import { describe, it, before, after } from 'node:test';
import assert from 'node:assert/strict';
import http from 'node:http';
import { createApp } from '../../src/app.js';
import { useTempStore, seedProTenant, seedFreeTenant } from '../helpers.js';
import { clearMockJobs } from '../../src/clients/veraeClient.js';
import { config } from '../../src/config.js';

describe('encrypted objects + share + pdf receipt', () => {
  let ctx;
  let server;
  let port;
  let ownerKey;
  let otherKey;

  before(async () => {
    config.mockVerae = true;
    config.natsEnabled = false;
    config.mockJobCompleteMs = 40;
    clearMockJobs();
    ctx = useTempStore();
    ownerKey = seedProTenant().apiKey;
    otherKey = seedFreeTenant({ id: 'tenant-other', veraeUsername: 'other', veraePassword: 'otherpass' }).apiKey;
    const app = createApp();
    await new Promise((resolve) => {
      server = app.listen(0, '127.0.0.1', () => {
        port = server.address().port;
        resolve();
      });
    });
  });

  after(async () => {
    await new Promise((r) => server.close(r));
    ctx.cleanup();
  });

  it('stores encrypted blob, hides it from other tenants, shares via token', async () => {
    const created = await call(port, 'POST', '/zapier/v1/objects', ownerKey, {
      filename: 'secret.txt',
      contentBase64: Buffer.from('top-secret').toString('base64'),
      publicMetadata: { title: 'pub' },
      privateMetadata: { ssn: '000' },
    });
    assert.equal(created.status, 201);
    const id = created.body.id;

    const mine = await call(port, 'GET', `/zapier/v1/objects/${id}`, ownerKey);
    assert.equal(mine.status, 200);
    assert.equal(Buffer.from(mine.body.contentBase64, 'base64').toString(), 'top-secret');
    assert.equal(mine.body.privateMetadata.ssn, '000');

    const theirs = await call(port, 'GET', `/zapier/v1/objects/${id}`, otherKey);
    assert.equal(theirs.status, 403);

    const share = await call(port, 'POST', `/zapier/v1/objects/${id}/share`, ownerKey, { label: 'for-other' });
    assert.equal(share.status, 201);
    const redeemed = await call(port, 'GET', `/zapier/v1/shares/${share.body.token}`, otherKey);
    assert.equal(redeemed.status, 200);
    assert.equal(redeemed.body.filename, 'secret.txt');
    assert.ok(redeemed.body.dek);
    assert.equal(redeemed.body.publicMetadata.title, 'pub');
  });

  it('returns a PDF receipt starting with %PDF', async () => {
    const wait = await call(port, 'POST', '/zapier/v1/timestamp/wait', ownerKey, { data: 'pdf-receipt' });
    const jobId = wait.body.id;
    const rec = await raw(port, 'GET', `/zapier/v1/receipts/${jobId}?format=pdf`, ownerKey);
    assert.equal(rec.status, 200);
    assert.match(rec.body.toString('latin1').slice(0, 5), /%PDF-/);
  });
});

function call(port, method, path, apiKey, body) {
  return new Promise((resolve, reject) => {
    const req = http.request(
      {
        hostname: '127.0.0.1',
        port,
        path,
        method,
        headers: { authorization: `Bearer ${apiKey}`, 'content-type': 'application/json' },
      },
      (res) => {
        const chunks = [];
        res.on('data', (c) => chunks.push(c));
        res.on('end', () => {
          const buf = Buffer.concat(chunks);
          let parsed = {};
          try {
            parsed = buf.length ? JSON.parse(buf.toString()) : {};
          } catch {
            parsed = { raw: buf.toString() };
          }
          resolve({ status: res.statusCode, body: parsed });
        });
      },
    );
    req.on('error', reject);
    if (body) req.write(JSON.stringify(body));
    req.end();
  });
}

function raw(port, method, path, apiKey) {
  return new Promise((resolve, reject) => {
    const req = http.request(
      {
        hostname: '127.0.0.1',
        port,
        path,
        method,
        headers: { authorization: `Bearer ${apiKey}` },
      },
      (res) => {
        const chunks = [];
        res.on('data', (c) => chunks.push(c));
        res.on('end', () => resolve({ status: res.statusCode, body: Buffer.concat(chunks) }));
      },
    );
    req.on('error', reject);
    req.end();
  });
}