require('dotenv').config();
const fs = require('fs').promises;
const path = require('path');
const connectDB = require('../config/database');
const Footer = require('../models/footer');

async function validateFooterData(data) {
    if (!data || typeof data !== 'object') {
        throw new Error('Footer data must be a valid object');
    }

    const required = ['brand', 'explore', 'contact', 'newsletter', 'bottom'];
    for (const field of required) {
        if (!data[field]) {
            throw new Error(`Missing required field: ${field}`);
        }
    }
}

async function migrateFooterData() {
    try {
        await connectDB();
        console.log('Đã kết nối MongoDB...');

        // Xóa dữ liệu cũ
        await Footer.deleteMany({});
        console.log('Đã xóa dữ liệu Footer cũ');

        // Đọc file JSON
        const footerData = JSON.parse(
            await fs.readFile(
                path.join(__dirname, '../data/footer.json'),
                'utf8'
            )
        );

        // Validate
        await validateFooterData(footerData);

        // Transform
        const finalData = {
            ...footerData,
            updatedAt: new Date(),
        };

        // Insert
        await Footer.create(finalData);

        console.log('✓ Migrate Footer thành công!');
        process.exit(0);

    } catch (error) {
        console.error('❌ Lỗi:', error.message);
        process.exit(1);
    }
}

migrateFooterData();