import { MongoClient } from 'mongodb'

async function connectToDatabase() {
    // Create a MongoClient with a MongoClientOptions object to set the Stable API version
    const client = new MongoClient(`mongodb://${process.env.MONGO_USER}:${process.env.MONGO_PASS}@mongo:27017`)
    await client.connect()
    return client
}
async function fetchLatestPatch(client) {
    const database = client.db("patches");
    const patches = database.collection("patches");
    const latestPatch = await patches.find().limit(1).sort({date:-1}).next()
    return latestPatch.patch
}
async function championInfos(client, patch, championId) {
    const database = client.db("champions");
    const collection = database.collection(patch);
    const query = { id:Number(championId) };
    const championInfo = await collection.findOne(query);
    return championInfo
}

export default defineEventHandler(async (event) => {
    const championId = getRouterParam(event, "id")
    const client = await connectToDatabase();
    const latestPatch = await fetchLatestPatch(client);
    const data = await championInfos(client, latestPatch, championId);
    await client.close()
    return data
})