import request from 'supertest';
import { buildApp } from '../src/app';

const KEY = 'key-ada';
const ADMIN = { 'x-admin-key': 'admin-dev-key' };

describe('zappier-edge operational wiring', () => {
  it('GET /health is public', async () => {
    const { app } = buildApp();
    const res = await request(app).get('/health');
    expect(res.status).toBe(200);
    expect(res.body.role).toBe('zappier-edge');
  });

  it('proxies timestamp to middleware when ZAPPIER_UPSTREAM is set', async () => {
    process.env.ZAPPIER_UPSTREAM = 'http://upstream.test';
    const orig = globalThis.fetch;
    globalThis.fetch = jest.fn(async (url: string | URL) => {
      expect(String(url)).toContain('/zapier/v1/timestamp');
      return new Response(JSON.stringify({ jobId: 'mw-1', sha256: 'abc' }), {
        status: 202,
        headers: { 'content-type': 'application/json' },
      });
    }) as typeof fetch;
    try {
      const { app } = buildApp();
      const res = await request(app).post('/v1/timestamp').set('x-api-key', KEY).send({ data: 'hello' });
      expect(res.status).toBe(202);
      expect(res.body.jobId).toBe('mw-1');
      expect(res.body.quote.totalCents).toBeGreaterThanOrEqual(0);
    } finally {
      globalThis.fetch = orig;
      delete process.env.ZAPPIER_UPSTREAM;
    }
  });

  it('customers CS and sales can review a statement', async () => {
    const { app } = buildApp();
    await request(app)
      .post('/admin/api/credits')
      .set(ADMIN)
      .send({ customerId: 'cust_1', cents: 250, reason: 'goodwill', agent: 'cs' });
    const st = await request(app).get('/admin/api/statement/cust_1').set(ADMIN);
    expect(st.status).toBe(200);
    expect(st.body.prepaidCents).toBeGreaterThanOrEqual(250);
    expect(st.body.credits.length).toBeGreaterThan(0);
  });

  it('customer service can add prepaid credits', async () => {
    const { app } = buildApp();
    const add = await request(app)
      .post('/admin/api/credits')
      .set(ADMIN)
      .send({ customerId: 'cust_1', cents: 500, reason: 'goodwill', agent: 'cs-anna' });
    expect(add.status).toBe(201);
    expect(add.body.cents).toBe(500);
    const list = await request(app).get('/admin/api/credits?customerId=cust_1').set(ADMIN);
    expect(list.body.credits[0].reason).toBe('goodwill');
  });

  it('sales quote returns per-customer multiplier', async () => {
    const { app } = buildApp();
    const res = await request(app).get('/admin/api/sales/quote/cust_2').set(ADMIN);
    expect(res.status).toBe(200);
    expect(res.body.tierId).toBe('pro');
  });

  it('exports issued invoices as QuickBooks IIF', async () => {
    const { app, usage } = buildApp();
    usage.record({
      customerId: 'cust_2',
      endpointId: 'transform',
      cents: 400,
      metadataBytes: 0,
      attachmentBytes: 0,
      timestamp: new Date('2026-07-05T10:00:00Z'),
    });
    await request(app).post('/admin/api/invoices/generate').set(ADMIN).send({ period: '2026-07' });
    await request(app).post('/admin/api/invoices/INV-2026-07-0001/issue').set(ADMIN);
    const iif = await request(app).get('/admin/api/exports/quickbooks.iif?period=2026-07').set(ADMIN);
    expect(iif.status).toBe(200);
    expect(iif.text).toContain('TRNS');
    expect(iif.text).toContain('INV-2026-07-0001');
    const csv = await request(app).get('/admin/api/exports/accounting.csv?period=2026-07').set(ADMIN);
    expect(csv.text).toContain('invoice_id');
  });
});