import { tap, expect } from '@git.zone/tstest/tapbundle';
import * as plugins from '../ts/plugins.js';
import { DcRouterDb, IpIntelligenceDoc, SecurityBlockRuleDoc, SecurityPolicyAuditDoc } from '../ts/db/index.js';
import { SecurityPolicyManager } from '../ts/security/index.js';

const createTestDb = async () => {
  const storagePath = plugins.path.join(
    plugins.os.tmpdir(),
    `dcrouter-security-policy-${Date.now()}-${Math.random().toString(16).slice(2)}`,
  );

  DcRouterDb.resetInstance();
  const db = DcRouterDb.getInstance({
    storagePath,
    dbName: `dcrouter-security-policy-${Date.now()}-${Math.random().toString(16).slice(2)}`,
  });
  await db.start();
  await db.getDb().mongoDb.createCollection('__test_init');

  return {
    async cleanup() {
      await db.stop();
      DcRouterDb.resetInstance();
      await plugins.fs.promises.rm(storagePath, { recursive: true, force: true });
    },
  };
};

const testDbPromise = createTestDb();

const clearTestState = async () => {
  for (const rule of await SecurityBlockRuleDoc.findAll()) {
    await rule.delete();
  }
  for (const record of await IpIntelligenceDoc.findAll()) {
    await record.delete();
  }
  for (const event of await SecurityPolicyAuditDoc.findRecent(1000)) {
    await event.delete();
  }
};

tap.test('SecurityPolicyManager compiles start-end CIDR rules for edge firewall snapshots', async () => {
  await testDbPromise;
  await clearTestState();
  const manager = new SecurityPolicyManager();

  await manager.createBlockRule({
    type: 'cidr',
    value: '203.0.113.0 - 203.0.113.255',
    reason: 'test range',
  });

  const policy = await manager.compilePolicy();
  expect(policy.blockedCidrs).toEqual(['203.0.113.0/24']);

  const firewall = await manager.compileRemoteIngressFirewall();
  expect(firewall.blockedIps).toEqual(['203.0.113.0/24']);
});

tap.test('SecurityPolicyManager compiles intelligence network ranges for ASN rules', async () => {
  await testDbPromise;
  await clearTestState();
  const manager = new SecurityPolicyManager();

  const intelligenceDoc = new IpIntelligenceDoc();
  intelligenceDoc.ipAddress = '198.51.100.23';
  intelligenceDoc.asn = 64500;
  intelligenceDoc.asnOrg = 'Example Network';
  intelligenceDoc.networkRange = '198.51.100.0 - 198.51.100.127';
  intelligenceDoc.firstSeenAt = Date.now();
  intelligenceDoc.lastSeenAt = Date.now();
  intelligenceDoc.updatedAt = Date.now();
  intelligenceDoc.seenCount = 1;
  await intelligenceDoc.save();

  await manager.createBlockRule({
    type: 'asn',
    value: 'AS64500',
    reason: 'test asn range',
  });

  const policy = await manager.compilePolicy();
  expect(policy.blockedCidrs).toEqual(['198.51.100.0/25']);
});

tap.test('SecurityPolicyManager compiles intelligence CIDR arrays for ASN rules', async () => {
  await testDbPromise;
  await clearTestState();
  const manager = new SecurityPolicyManager();

  const intelligenceDoc = new IpIntelligenceDoc();
  intelligenceDoc.ipAddress = '198.51.100.130';
  intelligenceDoc.asn = 64501;
  intelligenceDoc.asnOrg = 'Example Split Network';
  intelligenceDoc.networkRange = null;
  intelligenceDoc.networkCidrs = ['198.51.100.128/25', '198.51.101.0/24'];
  intelligenceDoc.firstSeenAt = Date.now();
  intelligenceDoc.lastSeenAt = Date.now();
  intelligenceDoc.updatedAt = Date.now();
  intelligenceDoc.seenCount = 1;
  await intelligenceDoc.save();

  await manager.createBlockRule({
    type: 'asn',
    value: 'AS64501',
    reason: 'test asn cidr array',
  });

  const policy = await manager.compilePolicy();
  expect(policy.blockedCidrs).toEqual(['198.51.100.128/25', '198.51.101.0/24']);
});

tap.test('SecurityPolicyManager returns an explicit empty edge firewall snapshot', async () => {
  await testDbPromise;
  await clearTestState();
  const manager = new SecurityPolicyManager();

  const firewall = await manager.compileRemoteIngressFirewall();
  expect(firewall).toEqual({ blockedIps: [] });
});

tap.test('cleanup security policy test db', async () => {
  const dbHandle = await testDbPromise;
  await clearTestState();
  await dbHandle.cleanup();
});

export default tap.start();