/*
  generate-cv.ts
  spboucher.ai Web
  Author: Simon-Pierre Boucher
  Mail: contact@spboucher.ai
*/

/**
 * Regenerates the two "Software" sections of cv-source/cv.html from
 * lib/apps.ts (the single source of truth for apps and projects), then
 * renders public/cv/Simon-Pierre-Boucher-CV.pdf with chrome-headless-shell.
 *
 * Run with:  npm run cv        (requires Node >= 23 for native TS imports)
 *
 * Adding a project to lib/apps.ts and re-running this script is all it
 * takes to keep the CV PDF in sync — no manual HTML edits.
 */

import { execFileSync } from "node:child_process";
import { globSync, readFileSync, writeFileSync } from "node:fs";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";

import {
  iosApps,
  openSourceProjects,
  zyquoApps,
  type OpenSourceProject,
  type ZyquoApp,
} from "../lib/apps.ts";

const ROOT = join(dirname(fileURLToPath(import.meta.url)), "..");
const CV_HTML = join(ROOT, "cv-source", "cv.html");
const CV_PDF = join(ROOT, "public", "cv", "Simon-Pierre-Boucher-CV.pdf");

const MAX_TAG_CHARS = 110;

function escapeHtml(s: string): string {
  return s
    .replace(/&/g, "&")
    .replace(/</g, "&lt;")
    .replace(/>/g, "&gt;");
}

/** Compress a project description into a short CV tag line. */
function tagFor(description: string): string {
  let text = description.replace(/\s+/g, " ").trim();
  // Prefer the first sentence when it fits.
  const firstSentence = text.match(/^(.+?[.!?])(\s|$)/)?.[1];
  if (firstSentence && firstSentence.length <= MAX_TAG_CHARS) {
    text = firstSentence;
  }
  if (text.length > MAX_TAG_CHARS) {
    text = text.slice(0, MAX_TAG_CHARS);
    text = text.slice(0, text.lastIndexOf(" ")) + "…";
  }
  text = text.replace(/[.…]+$/, (m) => (m === "…" ? "…" : ""));
  // Match the CV's lowercase tag style, but keep acronyms (AI, LLM…) intact.
  if (/^[A-Z][a-z]/.test(text) || /^(A|An) /.test(text))
    text = text[0].toLowerCase() + text.slice(1);
  return text;
}

function urlFor(p: { demo?: string; repo: string }): string {
  return (p.demo ?? p.repo).replace(/^https?:\/\//, "").replace(/\/$/, "");
}

function appLine(name: string, tag: string, url: string): string {
  return `    <div class="app"><p class="name">${escapeHtml(name)} <span class="tag">— ${escapeHtml(tag)}</span></p><p class="url">${escapeHtml(url)}</p></div>`;
}

function renderSection(
  entries: { name: string; description: string; demo?: string; repo: string }[],
): string {
  const lines = entries.map((e) =>
    appLine(e.name, tagFor(e.description), urlFor(e)),
  );
  return `  <div class="apps">\n${lines.join("\n")}\n  </div>`;
}

function replaceBetween(
  html: string,
  beginMarker: string,
  endMarker: string,
  content: string,
): string {
  const begin = html.indexOf(beginMarker);
  const end = html.indexOf(endMarker);
  if (begin === -1 || end === -1 || end < begin) {
    throw new Error(`CV markers not found: ${beginMarker} / ${endMarker}`);
  }
  const head = html.slice(0, begin + beginMarker.length);
  const tail = html.slice(end);
  return `${head}\n${content}\n  ${tail}`;
}

// Native macOS apps = the Zyquo suite + Swift open-source apps;
// everything else lands in Web Platforms & Open Source.
const swiftApps = openSourceProjects.filter((p) => p.language === "Swift");
const webProjects = openSourceProjects.filter((p) => p.language !== "Swift");
const macosEntries: (ZyquoApp | OpenSourceProject)[] = [
  ...zyquoApps,
  ...swiftApps,
];

let html = readFileSync(CV_HTML, "utf8");
html = replaceBetween(
  html,
  "<!-- APPS:MACOS:BEGIN — generated by scripts/generate-cv.ts from lib/apps.ts; do not edit by hand -->",
  "<!-- APPS:MACOS:END -->",
  renderSection(macosEntries),
);
html = replaceBetween(
  html,
  "<!-- APPS:IOS:BEGIN — generated by scripts/generate-cv.ts from lib/apps.ts; do not edit by hand -->",
  "<!-- APPS:IOS:END -->",
  renderSection(iosApps),
);
html = replaceBetween(
  html,
  "<!-- APPS:WEB:BEGIN — generated by scripts/generate-cv.ts from lib/apps.ts; do not edit by hand -->",
  "<!-- APPS:WEB:END -->",
  renderSection(webProjects),
);
writeFileSync(CV_HTML, html);
console.log(
  `cv.html updated — ${macosEntries.length} macOS apps, ${iosApps.length} iOS apps, ${webProjects.length} web/OSS projects.`,
);

// Render the PDF with the Playwright-bundled chrome-headless-shell.
const shells = globSync(
  join(
    process.env.HOME ?? "~",
    "Library/Caches/ms-playwright/chromium_headless_shell-*/chrome-headless-shell-mac-arm64/chrome-headless-shell",
  ),
).sort();
const shell = shells[shells.length - 1];
if (!shell) {
  console.error(
    "chrome-headless-shell not found under ~/Library/Caches/ms-playwright — PDF not rendered.",
  );
  process.exit(1);
}

execFileSync(shell, [
  "--headless",
  "--no-pdf-header-footer",
  `--print-to-pdf=${CV_PDF}`,
  "--virtual-time-budget=15000",
  `file://${CV_HTML}`,
]);
console.log(`PDF rendered → ${CV_PDF}`);