import { walk } from "jsr:@std/fs";

const targetDir = "./src";

let hasErrors = false;

async function checkFile(path: string) {
  const content = await Deno.readTextFile(path);
  const lines = content.split('\n');

  lines.forEach((line, index) => {
    // 1. Block banned DOM APIs
    if (line.includes("document.getElementById") ||
        line.includes("document.querySelector") ||
        line.includes("document.createElement")) {
      console.error(`[Arch Lint] ❌ Banned DOM API used in ${path}:${index + 1}`);
      console.error(`    ${line.trim()}`);
      console.error(`    -> Use Datastar reactive attributes or SSE morphs instead.`);
      hasErrors = true;
    }

    // 2. Block unescaped HTML in raw strings (basic heuristic for dangerouslySetInnerHTML)
    if (line.includes("dangerouslySetInnerHTML") && !path.includes("error_fragments.tsx")) {
      console.error(`[Arch Lint] ❌ dangerouslySetInnerHTML used in ${path}:${index + 1}`);
      console.error(`    ${line.trim()}`);
      console.error(`    -> Native JSX HTML escaping should be used unless in explicit core fragments.`);
      hasErrors = true;
    }
  });
}

for await (const entry of walk(targetDir, { exts: [".ts", ".tsx"] })) {
  if (entry.isFile) {
    await checkFile(entry.path);
  }
}

if (hasErrors) {
  Deno.exit(1);
} else {
  console.log("✅ Architecture lint passed.");
}