import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import { createHash } from "node:crypto";
import { test } from "vitest";

import canonicalSource from "../../../src/features/tech-log/contracts/studio/canonical-source.json" with { type: "json" };

const YAML_PATH = "src/features/tech-log/contracts/studio/studio-api.openapi.yaml";

test("vendored contract matches the recorded canonical digest", () => {
  const bytes = readFileSync(YAML_PATH);
  const digest = `sha256:${createHash("sha256").update(bytes).digest("hex")}`;
  assert.equal(digest, canonicalSource.digest);
});

test("canonical source records the pinned revision and version", () => {
  assert.equal(canonicalSource.packageId, "@tech-log/studio-contract");
  assert.equal(canonicalSource.version, "2.0.0");
  // revision은 생성 시점에 기록된다. canonical 저장소는 활발히 편집 중이므로
  // 특정 값을 박아두면 계약이 그대로인데도 테스트가 깨진다. 형식만 고정한다.
  assert.match(canonicalSource.sourceRevision, /^[0-9a-f]{7,64}$/);
  assert.match(canonicalSource.digest, /^sha256:[0-9a-f]{64}$/);
});

test("canonical source lists all 19 operationIds", () => {
  assert.equal(canonicalSource.operationIds.length, 19);
  assert.ok(canonicalSource.operationIds.includes("uploadStudioAsset"));
  assert.ok(canonicalSource.operationIds.includes("getStudioSession"));
});

test("vendored contract declares the CSRF header", () => {
  const yaml = readFileSync(YAML_PATH, "utf8");
  assert.ok(yaml.includes("X-CSRF-TOKEN"));
});