/**
 * Scriptalizer Separator Test
 * Tests which separator character survives Scriptalizer API processing
 */

const https = require('https');
const { parseStringPromise } = require('xml2js');

const LICENSE_KEY = 'f9918b40-d11c-11f0-b558-0800200c9a66';

// Test different separators
const SEPARATORS = [
  { name: 'Triple Pipe', value: '|||' },
  { name: 'Triple Tilde', value: '~~~' },
  { name: 'Triple Hash', value: '###' },
  { name: 'Paragraph Signs', value: '§§§' },
  { name: 'Double Pipe', value: '||' },
  { name: 'Custom Marker', value: '___SKRIFT___' },
  { name: 'Newline + Dashes', value: '\n---\n' },
];

async function callScriptalizer(inputText) {
  return new Promise((resolve, reject) => {
    // Use x-www-form-urlencoded format
    const params = new URLSearchParams();
    params.append('LicenseKey', LICENSE_KEY);
    params.append('FontName', 'PremiumUltra79');
    params.append('ErrFrequency', '10');
    params.append('InputText', inputText);

    const body = params.toString();

    const options = {
      hostname: 'www.scriptalizer.co.uk',
      port: 443,
      path: '/QuantumScriptalize.asmx/Scriptalize',
      method: 'POST',
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
        'Content-Length': Buffer.byteLength(body)
      }
    };

    const req = https.request(options, (res) => {
      let data = '';

      res.on('data', (chunk) => {
        data += chunk;
      });

      res.on('end', async () => {
        try {
          const result = await parseStringPromise(data, { explicitArray: false });
          const response = result.ScriptalizerResponse;

          if (!response || response.Status !== 'OK') {
            reject(new Error(response?.Status || 'UNKNOWN_STATUS'));
            return;
          }

          resolve({ status: 'OK', outputText: response.OutputText });
        } catch (err) {
          reject(err);
        }
      });
    });

    req.on('error', (err) => {
      reject(err);
    });

    req.write(body);
    req.end();
  });
}

async function testSeparator(separator) {
  console.log(`\n${'='.repeat(60)}`);
  console.log(`Testing: ${separator.name} (${JSON.stringify(separator.value)})`);
  console.log('='.repeat(60));

  // Create test input with 3 short texts separated by the separator
  const texts = [
    'Hallo Max Mustermann aus Berlin',
    'Liebe Anna Schmidt aus München',
    'Sehr geehrter Tom Weber aus Hamburg'
  ];

  const inputText = texts.join(separator.value);

  console.log('\nInput:');
  console.log(inputText.substring(0, 150));
  console.log(`\nSeparator appears: ${(inputText.match(new RegExp(separator.value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'g')) || []).length} times`);

  try {
    const result = await callScriptalizer(inputText);

    console.log('\nOutput (first 200 chars):');
    console.log(result.outputText.substring(0, 200) + '...');

    // Check if separator survived
    const separatorRegex = new RegExp(separator.value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'g');
    const separatorCount = (result.outputText.match(separatorRegex) || []).length;

    console.log(`\nSeparator found in output: ${separatorCount} times`);

    if (separatorCount === 2) {
      console.log('✅ SUCCESS: Separator survived!');

      // Try to split
      const split = result.outputText.split(separator.value);
      console.log(`\nSplit result: ${split.length} parts`);

      if (split.length === 3) {
        console.log('✅ PERFECT: Can split into 3 parts!');
        console.log('\nPart 1 (first 50 chars):', split[0].substring(0, 50) + '...');
        console.log('Part 2 (first 50 chars):', split[1].substring(0, 50) + '...');
        console.log('Part 3 (first 50 chars):', split[2].substring(0, 50) + '...');

        return { separator: separator.name, value: separator.value, success: true, split: true };
      } else {
        console.log('⚠️  WARNING: Split count mismatch');
        return { separator: separator.name, value: separator.value, success: true, split: false };
      }
    } else {
      console.log('❌ FAILED: Separator was modified or not found');
      return { separator: separator.name, value: separator.value, success: false, found: separatorCount };
    }

  } catch (err) {
    console.log(`\n❌ ERROR: ${err.message}`);
    return { separator: separator.name, value: separator.value, success: false, error: err.message };
  }
}

async function runTests() {
  console.log('╔════════════════════════════════════════════════════════════╗');
  console.log('║      Scriptalizer Separator Test Suite                    ║');
  console.log('║      Testing which separator survives API processing      ║');
  console.log('╚════════════════════════════════════════════════════════════╝');

  const results = [];

  for (const separator of SEPARATORS) {
    const result = await testSeparator(separator);
    results.push(result);

    // Wait 2 seconds between tests to avoid rate limiting
    if (separator !== SEPARATORS[SEPARATORS.length - 1]) {
      console.log('\nWaiting 2 seconds before next test...');
      await new Promise(resolve => setTimeout(resolve, 2000));
    }
  }

  // Summary
  console.log('\n\n' + '═'.repeat(60));
  console.log('SUMMARY');
  console.log('═'.repeat(60));

  const successful = results.filter(r => r.success && r.split);
  const partial = results.filter(r => r.success && !r.split);
  const failed = results.filter(r => !r.success);

  console.log('\n✅ Fully Working Separators (can split):');
  if (successful.length === 0) {
    console.log('   None');
  } else {
    successful.forEach(r => console.log(`   - ${r.separator} (${JSON.stringify(r.value)})`));
  }

  console.log('\n⚠️  Partially Working Separators (found but cannot split):');
  if (partial.length === 0) {
    console.log('   None');
  } else {
    partial.forEach(r => console.log(`   - ${r.separator}`));
  }

  console.log('\n❌ Failed Separators:');
  if (failed.length === 0) {
    console.log('   None');
  } else {
    failed.forEach(r => console.log(`   - ${r.separator} (${r.error || 'modified by API'})`));
  }

  console.log('\n' + '═'.repeat(60));

  if (successful.length > 0) {
    console.log(`\n🎉 RECOMMENDATION: Use "${successful[0].separator}" as separator`);
    console.log(`   Separator value: ${JSON.stringify(successful[0].value)}`);
  } else if (partial.length > 0) {
    console.log(`\n⚠️  RECOMMENDATION: Use "${partial[0].separator}" but verify split logic`);
  } else {
    console.log('\n❌ No separator worked - need to use individual API calls');
  }
}

// Run tests
runTests().catch(console.error);