import path from "node:path";
import {
  readTextFileIfSmall,
  relative,
  repositoryRoot,
  walkFiles,
} from "./repository-files.mjs";

const domainRoot = path.join(
  repositoryRoot,
  "app",
  "src",
  "main",
  "java",
  "net",
  "opcapp",
  "flash",
  "domain",
);
const forbiddenImports = [
  /^android\./u,
  /^androidx\./u,
  /^com\.google\.dagger\./u,
  /^dagger\./u,
  /^okhttp3\./u,
  /^retrofit2\./u,
  /^io\.ktor\./u,
  /^androidx\.room\./u,
];

const failures = [];
let kotlinFiles = [];
try {
  kotlinFiles = (await walkFiles(domainRoot)).filter((file) => file.endsWith(".kt"));
} catch {
  failures.push(`domain source directory is missing: ${relative(domainRoot)}`);
}

for (const file of kotlinFiles) {
  const content = await readTextFileIfSmall(file);
  if (content === null) continue;
  for (const [index, line] of content.split(/\r?\n/u).entries()) {
    const match = /^\s*import\s+([^\s]+)/u.exec(line);
    if (!match) continue;
    if (forbiddenImports.some((pattern) => pattern.test(match[1]))) {
      failures.push(`${relative(file)}:${index + 1} forbidden import ${match[1]}`);
    }
  }
}

if (failures.length > 0) {
  console.error("Domain boundary verification failed:");
  for (const failure of failures) console.error(`- ${failure}`);
  process.exitCode = 1;
} else {
  console.log(`Domain boundary verification passed (${kotlinFiles.length} Kotlin files).`);
}