import express from 'express';
import dotenv from 'dotenv'
import stripe from 'stripe';

//load variable
dotenv.config();

//start server
const app = express();

app.use(express.static('public'));
app.use(express.json());


//Home Route
app.get('/', (req, res) => {
    res.sendFile('menu.html', {root: 'public'});
});
//success
app.get('/success', (req, res) => {
    res.sendFile('success.html', {root: 'public'});
});
//unsuccess
app.get('/unsuccess', (req, res) => {
    res.sendFile('unsuccess.html', {root: 'public'});
});
//stripe
let stripeGateway = stripe(process.env.stripe_api);
let DOMAIN = process.env.DOMAIN;

app.post('/stripe-checkout', async (req, res) => {
    const lineItems = req.body.items.map((item) => {
        const unitAmount = parseInt(item.price.replace(/[^0-9.-]+/g, '') * 100);
        console.log('item-price:', item.price);
        console.log('unitAmount:', unitAmount);
        return {
            price_data:{
                currency: 'usd', 
                product_data: {
                    name: item.title,
                    images: [item.productImg]
                },
                unit_amount: unitAmount,
            },
            quantity: item.quantity,
        };
    });
    console.log('lineItems:', lineItems);

//craete checkout
    const session = await stripeGateway.checkout.sessions.create({
        payment_method_types: ['card'],
        mode: 'payment',
        success_url: `${DOMAIN}/success`,
        cancel_url: `${DOMAIN}/unsuccess`,
        line_items: lineItems,
        //asking address in stripe checkout
        billing_address_collection: 'required'
    });   
    res.json(session.url);
});

app.listen(3005, ()=>{
    console.log('listening on port 3005;');
});