#!/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';
import QRCode from 'qrcode';

const CONFIG = {
  outputDir: path.join(process.cwd(), 'public/downloads/business-cards'),
  logoWhite: path.join(process.cwd(), 'public/logo-white.png'),
  logoBlue: path.join(process.cwd(), 'public/logo-blue.png'),
  logoFull: path.join(process.cwd(), 'public/logo-full.png'),
  truckImage: path.join(process.cwd(), 'public/truck.png'),
  fontRegular: path.join(process.cwd(), 'public/fonts/Inter-Regular.ttf'),
  fontBold: path.join(process.cwd(), 'public/fonts/Inter-Bold.ttf'),
  ghostscriptScript:
    '/Users/marcmintel/.gemini/config/plugins/mintel-ui-standards-plugin/skills/mintel-print-workflow/scripts/convert-cmyk.sh',
};

const PEOPLE: PersonData[] = [
  {
    name: 'Michael Bodemer',
    role: 'Owner & Managing Director',
    phone: '+49 151 462 467 98',
    email: 'michael.bodemer@klz-cables.com',
  },
  {
    name: 'Klaus Mintel',
    role: 'Managing Director',
    phone: '+49 151 1775 2873',
    email: 'klaus.mintel@klz-cables.com',
  },
  {
    name: 'Johannes Gleich',
    role: 'Senior Key Account Manager',
    phone: '+49 172 739 1109',
    email: 'johannes.gleich@klz-cables.com',
  },
];

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

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

    const lastName = person.name.split(' ').slice(1).join(' ');
    const firstName = person.name.split(' ')[0];

    // To make the QR code extremely coarse (minimalist), we cannot encode all contact details into it directly.
    // Instead, we create a physical .vcf file and encode ONLY its URL into the QR Code (e.g. 35 chars vs 140 chars).
    const shortId = person.name.toLowerCase().replace(/[^a-z0-9]/g, ''); // "michaelbodemer"
    const vcfUrl = `https://klz-cables.com/v/${shortId}.vcf`;

    const vcardFull = `BEGIN:VCARD\r\nVERSION:3.0\r\nN:${lastName};${firstName};;;\r\nFN:${person.name}\r\nORG:KLZ Vertriebs GmbH\r\nTITLE:${person.role}\r\nTEL;TYPE=WORK,VOICE:${person.phone}\r\nEMAIL;TYPE=PREF,INTERNET:${person.email}\r\nURL:https://klz-cables.com\r\nEND:VCARD`;

    // Save the physical .vcf file so it can be served by Next.js from /public/v/
    const vcardDir = path.join(process.cwd(), 'public/v');
    if (!fs.existsSync(vcardDir)) fs.mkdirSync(vcardDir, { recursive: true });
    fs.writeFileSync(path.join(vcardDir, `${shortId}.vcf`), vcardFull);

    const qrCodeDataUrl = await QRCode.toDataURL(vcfUrl, {
      width: 400,
      margin: 0,
      errorCorrectionLevel: 'L', // Low error correction = less dots
      color: { dark: '#000000', light: '#ffffff' },
    });

    const safeName = person.name.replace(/\s+/g, '_');

    // 1. STANDARD DIGITAL PDF (RGB, no letterpress mask)
    console.log(`- Rendering standard digital PDF (RGB ONLY, Blue Variant)...`);
    const finalFileName = `KLZ_Visitenkarte_${safeName}.pdf`;
    const tempFileName = `temp_${finalFileName}`;
    const finalPath = path.join(CONFIG.outputDir, finalFileName);
    const tempPath = path.join(CONFIG.outputDir, tempFileName);

    let buffer = await renderToBuffer(
      React.createElement(PDFBusinessCard, {
        person,
        qrCodeDataUrl,
        variant: 'blue',
        isViaprinto: false,
      }),
    );
    fs.writeFileSync(tempPath, buffer);

    // Convert fonts to outlines via ghostscript
    const gsCommand = `gs -dNoOutputFonts -sDEVICE=pdfwrite -o "${finalPath}" "${tempPath}"`;
    execSync(gsCommand, { stdio: 'inherit' });
    // fs.unlinkSync(tempPath);
    console.log(`✓ Final Print File generated (Fonts to Paths, RGB preserved): ${finalFileName}`);

    // 2. VIAPRINTO PDF (Letterpress mask, CMYK)
    console.log(`- Rendering Viaprinto PDF (Letterpress mask)...`);
    const tempViaprintoPath = path.join(CONFIG.outputDir, `temp_viaprinto_${safeName}.pdf`);
    buffer = await renderToBuffer(
      React.createElement(PDFBusinessCard, {
        person,
        qrCodeDataUrl,
        variant: 'blue',
        isViaprinto: true,
      }),
    );
    fs.writeFileSync(tempViaprintoPath, buffer);

    // Convert to CMYK for Viaprinto
    const finalFileNameCMYK = `KLZ_Visitenkarte_${safeName}_Viaprinto_CMYK_91x61mm_3mmBleed.pdf`;
    const finalPathCMYK = path.join(CONFIG.outputDir, finalFileNameCMYK);

    console.log(`- Converting to CMYK for Viaprinto...`);
    const cmykCommand = `bash "${CONFIG.ghostscriptScript}" "${tempViaprintoPath}" "${finalPathCMYK}"`;
    try {
      execSync(cmykCommand, { stdio: 'inherit' });
      fs.unlinkSync(tempViaprintoPath);
      console.log(`✓ CMYK Print File generated: ${finalFileNameCMYK}`);
    } catch (e) {
      console.error(`❌ CMYK conversion failed! Is Ghostscript installed?`);
    }

    // 3. NO TRUCK PDF (RGB)
    console.log(`- Rendering No Truck Variant (RGB)...`);
    const noTruckFileName = `KLZ_Visitenkarte_${safeName}_NoTruck.pdf`;
    const tempNoTruckPath = path.join(CONFIG.outputDir, `temp_${noTruckFileName}`);
    const finalNoTruckPath = path.join(CONFIG.outputDir, noTruckFileName);

    buffer = await renderToBuffer(
      React.createElement(PDFBusinessCard, {
        person,
        qrCodeDataUrl,
        variant: 'blue',
        isViaprinto: false,
        withTruck: false,
      }),
    );
    fs.writeFileSync(tempNoTruckPath, buffer);
    const gsNoTruckCommand = `gs -dNoOutputFonts -sDEVICE=pdfwrite -o "${finalNoTruckPath}" "${tempNoTruckPath}"`;
    execSync(gsNoTruckCommand, { stdio: 'inherit' });
    fs.unlinkSync(tempNoTruckPath);
    // 4. CROP MARKS PDF (RGB)
    console.log(`- Rendering Crop Marks Variant (RGB)...`);
    const cropMarksFileName = `KLZ_Visitenkarte_${safeName}_CropMarks.pdf`;
    const tempCropMarksPath = path.join(CONFIG.outputDir, `temp_${cropMarksFileName}`);
    const finalCropMarksPath = path.join(CONFIG.outputDir, cropMarksFileName);

    buffer = await renderToBuffer(
      React.createElement(PDFBusinessCard, {
        person,
        qrCodeDataUrl,
        variant: 'blue',
        isViaprinto: false,
        withCropMarks: true,
      }),
    );
    fs.writeFileSync(tempCropMarksPath, buffer);
    const gsCropMarksCommand = `gs -dNoOutputFonts -sDEVICE=pdfwrite -o "${finalCropMarksPath}" "${tempCropMarksPath}"`;
    execSync(gsCropMarksCommand, { stdio: 'inherit' });
    fs.unlinkSync(tempCropMarksPath);
    console.log(`✓ Crop Marks Print File generated: ${cropMarksFileName}`);
  }
}

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);