#!/usr/bin/env node
/**
 * Human Approval Gate Tracker - Enforces inst_005
 * Logs when human approval is required/obtained
 */

const fs = require('fs');
const path = require('path');

const APPROVAL_LOG = path.join(__dirname, '../.claude/approval-log.json');

function loadLog() {
  if (!fs.existsSync(APPROVAL_LOG)) {
    return { approvals: [] };
  }
  return JSON.parse(fs.readFileSync(APPROVAL_LOG, 'utf8'));
}

function saveLog(log) {
  fs.writeFileSync(APPROVAL_LOG, JSON.stringify(log, null, 2));
}

function logApproval(type, description) {
  const log = loadLog();
  log.approvals.push({
    timestamp: new Date().toISOString(),
    type,
    description,
    approved: false
  });
  saveLog(log);
  console.log(`✅ Logged approval requirement: ${type}`);
}

function listPending() {
  const log = loadLog();
  const pending = log.approvals.filter(a => !a.approved);
  
  if (pending.length === 0) {
    console.log('✅ No pending approvals\n');
    return;
  }
  
  console.log(`\n⚠️  ${pending.length} pending approval(s):\n`);
  pending.forEach((a, i) => {
    console.log(`${i+1}. ${a.type}: ${a.description}`);
    console.log(`   Requested: ${a.timestamp}\n`);
  });
}

const cmd = process.argv[2];
if (cmd === 'log') {
  logApproval(process.argv[3], process.argv[4]);
} else if (cmd === 'list') {
  listPending();
} else {
  console.log('Usage: track-human-approvals.js log <type> <description>');
  console.log('       track-human-approvals.js list');
}