const fs = require('fs');
const {
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  TextRun,
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  AlignmentType,
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  WidthType,
  Table,
  TableRow,
  TableCell,
  BorderStyle,
} = require('docx');

const doc = new Document({
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    {
      properties: {
        page: {
          size: { width: 12240, height: 15840 },
          margin: { top: 1200, right: 1200, bottom: 1200, left: 1200 },
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      children: [
        new Paragraph({
          heading: HeadingLevel.HEADING_1,
          alignment: AlignmentType.CENTER,
          children: [new TextRun('Patient Information Leaflet: Hypertension')],
        }),
        new Paragraph({
          alignment: AlignmentType.CENTER,
          spacing: { after: 220 },
          children: [
            new TextRun({
              text: 'For general adult patients | Language: lay + clinical',
              italics: true,
              size: 20,
            }),
          ],
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        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('1) What is hypertension?')],
        }),
        new Paragraph({
          children: [
            new TextRun('Hypertension means blood pressure that stays higher than normal over time. Blood pressure is measured as systolic/diastolic (for example, 130/80 mm Hg).'),
          ],
        }),
        new Paragraph({ text: 'Common categories used in clinics:', spacing: { after: 60 } }),
        new Paragraph({
          text: 'Elevated BP: systolic 120–129 and diastolic below 80 mm Hg',
          numbering: { reference: 'bullet-list', level: 0 },
        }),
        new Paragraph({
          text: 'Stage 1 hypertension: systolic 130–139 or diastolic 80–89 mm Hg',
          numbering: { reference: 'bullet-list', level: 0 },
        }),
        new Paragraph({
          text: 'Stage 2 hypertension: systolic 140 or higher, or diastolic 90 or higher',
          numbering: { reference: 'bullet-list', level: 0 },
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        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('2) Why does hypertension matter?')],
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        new Paragraph({ text: 'Over time, uncontrolled high blood pressure can damage blood vessels and organs.' }),
        new Paragraph({ text: 'Possible complications include:', spacing: { after: 40 } }),
        new Paragraph({ text: 'Heart attack and heart failure', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Stroke', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Kidney damage/failure', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Peripheral vascular disease and aortic disease', numbering: { reference: 'bullet-list', level: 0 } }),

        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('3) Risk factors')],
        }),
        new Paragraph({ text: 'Some factors cannot be changed, and others can be improved.' }),
        new Paragraph({ text: 'Non-modifiable:', spacing: { after: 40 } }),
        new Paragraph({ text: 'Increasing age', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Family history/genetic tendency', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Modifiable:', spacing: { before: 80, after: 40 } }),
        new Paragraph({ text: 'Excess body weight/obesity', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'High salt intake and unhealthy diet', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Physical inactivity', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Heavy alcohol use and smoking', numbering: { reference: 'bullet-list', level: 0 } }),

        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('4) Symptoms and warning signs')],
        }),
        new Paragraph({
          text: 'Many people have no symptoms, so hypertension is often called a “silent” condition. Regular checks are important.',
        }),
        new Paragraph({
          text: 'Seek urgent care if blood pressure is very high (around 180/120 mm Hg or above) with symptoms such as severe headache, chest pain, breathlessness, confusion, weakness, or vision changes.',
        }),

        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('5) How is it diagnosed?')],
        }),
        new Paragraph({
          text: 'Diagnosis should be based on repeated measurements over time, not a single reading, because blood pressure changes during the day.',
        }),
        new Paragraph({ text: 'Your clinician may recommend:', spacing: { after: 40 } }),
        new Paragraph({ text: 'Home blood pressure monitoring', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Ambulatory blood pressure monitoring (24-hour monitor)', numbering: { reference: 'bullet-list', level: 0 } }),

        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('6) Treatment')],
        }),
        new Paragraph({
          text: 'Treatment aims to lower risk of heart, brain, and kidney complications. Most adults are treated to a target below 130/80 mm Hg, based on individual risk and tolerance.',
        }),
        new Paragraph({ text: 'A) Lifestyle treatment (first step for everyone):', spacing: { after: 40 } }),

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              children: [
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                new TableCell({ children: [new Paragraph({ children: [new TextRun({ text: 'What to do', bold: true })] })], width: { size: 4700, type: WidthType.DXA } }),
                new TableCell({ children: [new Paragraph({ children: [new TextRun({ text: 'Typical SBP effect', bold: true })] })], width: { size: 2140, type: WidthType.DXA } }),
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            new TableRow({ children: [new TableCell({ children: [new Paragraph('Weight reduction')] }), new TableCell({ children: [new Paragraph('Aim for BMI about 18.5–24.9; even moderate weight loss helps')] }), new TableCell({ children: [new Paragraph('5–20 mm Hg per 10 kg')] })] }),
            new TableRow({ children: [new TableCell({ children: [new Paragraph('DASH eating plan')] }), new TableCell({ children: [new Paragraph('More fruits, vegetables, low-fat dairy; less saturated fat')] }), new TableCell({ children: [new Paragraph('8–14 mm Hg')] })] }),
            new TableRow({ children: [new TableCell({ children: [new Paragraph('Reduce sodium')] }), new TableCell({ children: [new Paragraph('Around 2.3 g sodium/day (about 6 g salt) or lower')] }), new TableCell({ children: [new Paragraph('2–8 mm Hg')] })] }),
            new TableRow({ children: [new TableCell({ children: [new Paragraph('Regular exercise')] }), new TableCell({ children: [new Paragraph('At least 30 min brisk activity on most days')] }), new TableCell({ children: [new Paragraph('About 4–8 mm Hg')] })] }),
            new TableRow({ children: [new TableCell({ children: [new Paragraph('Limit alcohol')] }), new TableCell({ children: [new Paragraph('Men: up to 2 drinks/day; Women: up to 1 drink/day')] }), new TableCell({ children: [new Paragraph('2–4 mm Hg')] })] }),
          ],
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        new Paragraph({ text: 'B) Medicines (if lifestyle changes are not enough):', spacing: { before: 140, after: 40 } }),
        new Paragraph({ text: 'Common first-line medicine groups include thiazide diuretics, ACE inhibitors, ARBs, and calcium channel blockers.', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Some patients need two medicines, especially when BP is much higher than target.', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Take medicines daily as prescribed. Do not stop without discussing with your clinician.', numbering: { reference: 'bullet-list', level: 0 } }),

        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('7) Self-care and follow-up')],
        }),
        new Paragraph({ text: 'Check your blood pressure at home (if advised) and keep a log.' }),
        new Paragraph({ text: 'Attend regular follow-up to adjust treatment and check kidney function, electrolytes, and overall cardiovascular risk.' }),
        new Paragraph({ text: 'Bring your medication list to every visit.' }),

        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('8) When to seek immediate help')],
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        new Paragraph({ text: 'Call emergency services if you have very high blood pressure with any of the following:' }),
        new Paragraph({ text: 'Chest pain', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Severe shortness of breath', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Severe headache, confusion, fainting, or seizures', numbering: { reference: 'bullet-list', level: 0 } }),
        new Paragraph({ text: 'Sudden weakness/numbness, trouble speaking, or vision loss', numbering: { reference: 'bullet-list', level: 0 } }),

        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('Disclaimer')],
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          children: [new TextRun({ text: 'This leaflet provides general information and does not replace medical advice. Please discuss your individual care plan with your doctor.', italics: true })],
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        new Paragraph({
          heading: HeadingLevel.HEADING_2,
          children: [new TextRun('Sources')],
        }),
        new Paragraph({ text: 'Comprehensive Clinical Nephrology, 7th Edition, p. 501' }),
        new Paragraph({ text: 'Morgan and Mikhail’s Clinical Anesthesiology, 7e, p. 713' }),
        new Paragraph({ text: 'National Kidneys Foundation Primer on Kidney Diseases, 8e, p. 689-690' }),
        new Paragraph({ text: 'Lippincott Illustrated Reviews: Pharmacology, p. 293-294' }),
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Packer.toBuffer(doc).then((buffer) => {
  fs.writeFileSync('/home/daytona/workspace/hypertension-leaflet/Hypertension_Patient_Information_Leaflet.docx', buffer);
  console.log('DOCX created');
});