server.min.js

import Fs from"fs";import Https from"https";import path from"path";import{fileURLToPath}from"url";import express from"express";import Country from"./static/js/Country.js";import{CronJob}from"cron";const app=express();import axios from"axios";import dotenv from"dotenv";import admin from"firebase-admin";import{initializeApp}from"firebase-admin/app";import{getDatabase}from"firebase-admin/database";const port=process.env.PORT||8e3;const __filename=fileURLToPath(import.meta.url);const __dirname=path.dirname(__filename);dotenv.config();const firebaseapp=initializeApp({credential:admin.credential.cert({projectId:process.env.FIREBASE_PROJECT_ID,clientEmail:process.env.FIREBASE_CLIENT_EMAIL,privateKey:process.env.FIREBASE_PRIVATE_KEY.replace(/\\n/g,"\n")}),databaseURL:`https://${process.env.FIREBASE_PROJECT_ID}-default-rtdb.europe-west1.firebasedatabase.app`});const database=getDatabase(firebaseapp);let noUseCountries=["UMI"];let currencyTypes=["dollar","lev","yuan","riel","gourde","vatu","colón","won","convertible mark","Euro","somoni","leu","franc","CFA franc","CFP franc","dobra","kip","lek","lira","pound","rial","riyal","naira","peso","escudo","yen","krone","koruna","króna","krona","ruble","guilder","kwacha","manat","tögrög","tālā","ngultrum","rupee","rupiah","taka","guaraní","pataca","nakfa","afghani","bolívar soberano","leone","kyat","dinar","shilling","ariary","lempira","balboa","florin","denar","kwanza","new shekel","soʻm","lari","rufiyaa","som","sol","dirham","dirham","kina","dram","forint","hryvnia","pula","paʻanga","baht","quetzal","córdoba","lilangeni","rand","dalasi","birr","real","złoty","boliviano","cedi","metical","tenge","ringgit","đồng","loti","ouguiya"];let countries=[];let countryToGuess=null;let job=null;SetAllCountries();async function UpdateCurrentCountry(newCountryCode){try{const data={CURRENT_COUNTRY:newCountryCode};await axios({method:"patch",url:`https://api.heroku.com/apps/country-guessr/config-vars`,headers:{Authorization:`Bearer ${process.env.HEROKU_API_KEY}`,Accept:"application/vnd.heroku+json; version=3","Content-Type":"application/json"},data:data})}catch(error){console.error("Erreur lors de la mise à jour de la variable d'environnement sur Heroku :",error);throw error}}async function UpdateDayCount(newDayCount){try{const data={DAY_COUNT:newDayCount};await axios({method:"patch",url:`https://api.heroku.com/apps/country-guessr/config-vars`,headers:{Authorization:`Bearer ${process.env.HEROKU_API_KEY}`,Accept:"application/vnd.heroku+json; version=3","Content-Type":"application/json"},data:data})}catch(error){console.error("Erreur lors de la mise à jour de la variable d'environnement sur Heroku :",error);throw error}}function getCurrency(currency,currencyCode){let bestMatch="";let currencyTypesCount=currencyTypes.length;for(let i=0;i<currencyTypesCount;i++){if(currency.toLowerCase().includes(currencyTypes[i].toLowerCase())&&currencyTypes[i].length>bestMatch.length){bestMatch=currencyTypes[i]}}currency=currency.replace(bestMatch,"");let currencyDescription=currency.split(" ").filter(c=>c).join(" ");return[bestMatch,currencyCode]}function currencyToString(currency){if(currency[0]===null){return currency[1]}let returnString=`${currency[0].charAt(0).toUpperCase()+currency[0].slice(1)}`;if(currency[1]===""){return returnString}else{return`${returnString} (${currency[1]})`}}function hasSameCurrency(currency1,currency2){return currency1[0]===currency2[0]}function SelectCountry(desiredCode=null){if(desiredCode===null){return countries[Math.floor(Math.random()*countries.length)]}else{return countries.find(country=>country.code===desiredCode)}}function getWikiLink(countryName){let nameWithUnderscore=countryName.split(" ").join("_");return`https://fr.wikipedia.org/wiki/${nameWithUnderscore}`}function GetRandomCountryCode(){return countries[Math.floor(Math.random()*countries.length)].code}function WaitForAllCountriesData(){return new Promise(async(resolve,reject)=>{try{const jsonData=Fs.readFileSync("all_countries_data.json","utf8");const parsedData=JSON.parse(jsonData);resolve(parsedData)}catch(error){reject(new Error("Erreur lors de la lecture du fichier JSON local : "+error.message))}})}function SetAllCountries(){WaitForAllCountriesData().then(data=>{const countryCount=data.length;for(let i=0;i<countryCount;i++){let countryData=data[i];let code=countryData.cca3;if(noUseCountries.includes(code)){continue}let name=countryData.translations.fra.common;let continents=countryData.continents;let language=Object.keys(countryData.languages).length!==0?Object.values(countryData.languages):["No language"];let populationCount=countryData.population;let currency=Object.keys(countryData.currencies).length!==0?Object.values(countryData.currencies)[0].name:null;let currencyCode=Object.keys(countryData.currencies)[0];let bordersCount=countryData.borders.length;let area=countryData.area;let latlng=countryData.latlng;let maps=countryData.maps.googleMaps;let borders=countryData.borders;let capital=countryData.capital;let wikiLink=getWikiLink(name);let flagAlt=countryData.flags.alt;let currencyType;if(!currency){currencyType=[null,"No currency"]}else{currencyType=getCurrency(currency,currencyCode)}let country=new Country(code,name,continents,language,populationCount,currencyType,bordersCount,area,latlng,maps,borders,capital,wikiLink,flagAlt);countries.push(country)}countries.sort((c1,c2)=>c1.name.localeCompare(c2.name));job=new CronJob("00 00 * * *",function(){if(process.env.NODE_ENV==="debug"){return}UpdateCurrentCountry(GetRandomCountryCode()).then(()=>{countryToGuess=SelectCountry(process.env.CURRENT_COUNTRY);UpdateDayCount(parseInt(process.env.DAY_COUNT)+1).then(()=>{addHistoryGame(process.env.DAY_COUNT,countryToGuess.code)})});console.log(`reset country : ${countryToGuess.name}`)},null,true,"Europe/Paris");countryToGuess=SelectCountry(process.env.CURRENT_COUNTRY);console.log(countryToGuess.name)})}function GetNearestCountry(country){let nearestCountry=null;let minDistance=Infinity;for(let i=0;i<countries.length;i++){let otherCountry=countries[i];if(otherCountry.code===country.code){continue}let distance=getDistance(country.latlng[0],country.latlng[1],otherCountry.latlng[0],otherCountry.latlng[1]);if(distance<minDistance){minDistance=distance;nearestCountry=otherCountry}}return nearestCountry}function GetCountryData(countryCode){for(let i=0;i<countries.length;i++){if(countries[i].code===countryCode){return countries[i]}}return null}function ComputeRatio(tryValue,valueToGuess){if(tryValue===valueToGuess){return 1}if(valueToGuess<=4){if(valueToGuess===0){if(tryValue>4){return 0}else{return Math.abs(tryValue-4)/4}}else{return 1-Math.abs(tryValue-valueToGuess)/4}}else{if(tryValue>=valueToGuess*2||tryValue<=0){return 0}else{return 1-Math.abs(tryValue-valueToGuess)/valueToGuess}}}function getDistance(lat1,lon1,lat2,lon2){const earthRadius=6371e3;const radLat1=Math.PI*lat1/180;const radLon1=Math.PI*lon1/180;const radLat2=Math.PI*lat2/180;const radLon2=Math.PI*lon2/180;const dLat=radLat2-radLat1;const dLon=radLon2-radLon1;const a=Math.sin(dLat/2)*Math.sin(dLat/2)+Math.cos(radLat1)*Math.cos(radLat2)*Math.sin(dLon/2)*Math.sin(dLon/2);const c=2*Math.atan2(Math.sqrt(a),Math.sqrt(1-a));return Math.round(earthRadius*c/1e3)}function getProximityPercent(distance){let halfEarthCircumference=20037;return(1-distance/halfEarthCircumference).toFixed(2)}function GetLanguagesInCommon(languages1,languages2){return languages1.filter(element=>languages2.includes(element))}function GetContinentsInCommon(continents1,continents2){return continents1.filter(element=>continents2.includes(element))}function CreateCountryData(country,requiredCountry=null){let countryToCompare=requiredCountry?GetCountryData(requiredCountry):countryToGuess;let populationCompare=country.populationCount>countryToCompare.populationCount?"-":country.populationCount<countryToCompare.populationCount?"+":"=";let borderCompare=country.borderCount>countryToCompare.borderCount?"-":country.borderCount<countryToCompare.borderCount?"+":"=";let areaCompare=country.area>countryToCompare.area?"-":country.area<countryToCompare.area?"+":"=";let distance=getDistance(country.latlng[0],country.latlng[1],countryToCompare.latlng[0],countryToCompare.latlng[1]);let languagesInCommon=GetLanguagesInCommon(country.language,countryToCompare.language);let languagesToDisplay=languagesInCommon.length>0?languagesInCommon.slice(0,3).join(",\n"):country.language.slice(0,3).join(",\n");let continentsInCommon=GetContinentsInCommon(country.continent,countryToCompare.continent);let continentsToDisplay=continentsInCommon.length>0?continentsInCommon.join(", \n"):country.continent.join(", \n");return{isAnswer:country.code===countryToCompare.code,name:country.name,code:country.code,maps:country.maps,wikiLink:country.wikiLink,flagAlt:country.flagAlt,continent:{value:continentsToDisplay,isEqual:continentsInCommon.length>0},language:{value:languagesToDisplay,isEqual:languagesInCommon.length>0},populationCount:{value:country.populationCount,ratio:ComputeRatio(country.populationCount,countryToCompare.populationCount),isEqual:populationCompare},currency:{value:currencyToString(country.currency),isEqual:hasSameCurrency(country.currency,countryToCompare.currency)},borderCount:{value:country.borderCount,ratio:ComputeRatio(country.borderCount,countryToCompare.borderCount),isEqual:borderCompare},area:{value:country.area,ratio:ComputeRatio(country.area,countryToCompare.area),isEqual:areaCompare},distance:{value:distance,ratio:getProximityPercent(distance)}}}app.get("/",(req,res)=>{res.sendFile("index.html",{root:__dirname})});app.get("/game",async function(req,res){let gameID=req.query.id;if(!gameID){res.redirect("/");return}try{const requiredCountry=await getCountryByGame(gameID);if(requiredCountry){res.sendFile(`index.html`,{root:__dirname})}else{res.status(400).json({error:"No game available with ID : "+gameID})}}catch(error){console.error("Error fetching country with game",error);res.status(400).json({error:"Error fetching country with game"})}});app.get("/guess",async function(req,res){const validParams=["code","game"];for(const param in req.query){if(!validParams.includes(param)){res.status(400).json({error:"invalid url parameter : "+param});return}}let guessCode=req.query.code;let gameID=req.query.game;let country=GetCountryData(guessCode);if(!country){res.status(404).json({error:"Country not found"});return}let countryData;if(gameID){try{const requiredCountry=await getCountryByGame(gameID);if(requiredCountry){countryData=CreateCountryData(country,requiredCountry);res.json(JSON.stringify(countryData))}else{res.status(400).json({error:"No game available with ID : "+gameID})}}catch(error){console.error("Error fetching country with game",error);res.status(400).json({error:"Error fetching country with game"})}}else{countryData=CreateCountryData(country);res.json(JSON.stringify(countryData))}});app.get("/AllCountriesName",function(req,res){res.header("Content-Type","application/json");let countriesName=countries.map(c=>({name:c.name,code:c.code}));res.json(JSON.stringify(countriesName))});app.get("/countryShape",async function(req,res){res.header("Content-Type","application/json");let gameID=req.query.game;let refCountryCode;if(gameID){try{const requiredCountry=await getCountryByGame(gameID);if(requiredCountry){refCountryCode=requiredCountry}else{res.status(400).json({error:"No game available with ID : "+gameID})}}catch(error){console.error("Error fetching country with game",error);res.status(400).json({error:"Error fetching country with game"})}}else{refCountryCode=countryToGuess.code}const content=`<img src="./static/images/shapes/${refCountryCode}.svg" class="countryShape clueContentNode" alt="shape clue">`;res.json({content:content})});app.get("/randomBorder",async function(req,res){res.header("Content-Type","application/json");let gameID=req.query.game;let refCountry;if(gameID){try{const requiredCountry=await getCountryByGame(gameID);if(requiredCountry){refCountry=GetCountryData(requiredCountry)}else{res.status(400).json({error:"No game available with ID : "+gameID})}}catch(error){console.error("Error fetching country with game",error);res.status(400).json({error:"Error fetching country with game"})}}else{refCountry=countryToGuess}let content;if(refCountry.borderCount===0){let nearestCountryName=GetNearestCountry(refCountry).name;content=`<div class="clueContentNode">Aucun pays frontalier<br>(Le plus proche : ${nearestCountryName})</div>`}else{let randomBorderCode=refCountry.borders[Math.floor(Math.random()*refCountry.borderCount)];let countryName=GetCountryData(randomBorderCode).name;content=`<div class="clueContentNode">${countryName}</div>`}res.json({content:content})});app.get("/capital",async function(req,res){res.header("Content-Type","application/json");let gameID=req.query.game;let refCountry;if(gameID){try{const requiredCountry=await getCountryByGame(gameID);if(requiredCountry){refCountry=GetCountryData(requiredCountry)}else{res.status(400).json({error:"No game available with ID : "+gameID})}}catch(error){console.error("Error fetching country with game",error);res.status(400).json({error:"Error fetching country with game"})}}else{refCountry=countryToGuess}let content;const capital=refCountry.capital;if(capital.length===0){content=`<div class="clueContentNode">Aucune capitale</div>`}else{content=`<div class="clueContentNode">${refCountry.capital.join(",\n")}</div>`}res.json({content:content})});app.get("/dayCount",function(req,res){res.header("Content-Type","application/json");res.json({dayCount:process.env.DAY_COUNT})});app.get("/rules",(req,res)=>{res.sendFile("rules.html",{root:__dirname})});app.get("/welcome",(req,res)=>{res.sendFile("welcome.html",{root:__dirname})});app.get("/history",function(req,res){res.sendFile("history.html",{root:__dirname})});app.get("/gameHistory",function(req,res){waitForHistory().then(games=>{res.json({games:games})}).catch(error=>{res.status(400).json({error:"No history"})})});app.use("/static",express.static("./static/"));app.use((req,res)=>{res.redirect("/")});app.listen(port,()=>{console.log(`Now listening on port ${port}`)});function waitForHistory(){return new Promise(async(resolve,reject)=>{try{const dbRef=database.ref();const snapshot=await dbRef.get();if(snapshot.exists()){const keys=Object.keys(snapshot.val());resolve(keys)}else{console.log("No data available");resolve(null)}}catch(error){console.error(error);reject(new Error("Error reading json file : "+error.message))}})}async function getCountryByGame(gameID){try{const dbRef=database.ref(gameID);const snapshot=await dbRef.get();if(snapshot.exists()){return snapshot.val()}else{return null}}catch(error){console.error("Error with database when fetching country",error);return null}}async function addHistoryGame(gameID,countryCode){try{const dbRef=database.ref(gameID);await dbRef.set(countryCode)}catch(error){console.error("Error with database when adding game id",error)}}function downloadSVG(url,filename){fetch(url).then(response=>{if(!response.ok){throw new Error(`Une erreur s'est produite lors du téléchargement du fichier. 
                Code de statut : ${response.status}`)}return response.arrayBuffer()}).then(buffer=>{Fs.writeFileSync(filename,Buffer.from(buffer));console.log(`Le fichier ${filename} a été téléchargé avec succès.`)}).catch(error=>{console.error(`Une erreur s'est produite lors du téléchargement du fichier : ${error.message}`)})}function updateSVG(filename){if(Fs.existsSync(filename)){const file=Fs.readFileSync(filename,"utf-8");const newColor="#FFFFFF";if(!file.match(/fill="[^"]*"/)){const updatedSVGWithFill=file.replace(/<svg/,`<svg fill="${newColor}"`);Fs.writeFileSync(filename,updatedSVGWithFill);console.log("La propriété fill a été ajoutée avec succès.")}else{const updatedSVG=file.replace(/fill="[^"]*"/g,`fill="${newColor}"`);Fs.writeFileSync(filename,updatedSVG);console.log("La propriété fill a été modifiée avec succès.")}}else{console.log("Le fichier SVG n'existe pas. Aucune modification effectuée.")}}