import { mkdir, mkdtemp, rm, writeFile } from 'node:fs/promises';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { afterEach, describe, expect, it } from 'vitest';
import {
  getMeowaReleaseCredentialPath,
  MEOWA_RELEASE_CREDENTIAL_FILE_NAME,
  readBundledMeowaApiKey,
  readEmbeddedMeowaApiKey,
} from '@electron/services/meowa-game-assets-release-credential';

const tempDirs: string[] = [];

afterEach(async () => {
  await Promise.all(tempDirs.splice(0).map((dir) => rm(dir, { recursive: true, force: true })));
});

describe('Meowa release credential resource', () => {
  it('provides the approved Main-only embedded credential', () => {
    const apiKey = readEmbeddedMeowaApiKey();
    expect(apiKey).toMatch(/^ma_live_/);
    expect(apiKey?.length).toBeLessThanOrEqual(512);
  });

  it('reads a versioned packaged credential from the resources tree', async () => {
    const resourcesPath = await mkdtemp(join(tmpdir(), 'niancode-meowa-release-'));
    tempDirs.push(resourcesPath);
    const file = getMeowaReleaseCredentialPath(resourcesPath);
    await mkdir(join(resourcesPath, 'resources'), { recursive: true });
    await writeFile(file, JSON.stringify({ schemaVersion: 1, apiKey: 'release-secret' }), 'utf8');

    await expect(readBundledMeowaApiKey(resourcesPath)).resolves.toBe('release-secret');
    expect(file.endsWith(MEOWA_RELEASE_CREDENTIAL_FILE_NAME)).toBe(true);
  });

  it('rejects malformed, unversioned, and oversized packaged credentials', async () => {
    const resourcesPath = await mkdtemp(join(tmpdir(), 'niancode-meowa-release-'));
    tempDirs.push(resourcesPath);
    const file = getMeowaReleaseCredentialPath(resourcesPath);
    await mkdir(join(resourcesPath, 'resources'), { recursive: true });

    await writeFile(file, JSON.stringify({ apiKey: 'missing-version' }), 'utf8');
    await expect(readBundledMeowaApiKey(resourcesPath)).resolves.toBeNull();

    await writeFile(file, '{not-json', 'utf8');
    await expect(readBundledMeowaApiKey(resourcesPath)).resolves.toBeNull();

    await writeFile(file, JSON.stringify({ schemaVersion: 1, apiKey: 'x'.repeat(513) }), 'utf8');
    await expect(readBundledMeowaApiKey(resourcesPath)).resolves.toBeNull();
  });
});