assert.equal(byId.name, 'Renamed');
  assert.equal(normalizeIdentity('  ALICE  '), 'alice');
});

test('maps validated settings to current protobuf field names', () => {
  const settings = validateLobbySettings(validSettings({
    customGameCrc: '42',
    customGameTimestamp: '1234',
  }));
  assert.deepEqual(toDotaLobbyDetails(settings), {
    gameName: 'Long queue lobby',
    serverRegion: 3,
    gameMode: 15,
    allowCheats: false,
    fillWithBots: false,
    allowSpectating: true,
    passKey: '',
    lan: false,
    customGameMode: 'my_addon',
    customMapName: 'my_map',
    customDifficulty: 0,
    customGameId: '123456789012345678',
    customMinPlayers: 2,
    customMaxPlayers: 10,
    visibility: 0,
    customGameCrc: '42',
    customGameTimestamp: 1234,
    customGamePenalties: true,
  });
});

test('rejects a public custom lobby without its internal addon name', () => {
  assert.throws(
    () => validateLobbySettings(validSettings({ customGameMode: '' })),
    /Internal addon name is required/,
  );
});

test('leaves at the selected real-player count before doing name lookups', () => {
  const settings = validateLobbySettings(validSettings({ notifyAtPlayers: 2, leaveAtPlayers: 3 }));
  const members = [
    { steamId: '1', name: '' },
    { steamId: '2', name: '' },
    { steamId: '3', name: '' },
  ];
  assert.deepEqual(decideLobbySafety(settings, members, 0), { action: 'player-limit', admin: null });
});

test('never recommends an abandon-style leave after lobby launch starts', () => {
  const settings = validateLobbySettings(validSettings({ notifyAtPlayers: 2, leaveAtPlayers: 3 }));
  const members = Array.from({ length: 3 }, (_, i) => ({ steamId: String(i + 1), name: '' }));
  assert.deepEqual(decideLobbySafety(settings, members, 1), { action: 'unsafe-state', admin: null });
});

test('reads the internal addon name from Steam Workshop publish_data', () => {
  assert.deepEqual(parseWorkshopPublishData(`"publish_data"
{
  "source_folder" "custom_hero_clash"
  "publish_time" "1785566650"
}`), {
    sourceFolder: 'custom_hero_clash',
    publishTime: '1785566650',
  });
});