const mysql = require('mysql2/promise');
const bcrypt = require('bcryptjs');
require('dotenv').config();

async function setup() {
    try {
        const pool = mysql.createPool({
            host: process.env.DB_HOST,
            user: process.env.DB_USER,
            password: process.env.DB_PASSWORD,
            database: process.env.DB_NAME,
        });

        console.log('Connected to MySQL...');

        // Create admin_users table
        await pool.execute(`
            CREATE TABLE IF NOT EXISTS admin_users (
                id INT AUTO_INCREMENT PRIMARY KEY,
                email VARCHAR(255) NOT NULL UNIQUE,
                password_hash VARCHAR(255) NOT NULL,
                role VARCHAR(50) DEFAULT 'admin',
                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
            )
        `);
        console.log('Verified admin_users table exists.');

        // Create events table
        await pool.execute(`
            CREATE TABLE IF NOT EXISTS events (
                id INT AUTO_INCREMENT PRIMARY KEY,
                year INT NOT NULL,
                eventdate VARCHAR(100),
                eventtitle VARCHAR(255) NOT NULL,
                eventimageurl TEXT,
                eventdescription TEXT,
                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
            )
        `);
        console.log('Verified events table exists.');

        // Create event_images table
        await pool.execute(`
            CREATE TABLE IF NOT EXISTS event_images (
                id INT AUTO_INCREMENT PRIMARY KEY,
                eventid INT,
                imageurl TEXT NOT NULL,
                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
                FOREIGN KEY (eventid) REFERENCES events(id) ON DELETE CASCADE
            )
        `);
        console.log('Verified event_images table exists.');

        // Check if admin user exists
        const [rows] = await pool.execute('SELECT * FROM admin_users WHERE email = ?', ['admin@example.com']);
        
        if (rows.length === 0) {
            const passwordStr = 'adminpassword';
            const hash = await bcrypt.hash(passwordStr, 10);
            
            await pool.execute('INSERT INTO admin_users (email, password_hash, role) VALUES (?, ?, ?)', [
                'admin@example.com', hash, 'admin'
            ]);
            console.log('Default admin user created: admin@example.com / adminpassword');
        } else {
            console.log('Default admin user already exists.');
        }

        console.log('Database setup complete.');
        process.exit(0);
    } catch (err) {
        console.error('Setup failed:', err);
        process.exit(1);
    }
}

setup();