/* ═══════════════════════════════════════════════════════════
   SOUL BLUEPRINT MATRIX - PERSONAL CLIENT PDF EXPORTER
   Module: src/js/pdf_exporter.js
═══════════════════════════════════════════════════════════ */


function exportClientPDF() {
  let name, dobStr;
  if (readingMode === 'single') {
    name = document.getElementById('i-name').value.trim() || 'Client';
    const day = document.getElementById('i-day').value;
    const mon = document.getElementById('i-mon').value;
    const yr = document.getElementById('i-yr').value;
    dobStr = `${String(day).padStart(2,'0')}.${String(mon).padStart(2,'0')}.${yr}`;
  } else {
    name = `${document.getElementById('i-name1').value.trim() || 'Partner 1'} & ${document.getElementById('i-name2').value.trim() || 'Partner 2'}`;
    dobStr = 'Compatibility Matrix';
  }

  const svgContent = document.getElementById('msv').outerHTML;
  
  const db = (typeof INTERP !== 'undefined') ? INTERP : (typeof database !== 'undefined' ? database : {});

  function getPositionReadingsHtml(posKey, numVal, allowPrograms) {
    if (!db || !db[posKey] || !numVal || numVal === '–') return '';
    let html = '';
    const posData = db[posKey];

    for (const modId in posData) {
      if (!allowPrograms && (modId === 'programs' || modId === 'compat_programs')) continue;
      const modData = posData[modId];

      for (const secKey in modData) {
        const textMap = modData[secKey];
        if (textMap && (textMap[numVal] || textMap[String(numVal)])) {
          const text = textMap[numVal] || textMap[String(numVal)];
          const secTitle = secKey.replace(/_/g, ' ').replace(/\b\w/g, c => c.toUpperCase());
          const modTitle = modId.replace(/_/g, ' ').replace(/\b\w/g, c => c.toUpperCase());
          html += `
            <div style="margin-top:10px; padding:12px 16px; background:#FAF5FF; border-left:4px solid #9F7AEA; border-radius:6px; page-break-inside:avoid;">
              <div style="font-size:11px; font-weight:700; color:#6B46C1; text-transform:uppercase; letter-spacing:0.06em; margin-bottom:4px;">${modTitle} — ${secTitle}</div>
              <div style="font-size:13px; color:#2D3748; line-height:1.65; white-space:pre-wrap;">${text}</div>
            </div>
          `;
        }
      }
    }
    return html;
  }

  const coordKeys = [
    { key:'A', label:'Point A (Visiting Card / Day)' },
    { key:'B', label:'Point B (Spiritual Talent / Month)' },
    { key:'C', label:'Point C (Material Task / Year)' },
    { key:'D', label:'Point D (Karmic Task / Social Purpose)' },
    { key:'E', label:'Point E (Soul Comfort Zone / Center)' },
    { key:'M_N_D', label:'Karmic Tail Program (M – N – D)' },
    { key:'L', label:'Point L (Central Balance Point)' },
    { key:'R2', label:'Point R2 (Profession / Financial Success)' },
    { key:'M', label:'Point M (Ideal Partner / Meeting Place)' },
    { key:'N', label:'Point N (Suitable Niche / Profession)' },
    { key:'O', label:'Point O (Material Emotional Closeness)' },
    { key:'P', label:'Point P (Spiritual Emotional Closeness)' },
    { key:'OP', label:'Point OP (Emotional Closeness Synthesis)' },
    { key:'EARTH', label:'Earth Line (Physical Purpose)' },
    { key:'SKY', label:'Sky Line (Spiritual Purpose)' },
    { key:'PERSONAL_PURPOSE', label:'1st Soul Purpose (Ages 20–40)' },
    { key:'PATERNAL_LINE', label:'Paternal Lines (Male Ancestry)' },
    { key:'MATERNAL_LINE', label:'Maternal Lines (Female Ancestry)' },
    { key:'SOCIAL_PURPOSE', label:'2nd Soul Purpose (Ages 40–60)' },
    { key:'SPIRITUAL_PURPOSE', label:'3rd Soul Purpose (Ages 60+)' },
    { key:'PLANETARY_MISSION', label:'4th Soul Purpose (Planetary Mission)' }
  ];

  let tableRows = '';
  let detailedReadingsHtml = '';

  coordKeys.forEach(item => {
    let val = '';
    let nameText = '';
    let themeText = '';

    if (item.key === 'M_N_D') {
      const mVal = currentVals.M ?? '–';
      const nVal = currentVals.N ?? '–';
      const dVal = currentVals.D ?? '–';
      val = `${mVal} – ${nVal} – ${dVal}`;
      nameText = 'Karmic Tail Program';
      themeText = 'Uncovering ancestral lessons, releasing karmic blocks';
    } else {
      val = currentVals[item.key] ?? '–';
      const pos = (typeof getPositionMeta === 'function') ? getPositionMeta(item.key) : (POSITIONS[item.key] || {});
      nameText = pos.name || item.key;
      themeText = pos.zone || 'Core energy coordinate';
    }

    tableRows += `
      <tr>
        <td style="padding:10px; border-bottom:1px solid #eee; font-weight:bold;">${item.label}</td>
        <td style="padding:10px; border-bottom:1px solid #eee; text-align:center; font-weight:bold; color:#7C3AED;">${val}</td>
        <td style="padding:10px; border-bottom:1px solid #eee;">${nameText}</td>
        <td style="padding:10px; border-bottom:1px solid #eee; font-style:italic;">${themeText}</td>
      </tr>
    `;

    // Generate detailed interpretation readings if text exists in database
    let readings;
    if (item.key === 'M_N_D') {
      // Karmic Tail stored as 'M-N-D' in CSV with compound number key like '15-20-5'
      const csvVal = `${currentVals.M ?? ''}-${currentVals.N ?? ''}-${currentVals.D ?? ''}`;
      readings = getPositionReadingsHtml('M-N-D', csvVal, true);
    } else {
      readings = getPositionReadingsHtml(item.key, val);
    }
    if (readings) {
      detailedReadingsHtml += `
        <div style="margin-top:24px; page-break-inside:avoid;">
          <h4 style="margin:0 0 6px; font-family:'Cinzel',serif; font-size:15px; color:#4A5568;">
            ${item.label} <span style="color:#7C3AED;">(Code ${val})</span>
          </h4>
          ${readings}
        </div>
      `;
    }
  });

  // Active 3-Number Programs
  const activeProgs = (typeof getActivePrograms === 'function') ? getActivePrograms() : [];
  let progHtml = '';
  if (activeProgs.length > 0) {
    progHtml = `
      <div class="page-break"></div>
      <h3>CHAPTER 3: ACTIVE COMBINATION PROGRAMS</h3>
      <p>Special 3-number energetic codes detected in your Destiny Matrix chart:</p>
      ${activeProgs.map(prog => `
        <div style="margin-bottom:20px; padding:16px 20px; background:#FFFBEB; border:1px solid #FCD34D; border-left:5px solid #D97706; border-radius:8px; page-break-inside:avoid;">
          <h4 style="margin:0 0 8px; color:#92400E; font-family:'Cinzel',serif; font-size:16px;">
            Program: ${prog.name} <span style="font-size:13px; font-weight:normal; color:#B45309;">(${prog.locationLabel || prog.positions} · Code: ${prog.code})</span>
          </h4>
          <div style="font-size:13.5px; color:#451A03; line-height:1.65; white-space:pre-wrap;">${prog.text}</div>
        </div>
      `).join('')}
    `;
  }

  const win = window.open('', '_blank');
  if (!win) {
    alert('Popup window was blocked by your browser. Please allow popups for this site to view and save your PDF report!');
    return;
  }
  win.document.write(`
    <!DOCTYPE html>
    <html>
    <head>
      <title>Destiny Matrix Report — ${name}</title>
      <link href="https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700&family=Georgia&display=swap" rel="stylesheet">
      <script src="https://cdnjs.cloudflare.com/ajax/libs/html2pdf.js/0.10.1/html2pdf.bundle.min.js"></script>
      <style>
        html, body {
          height: auto !important;
          min-height: 100vh !important;
          overflow-y: auto !important;
          overflow-x: hidden !important;
          margin: 0;
          padding: 30px;
          background: #FFFFFF;
          color: #2D3748;
          font-family: 'Georgia', serif;
          line-height: 1.6;
        }
        h1, h2, h3 { font-family: 'Cinzel', serif; color: #4A5568; }
        .header { text-align: center; border-bottom: 2px solid #E2E8F0; padding-bottom: 20px; margin-bottom: 30px; }
        .greeting { background: #FAF5FF; border-left: 4px solid #9F7AEA; padding: 20px; margin: 20px 0; font-style: italic; }
        .chart-box { text-align: center; margin: 30px 0; }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
        th { background: #EDF2F7; padding: 12px; text-align: left; font-family: sans-serif; text-transform: uppercase; font-size: 11px; letter-spacing: 0.05em; }
        .page-break { page-break-before: always; }
        @media print {
          body { padding: 0; }
          .no-print { display: none !important; }
        }
      </style>
    </head>
    <body>
      <div class="no-print" style="display:flex; gap:12px; margin-bottom:24px; align-items:center;">
        <button onclick="downloadDirectPDF()" style="padding:10px 22px; background:linear-gradient(135deg, #10B981 0%, #047857 100%); color:#FFFFFF; border:none; border-radius:8px; cursor:pointer; font-weight:700; font-family:sans-serif; letter-spacing:0.06em; box-shadow:0 4px 14px rgba(16,185,129,0.35);">⬇ Download PDF File</button>
        <button onclick="window.print()" style="padding:10px 22px; background:linear-gradient(135deg, #D4AF6E 0%, #A07830 100%); color:#06031C; border:none; border-radius:8px; cursor:pointer; font-weight:700; font-family:sans-serif; letter-spacing:0.06em; box-shadow:0 4px 14px rgba(212,175,110,0.35);">🖨️ Print / Save Dialog</button>
      </div>

      <div class="header">
        <h1>THE MATRIX OF DESTINY</h1>
        <h2>Your Personal Soul Book & Life Guide</h2>
        <p>FULL DESTINY MATRIX CHART ANALYSIS: <strong>${name}</strong> (${dobStr})</p>
      </div>

      <div class="greeting">
        <strong>Dear ${name}!</strong><br>
        Welcome to the opening of your personal Destiny Matrix Chart! This document is your soul's digital blueprint and master life guide, calculated strictly from the energetic frequency of your date of birth (${dobStr}). In this report, every chapter is dedicated to your personal growth, inner peace, emotional healing, and spiritual abundance. Use this book as a manual whenever you need to make important life decisions, regain inner tranquility, or unlock a new level of your potential!
      </div>

      <div class="chart-box">
        <h3>CHAPTER 1: MATRIX SUMMARY DIAGRAM</h3>
        <div style="max-width: 600px; margin: 0 auto;">${svgContent}</div>
      </div>

      <div class="page-break"></div>

      <h3>CHAPTER 2: MATRIX SUMMARY DIAGRAM & CORE CODES</h3>
      <p>Below is the complete calculation of your primary coordinates and key codes within the Destiny Matrix system:</p>

      <table>
        <thead>
          <tr>
            <th>Matrix Coordinate</th>
            <th>Code / Energy Arcana</th>
            <th>English Arcana Name</th>
            <th>Key Life Theme</th>
          </tr>
        </thead>
        <tbody>
          ${tableRows}
        </tbody>
      </table>

      ${detailedReadingsHtml ? `
        <div style="margin-top:30px;">
          <h3 style="border-bottom:2px solid #E2E8F0; padding-bottom:8px; margin-bottom:16px;">DETAILED POSITION READINGS</h3>
          ${detailedReadingsHtml}
        </div>
      ` : ''}

      ${progHtml}

      <div class="page-break"></div>
      <h3>CHAPTER 4: 7-CHAKRA HEALTH MATRIX ANALYSIS</h3>
      <p>Your complete health map from Sahasrara to Muladhara, detailing physical, energy, and emotional levels.</p>

      <table>
        <thead>
          <tr><th>Chakra</th><th>Physical Level</th><th>Energy Level</th><th>Emotional Level</th></tr>
        </thead>
        <tbody>
          ${currentVals.derived?.chakras?.map((c, i) => `
            <tr>
              <td style="padding:8px; border-bottom:1px solid #eee; font-weight:bold;">${c.name} (${c.zone})</td>
              <td style="padding:8px; border-bottom:1px solid #eee; text-align:center;">${c.physical}</td>
              <td style="padding:8px; border-bottom:1px solid #eee; text-align:center;">${c.energy}</td>
              <td style="padding:8px; border-bottom:1px solid #eee; text-align:center; font-weight:bold; color:#7C3AED;">${c.emotional}</td>
            </tr>
          `).join('') || ''}
        </tbody>
      </table>

      ${(() => {
        let ckHtml = '';
        for (let i = 7; i >= 1; i--) {
          const key = `CK_${i}`;
          const val = currentVals[key] || '–';
          const readings = getPositionReadingsHtml(key, val);
          if (readings) {
            const pos = POSITIONS[key] || {};
            ckHtml += `
              <div style="margin-top:20px; page-break-inside:avoid;">
                <h4 style="margin:0 0 6px; font-family:'Cinzel',serif; font-size:15px; color:#4A5568;">
                  ${pos.name || key} <span style="color:#7C3AED;">(Code ${val})</span>
                </h4>
                ${readings}
              </div>
            `;
          }
        }
        return ckHtml ? `<div style="margin-top:30px;"><h3 style="border-bottom:2px solid #E2E8F0; padding-bottom:8px; margin-bottom:16px;">DETAILED CHAKRA READINGS</h3>${ckHtml}</div>` : '';
      })()}

      <script>
        function downloadDirectPDF() {
          const opt = {
            margin:       [10, 10, 10, 10],
            filename:     '${name.replace(/[^a-z0-9]/gi, '_')}_Soul_Blueprint_Matrix.pdf',
            image:        { type: 'jpeg', quality: 0.98 },
            html2canvas:  { scale: 2, useCORS: true },
            jsPDF:        { unit: 'mm', format: 'a4', orientation: 'portrait' }
          };
          const element = document.body.cloneNode(true);
          const noPrints = element.querySelectorAll('.no-print');
          noPrints.forEach(function(el) { el.remove(); });
          if (typeof html2pdf !== 'undefined') {
            html2pdf().set(opt).from(element).save();
          } else {
            window.print();
          }
        }

        window.addEventListener('load', function() {
          setTimeout(function() { window.print(); }, 400);
        });
      </script>
    </body>
    </html>
  `);
  win.document.close();
}