import dotenv from 'dotenv';
import { dirname, resolve } from 'path';
import { fileURLToPath } from 'url';

const __dirname = dirname(fileURLToPath(import.meta.url));
dotenv.config({ path: resolve(__dirname, '../../.env'), quiet: true });

function parseHttpsPort(val) {
    if (val === undefined || val === '') return 8443;
    if (val === 'false' || val === '0' || val === 'none' || val === 'disabled') return null;
    const n = Number(val);
    return Number.isInteger(n) && n > 0 ? n : 8443;
}

export default {
    port: Number(process.env.PORT) || 4208,
    httpsPort: parseHttpsPort(process.env.HTTPS_PORT),
    sqlStudioPort: Number(process.env.SQL_STUDIO_PORT) || 4210,
    httpsKeyPath: process.env.HTTPS_KEY_PATH || resolve(__dirname, '../../certs/key.pem'),
    httpsCertPath: process.env.HTTPS_CERT_PATH || resolve(__dirname, '../../certs/cert.pem'),
    logLevel: process.env.LOG_LEVEL || 'debug',
    bodyLimit: process.env.BODY_LIMIT || '100mb',
    corsOrigins: (process.env.CORS_ORIGINS || 'http://localhost:5173,https://quixpos.com,https://app.quixpos.com')
        .split(',')
        .map((s) => s.trim())
        .filter(Boolean),
    frontendUrl: process.env.FRONTEND_URL || 'http://localhost:4209',
    googleClientId: process.env.GOOGLE_CLIENT_ID,
    implicitCreate: process.env.IMPLICIT_CREATE === 'true',
    jwtSecret: process.env.JWT_SECRET || 'fallback_secret_please_change_in_production',
    dbProvider: process.env.DB_PROVIDER || (process.env.SQLITE_PATH ? 'sqlite' : 'mssql'),
    openrouterApiUrl: process.env.OPENROUTER_API_URL,
    openrouterFreeKey: process.env.OPENROUTER_FREE_KEY,
    openrouterFreeModel: process.env.OPENROUTER_FREE_MODEL || 'openrouter/free',
    openrouterPaidModel: process.env.OPENROUTER_PAID_MODEL || 'openai/gpt-6-luna:floor',
    sqlite: {
        filename: process.env.SQLITE_PATH || process.env.SQLITE_FILENAME || resolve(__dirname, '../../data/dash.db'),
    },
    mssql: {
        server: process.env.MSSQL_SERVER,
        database: process.env.MSSQL_DATABASE,
        user: process.env.MSSQL_USER,
        password: process.env.MSSQL_PASSWORD,
        port: Number(process.env.MSSQL_PORT) || 1433,
        encrypt: process.env.MSSQL_ENCRYPT === 'true',
        trustServerCertificate: process.env.MSSQL_TRUST_SERVER_CERTIFICATE === 'true',
    },
};