'use strict';

function validateIdentity(identity) {
  const label = typeof identity === 'string' ? identity.trim() : '';
  if (!label) {
    throw new TypeError('Module requires a non-empty identity.');
  }
  return label;
}

const quantumShield = () => ({
  lattice: 'kyber-1024',
  redundancy: 'triple-checkpoint',
  syncInterval: '15m',
});

const governanceEnvelope = (identity) => ({
  steward: identity,
  cadence: 'regen-cycle',
  councils: ['mission', 'community', 'ops'],
});

const twinDiagnostics = (identity) => ({
  subject: identity,
  fidelity: '99.7%',
  analytics: ['behavioral-loop', 'ethics-trace'],
});

const privacyControls = () => ({
  budget: 'adaptive',
  telemetry: 'consent-gated',
  observers: ['alignment-auditor'],
});

const quantumLayer = {
  enable() {
    return {
      module: 'quantum-layer',
      status: 'online',
      frontierTag: 'frontier-tech',
      capabilities: ['post-quantum-shielding', 'entropy-handoff'],
      configuration: quantumShield(),
    };
  },
};

const regenStewardship = {
  deploy(identity) {
    const label = validateIdentity(identity);
    return {
      module: 'regenerative-stewardship',
      status: 'deployed',
      frontierTag: 'frontier-tech',
      capabilities: ['governance-loop', 'community-affirmation'],
      charter: governanceEnvelope(label),
    };
  },
};

const digitalTwin = {
  simulateWith(identity) {
    const label = validateIdentity(identity);
    return {
      module: 'digital-twin',
      status: 'synchronized',
      frontierTag: 'frontier-tech',
      capabilities: ['scenario-mirroring', 'adaptive-feedback'],
      diagnostics: twinDiagnostics(label),
    };
  },
};

const privacyBudget = {
  optimize() {
    return {
      module: 'privacy-budget',
      status: 'optimized',
      frontierTag: 'frontier-tech',
      capabilities: ['signal-throttling', 'differential-budgeting'],
      safeguards: privacyControls(),
    };
  },
};

module.exports = {
  quantumLayer,
  regenStewardship,
  digitalTwin,
  privacyBudget,
};
