const db = require('./db');
const crypto = require('crypto');
require('dotenv').config();

const ID = 'admin';
const PASSWORD = 'admin'; // Default password
const NAME = '시스템 관리자';

function hashPassword(password) {
    return crypto.createHash('sha256').update(password).digest('hex');
}

async function createAdmin() {
    console.log(`Creating/Updating admin user...`);
    console.log(`ID: ${ID}`);
    console.log(`Password: ${PASSWORD}`);

    try {
        const hashedPassword = hashPassword(PASSWORD);

        // Check if exists
        const [existing] = await db.query('SELECT * FROM users WHERE id = ?', [ID]);

        if (existing.length > 0) {
            console.log('User exists using UPDATE...');
            await db.query('UPDATE users SET password = ?, name = ?, role = "admin" WHERE id = ?', [hashedPassword, NAME, ID]);
        } else {
            console.log('User does not exist. creating...');
            await db.query(`
                INSERT INTO users (id, password, name, role, department, position)
                VALUES (?, ?, ?, 'admin', 'IT팀', '관리자')
            `, [ID, hashedPassword, NAME]);
        }

        console.log('✅ Admin user setup complete.');
        console.log(`You can now login with ID: '${ID}' and password: '${PASSWORD}'`);
        process.exit(0);

    } catch (error) {
        console.error('❌ Failed to create admin:', error);
        process.exit(1);
    }
}

createAdmin();