import { describe, it, expect } from 'vitest';
import { parsePlayerList, parseWhitelistList, CAPABILITIES } from '../../src/adapters/serverAdapter.js';

describe('parsePlayerList', () => {
  it('parses Java list output', () => {
    const r = parsePlayerList(
      'There are 2 of a max of 20 players online: steve, alex'
    );
    expect(r).toEqual({ online: 2, max: 20, players: ['steve', 'alex'] });
  });

  it('parses Bedrock list output', () => {
    const r = parsePlayerList('There are 1/10 players online:\nnotch');
    expect(r).toEqual({ online: 1, max: 10, players: ['notch'] });
  });

  it('handles empty server', () => {
    const r = parsePlayerList('There are 0 of a max of 20 players online:');
    expect(r).toEqual({ online: 0, max: 20, players: [] });
  });
});

describe('CAPABILITIES', () => {
  it('java supports ban, bedrock does not', () => {
    expect(CAPABILITIES.JAVA.has('ban')).toBe(true);
    expect(CAPABILITIES.BEDROCK.has('ban')).toBe(false);
  });
});

describe('parseWhitelistList', () => {
  it('parses Java style text whitelist list', () => {
    const res = parseWhitelistList('There are 2 whitelisted players: steve, alex');
    expect(res).toEqual(['steve', 'alex']);
  });

  it('parses Bedrock style JSON allowlist list', () => {
    const res = parseWhitelistList(
      '41:55:938 INFO] ###* {"command":"allowlist", "result":[{"ignoresPlayerLimit":false,"name":"Lucasrguerra","xuid":"2535407895138987"}]} *###'
    );
    expect(res).toEqual(['Lucasrguerra']);
  });

  it('returns empty for an empty Bedrock allowlist (result: null), not garbage', () => {
    // This is the exact line that produced ghost "names" from log fragments.
    const res = parseWhitelistList(
      '[2026-07-18 22:53:21:185 INFO] ###* {"command":"allowlist","result":null} *###'
    );
    expect(res).toEqual([]);
  });

  it('returns empty for a Bedrock allowlist with an empty array', () => {
    expect(parseWhitelistList('###* {"command":"allowlist","result":[]} *###')).toEqual([]);
  });

  it('never scrapes names out of an unrelated log line with a colon', () => {
    expect(parseWhitelistList('[2026-07-18 22:53:23:695 ERROR] Syntax error: Unexpected token')).toEqual([]);
  });

  it('returns empty (not [""]) for the Java empty-whitelist message', () => {
    expect(parseWhitelistList('There are no whitelisted players')).toEqual([]);
  });
});