import assert from 'node:assert/strict';
import { createWriteStream, existsSync, readFileSync } from 'node:fs';
import { mkdir } from 'node:fs/promises';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import PDFDocument from 'pdfkit';
import { setupFonts } from '../src/lib/fonts.ts';
import { renderTextWithEmoji } from '../src/lib/pdf-helpers.ts';
const testOutputDir = join(tmpdir(), 'mcp-pdf-layout-tests');
describe('Layout Options for create-pdf', () => {
it('renders text with custom alignment', async () => {
await mkdir(testOutputDir, { recursive: true });
const outputPath = join(testOutputDir, 'alignment-test.pdf');
const doc = new PDFDocument();
const stream = createWriteStream(outputPath);
doc.pipe(stream);
const fonts = await setupFonts(doc);
const { regular: regularFont } = fonts;
renderTextWithEmoji(doc, 'Left aligned (default)', 12, regularFont, false);
renderTextWithEmoji(doc, 'Center aligned', 12, regularFont, false, { align: 'center' });
renderTextWithEmoji(doc, 'Right aligned', 12, regularFont, false, { align: 'right' });
doc.end();
await new Promise<void>((resolve, reject) => {
stream.on('finish', () => resolve());
stream.on('error', reject);
});
assert.ok(existsSync(outputPath), 'PDF with alignment should be created');
const stats = readFileSync(outputPath);
assert.ok(stats.length > 0, 'PDF should have content');
console.log(` 📄 Created: ${outputPath} (${stats.length} bytes)`);
});
it('renders text with custom spacing (moveDown)', async () => {
await mkdir(testOutputDir, { recursive: true });
const outputPath = join(testOutputDir, 'spacing-test.pdf');
const doc = new PDFDocument();
const stream = createWriteStream(outputPath);
doc.pipe(stream);
const fonts = await setupFonts(doc);
const { regular: regularFont } = fonts;
renderTextWithEmoji(doc, 'Line 1', 12, regularFont, false);
doc.moveDown(0.5);
renderTextWithEmoji(doc, 'Line 2 (0.5 spacing)', 12, regularFont, false);
doc.moveDown(2);
renderTextWithEmoji(doc, 'Line 3 (2.0 spacing)', 12, regularFont, false);
doc.end();
await new Promise<void>((resolve, reject) => {
stream.on('finish', () => resolve());
stream.on('error', reject);
});
assert.ok(existsSync(outputPath), 'PDF with spacing should be created');
const stats = readFileSync(outputPath);
assert.ok(stats.length > 0, 'PDF should have content');
console.log(` 📄 Created: ${outputPath} (${stats.length} bytes)`);
});
it('renders text with underline and strike', async () => {
await mkdir(testOutputDir, { recursive: true });
const outputPath = join(testOutputDir, 'styling-test.pdf');
const doc = new PDFDocument();
const stream = createWriteStream(outputPath);
doc.pipe(stream);
const fonts = await setupFonts(doc);
const { regular: regularFont } = fonts;
renderTextWithEmoji(doc, 'Normal text', 12, regularFont, false);
renderTextWithEmoji(doc, 'Underlined text', 12, regularFont, false, { underline: true });
renderTextWithEmoji(doc, 'Strikethrough text', 12, regularFont, false, { strike: true });
doc.end();
await new Promise<void>((resolve, reject) => {
stream.on('finish', () => resolve());
stream.on('error', reject);
});
assert.ok(existsSync(outputPath), 'PDF with text styling should be created');
const stats = readFileSync(outputPath);
assert.ok(stats.length > 0, 'PDF should have content');
console.log(` 📄 Created: ${outputPath} (${stats.length} bytes)`);
});
it('renders text with indentation', async () => {
await mkdir(testOutputDir, { recursive: true });
const outputPath = join(testOutputDir, 'indent-test.pdf');
const doc = new PDFDocument();
const stream = createWriteStream(outputPath);
doc.pipe(stream);
const fonts = await setupFonts(doc);
const { regular: regularFont } = fonts;
renderTextWithEmoji(doc, 'No indent', 12, regularFont, false);
renderTextWithEmoji(doc, 'Indent 20', 12, regularFont, false, { indent: 20 });
renderTextWithEmoji(doc, 'Indent 40', 12, regularFont, false, { indent: 40 });
doc.end();
await new Promise<void>((resolve, reject) => {
stream.on('finish', () => resolve());
stream.on('error', reject);
});
assert.ok(existsSync(outputPath), 'PDF with indentation should be created');
const stats = readFileSync(outputPath);
assert.ok(stats.length > 0, 'PDF should have content');
console.log(` 📄 Created: ${outputPath} (${stats.length} bytes)`);
});
});
it('print test output directory', () => {
console.log(`\n📁 Layout test PDFs generated in: ${testOutputDir}`);
console.log(' Open these files to visually verify layout options\n');
});
