import assert from 'node:assert/strict';
import { readFileSync } from 'node:fs';
import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';
import { describe, it } from 'node:test';
import { classifyPackage, parseProfile, type ScrapedPackage } from '../src/lib/gextension.js';
import { looksLikeSteamId, normalizeSteamId, toLegacySteamId } from '../src/lib/steamid.js';

const here = dirname(fileURLToPath(import.meta.url));
const FIXTURE = readFileSync(join(here, 'fixtures', 'profil.html'), 'utf8');

function pkg(overrides: Partial<ScrapedPackage>): ScrapedPackage {
  return {
    packageBoughtId: 1,
    packageName: 'Custom Character',
    serverBundle: 'SCP-RP',
    purchasedAt: null,
    amount: '0.00 EUR',
    gateway: '',
    revoked: false,
    ...overrides,
  };
}

describe('Profil auslesen', () => {
  const profile = parseProfile(FIXTURE, '76561198000000999');

  it('findet alle Pakete', () => {
    assert.equal(profile.packages.length, 8);
  });

  it('liest Titel, Bereich und Kaufdatum', () => {
    const cc = profile.packages.find((p) => p.packageBoughtId === 9001);
    assert.ok(cc);
    assert.equal(cc.packageName, 'Custom Character');
    assert.equal(cc.serverBundle, 'SCP-RP');
    assert.equal(cc.purchasedAt?.getFullYear(), 2025);
    assert.equal(cc.purchasedAt?.getMonth(), 9, 'Oktober');
    assert.equal(cc.purchasedAt?.getDate(), 6);
  });

  it('erkennt stornierte Kaeufe', () => {
    const revoked = profile.packages.find((p) => p.packageBoughtId === 9007);
    assert.equal(revoked?.revoked, true);
  });

  it('liest den Nicknamen aus der Allgemein-Box', () => {
    assert.equal(profile.nickname, 'Testspieler');
  });

  it('kommt mit kaputtem HTML klar, ohne alles zu verlieren', () => {
    const broken = FIXTURE.replace(
      'donations_data[9004] = {"id"',
      'donations_data[9004] = {kaputt"id"',
    );
    const result = parseProfile(broken, '76561198000000999');
    assert.equal(result.packages.length, 7, 'nur die kaputte Zeile faellt weg');
  });
});

describe('Pakete zuordnen', () => {
  it('erkennt ein CC-Paket', () => {
    assert.deepEqual(classifyPackage(pkg({ packageName: 'Custom Character' })), {
      kind: 'package',
      target: 'CC_PACKAGE',
    });
  });

  it('erkennt die Schreibweise mit K', () => {
    assert.deepEqual(classifyPackage(pkg({ packageName: 'Custom Charakter-Beantragung' })), {
      kind: 'package',
      target: 'CC_PACKAGE',
    });
  });

  it('zaehlt "Custom Character Redesign" als Redesign, nicht als CC', () => {
    assert.deepEqual(classifyPackage(pkg({ packageName: 'Custom Character Redesign' })), {
      kind: 'package',
      target: 'REDESIGN_PACKAGE',
    });
  });

  it('liest den Verbrauchszaehler samt Anzahl', () => {
    const result = classifyPackage(
      pkg({ packageName: 'CC-Paket oder Redesign genutzt | 3 Mal' }),
    );
    assert.deepEqual(result, { kind: 'usage_counter', times: 3 });
  });

  it('ignoriert Merch und Raenge trotz SCP-RP-Tag', () => {
    assert.equal(classifyPackage(pkg({ packageName: 'FG-Tasse | Merch' })).kind, 'ignore');
    assert.equal(classifyPackage(pkg({ packageName: '25 Ingame-Level' })).kind, 'ignore');
    assert.equal(classifyPackage(pkg({ packageName: 'VIP (12 Monate)' })).kind, 'ignore');
  });

  it('ignoriert alles aus dem Web-Bereich', () => {
    const result = classifyPackage(
      pkg({ packageName: 'Ablassbrief (01.04.2026)', serverBundle: 'Web' }),
    );
    assert.equal(result.kind, 'ignore');
  });

  it('bucht ein storniertes Paket nicht', () => {
    const result = classifyPackage(pkg({ packageName: 'Custom Character', revoked: true }));
    assert.equal(result.kind, 'ignore');
  });

  it('schiebt unklare CC-Titel in die Handpruefung statt zu raten', () => {
    assert.equal(classifyPackage(pkg({ packageName: 'CC Sonderaktion Winter' })).kind, 'unclear');
  });
});

describe('SteamID-Schreibweisen', () => {
  // Dieselbe (erfundene) Kennung in drei Formaten.
  const legacy = 'STEAM_0:1:19867635';
  const modern = '[U:1:39735271]';
  const sixtyFour = '76561198000000999';

  it('fuehrt alle drei Formate auf dieselbe ID zusammen', () => {
    assert.equal(normalizeSteamId(legacy), sixtyFour);
    assert.equal(normalizeSteamId(modern), sixtyFour);
    assert.equal(normalizeSteamId(sixtyFour), sixtyFour);
  });

  it('rechnet zurueck in die Legacy-Form', () => {
    assert.equal(toLegacySteamId(sixtyFour), legacy);
  });

  it('beherrscht auch das ungerade Bit', () => {
    const odd = 'STEAM_0:1:12345678';
    const asNumber = normalizeSteamId(odd);
    assert.ok(asNumber);
    assert.equal(toLegacySteamId(asNumber), odd);
  });

  it('weist Unsinn ab', () => {
    assert.equal(normalizeSteamId('Darkbrine44'), null);
    assert.equal(normalizeSteamId(''), null);
    assert.equal(normalizeSteamId('12345'), null);
    assert.equal(looksLikeSteamId('Darkbrine44'), false);
  });
});