module.exports = function(app, request, MongoClient, bcrypt){

	app.post('/api/inscription', function(req,res){ //page connexion / inscription

		var ip = req.headers['x-forwarded-for'];
		var pseudo = req.body.pseudo;
		var password = req.body.password;			//récupération des champs du formulaire
		var verifPassword = req.body.verifPassword;
		var mail = req.body.mail;
		var recaptcha = req.body.recaptcha;
		var errorInscription = [];	//tableau stock toute les erreur d'inscriptions
		var regEmail = new RegExp('^[0-9A-Za-z._-]+@{1}[0-9A-Za-z.-]{2,}[.]{1}[A-Za-z]{2,5}$'); //reg format email
		var regPseudo = new RegExp('^[a-zA-Z]+[0-9]{0,4}[_-]{0,1}[A-Za-z0-9]+$'); //start par une lettre, puis peut mettre 0 à 4 chiffre puis 1 tirets puis doit finir par chiffres ou lettres/

		MongoClient.connect("mongodb://localhost", function(err,client){
			if(err) throw err;

			var db = client.db('viewmc');

			db.collection('account').find({user:  { $regex: "^"+pseudo+"$", $options: '-i' }}).count(function(err, results){
				if (err) throw err;

				if (pseudo != undefined && password != undefined && verifPassword != undefined && pseudo != '' && password != '' && verifPassword != '' && mail != undefined && mail != '') {

				}else{
					errorInscription.champs = "Veuillez remplir tous les champs !";
				}

				if (results != 0){
					if(errorInscription.champs == undefined){
						errorInscription.pseudoCheck = "Le pseudo est déjà utilisé";	//requete => regarde si pseudo déjà use
					}
				}

				if(pseudo != undefined){
					if(pseudo.length >= 4 && pseudo.length <=30){	 //check taille pseudo

					}else{
						if(errorInscription.champs == undefined){
							errorInscription.pseudoLength = "Votre pseudo doit être compris entre 4 et 30 carcatères !";
						}
					}
				}

				if(regPseudo.test(pseudo)){	//check format pseudo

				}else{
					if(errorInscription.champs == undefined){
						errorInscription.pseudoVerif = "Pseudo invalide !"
					}
				}

				if(password != undefined){
					if(password.length >= 5 && password.length <=255){	 //check taille mdp

					}else{
						if(errorInscription.champs == undefined){
							errorInscription.passwordLength = "Votre mot de passe doit contenir plus de 5 caractères !";
						}
					}
				}

				if(password == verifPassword && password != '' && verifPassword != '' && password !== 'undefined' && verifPassword !== 'undefined'){	 //check saisie mdp si identique

				}else{
					if(errorInscription.champs == undefined){
						errorInscription.passwordConfirm = "Les deux mots de passe entrées ne sont pas identiques.";
					}
				}

				if(regEmail.test(mail)){	//test format email

				}else{
					if(errorInscription.champs == undefined){
						errorInscription.mail = "Le format de l'email n'est pas valide !";
					}
				}

				/**********************************RECAPTCHA******************************************/

				if(recaptcha === undefined || recaptcha === '' || recaptcha === null){
					if(errorInscription.champs == undefined){
						errorInscription.captchaVide = "Captcha non remplis (si vous ne voyez pas le captcha, CTRL + F5)";
					}
				}
				const secretKey = "6LdIuEEUAAAAAGYz77p9ExTlGDFV_lBK7gktAQYY";
				const verificationURL = "https://www.google.com/recaptcha/api/siteverify?secret=" + secretKey + "&response=" + recaptcha;
				request(verificationURL,function(error,response,body) {
					body = JSON.parse(body);
						if(body.success !== undefined && !body.success) {
							errorInscription.errorCaptcha = "Avez-vous bien remplis le captcha :) ?";	 //C'est probablement un bot
						}
				});

				/**********************************RECAPTCHA******************************************/

				var nbr_error = 0;
				for(var msgError in errorInscription){		//compte le nombre d'error
					nbr_error+=1;
				}
				if (nbr_error == 0){

					var start = new Date(); //DATE
					var inscriptionDate =  'Le ' + start.getDate() + '/' + start.getMonth() + parseInt(1) + '/' + start.getFullYear() + ' à ' + start.getHours() + 'h:' + start.getMinutes() + 'm:' + start.getSeconds() + 's';

					bcrypt.hash(password, 10, function(err, hash) {
						if (err) throw err;

						MongoClient.connect("mongodb://localhost", function(err, client){ //connection à la bdd
							if (err) throw err;

							var data = {user: pseudo, password: hash, mail: mail, inscriptionDate: inscriptionDate};
							var db = client.db('viewmc')

							db.collection('account').insert(data, null, function(err,results){
								if (err) throw err;

								req.session.user = pseudo;
								req.session.mail = mail;
								res.json({successInscription: "Bravo, vous êtes maintenant inscrit !", user: req.session.user, mail: req.session.mail, etat: 1});
							});
						});
					});
				}else{

					var inscription = {
										pseudoCheck: errorInscription.pseudoCheck,
										champs: errorInscription.champs,
										mail: errorInscription.mail,
										passwordConfirm: errorInscription.passwordConfirm,
										passwordLength: errorInscription.passwordLength,
										pseudoVerif: errorInscription.pseudoVerif, 						//reponse json client
										pseudoLength: errorInscription.pseudoLength,
										captchaVide: errorInscription.captchaVide,
										errorCaptcha: errorInscription.errorCaptcha,
										etat: 0
									}

					res.json(inscription);
				}
			});
		});
	});
};