require('dotenv').config();

const TURNSTILE_KEY_MATCH = /[0-9]x[0-9A-Za-z_-]{20,}/;

const normalizeTurnstileValue = (value) => {
    if (typeof value !== 'string') return '';

    const trimmedValue = value.trim();
    const keyMatch = trimmedValue.match(TURNSTILE_KEY_MATCH);
    if (keyMatch) return keyMatch[0];

    return trimmedValue.replace(/^[\s"'`{[]+|[\s"'`}\]]+$/g, '');
};

const firstEnvValue = (...values) => values
    .map(normalizeTurnstileValue)
    .find(Boolean) || '';

const TURNSTILE_SITE_KEY = firstEnvValue(
    process.env.TURNSTILE_SITE_KEY,
    process.env.TURNSTILE_SITEKEY,
    process.env.VITE_TURNSTILE_SITE_KEY,
    process.env.CLOUDFLARE_TURNSTILE_SITE_KEY
);

const TURNSTILE_SECRET = firstEnvValue(
    process.env.TURNSTILE_SECRET,
    process.env.TURNSTILE_SECRET_KEY,
    process.env.CLOUDFLARE_TURNSTILE_SECRET
);

module.exports = {
    PORT: process.env.PORT || 3004,
    API_KEY: process.env.API_KEY || 'nexstar_secret_key_123',
    ADMIN_EMAIL: process.env.ADMIN_EMAIL || 'admin@admin.com',
    ADMIN_PASSWORD: process.env.ADMIN_PASSWORD || 'admin123',
    JWT_SECRET: process.env.JWT_SECRET || 'super_secret_jwt_key_123',
    DATABASE_URL: process.env.DATABASE_URL || 'postgres://graphuser:graphpassword@localhost:5432/graphdb',
    N8N_WHATSAPP_TRIGGER_URL: process.env.N8N_WHATSAPP_TRIGGER_URL || 'http://localhost:5678/webhook/whatsapp',
    OLIST_CLIENT_ID: process.env.OLIST_CLIENT_ID || '',
    OLIST_CLIENT_SECRET: process.env.OLIST_CLIENT_SECRET || '',
    OLIST_REDIRECT_URI: process.env.OLIST_REDIRECT_URI || '',
    OLIST_FRONTEND_URL: process.env.OLIST_FRONTEND_URL || '',
    OLIST_TOKEN_ENCRYPTION_KEY: process.env.OLIST_TOKEN_ENCRYPTION_KEY || '',
    OLIST_SYNC_ENABLED: process.env.OLIST_SYNC_ENABLED === 'true',
    OLIST_SYNC_HOUR: 11,
    OLIST_SYNC_REQUEST_DELAY_MS: Math.max(2_500, Number(process.env.OLIST_SYNC_REQUEST_DELAY_MS) || 2_500),
    TURNSTILE_SITE_KEY,
    TURNSTILE_SECRET
};