import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = dirname(fileURLToPath(import.meta.url));

export const ROOT = __dirname;
export const TMDBINTEGRAL_DIR = join(ROOT, 'tmdbintegral');
export const MOVIE_DIR = join(TMDBINTEGRAL_DIR, 'movie');
export const TV_DIR = join(TMDBINTEGRAL_DIR, 'tv');
export const JUSTWATCH_MOVIE_DIR = join(TMDBINTEGRAL_DIR, 'justwatchmovie');
export const JUSTWATCH_TV_DIR = join(TMDBINTEGRAL_DIR, 'justwatchtv');
export const IMDB_RATINGS = join(ROOT, 'imdbratings.tsv');
export const CRON_TXT = join(ROOT, 'cron.txt');
export const LASTCRON_TXT = join(ROOT, 'lastcron.txt');

function required(name) {
  const v = process.env[name];
  if (!v) throw new Error(`Variable d'environnement manquante: ${name} (voir .env.example)`);
  return v;
}

function int(name, def) {
  const v = process.env[name];
  return v ? parseInt(v, 10) : def;
}

function str(name, def) {
  return process.env[name] ?? def;
}

// Secrets / runtime
export const TMDB_API_KEY = required('TMDB_API_KEY');
export const ADMIN_PASSWORD_HASH = required('ADMIN_PASSWORD_HASH');
export const SESSION_SECRET = required('SESSION_SECRET');
export const PORT = int('PORT', 3000);
export const HOST = str('HOST', '0.0.0.0');
export const RATE_LIMIT_PER_SEC = int('RATE_LIMIT_PER_SEC', 50);

// URLs externes
export const TMDB_API_BASE = str('TMDB_API_BASE', 'https://api.themoviedb.org/3');
export const TMDB_EXPORTS_BASE = str('TMDB_EXPORTS_BASE', 'http://files.tmdb.org/p/exports');
export const IMDB_DATASETS_BASE = str('IMDB_DATASETS_BASE', 'https://datasets.imdbws.com');
export const MOVIE_URL = str('MOVIE_URL', 'https://www.themoviedb.org/movie');
export const TV_URL = str('TV_URL', 'https://www.themoviedb.org/tv');
export const MOVIE_API_URL = str('MOVIE_API_URL', 'https://tmdb.uklm.xyz/api?t=movie&q=');
export const TV_API_URL = str('TV_API_URL', 'https://tmdb.uklm.xyz/api?t=tv&q=');
export const POSTER_URL = str('POSTER_URL', 'https://image.tmdb.org/t/p/w200');
export const NO_POSTER_URL = str('NO_POSTER_URL', 'https://www.serveurperso.com/stats/noposter.jpg');
export const IMDB_URL = str('IMDB_URL', 'https://www.imdb.com/title');

// Reglages cron / recherche
export const CHANGES_DAYS = int('CHANGES_DAYS', 3);
export const NB_SEARCH_PARTS = int('NB_SEARCH_PARTS', 8);
export const NB_WORKERS = int('NB_WORKERS', 8);
export const TITLE_TOLERANCE = int('TITLE_TOLERANCE', 40);
export const LEV_INS = int('LEV_INS', 10);
export const LEV_REP = int('LEV_REP', 12);
export const LEV_DEL = int('LEV_DEL', 10);
export const LEV_SCALE = int('LEV_SCALE', 10);
export const YEAR_TOLERANCE = int('YEAR_TOLERANCE', 1);

export const TITLE = str('PAGE_TITLE', 'Index protégé');