#!/usr/bin/env node
/**
 * Script to create an admin user
 * Usage: npm run create-admin
 * or: npx tsx src/scripts/create-admin.ts
 */

import { PrismaClient } from '@prisma/client';
import * as readline from 'readline';
import { hashPassword, validatePasswordStrength } from '../utils/password';

const prisma = new PrismaClient();

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

function question(query: string): Promise<string> {
  return new Promise((resolve) => {
    rl.question(query, resolve);
  });
}

async function createAdmin() {
  try {
    console.log('\n🌿 Basil Recipe Manager - Create Admin User\n');

    // Get email
    const email = await question('Email address: ');
    if (!email || !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
      console.error('❌ Invalid email address');
      process.exit(1);
    }

    // Check if user already exists
    const existingUser = await prisma.user.findUnique({
      where: { email: email.toLowerCase() },
    });

    if (existingUser) {
      console.error('❌ User with this email already exists');

      if (existingUser.role === 'ADMIN') {
        console.log('ℹ️  This user is already an admin');
      } else {
        const upgrade = await question('Would you like to upgrade this user to admin? (yes/no): ');
        if (upgrade.toLowerCase() === 'yes' || upgrade.toLowerCase() === 'y') {
          await prisma.user.update({
            where: { id: existingUser.id },
            data: { role: 'ADMIN' },
          });
          console.log('✅ User upgraded to admin successfully');
        }
      }

      process.exit(0);
    }

    // Get name
    const name = await question('Full name (optional): ');

    // Get password
    const password = await question('Password (min 8 chars, uppercase, lowercase, number): ');

    // Validate password
    const passwordValidation = validatePasswordStrength(password);
    if (!passwordValidation.valid) {
      console.error('❌ Password does not meet requirements:');
      passwordValidation.errors.forEach((error) => {
        console.error(`   - ${error}`);
      });
      process.exit(1);
    }

    // Confirm password
    const passwordConfirm = await question('Confirm password: ');
    if (password !== passwordConfirm) {
      console.error('❌ Passwords do not match');
      process.exit(1);
    }

    // Hash password
    console.log('\n🔐 Hashing password...');
    const passwordHash = await hashPassword(password);

    // Create admin user
    console.log('👤 Creating admin user...');
    const admin = await prisma.user.create({
      data: {
        email: email.toLowerCase(),
        name: name || undefined,
        passwordHash,
        role: 'ADMIN',
        provider: 'local',
        emailVerified: true, // Auto-verify admin users
        emailVerifiedAt: new Date(),
      },
    });

    console.log('\n✅ Admin user created successfully!');
    console.log('\nUser details:');
    console.log(`   ID: ${admin.id}`);
    console.log(`   Email: ${admin.email}`);
    console.log(`   Name: ${admin.name || 'N/A'}`);
    console.log(`   Role: ${admin.role}`);
    console.log(`   Email Verified: ${admin.emailVerified}`);
    console.log(`   Created: ${admin.createdAt.toISOString()}`);
    console.log('\n🔑 You can now log in with this email and password\n');

  } catch (error) {
    console.error('\n❌ Error creating admin user:', error);
    process.exit(1);
  } finally {
    rl.close();
    await prisma.$disconnect();
  }
}

createAdmin();