import { mkdir, writeFile } from 'node:fs/promises';
import { request } from 'node:https';
import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';

const baseUrl = (process.env.LISGLOSIPS_BASE_URL || 'https://100.90.90.91').replace(/\/$/, '');
const username = process.env.LISGLOSIPS_AUTH_USERNAME || 'admin';
const password = process.env.LISGLOSIPS_AUTH_PASSWORD;
const lowUsername = process.env.LISGLOSIPS_LOW_AUTH_USERNAME || 'codex.low';
const lowPassword = process.env.LISGLOSIPS_LOW_AUTH_PASSWORD || `${password}!low`;
const timeoutMs = Number(process.env.LISGLOSIPS_DASHBOARD_TIMEOUT_MS || 30000);
const reportDir = resolve(dirname(fileURLToPath(import.meta.url)), '../reports');

const tempUsername = `codex.audit.${Date.now()}`;
const tempPassword = 'SensitivePass-001';
const resetPassword = 'SensitivePass-002';

if (!password) {
  console.error('LISGLOSIPS_AUTH_PASSWORD is required.');
  process.exit(2);
}

function requestApi(path, options = {}) {
  return new Promise((resolveRequest) => {
    const startedAt = Date.now();
    const url = new URL(path, baseUrl);
    const method = options.method || 'GET';
    const body = options.body === undefined ? undefined : JSON.stringify(options.body);
    const headers = {
      Accept: 'application/json',
      'User-Agent': 'lisglosips-remote-dashboard-active-audit/1.0',
      ...(body ? { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(body) } : {}),
      ...(options.accessToken ? { Authorization: `Bearer ${options.accessToken}` } : {}),
    };

    console.log(`REQ ${method} ${path}`);
    let settled = false;
    let req;
    const hardTimer = setTimeout(() => req?.destroy(new Error(`Request exceeded hard timeout after ${timeoutMs}ms`)), timeoutMs);
    const finish = (result) => {
      if (settled) return;
      settled = true;
      clearTimeout(hardTimer);
      console.log(`RES ${method} ${path} ${result.statusCode || 'ERR'} ${result.durationMs}ms`);
      resolveRequest(result);
    };

    req = request(
      url,
      {
        method,
        rejectUnauthorized: process.env.LISGLOSIPS_REJECT_UNAUTHORIZED === '1',
        timeout: timeoutMs,
        headers,
      },
      (res) => {
        const chunks = [];
        res.on('data', (chunk) => chunks.push(chunk));
        res.on('end', () => {
          finish({
            path,
            method,
            ok: true,
            statusCode: res.statusCode || 0,
            durationMs: Date.now() - startedAt,
            contentType: String(res.headers['content-type'] || ''),
            body: Buffer.concat(chunks).toString('utf8'),
          });
        });
      }
    );

    req.setTimeout(timeoutMs, () => req.destroy(new Error(`Request timed out after ${timeoutMs}ms`)));
    req.on('error', (error) => {
      finish({ path, method, ok: false, statusCode: 0, durationMs: Date.now() - startedAt, contentType: '', body: '', error: error.message });
    });
    if (body) req.write(body);
    req.end();
  });
}

function parseJson(result) {
  try {
    return JSON.parse(result.body);
  } catch {
    return null;
  }
}

function decodeCaptcha(imageDataUrl) {
  const encoded = String(imageDataUrl || '').split(',', 2)[1];
  if (!encoded) return '';
  const svg = Buffer.from(encoded, 'base64').toString('utf8');
  return [...svg.matchAll(/<text\b[^>]*>([^<]+)<\/text>/g)].map((match) => match[1]).join('');
}

async function login(loginUsername, loginPassword) {
  const captcha = await requestApi('/api/v2/auth/captcha');
  const captchaBody = parseJson(captcha);
  const result = await requestApi('/api/v2/auth/login', {
    method: 'POST',
    body: { username: loginUsername, password: loginPassword, captchaId: captchaBody?.captchaId, captchaCode: decodeCaptcha(captchaBody?.imageDataUrl) },
  });
  return { result, body: parseJson(result) };
}

function check(name, pass, detail) {
  return { name, pass, detail };
}

function statusCheck(name, result, expectedStatus) {
  return check(name, result.ok && result.statusCode === expectedStatus, result.error || `status=${result.statusCode}, duration=${result.durationMs}ms`);
}

function statusInCheck(name, result, statuses) {
  return check(name, result.ok && statuses.includes(result.statusCode), result.error || `status=${result.statusCode}, expected=${statuses.join('/')}, duration=${result.durationMs}ms`);
}

function reportLine(item) {
  return `| ${item.pass ? 'PASS' : 'FAIL'} | ${item.name} | ${String(item.detail).replace(/\|/g, '\\|')} |`;
}

function decimal6(value) {
  return typeof value === 'string' && /^-?\d+\.\d{6}$/.test(value);
}

function ratio4(value) {
  return typeof value === 'string' && /^\d+\.\d{4}$/.test(value);
}

function isRecord(value) {
  return !!value && typeof value === 'object' && !Array.isArray(value);
}

function auditTextLooksSafe(value) {
  const text = JSON.stringify(value);
  return !text.includes(tempPassword) && !text.includes(resetPassword) && !/passwordHash|sipHa1/i.test(text);
}

function trendBucketsAreContiguous(buckets) {
  if (!Array.isArray(buckets)) return false;
  for (let index = 1; index < buckets.length; index += 1) {
    if (buckets[index - 1].end !== buckets[index].start) {
      return false;
    }
  }
  return true;
}

async function findDashboardRole(accessToken) {
  const roles = await requestApi('/api/v2/roles', { accessToken });
  const body = parseJson(roles);
  const role = Array.isArray(body) ? body.find((item) => Array.isArray(item.permissionIds) && item.permissionIds.includes('dashboard.view')) : null;
  return { roles, role };
}

async function createTempUser(accessToken, roleId) {
  return requestApi('/api/v2/users', {
    method: 'POST',
    accessToken,
    body: {
      username: tempUsername,
      displayName: 'Codex 8.7 审计脱敏临时用户',
      password: tempPassword,
      requirePasswordChange: false,
      roleIds: [roleId],
    },
  });
}

const checks = [];
const cleanup = [];

const adminLogin = await login(username, password);
checks.push(statusCheck('admin can login', adminLogin.result, 200));
checks.push(check('admin login returns access token', typeof adminLogin.body?.accessToken === 'string', `tokenLength=${adminLogin.body?.accessToken?.length || 0}`));
const accessToken = adminLogin.body?.accessToken;

const lowLogin = await login(lowUsername, lowPassword);
checks.push(statusCheck('low-privilege user can login for RBAC checks', lowLogin.result, 200));
const lowToken = lowLogin.body?.accessToken;

const dashboardSummary = await requestApi('/api/v2/dashboard/summary', { accessToken });
const dashboardBody = parseJson(dashboardSummary);
checks.push(statusCheck('dashboard summary can be queried', dashboardSummary, 200));
checks.push(
  check(
    'dashboard summary shape and Shanghai day window are valid',
    isRecord(dashboardBody) &&
      dashboardBody.window?.timezone === 'Asia/Shanghai' &&
      dashboardBody.window?.start?.endsWith('T16:00:00.000Z') &&
      Number.isInteger(dashboardBody.calls?.totalCalls) &&
      Number.isInteger(dashboardBody.calls?.answeredCalls) &&
      Number.isInteger(dashboardBody.calls?.failedCalls) &&
      ratio4(dashboardBody.calls?.answerRate) &&
      decimal6(dashboardBody.money?.customerFee) &&
      decimal6(dashboardBody.money?.vendorCost) &&
      decimal6(dashboardBody.money?.grossProfit) &&
      Number.isInteger(dashboardBody.quality?.pendingReviews),
    JSON.stringify({ window: dashboardBody?.window, calls: dashboardBody?.calls, money: dashboardBody?.money, quality: dashboardBody?.quality })
  )
);

const dashboardTrends = await requestApi('/api/v2/dashboard/trends?hours=2&bucketMinutes=60', { accessToken });
const trendsBody = parseJson(dashboardTrends);
checks.push(statusCheck('dashboard trends can be queried with fixed range', dashboardTrends, 200));
checks.push(
  check(
    'dashboard trends return fixed contiguous buckets',
    Array.isArray(trendsBody?.buckets) &&
      trendsBody.buckets.length === 2 &&
      trendBucketsAreContiguous(trendsBody.buckets) &&
      trendsBody.buckets.every((bucket) => Number.isInteger(bucket.calls?.totalCalls) && decimal6(bucket.money?.customerFee)),
    `bucketCount=${Array.isArray(trendsBody?.buckets) ? trendsBody.buckets.length : 'n/a'}`
  )
);

const invalidTrendBucket = await requestApi('/api/v2/dashboard/trends?hours=2&bucketMinutes=10', { accessToken });
checks.push(statusCheck('invalid dashboard trend bucket is rejected', invalidTrendBucket, 400));
checks.push(check('invalid trend bucket returns DASHBOARD_BUCKET_INVALID', parseJson(invalidTrendBucket)?.code === 'DASHBOARD_BUCKET_INVALID', `code=${parseJson(invalidTrendBucket)?.code}`));

const invalidTrendHours = await requestApi('/api/v2/dashboard/trends?hours=169&bucketMinutes=60', { accessToken });
checks.push(statusCheck('too-large dashboard trend range is rejected', invalidTrendHours, 400));
checks.push(check('too-large trend range returns INTEGER_INVALID', parseJson(invalidTrendHours)?.code === 'INTEGER_INVALID', `code=${parseJson(invalidTrendHours)?.code}`));

const lowDashboard = await requestApi('/api/v2/dashboard/summary', { accessToken: lowToken });
checks.push(statusCheck('low dashboard-only user can query dashboard summary', lowDashboard, 200));

const activeCalls = await requestApi('/api/v2/active-calls', { accessToken });
const activeCallsBody = parseJson(activeCalls);
checks.push(statusCheck('active calls can be listed', activeCalls, 200));
checks.push(
  check(
    'active calls response shape is stable',
    isRecord(activeCallsBody) && activeCallsBody.source === 'opensips-mi' && Number.isInteger(activeCallsBody.total) && Array.isArray(activeCallsBody.items),
    JSON.stringify({ total: activeCallsBody?.total, source: activeCallsBody?.source })
  )
);

const lowActiveCalls = await requestApi('/api/v2/active-calls', { accessToken: lowToken });
checks.push(statusCheck('low dashboard-only user cannot list active calls', lowActiveCalls, 403));

for (const badId of ['../x', ';rm -rf', 'contains space', 'line\nbreak', 'x'.repeat(221)]) {
  const encoded = encodeURIComponent(badId);
  const invalidHangup = await requestApi(`/api/v2/active-calls/${encoded}/hangup`, { method: 'POST', accessToken });
  checks.push(statusCheck(`invalid active call id is rejected (${badId.replace(/\n/g, '\\n').slice(0, 20)})`, invalidHangup, 400));
  checks.push(
    check(
      `invalid active call id returns ACTIVE_CALL_ID_INVALID (${badId.replace(/\n/g, '\\n').slice(0, 20)})`,
      parseJson(invalidHangup)?.code === 'ACTIVE_CALL_ID_INVALID',
      `code=${parseJson(invalidHangup)?.code}`
    )
  );
}

const lowHangup = await requestApi('/api/v2/active-calls/safe-dialog-001/hangup', { method: 'POST', accessToken: lowToken });
checks.push(statusCheck('low dashboard-only user cannot hang up calls', lowHangup, 403));

const auditList = await requestApi('/api/v2/audit-logs?take=10', { accessToken });
const auditListBody = parseJson(auditList);
checks.push(statusCheck('audit logs can be listed', auditList, 200));
checks.push(check('audit list shape is valid', Array.isArray(auditListBody?.items) && Number.isInteger(auditListBody?.total), `count=${auditListBody?.items?.length ?? 'n/a'}, total=${auditListBody?.total ?? 'n/a'}`));

const lowAuditList = await requestApi('/api/v2/audit-logs?take=1', { accessToken: lowToken });
checks.push(statusCheck('low dashboard-only user cannot list audit logs', lowAuditList, 403));

const invalidAuditResult = await requestApi('/api/v2/audit-logs?result=BAD', { accessToken });
checks.push(statusCheck('invalid audit result filter is rejected', invalidAuditResult, 400));
checks.push(check('invalid audit result returns AUDIT_RESULT_INVALID', parseJson(invalidAuditResult)?.code === 'AUDIT_RESULT_INVALID', `code=${parseJson(invalidAuditResult)?.code}`));

const auditSuccessList = await requestApi('/api/v2/audit-logs?result=SUCCESS&take=5', { accessToken });
const auditSuccessBody = parseJson(auditSuccessList);
checks.push(statusCheck('audit logs can be filtered by result', auditSuccessList, 200));
checks.push(check('audit success filter only returns SUCCESS rows', Array.isArray(auditSuccessBody?.items) && auditSuccessBody.items.every((item) => item.result === 'SUCCESS'), `count=${auditSuccessBody?.items?.length ?? 'n/a'}`));

const rolesLookup = await findDashboardRole(accessToken);
checks.push(statusCheck('roles can be listed for temporary audit user setup', rolesLookup.roles, 200));
checks.push(check('dashboard-capable role is available', typeof rolesLookup.role?.id === 'string', `roleId=${rolesLookup.role?.id || 'n/a'}`));

let tempUser = null;
if (rolesLookup.role?.id) {
  const createdUser = await createTempUser(accessToken, rolesLookup.role.id);
  tempUser = parseJson(createdUser);
  checks.push(statusInCheck('temporary user with sensitive password can be created', createdUser, [201]));
  checks.push(check('created temporary user response does not expose password fields', auditTextLooksSafe(tempUser), JSON.stringify({ id: tempUser?.id, username: tempUser?.username })));

  if (tempUser?.id) {
    cleanup.push(() => requestApi(`/api/v2/users/${encodeURIComponent(tempUser.id)}`, { method: 'DELETE', accessToken }));
    const reset = await requestApi(`/api/v2/users/${encodeURIComponent(tempUser.id)}/reset-password`, {
      method: 'POST',
      accessToken,
      body: { password: resetPassword, nested: { refreshToken: 'nested-token-probe' } },
    });
    checks.push(statusCheck('temporary user password reset succeeds', reset, 201));
    checks.push(check('password reset response does not expose sensitive fields', auditTextLooksSafe(parseJson(reset)), JSON.stringify({ id: parseJson(reset)?.id, username: parseJson(reset)?.username })));

    const resetAudit = await requestApi(`/api/v2/audit-logs?module=users&action=reset_password&objectId=${encodeURIComponent(tempUser.id)}&result=SUCCESS&take=5`, { accessToken });
    const resetAuditBody = parseJson(resetAudit);
    const resetAuditItem = Array.isArray(resetAuditBody?.items) ? resetAuditBody.items[0] : null;
    checks.push(statusCheck('password reset audit can be filtered by module/action/object/result', resetAudit, 200));
    checks.push(check('password reset audit row exists', typeof resetAuditItem?.id === 'string', `auditId=${resetAuditItem?.id || 'n/a'}`));

    if (resetAuditItem?.id) {
      const auditDetail = await requestApi(`/api/v2/audit-logs/${encodeURIComponent(resetAuditItem.id)}`, { accessToken });
      const auditDetailBody = parseJson(auditDetail);
      checks.push(statusCheck('password reset audit detail can be fetched', auditDetail, 200));
      checks.push(
        check(
          'password reset audit detail redacts sensitive body fields',
          auditTextLooksSafe(auditDetailBody) && auditDetailBody?.beforeSummary?.body?.password === '[REDACTED]',
          JSON.stringify({ id: auditDetailBody?.id, redactedPassword: auditDetailBody?.beforeSummary?.body?.password })
        )
      );
    }
  }
}

for (const item of cleanup.reverse()) {
  const cleanupResult = await item();
  checks.push(statusInCheck('temporary audit user cleanup is stable', cleanupResult, [200, 404]));
}

const stamp = new Date().toISOString().replaceAll(/[-:]/g, '').replace(/\.\d{3}Z$/, 'Z');
const reportPath = resolve(reportDir, `REMOTE_DASHBOARD_ACTIVE_AUDIT_${stamp}.md`);
const notes = [
  '',
  '## Notes',
  '',
  '- Password and token values are intentionally omitted from console and report details.',
  '- DASH-001 aggregate accuracy and DASH-002 exact Shanghai day-boundary attribution still require SQL comparison against seeded boundary CDRs.',
  '- ACT-001/ACT-002 real long-call normalization and successful hangup require an active OpenSIPS dialog on A; this black-box run verifies list contract, RBAC, and invalid dialog-id safety.',
  '- AUD-002 application log full-text checks require host-side log access; this run verifies API response and audit detail redaction.',
];
const report = [
  '# Remote Dashboard, Active Calls, and Audit Test Report',
  '',
  `Date: ${new Date().toISOString()}`,
  `Base URL: ${baseUrl}`,
  `Username: ${username}`,
  `Low-Privilege Username: ${lowUsername}`,
  '',
  '| Result | Check | Detail |',
  '| --- | --- | --- |',
  ...checks.map(reportLine),
  ...notes,
  '',
].join('\n');

await mkdir(reportDir, { recursive: true });
await writeFile(reportPath, report, 'utf8');

for (const item of checks) {
  console.log(`${item.pass ? 'PASS' : 'FAIL'} ${item.name} - ${item.detail}`);
}
console.log(`Report: ${reportPath}`);

if (checks.some((item) => !item.pass)) {
  process.exitCode = 1;
}