const fs = require('fs');
let PrankData = JSON.parse(fs.readFileSync("prankdata.txt"));

let nbPrank = 0;
let nbCrepe = 0;
let meanCrepe = 0;
let userPrank = {};

for (var uid in PrankData) {
    if (PrankData[uid].type == "crêpe") {
        if (PrankData[uid].state == "Done") {
            nbPrank ++;
            nbCrepe += parseInt(PrankData[uid].amount)
            if (!userPrank[PrankData[uid].creator]) {
                userPrank[PrankData[uid].creator] = 0;
            }
            userPrank[PrankData[uid].creator] += parseInt(PrankData[uid].amount);
        }
    }
}

meanCrepe = nbCrepe / nbPrank;

console.log("Nombre de mission mission achevé: " + nbPrank)
console.log("Nombre de crêpe servis: " + nbCrepe)
console.log("Nombre moyen de crêpe par demande: " + meanCrepe + "\n")
for (var user in userPrank) {
    console.log(user + " a commandé " + userPrank[user] + " crêpe")
}