import { readFile, access } from "node:fs/promises";

const requiredFiles = [
  "docs/MASTERPLAN.md",
  "docs/STANDARDS.md",
  "docs/AUTOMATIONS.md",
  "docs/UPSTREAM-CAPABILITY-MATRIX.md",
  "docs/spec/DIGITAL-TWIN-SPEC.md",
  "packages/types/src/index.ts",
];

for (const path of requiredFiles) {
  await access(path).catch(() => {
    throw new Error(`Missing canonical C0PY artifact: ${path}`);
  });
}

const types = await readFile("packages/types/src/index.ts", "utf8");
const requiredContracts = [
  "CapabilityDisposition",
  "EvidenceConfidence",
  "EvidenceRecord",
  "CaptureProfile",
  "ProductWorkflow",
  "FidelityVector",
  "ReconstructionSpec",
];

for (const contract of requiredContracts) {
  if (!types.includes(` ${contract}`)) {
    throw new Error(`Missing canonical contract: ${contract}`);
  }
}

const masterplan = await readFile("docs/MASTERPLAN.md", "utf8");
for (const disposition of [
  "CORE",
  "DEPENDENCY",
  "CHERRY_PICK",
  "ADAPTER",
  "REIMPLEMENT",
  "REFERENCE_ONLY",
  "DROP",
]) {
  if (!masterplan.includes(`\`${disposition}\``)) {
    throw new Error(`Masterplan is missing capability disposition: ${disposition}`);
  }
}

console.log("C0PY canonical architecture policy: OK");