const redis                 = require("../../../Miscellaneous/redis");
const stripe                = require("../../../Miscellaneous/stripe");

const entries               = require("../../../Data/payment");

function badRequest(res) {
    console.trace("asd")
    res.cork(() => res
    .writeStatus("400")
    .end());
};

module.exports = async (res, req) => {
    const paymentPacketID = req.getQuery("paymentPacketId");
    console.info("payment_intent");
    const cookieHeader = req.getHeader("cookie");
    const cookie = cookieHeader.split("ps=")[1]; 

    res.onAborted(() => console.log("aborted"));

    if (!cookie) return badRequest(res);

    const paymentPacket = entries[paymentPacketID];
    if (!paymentPacketID || !paymentPacket) return badRequest(res);

    const formattedCookie = cookie.split(".")[0].slice(4);
    const cookieInDB = await redis.get(`sess:${formattedCookie}`);

    if (!cookieInDB) return badRequest(res);

    const parsedCookie = JSON.parse(cookieInDB);
    const { accountID } = parsedCookie;

    const existingClientSecret = await redis.get(`o_${accountID}_${paymentPacketID}`);
    let clientSecret = null;

    try {
        const { amount, unit_amount } = paymentPacket;
        if (!existingClientSecret) {
            const paymentIntent = await stripe.paymentIntents.create({
                currency: "EUR",
                amount: unit_amount,
                automatic_payment_methods: {
                    enabled: true
                },
                metadata: {
                    paymentPacketID,
                    playerID: accountID
                }
            });

            clientSecret = paymentIntent.client_secret;
            await redis.set(`o_${accountID}_${paymentPacketID}`, clientSecret);
        } else {
            clientSecret = existingClientSecret;
        };

        const response = JSON.stringify({
            clientSecret,
            amount,
            price: unit_amount
        });

        res.cork(() => {
            res
            .writeStatus("200")
            .end(response);
        });
    } catch (e) {
        console.info(e)
        return badRequest(res);
    };
};