require('dotenv').config();
const path = require('path');

const isProduction = process.env.NODE_ENV === 'production';

module.exports = {
  env: process.env.NODE_ENV || 'development',
  port: parseInt(process.env.PORT, 10) || 4000,

  scriptalizer: {
    licenseKey: process.env.SCRIPTALIZER_LICENSE_KEY,
    errFrequency: parseInt(process.env.SCRIPTALIZER_ERR_FREQUENCY, 10) || 0,
    endpoint: 'https://www.scriptalizer.co.uk/QuantumScriptalize.asmx/Scriptalize',
    fontMap: {
      tilda: 'PremiumUltra79',
      alva: 'PremiumUltra23',
      ellie: 'PremiumUltra39'
    },
    separator: '|||',  // Triple pipe separator (tested and working)
    maxInputSize: 48000  // 48KB limit
  },

  preview: {
    // No batch size limit - frontend can send any number of letters
    // Backend splits into 25-letter batches for Scriptalizer API internally
    scriptalizerBatchSize: 25
    // No cache lifetime - files are kept until manually cleaned
    // No rate limiting
  },

  paths: {
    cache: isProduction ? '/app/cache' : path.join(__dirname, '../../cache'),
    previews: isProduction ? '/app/cache/previews' : path.join(__dirname, '../../cache/previews'),
    output: isProduction ? '/app/output' : path.join(__dirname, '../../output'),
    fonts: isProduction ? '/app/fonts' : path.join(__dirname, '../../fonts')
  },

  cors: {
    origin: process.env.CORS_ORIGIN || '*',
    credentials: true
  },

  auth: {
    apiToken: process.env.API_TOKEN || null
  },

  paypal: {
    clientId: process.env.PAYPAL_CLIENT_ID || '',
    clientSecret: process.env.PAYPAL_CLIENT_SECRET || '',
    // 'sandbox' oder 'live'
    environment: process.env.PAYPAL_ENVIRONMENT || 'sandbox'
  }
};