import { readFile } from "node:fs/promises";
import path from "node:path";
import { fileURLToPath } from "node:url";
import { describe, expect, it } from "vitest";
import {
  parseSha256File,
  parseVerifyModulePackageArguments,
  readModulePackagePlatform,
} from "../src/cli/verify-module-package.js";

const repositoryRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..", "..");
const digest = "ab".repeat(32);

describe("verify-module-package arguments", () => {
  it("takes an archive and, optionally, a digest and an extraction directory", () => {
    expect(parseVerifyModulePackageArguments(["example-0.1.0-any.tar.gz"])).toEqual({
      archivePath: "example-0.1.0-any.tar.gz",
    });
    expect(
      parseVerifyModulePackageArguments([
        "x.tar.gz",
        "--sha256",
        digest.toUpperCase(),
        "--extract-to",
        "/staging/example",
      ]),
    ).toEqual({ archivePath: "x.tar.gz", expectedSha256: digest, extractTo: "/staging/example" });
    expect(
      parseVerifyModulePackageArguments(["x.tar.gz", "--sha256-file", "x.tar.gz.sha256"]),
    ).toEqual({ archivePath: "x.tar.gz", sha256File: "x.tar.gz.sha256" });
  });

  it.each([
    ["no archive", []],
    ["two archives", ["a.tar.gz", "b.tar.gz"]],
    ["an unknown option", ["a.tar.gz", "--force"]],
    ["both digest options", ["a.tar.gz", "--sha256", digest, "--sha256-file", "a.sha256"]],
    ["a malformed digest", ["a.tar.gz", "--sha256", "abc"]],
    ["an option without its value", ["a.tar.gz", "--extract-to"]],
  ])("refuses %s", (_label, argv) => {
    expect(() => parseVerifyModulePackageArguments(argv)).toThrow();
  });
});

describe("verify-module-package digest files", () => {
  it("reads the sha256sum format, ignoring the recorded file name", () => {
    expect(parseSha256File(`${digest}  example-0.1.0-any.tar.gz\n`)).toBe(digest);
    expect(parseSha256File(`${digest.toUpperCase()} *renamed.tar.gz\n`)).toBe(digest);
  });

  it.each([
    "",
    "not-a-digest  x.tar.gz\n",
    `${digest}\n${digest}  second\n`,
  ])("refuses %j", (contents) => {
    expect(() => parseSha256File(contents)).toThrow();
  });
});

describe("verify-module-package platform facts", () => {
  it("reads this platform's versions and its transitional database runtime from the repository", async () => {
    const root = JSON.parse(await readFile(path.join(repositoryRoot, "package.json"), "utf8"));
    const core = JSON.parse(
      await readFile(path.join(repositoryRoot, "core", "package.json"), "utf8"),
    );
    const sdk = JSON.parse(
      await readFile(path.join(repositoryRoot, "packages", "module-sdk", "package.json"), "utf8"),
    );
    await expect(readModulePackagePlatform(repositoryRoot)).resolves.toEqual({
      databaseRuntime: { "drizzle-orm": core.dependencies["drizzle-orm"] },
      moduleSdkVersion: sdk.version,
      platformVersion: root.version,
    });
  });
});