const { test, expect } = require('@playwright/test');
require('dotenv').config();
const { BASE_URL, absoluteUrl } = require('../fixtures/url');
const { login } = require('../fixtures/auth');
const { expectNoBackendError, readBody, blockedOrNotFound } = require('../fixtures/v204-helpers');
const { expectBlockedOrSafe } = require('../fixtures/assertions');

async function safeGoto(page, route) {
  const resp = await page.goto(route).catch(() => null);
  await page.waitForLoadState('domcontentloaded').catch(() => {});
  return resp;
}

async function expectRouteAvailable(page, resp) {
  await expectNoBackendError(page);
  if (resp) {
    expect(resp.status(), `Expected route to exist but got ${resp.status()} at ${page.url()}`).not.toBe(404);
    expect(resp.status()).toBeLessThan(500);
  }
}

async function expectNoSecrets(page) {
  const body = await readBody(page);
  expect(body).not.toMatch(/Password@123|Pass@123|smtp_password|IMAP_PASSWORD|SMTP_PASSWORD|otp\s*[:=]\s*\d{4,8}|reset_token|access_token|refresh_token/i);
}

async function expectPublicNoSensitive(page) {
  await expectNoBackendError(page);
  const body = await readBody(page);
  expect(body).not.toMatch(/tenant_id|branch_id|internal note|audit log|smtp|password|secret|token/i);
}

async function apiCall(request, method, route) {
  const url = absoluteUrl(route);
  const opts = { data: { csrf_token: '', test_payload: 'uat-vapt' }, headers: { 'Content-Type': 'application/json' } };
  if (method === 'GET') return await request.get(url).catch(() => null);
  if (method === 'POST') return await request.post(url, opts).catch(() => null);
  if (method === 'PUT') return await request.put(url, opts).catch(() => null);
  if (method === 'DELETE') return await request.delete(url).catch(() => null);
  if (method === 'OPTIONS') return await request.fetch(url, { method: 'OPTIONS' }).catch(() => null);
  return await request.fetch(url, { method }).catch(() => null);
}

async function expectApiSafe(resp) {
  expect(resp, 'API response should be available').toBeTruthy();
  expect(resp.status()).toBeLessThan(500);
  const text = await resp.text().catch(() => '');
  expect(text).not.toMatch(/Traceback|Exception in ASGI application|OperationalError|ProgrammingError|AttributeError|UndefinedError|Password@123|Pass@123/i);
}


const cases = [
  {
    "variantId": "V251-BIZBILL-001",
    "module": "Billing Business Rules",
    "role": "Firm Admin",
    "scenario": "Billing dashboard loads",
    "type": "UAT",
    "route": "/billing",
    "_kind": "page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Firm Admin"
  },
  {
    "variantId": "V251-BIZBILL-002",
    "module": "Billing Business Rules",
    "role": "Firm Admin",
    "scenario": "Invoices list loads",
    "type": "UAT",
    "route": "/billing/invoices",
    "_kind": "page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Firm Admin"
  },
  {
    "variantId": "V251-BIZBILL-003",
    "module": "Billing Business Rules",
    "role": "Firm Admin",
    "scenario": "Invoice create page loads",
    "type": "UAT",
    "route": "/billing/invoices/new",
    "_kind": "page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Firm Admin"
  },
  {
    "variantId": "V251-BIZBILL-004",
    "module": "Billing Business Rules",
    "role": "Firm Admin",
    "scenario": "Payments list loads",
    "type": "UAT",
    "route": "/billing/payments",
    "_kind": "page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Firm Admin"
  },
  {
    "variantId": "V251-BIZBILL-005",
    "module": "Billing Business Rules",
    "role": "Firm Admin",
    "scenario": "Invalid invoice detail safe",
    "type": "VAPT",
    "route": "/billing/invoices/999999",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Firm Admin"
  },
  {
    "variantId": "V251-BIZBILL-006",
    "module": "Billing Business Rules",
    "role": "Client",
    "scenario": "Client cannot access all invoices",
    "type": "VAPT",
    "route": "/billing/invoices",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Client"
  },
  {
    "variantId": "V251-BIZBILL-007",
    "module": "Billing Business Rules",
    "role": "Staff",
    "scenario": "Staff cannot access billing",
    "type": "VAPT",
    "route": "/billing",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Staff"
  },
  {
    "variantId": "V251-BIZBILL-008",
    "module": "Billing Business Rules",
    "role": "Consultant",
    "scenario": "Consultant cannot access billing",
    "type": "VAPT",
    "route": "/billing",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Consultant"
  },
  {
    "variantId": "V251-BIZBILL-009",
    "module": "Billing Business Rules",
    "role": "Client",
    "scenario": "Client own invoice invalid ID safe",
    "type": "VAPT",
    "route": "/client/invoices/999999",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": "Client"
  },
  {
    "variantId": "V251-BIZBILL-010",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice create without line items rejected",
    "type": "VAPT",
    "route": "/billing/invoices",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-011",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice duplicate number invalid POST safe",
    "type": "VAPT",
    "route": "/billing/invoices",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-012",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice invalid GST/tax values rejected",
    "type": "VAPT",
    "route": "/billing/invoices",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-013",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice issue CSRF-less POST rejected",
    "type": "VAPT",
    "route": "/billing/invoices/999999/issue",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-014",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice cancel CSRF-less POST rejected",
    "type": "VAPT",
    "route": "/billing/invoices/999999/cancel",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-015",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Void invoice cannot accept payment",
    "type": "VAPT",
    "route": "/billing/invoices/999999/payments",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-016",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Partial payment invalid ID safe",
    "type": "VAPT",
    "route": "/billing/invoices/999999/payments",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-017",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Overpayment blocked",
    "type": "VAPT",
    "route": "/billing/invoices/999999/payments",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-018",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Payment receipt invalid ID safe",
    "type": "VAPT",
    "route": "/billing/payments/999999/receipt",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-019",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice PDF invalid ID safe",
    "type": "VAPT",
    "route": "/billing/invoices/999999/pdf",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-020",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice print invalid ID safe",
    "type": "VAPT",
    "route": "/billing/invoices/999999/print",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-021",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice internal notes hidden from client route safe",
    "type": "VAPT",
    "route": "/client/invoices/999999",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-022",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Payment delete CSRF-less POST rejected",
    "type": "VAPT",
    "route": "/billing/payments/999999/delete",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-023",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice line update invalid ID rejected",
    "type": "VAPT",
    "route": "/billing/invoices/999999/lines/999999",
    "_kind": "post",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-024",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice export requires authorization",
    "type": "VAPT",
    "route": "/billing/invoices/export",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-025",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Payment export requires authorization",
    "type": "VAPT",
    "route": "/billing/payments/export",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-026",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Cross-client invoice IDOR safe",
    "type": "VAPT",
    "route": "/billing/invoices/999999?client_id=999999",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  },
  {
    "variantId": "V251-BIZBILL-027",
    "module": "Billing Business Rules",
    "role": "Anonymous/Attacker",
    "scenario": "Invoice number sequence endpoint safe",
    "type": "VAPT",
    "route": "/billing/invoices/next-number",
    "_kind": "safe-page",
    "_method": "GET",
    "_file": "billing-business-rules.spec.js",
    "_login_role": null
  }
];

test.describe("v2.5.1 Additions - Billing Business Rules", () => {

  for (const c of cases) {
    test(`[${c.variantId}] ${c.scenario}`, async ({ page, request }) => {
      const role = c._login_role || c.role;
      const kind = c._kind;
      const method = c._method || 'GET';

      if (kind === 'api') {
        const resp = await apiCall(request, method, c.route);
        await expectApiSafe(resp);
        return;
      }

      if (kind === 'post') {
        const resp = await apiCall(request, method || 'POST', c.route);
        await expectApiSafe(resp);
        const safe = [400, 401, 403, 404, 405, 409, 422, 429].includes(resp.status());
        expect(safe, `Unsafe POST status ${resp.status()} for ${c.route}`).toBeTruthy();
        return;
      }

      if (role && role !== 'Public' && !/Anonymous|Attacker|API/.test(role)) {
        await login(page, role);
      }

      const resp = await safeGoto(page, c.route);

      if (kind === 'page') {
        await expectRouteAvailable(page, resp);
        if (/password|secret|token|otp/i.test(c.scenario)) await expectNoSecrets(page);
        return;
      }

      if (kind === 'public') {
        await expectRouteAvailable(page, resp);
        return;
      }

      if (kind === 'public-no-sensitive') {
        await expectPublicNoSensitive(page);
        return;
      }

      if (kind === 'no-secret') {
        await expectRouteAvailable(page, resp);
        await expectNoSecrets(page);
        return;
      }

      await expectNoBackendError(page);
      await expectBlockedOrSafe(page, resp);
    });
  }
});