import { PDF } from "@libpdf/core";

const pdf = PDF.create();

const page = pdf.addPage();

import { PDF } from "@libpdf/core";

const pdf = PDF.create();

// Using predefined sizes
const a4Page = pdf.addPage({ size: "a4" });
const legalPage = pdf.addPage({ size: "legal" });

// Custom size in points (1 inch = 72 points)
const customPage = pdf.addPage({ 
  width: 400, 
  height: 600,
});

const landscape = pdf.addPage({
  size: "letter",
  orientation: "landscape",
});

page.drawText("Hello, World!", {
  x: 50,
  y: 700,
  size: 24,
});

import { rgb } from "@libpdf/core";

page.drawText("Styled Text", {
  x: 50,
  y: 650,
  size: 16,
  color: rgb(0.2, 0.4, 0.8),  // Blue
  lineHeight: 1.5,
  maxWidth: 200,              // Word wrap
});

import { readFile } from "fs/promises";

// Embed a TTF or OTF font
const fontBytes = await readFile("fonts/OpenSans-Regular.ttf");
const font = pdf.embedFont(fontBytes);

page.drawText("Custom Font", {
  x: 50,
  y: 600,
  size: 14,
  font,
});

import { rgb } from "@libpdf/core";

page.drawRectangle({
  x: 50,
  y: 500,
  width: 200,
  height: 100,
  color: rgb(0.9, 0.9, 0.9),      // Fill color
  borderColor: rgb(0, 0, 0),      // Stroke color
  borderWidth: 1,
});

page.drawCircle({
  x: 150,   // Center X
  y: 400,   // Center Y
  radius: 50,
  color: rgb(1, 0.8, 0.8),
  borderColor: rgb(0.8, 0, 0),
  borderWidth: 2,
});

page.drawLine({
  start: { x: 50, y: 300 },
  end: { x: 250, y: 350 },
  color: rgb(0, 0, 0),
  thickness: 1,
});

const jpegBytes = await readFile("photo.jpg");
const image = await pdf.embedJpeg(jpegBytes);

page.drawImage(image, {
  x: 50,
  y: 100,
  width: 200,
  height: 150,
});

const pngBytes = await readFile("logo.png");
const image = await pdf.embedPng(pngBytes);

page.drawImage(image, {
  x: 300,
  y: 100,
  width: 100,
  height: 100,
});

// Scale to fit within bounds while preserving aspect ratio
page.drawImage(image, {
  x: 50,
  y: 100,
  width: 200,
  // height is calculated automatically
});

pdf.setTitle("My Document");
pdf.setAuthor("John Doe");
pdf.setSubject("Example PDF");
pdf.setKeywords(["example", "tutorial"]);
pdf.setCreator("My App");

const bytes = await pdf.save();

import { writeFile } from "fs/promises";

const bytes = await pdf.save();
await writeFile("output.pdf", bytes);

const bytes = await pdf.save();
const blob = new Blob([bytes], { type: "application/pdf" });
const url = URL.createObjectURL(blob);

const link = document.createElement("a");
link.href = url;
link.download = "document.pdf";
link.click();

URL.revokeObjectURL(url);

import { readFile, writeFile } from "fs/promises";
import { PDF, rgb } from "@libpdf/core";

// Create document
const pdf = PDF.create();
pdf.setTitle("Invoice #1234");

// Add page
const page = pdf.addPage({ size: "a4" });

// Header
page.drawText("INVOICE", {
  x: 50,
  y: 780,
  size: 32,
  color: rgb(0.2, 0.2, 0.2),
});

page.drawText("Invoice #1234", {
  x: 50,
  y: 740,
  size: 14,
});

// Line separator
page.drawLine({
  start: { x: 50, y: 720 },
  end: { x: 545, y: 720 },
  color: rgb(0.8, 0.8, 0.8),
  thickness: 1,
});

// Content
page.drawText("Description: Professional Services", {
  x: 50,
  y: 680,
  size: 12,
});

page.drawText("Amount: $1,500.00", {
  x: 50,
  y: 660,
  size: 12,
});

// Save
const bytes = await pdf.save();
await writeFile("invoice.pdf", bytes);

console.log("Created invoice.pdf");