#!/usr/bin/env node

const bcrypt = require('bcrypt');
const readline = require('readline');

// Colors for console output
const colors = {
  reset: '\x1b[0m',
  green: '\x1b[32m',
  yellow: '\x1b[33m',
  blue: '\x1b[36m',
  red: '\x1b[31m'
};

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

// Hide password input
rl._writeToOutput = function _writeToOutput(stringToWrite) {
  if (rl.stdoutMuted)
    rl.output.write("*");
  else
    rl.output.write(stringToWrite);
};

console.log(`${colors.blue}=== MinIO WebUI Password Hash Generator ===${colors.reset}\n`);

rl.question('Enter the password you want to hash: ', async (password) => {
  rl.stdoutMuted = true;
  
  if (!password || password.length === 0) {
    console.log(`\n${colors.red}Error: Password cannot be empty${colors.reset}`);
    rl.close();
    process.exit(1);
  }

  try {
    console.log(`\n${colors.yellow}Generating hash...${colors.reset}`);
    
    // Use the same salt rounds as in the application (default is 10)
    const saltRounds = 12;
    const hash = await bcrypt.hash(password, saltRounds);
    
    console.log(`\n${colors.green}✓ Password hash generated successfully!${colors.reset}\n`);
    console.log('Add this to your .env file:');
    console.log(`${colors.yellow}ADMIN_PASSWORD_HASH=${hash}${colors.reset}`);
    
    // Verify the hash works
    const verifyResult = await bcrypt.compare(password, hash);
    if (verifyResult) {
      console.log(`\n${colors.green}✓ Hash verification successful${colors.reset}`);
    } else {
      console.log(`\n${colors.red}✗ Hash verification failed${colors.reset}`);
    }
    
    console.log('\nPassword requirements:');
    console.log('- Minimum 8 characters');
    console.log('- At least one uppercase letter');
    console.log('- At least one lowercase letter');
    console.log('- At least one number');
    console.log('- At least one special character');
    
  } catch (error) {
    console.error(`\n${colors.red}Error generating hash:${colors.reset}`, error.message);
    process.exit(1);
  }
  
  rl.close();
});

rl.on('close', () => {
  console.log(`\n${colors.blue}Done!${colors.reset}`);
  process.exit(0);
});