import type { MongoClient } from 'mongodb'
import { connectToDatabase, fetchLatestPatch } from '../../utils/mongo'

async function championInfos(client: MongoClient, patch: string, championAlias: string) {
  const database = client.db('champions')
  const collection = database.collection(patch)
  const query = { alias: championAlias }
  const championInfo = (await collection.findOne(query)) as unknown as ChampionData
  return championInfo
}

export default defineEventHandler(async event => {
  const championAlias = (getRouterParam(event, 'alias') as string).toLowerCase()
  const client = await connectToDatabase()
  const latestPatch = await fetchLatestPatch(client)
  const data = await championInfos(client, latestPatch, championAlias)
  await client.close()
  return data
})