/**
 * Test script for the .prproj remapper.
 * Run: node test-remap.js <path-to-prproj>
 */

const fs = require('fs');
const path = require('path');
const { remapPrproj, analyzePrproj } = require('./prproj-remapper');

async function main() {
  const inputFile = process.argv[2];
  if (!inputFile) {
    console.error('Usage: node test-remap.js <path-to-prproj>');
    process.exit(1);
  }

  console.log(`\n=== .prproj Remapper Test ===\n`);
  console.log(`Input: ${inputFile}\n`);

  const buffer = fs.readFileSync(inputFile);

  // Step 1: Analyze
  console.log('--- Analysis ---');
  const analysis = await analyzePrproj(buffer);
  console.log(`  Total media blocks: ${analysis.totalMediaBlocks}`);
  console.log(`  .gves references: ${analysis.gvesReferences}`);
  console.log(`  High-res references: ${analysis.hiresReferences}`);
  console.log(`  Mapped pairs: ${analysis.mappedPairs}`);
  console.log(`  Unmapped .gves: ${analysis.unmappedGves}`);
  console.log(`  High-res formats: ${analysis.hiresFormats.join(', ')}`);
  console.log('');

  console.log('--- Mappings ---');
  for (const m of analysis.mappings) {
    const gvesShort = m.gvesPath.split('\\').pop();
    const hiresShort = m.hiresPath.split('\\').pop();
    console.log(`  ${gvesShort}`);
    console.log(`    → ${hiresShort} (.${m.hiresExtension})`);
  }
  console.log('');

  // Step 2: Remap
  console.log('--- Remapping ---');
  const result = await remapPrproj(buffer);
  console.log(`  Swaps performed: ${result.report.swapsPerformed}`);
  for (const s of result.report.swaps) {
    console.log(`  ${s.oldPath.split('\\').pop()} → ${s.newPath.split('\\').pop()}`);
  }

  if (result.report.unmappedGves.length) {
    console.log(`\n  ⚠ Unmapped .gves files:`);
    for (const u of result.report.unmappedGves) {
      console.log(`    ${u.path}`);
    }
  }

  // Step 3: Write output for verification
  const outputFile = inputFile.replace('.prproj', '_remapped.prproj');
  fs.writeFileSync(outputFile, result.buffer);
  console.log(`\n--- Output ---`);
  console.log(`  Written to: ${outputFile}`);
  console.log(`  Size: ${(result.buffer.length / 1024).toFixed(1)} KB`);

  // Step 4: Verify by decompressing output and checking for remaining .gves refs
  const zlib = require('zlib');
  const outputXml = zlib.gunzipSync(result.buffer).toString('utf-8');
  const remainingGves = (outputXml.match(/\.gves/g) || []).length;
  const hiresRefs = (outputXml.match(/\\\\172\.18\.210\.5/g) || []).length;

  console.log(`\n--- Verification ---`);
  console.log(`  Remaining .gves references in output: ${remainingGves}`);
  console.log(`  High-res UNC path references in output: ${hiresRefs}`);

  if (remainingGves > 0) {
    // Check what still references .gves
    const gvesLines = outputXml.split('\n').filter(l => l.includes('.gves'));
    console.log(`\n  Remaining .gves lines (may be in Name tags only - expected):`);
    for (const line of gvesLines.slice(0, 5)) {
      console.log(`    ${line.trim()}`);
    }
  }

  console.log(`\n=== Done ===\n`);
}

main().catch(err => {
  console.error('Error:', err);
  process.exit(1);
});