/*
 * Copyright (c) 2026 by Christian Kellner.
 * Licensed under Apache-2.0 with Commons Clause and Attribution/Naming Clause
 */

import fs from 'fs';
import { checkIfConfigIsAccessible, getProviders, refreshConfig } from './lib/utils.js';
import * as similarityCache from './lib/services/similarity-check/similarityCache.js';
import { runMigrations } from './lib/services/storage/migrations/migrate.js';
import { ensureDemoUserExists, ensureAdminUserExists } from './lib/services/storage/userStorage.js';
import { initTrackerCron } from './lib/services/crons/tracker-cron.js';
import logger from './lib/services/logger.js';
import { reloadEnabledFromSettings } from './lib/services/debug/debugLogStorage.js';
import { initActiveCheckerCron } from './lib/services/crons/listing-alive-cron.js';
import { initGeocodingCron } from './lib/services/crons/geocoding-cron.js';
import { getSettings } from './lib/services/storage/settingsStorage.js';
import SqliteConnection, { computeDbPath } from './lib/services/storage/SqliteConnection.js';
import { initJobExecutionService } from './lib/services/jobs/jobExecutionService.js';
import { ensureValidBinary } from './lib/services/ensureValidBinary.js';

// Ensure the CloakBrowser stealth Chromium binary is present and complete before
// jobs run.  ensureValidBinary() also detects and auto-heals partial extractions
// (e.g. a newer version that was downloaded but only the chrome executable was
// written) so Chrome never crashes with "Invalid file descriptor to ICU data".
logger.info('Checking CloakBrowser binary...');
await ensureValidBinary();
logger.info('CloakBrowser binary ready.');

//in the config, we store the path of the sqlite file, thus we must check if it is available
const isConfigAccessible = await checkIfConfigIsAccessible();
await SqliteConnection.init();

// Load configuration before any other startup steps
await refreshConfig();

if (!isConfigAccessible) {
  logger.error('Configuration exists, but is not accessible. Please check the file permission');
  process.exit(1);
}

// Run DB migrations once at startup and block until finished
await runMigrations();

const settings = await getSettings();

// Restore the persisted on/off flag for opt-in DB log capture so it survives a
// Fredy restart. reloadEnabledFromSettings() also (un)wires the logger sink based
// on the restored flag, so the logger hot path stays cost-free when nobody enabled
// the feature.
await reloadEnabledFromSettings();

// Ensure the sqlite directory exists before loading anything else (based on config.sqlitepath)
const { dir: sqliteDir } = await computeDbPath();
if (!fs.existsSync(sqliteDir)) {
  fs.mkdirSync(sqliteDir, { recursive: true });
}

// Load provider modules once at startup
const providers = await getProviders();

similarityCache.initSimilarityCache();
similarityCache.startSimilarityCacheReloader();

//assuming interval is always in minutes
const INTERVAL = settings.interval * 60 * 1000;

// Initialize API only after migrations completed
await import('./lib/api/api.js');

if (settings.demoMode) {
  logger.info('Running in demo mode');
}

ensureAdminUserExists();
ensureDemoUserExists();
await initTrackerCron();
//do not wait for this to finish, let it run in the background
initActiveCheckerCron();
initGeocodingCron();

logger.info(`Started Fredy successfully. Ui can be accessed via http://localhost:${settings.port}`);

// Initialize the lean Job Execution Service (schedules and bus listeners)
initJobExecutionService({ providers, settings, intervalMs: INTERVAL });