// Fails if any raw Tailwind color utility appears outside src/components/ui/.
import { readdirSync, readFileSync } from "node:fs";
import { join, relative } from "node:path";

const root = "src";
const excludeDir = join("src", "components", "ui");
const RAW_COLOR =
  /(?:text|bg|border|ring|fill|stroke|from|to|via|decoration|outline|divide|placeholder)-(?:(?:neutral|gray|slate|zinc|stone|red|orange|amber|yellow|lime|green|emerald|teal|cyan|sky|blue|indigo|violet|purple|fuchsia|pink|rose)-(?:50|100|200|300|400|500|600|700|800|900|950)|white|black)\b/;

function walk(dir) {
  const files = [];
  for (const entry of readdirSync(dir, { withFileTypes: true })) {
    const path = join(dir, entry.name);
    if (entry.isDirectory()) {
      if (path === excludeDir) continue;
      files.push(...walk(path));
    } else if (entry.name.endsWith(".ts") || entry.name.endsWith(".tsx")) {
      files.push(path);
    }
  }
  return files;
}

const files = walk(root);
const offenses = [];
for (const file of files) {
  const lines = readFileSync(file, "utf8").split("\n");
  for (let i = 0; i < lines.length; i++) {
    const match = RAW_COLOR.exec(lines[i]);
    if (match) offenses.push(`${relative(".", file)}:${i + 1}: ${match[0]}`);
  }
}

if (offenses.length > 0) {
  console.error(
    `raw color utilities found outside components/ui/ (${offenses.length}):`,
  );
  for (const offense of offenses) console.error(`  ${offense}`);
  process.exit(1);
}

console.log(`no raw color utilities outside components/ui/ (${files.length} files scanned)`);