// apps/hq/test/e2e.test.ts
import { describe, it, expect, beforeAll, afterAll } from 'vitest'
import express from 'express'
import { openDb } from '../src/db'
import { seedIfEmpty } from '../src/seed'
import { createStaff } from '../src/auth'
import { apiRouter } from '../src/api'

const db = openDb(':memory:')
const app = express(); app.use(express.json()); app.locals['db'] = db; app.use('/api', apiRouter(db))
let server: ReturnType<typeof app.listen>
let base = ''
beforeAll(async () => {
  await seedIfEmpty(db)
  await createStaff(db, { email: 'e2e@test.in', displayName: 'E2E', role: 'owner', password: 'e2e-password' })
  server = app.listen(0)
  base = `http://localhost:${(server.address() as { port: number }).port}/api`
})
let token = ''
const call = async (method: string, path: string, body?: unknown) => {
  const res = await fetch(base + path, { method,
    headers: { 'content-type': 'application/json', authorization: `Bearer ${token}` },
    ...(body ? { body: JSON.stringify(body) } : {}) })
  return { status: res.status, json: await res.json() as any }
}

describe('hq end to end', () => {
  afterAll(() => server.close())
  it('walks quotation → invoice → payment → paid', async () => {
    token = (await call('POST', '/auth/login', { email: 'e2e@test.in', password: 'e2e-password' })).json.token
    const client = (await call('POST', '/clients', { name: 'Flow Mart', stateCode: '32' })).json.client
    const mod = (await call('POST', '/modules', { code: 'POS', name: 'POS Billing' })).json.module
    await call('POST', `/modules/${mod.id}/prices`, { kind: 'yearly', pricePaise: 10_000_00, effectiveFrom: '2026-04-01' })
    const qt = (await call('POST', '/documents', { docType: 'QUOTATION', clientId: client.id,
      lines: [{ moduleId: mod.id, qty: 1, kind: 'yearly' }] })).json.document
    await call('POST', `/documents/${qt.id}/issue`)
    const inv = (await call('POST', `/documents/${qt.id}/convert`, { to: 'INVOICE' })).json.document
    await call('POST', `/documents/${inv.id}/issue`)
    await call('POST', '/payments', { clientId: client.id, receivedOn: '2026-07-10', mode: 'bank', amountPaise: 11_800_00 })
    const after = (await call('GET', `/documents/${inv.id}`)).json.document
    expect(after.status).toBe('paid')
    const ledger = (await call('GET', `/clients/${client.id}/ledger`)).json
    expect(ledger.advancePaise).toBe(0)
  })
})