const assert = require("node:assert/strict");
const fs = require("node:fs");
const path = require("node:path");
const test = require("node:test");
const zlib = require("node:zlib");

const samplePath = path.join(__dirname, "..", "..", "docs", "hedge-sample-library.svg");
const sample = fs.readFileSync(samplePath, "utf8");
const runtimePath = path.join(__dirname, "..", "..", "web", "hedges.svg");
const runtime = fs.readFileSync(runtimePath, "utf8");

test("hedge review sheet is local editable SVG with complete stable symbols", () => {
  assert.match(sample, /^<svg xmlns="http:\/\/www\.w3\.org\/2000\/svg"/);
  assert.doesNotMatch(sample, /<(?:script|image|foreignObject)\b/i);
  assert.doesNotMatch(sample, /(?:href="https?:|url\(|data:|@import|<style\b)/i);
  assert.doesNotMatch(sample, /(?:sodipodi:|inkscape:|metadata\b)/i);
  for (const identifier of [
    "leaf-cluster-a", "leaf-cluster-b", "twig-fork", "hedge-base",
    "hedge-intact-1", "hedge-intact-2", "hedge-intact-3", "hedge-intact-4",
    "hedge-intact-5", "hedge-intact-6", "hedge-corner", "hedge-crossing",
    "hedge-end", "hedge-impact-1", "hedge-impact-2", "hedge-impact-3",
    "hedge-impact-4", "hedge-breakthrough", "hedge-breach-1",
    "hedge-breach-2", "hedge-breach-3"
  ]) {
    assert.match(sample, new RegExp(`id="${identifier}"`));
  }
  assert.ok((sample.match(/<use href=/g) || []).length >= 20);
  assert.ok(zlib.gzipSync(sample, {level: 9}).length < sample.length);
});

test("runtime hedge sprite remains local and contains approved runtime symbols", () => {
  assert.match(runtime, /^<svg xmlns="http:\/\/www\.w3\.org\/2000\/svg"/);
  assert.doesNotMatch(runtime, /<(?:script|image|foreignObject|metadata)\b/i);
  assert.doesNotMatch(runtime, /(?:href="https?:|url\(|data:|@import|<style\b)/i);
  for (const identifier of [
    "hedge-intact-1", "hedge-intact-2", "hedge-intact-3", "hedge-intact-4",
    "hedge-intact-5", "hedge-intact-6", "hedge-impact-1", "hedge-impact-2",
    "hedge-impact-3", "hedge-impact-4", "hedge-breakthrough", "hedge-breach-1",
    "hedge-breach-2", "hedge-breach-3"
  ]) {
    assert.match(runtime, new RegExp(`id="${identifier}"`));
    assert.match(sample, new RegExp(`id="${identifier}"`));
  }
  assert.ok(zlib.gzipSync(runtime, {level: 9}).length < 4096);
});

test("permanent hedge breaches leave a 60 percent clear centre", () => {
  for (const identifier of ["hedge-breach-1", "hedge-breach-2", "hedge-breach-3"]) {
    const symbol = runtime.match(new RegExp(`<g id="${identifier}">([\\s\\S]*?)</g>`))[1];
    assert.match(symbol, /fill="#11131a" d="M32 0h96v40H32Z"/);
  }
});