const { MongoClient } = require('mongodb');
const connectionString = "mongodb://games:oQ5bO7YMfpu99oZMpKs0fjjypybyIMwBHJh7TmK8FYj1J41StnByDp1vxZ0huSXxlYbNLiRtNdvZACDb9cByMQ%3D%3D@games.mongo.cosmos.azure.com:10255/?ssl=true&retrywrites=false&maxIdleTimeMS=120000&appName=@games@";
const client = new MongoClient(connectionString);
const DATABASE_NAME = "games";
const COLLECTION = "games";

module.exports = async function (context, req) {
    try {
        await client.connect();
        const db = client.db(DATABASE_NAME);
        const collection = db.collection(COLLECTION);
        const body = req.body || {};
        const page = body.page || 1;
        const size = body.size || 10;
        const original_price = body["Original Price"];
        const title = body["Title"];
        const developer = body.Developer;

        let query_conditions = {};
        if (original_price) {
            query_conditions["Original Price"] = { $regex: original_price, $options: "i" };
        }
        if (title) {
            query_conditions["Title"] = { $regex: title, $options: "i" };
        }
        if (developer) {
            query_conditions["Developer"] = { $regex: developer, $options: "i" };
        }

        const data = await collection.find(query_conditions).skip((page - 1) * size).limit(size).toArray();
        const total = await collection.countDocuments(query_conditions);

        context.res = {
            status: 200,
            body: { code: 200, total: total, data: data, msg: "SUCCESS", body: query_conditions }
        };
    } catch (e) {
        context.res = {
            status: 500,
            body: { code: 500, msg: e.message }
        };
    } finally {
        if (client) {
            client.close();
        }
    }
};