const { MongoClient }  = require('mongodb')
require('dotenv').config()

const mongoURI = process.env.MONGO_URI

if(!mongoURI){
    console.error('URI Not Loaded !')
    process.exit(1)
}

const client = new MongoClient(mongoURI)

async function connect(){
    try{
        await client.connect()
        console.log("Client connecté")
        return client.db("shopping")
    }
   catch(err){
        console.error("ERREUR DE CONNEXION : ", err)
        return "Connexion failed"
   } 
} 
async function playwithDoc(){
    const db = await connect()
    if(typeof db === 'string'){
        console.error(db)
        process.exit(1)
    }
    const collection = db.collection("Users")
    const insertResult = await collection.insertOne({
        name: "Jérémy"
    })
    console.log("Document inséré : ", insertResult)
    const search = await collection.find({name: 'Jérémy'}).toArray()
    console.log(" Search is : ", search)
    const update = await collection.updateOne({name: 'Jérémy'}, { $set: { age : 32}  })
    console.log("  result update : ", update)
    const newSearch = await collection.find({name: 'Jérémy'}).toArray()
    console.log("  Search updated is : ", newSearch)
    const deleteone = await collection.deleteMany({name: 'Jérémy'})
    console.log("  Delete result is : ", deleteone)
    await client.close()
}
   
(async () => {
    try{
        await playwithDoc()
    } 
    catch (err){
        console.error(err)
    } 
})()