const mongoose = require('mongoose');
const Coupon = require('../models/Coupon');
require('dotenv').config();

const sampleCoupons = [
    {
        code: 'AN6810',
        discountType: 'percentage',
        discountValue: 10,
        minOrderValue: 200,
        maxDiscount: null,
        expiryDate: new Date('2025-12-31'),
        usageLimit: null,
        usedCount: 0,
        isActive: true
    },
    {
        code: 'AN6815',
        discountType: 'percentage',
        discountValue: 15,
        minOrderValue: 300,
        maxDiscount: null,
        expiryDate: new Date('2025-12-31'),
        usageLimit: null,
        usedCount: 0,
        isActive: true
    },
    {
        code: 'AN6820',
        discountType: 'percentage',
        discountValue: 20,
        minOrderValue: 400,
        maxDiscount: 100,
        expiryDate: new Date('2025-12-31'),
        usageLimit: 100,
        usedCount: 0,
        isActive: true
    },
    {
        code: 'WELCOME10',
        discountType: 'fixed',
        discountValue: 10,
        minOrderValue: 50,
        maxDiscount: null,
        expiryDate: new Date('2025-12-31'),
        usageLimit: null,
        usedCount: 0,
        isActive: true
    },
    {
        code: 'FREESHIP',
        discountType: 'fixed',
        discountValue: 30,
        minOrderValue: 150,
        maxDiscount: null,
        expiryDate: new Date('2025-12-31'),
        usageLimit: null,
        usedCount: 0,
        isActive: true
    }
];

const seedCoupons = async () => {
    try {
        // Connect to MongoDB
        await mongoose.connect(process.env.MONGODB_URI, {
            useNewUrlParser: true,
            useUnifiedTopology: true
        });
        console.log('✅ MongoDB Connected');

        // Clear existing coupons (optional - comment out if you want to keep existing)
        await Coupon.deleteMany({});
        console.log('🗑️  Cleared existing coupons');

        // Insert sample coupons
        const createdCoupons = await Coupon.insertMany(sampleCoupons);
        console.log(`✅ Created ${createdCoupons.length} sample coupons:`);

        createdCoupons.forEach(coupon => {
            console.log(`   - ${coupon.code}: ${coupon.discountValue}${coupon.discountType === 'percentage' ? '%' : '$'} off (Min order: $${coupon.minOrderValue})`);
        });

        console.log('\n🎉 Coupon seeding completed successfully!');
        process.exit(0);
    } catch (error) {
        console.error('❌ Error seeding coupons:', error);
        process.exit(1);
    }
};

seedCoupons();