#!/usr/bin/env ts-node
/**
 * Generate PDF Business Cards and convert to CMYK
 */

import * as fs from 'fs';
import * as path from 'path';
import * as React from 'react';
import { renderToBuffer } from '@react-pdf/renderer';
import { execSync } from 'child_process';
import { PDFBusinessCard, PersonData } from '../lib/pdf-business-card';

const CONFIG = {
  outputDir: path.join(process.cwd(), 'public/downloads/business-cards'),
};

const PEOPLE: PersonData[] = [
  {
    name: 'Michael Bodemer',
    position: 'Owner & Managing Director',
    phone: '+49 151 462 467 98',
    email: 'michael.bodemer@klz-cables.com',
    website: 'www.klz-cables.com',
  },
  {
    name: 'Klaus Mintel',
    position: 'Managing Director',
    phone: '+49 151 1775 2873',
    email: 'klaus.mintel@klz-cables.com',
    website: 'www.klz-cables.com',
  },
];

async function ensureOutputDir() {
  if (!fs.existsSync(CONFIG.outputDir)) {
    fs.mkdirSync(CONFIG.outputDir, { recursive: true });
  }
}

/**
 * Konvertiert ein RGB PDF zu CMYK via Ghostscript.
 */
function convertToCMYK(inputPath: string, outputPath: string) {
  console.log(`- Converting to CMYK via Ghostscript...`);
  try {
    // Basic CMYK conversion via Ghostscript.
    // -dSAFER -dBATCH -dNOPAUSE
    // -sDEVICE=pdfwrite
    // -sColorConversionStrategy=CMYK
    // -dProcessColorModel=/DeviceCMYK
    const gsCommand = `gs -dSAFER -dBATCH -dNOPAUSE -dNOCACHE -sDEVICE=pdfwrite -sColorConversionStrategy=CMYK -dProcessColorModel=/DeviceCMYK -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode -sOutputFile="${outputPath}" "${inputPath}"`;

    execSync(gsCommand, { stdio: 'pipe' });
    console.log(`✓ CMYK Print File generated: ${path.basename(outputPath)}`);
  } catch (err: any) {
    console.error(`❌ Ghostscript CMYK conversion failed! Is ghostscript (gs) installed?`);
    console.error(err.message);
  }
}

async function generateBusinessCards() {
  await ensureOutputDir();

  for (const person of PEOPLE) {
    console.log(`\nGenerating Business Card for: ${person.name}`);

    const safeName = person.name.replace(/\s+/g, '_');
    const rgbFileName = `KLZ_BusinessCard_${safeName}_RGB.pdf`;
    const cmykFileName = `KLZ_BusinessCard_${safeName}_CMYK_Print.pdf`;

    const rgbPath = path.join(CONFIG.outputDir, rgbFileName);
    const cmykPath = path.join(CONFIG.outputDir, cmykFileName);

    console.log(`- Rendering React-PDF layout...`);
    const buffer = await renderToBuffer(
      React.createElement(PDFBusinessCard, {
        person,
      }),
    );

    fs.writeFileSync(rgbPath, buffer);
    console.log(`✓ RGB Master generated: ${rgbFileName}`);

    convertToCMYK(rgbPath, cmykPath);
  }
}

async function main() {
  console.log('--- KLZ Business Card Generator ---');
  const start = Date.now();

  try {
    await generateBusinessCards();
    console.log(`\n✅ Finished in ${((Date.now() - start) / 1000).toFixed(2)}s`);
  } catch (error) {
    console.error('\\n❌ Fatal error:', error);
    process.exit(1);
  }
}

main().catch(console.error);