import { mkdir, readFile, stat, writeFile } from "node:fs/promises";

import {
  scanOptionalRecipeSources,
  scanProductionBundle,
  validateRecipeCatalog,
} from "./lib/optional-recipes.mjs";

/** @param {string} name @param {string} fallback */
const argument = (name, fallback) => {
  const index = process.argv.indexOf(name);
  return index === -1 ? fallback : process.argv[index + 1];
};

const catalogPath = argument(
  "--catalog",
  "config/recipes/frontend-capability-recipes.json",
);
const sourceRoot = argument("--source-root", "src");
const distRoot = argument("--dist-root", "dist");
const artifactPath = argument(
  "--artifact",
  "artifacts/quality/optional-recipes.json",
);
const requireDist = process.argv.includes("--require-dist");

const catalog = JSON.parse(await readFile(catalogPath, "utf8"));
const packageDocument = JSON.parse(await readFile("package.json", "utf8"));
const catalogViolations = validateRecipeCatalog(catalog, packageDocument);
const sourceViolations = await scanOptionalRecipeSources(sourceRoot);
const bundlePresent = await stat(`${distRoot}/.vite/manifest.json`)
  .then(() => true)
  .catch(() => false);
const bundleViolations = await scanProductionBundle(distRoot);
const violations = [
  ...catalogViolations.map((ruleId) => ({ ruleId, path: catalogPath })),
  ...sourceViolations,
  ...bundleViolations.map((path) => ({
    ruleId: "UNSELECTED_RECIPE_IN_PRODUCTION_BUNDLE",
    path,
  })),
  ...(requireDist && !bundlePresent
    ? [{ ruleId: "PRODUCTION_BUNDLE_MISSING", path: distRoot }]
    : []),
];
const report = {
  schemaVersion: 1,
  decisionId: "VD-10",
  selectedCapabilities: [],
  recipeCount: Array.isArray(catalog.recipes) ? catalog.recipes.length : 0,
  productionRuntimeDependencies:
    catalog.productionRuntimeDependencies ?? null,
  bundleStatus: bundlePresent
    ? bundleViolations.length === 0
      ? "PASS"
      : "FAIL"
    : "NOT_BUILT",
  violations,
  passed: violations.length === 0,
};
await mkdir("artifacts/quality", { recursive: true });
await writeFile(artifactPath, `${JSON.stringify(report, null, 2)}\n`);

if (violations.length > 0) {
  process.stderr.write(
    `Optional recipe contract failed:\n${violations
      .map((violation) => `${violation.ruleId}: ${violation.path}`)
      .join("\n")}\n`,
  );
  process.exit(1);
}
process.stdout.write(
  `Optional recipes: PASS (${report.recipeCount} recipe-only capabilities, bundle=${report.bundleStatus})\n`,
);