import { spawnSync } from "node:child_process";
import { cp, mkdir, mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
import { tmpdir } from "node:os";
import path from "node:path";

import { expect, it } from "vitest";

import {
  captureCiCandidateArchive,
  withVerifiedCapturedCandidate,
} from "../../scripts/lib/ci-candidate-archive.ts";
import { verifyArchivedLocalEvidence } from "../../scripts/lib/local-release-evidence.ts";
import {
  RELEASE_CANDIDATE_EVIDENCE_PATHS,
  RELEASE_CANDIDATE_MANIFEST_PATH,
  releaseCandidateManifestSchema,
} from "../../scripts/lib/release-candidate.ts";
import { linkFixtureNodeModules } from "../../scripts/lib/fixture-node-modules.ts";

it(
  "builds a real candidate assessment and passes the default archived verifier from the captured archive",
  async () => {
    const sourceRoot = process.cwd();
    const fixtureRoot = await mkdtemp(path.join(tmpdir(), "security-followup-producer-"));
    try {
      await cp(sourceRoot, fixtureRoot, {
        recursive: true,
        filter: (source) => {
          const relative = path.relative(sourceRoot, source);
          if (!relative) return true;
          const first = relative.split(path.sep)[0];
          return ![
            ".release",
            "artifacts",
            "dist",
            "node_modules",
          ].includes(first ?? "");
        },
      });
      await cp(path.join(sourceRoot, "artifacts"), path.join(fixtureRoot, "artifacts"), {
        recursive: true,
      });
      await rm(path.join(fixtureRoot, "artifacts/release"), {
        recursive: true,
        force: true,
      });
      await linkFixtureNodeModules(fixtureRoot, sourceRoot);
      const git = spawnSync("git", ["show", "-s", "--format=%H%n%ct", "HEAD"], {
        cwd: sourceRoot,
        encoding: "utf8",
      });
      expect(git.status, git.stderr).toBe(0);
      const [revision, sourceDateEpoch] = git.stdout.trim().split(/\r?\n/u);
      const build = spawnSync(
        "corepack",
        ["pnpm", "build:release-candidate"],
        {
          cwd: fixtureRoot,
          encoding: "utf8",
          timeout: 120_000,
          maxBuffer: 32 * 1024 * 1024,
          env: {
            ...process.env,
            CI: "true",
            VITE_BUILD_ID: "security-followup-integration",
            VITE_COMMIT_SHA: revision,
            RELEASE_ID: "security-followup-integration",
            SOURCE_DATE_EPOCH: sourceDateEpoch,
            CI_RUNNER_IMAGE: `fixture@sha256:${"a".repeat(64)}`,
          },
        },
      );
      expect(build.status, `${build.stdout}\n${build.stderr}`).toBe(0);
      const manifest = releaseCandidateManifestSchema.parse(
        JSON.parse(
          await readFile(path.join(fixtureRoot, RELEASE_CANDIDATE_MANIFEST_PATH), "utf8"),
        ) as unknown,
      );
      const archivePath = path.join(fixtureRoot, "candidate.tar.gz");
      const archived = spawnSync(
        "/usr/bin/tar",
        [
          "--sort=name",
          "--mtime=@0",
          "--owner=0",
          "--group=0",
          "--numeric-owner",
          "-czf",
          archivePath,
          "dist",
          ...RELEASE_CANDIDATE_EVIDENCE_PATHS,
          RELEASE_CANDIDATE_MANIFEST_PATH,
        ],
        { cwd: fixtureRoot, encoding: "utf8" },
      );
      expect(archived.status, archived.stderr).toBe(0);
      const archiveBytes = await readFile(archivePath);
      const expectedSha256 = await import("node:crypto").then(({ createHash }) =>
        createHash("sha256").update(archiveBytes).digest("hex"),
      );
      const captured = await captureCiCandidateArchive({ archivePath, expectedSha256 });
      const verified = await withVerifiedCapturedCandidate({
        captured,
        verify: ({ extractionRoot, manifest: extractedManifest }) =>
          verifyArchivedLocalEvidence({
            extractionRoot,
            expectedManifest: extractedManifest,
          }),
      });

      expect(manifest.files).toContainEqual(
        expect.objectContaining({
          path: "artifacts/security/local-evidence-assessment.json",
        }),
      );
      expect(verified).toEqual(
        expect.objectContaining({
          status: "PASS",
          identity: expect.objectContaining({ sourceRevision: revision }),
          failures: [],
        }),
      );

      const outsideRoot = await mkdtemp(path.join(tmpdir(), "security-followup-outside-"));
      try {
        await mkdir(path.join(outsideRoot, "config/security"), { recursive: true });
        await writeFile(
          path.join(outsideRoot, "config/security/dependency-policy.json"),
          '{"contradictoryCheckoutCanary":"FAIL"}\n',
        );
        const outsideVerification = spawnSync(
          process.execPath,
          [
            path.join(sourceRoot, "scripts/verify-archived-local-evidence.ts"),
            "--archive",
            archivePath,
            "--sha256",
            expectedSha256,
          ],
          {
            cwd: outsideRoot,
            encoding: "utf8",
            timeout: 120_000,
            maxBuffer: 32 * 1024 * 1024,
          },
        );
        expect(
          outsideVerification.status,
          `${outsideVerification.stdout}\n${outsideVerification.stderr}`,
        ).toBe(0);
        expect(outsideVerification.stdout).toContain(
          "Archived local evidence verification: PASS",
        );
      } finally {
        await rm(outsideRoot, { recursive: true, force: true });
      }
    } finally {
      await rm(fixtureRoot, { recursive: true, force: true });
    }
  },
  150_000,
);